/*-------------------------------------------------------------------------
SDCCgen51.c - source file for code generation for 8051
-
+
Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
and - Jean-Louis VERN.jlvern@writeme.com (1999)
Bug Fixes - Wojciech Stryjewski wstryj1@tiger.lsu.edu (1999 v2.1.9a)
PIC port - Scott Dattalo scott@dattalo.com (2000)
-
+
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding!
-
+
Notes:
- 000123 mlh Moved aopLiteral to SDCCglue.c to help the split
- Made everything static
+ 000123 mlh Moved aopLiteral to SDCCglue.c to help the split
+ Made everything static
-------------------------------------------------------------------------*/
#include <stdio.h>
#include "SDCCglobl.h"
#include "newalloc.h"
-#if defined(_MSC_VER)
-#define __FUNCTION__ __FILE__
-#endif
-
#ifdef HAVE_SYS_ISA_DEFS_H
#include <sys/isa_defs.h>
#else
+#ifdef HAVE_MACHINE_ENDIAN_H
+#include <machine/endian.h>
+#else
#ifdef HAVE_ENDIAN_H
#include <endian.h>
#else
-#if !defined(__BORLANDC__) && !defined(_MSC_VER)
+#if !defined(__BORLANDC__) && !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__CYGWIN__)
#warning "Cannot determine ENDIANESS of this machine assuming LITTLE_ENDIAN"
#warning "If you running sdcc on an INTEL 80x86 Platform you are okay"
#endif
#endif
#endif
+#endif
#include "common.h"
#include "SDCCpeeph.h"
#include "ralloc.h"
+#include "pcode.h"
#include "gen.h"
-//char *aopLiteral (value *val, int offset);
-char *pic14aopLiteral (value *val, int offset);
-/* this is the down and dirty file with all kinds of
+static int labelOffset=0;
+static int debug_verbose=1;
+static int optimized_for_speed = 0;
+
+/* max_key keeps track of the largest label number used in
+ a function. This is then used to adjust the label offset
+ for the next function.
+*/
+static int max_key=0;
+static int GpsuedoStkPtr=0;
+
+unsigned int pic14aopLiteral (value *val, int offset);
+const char *AopType(short type);
+static iCode *ifxForOp ( operand *op, iCode *ic );
+
+#define BYTEofLONG(l,b) ( (l>> (b<<3)) & 0xff)
+
+/* this is the down and dirty file with all kinds of
kludgy & hacky stuff. This is what it is all about
CODE GENERATION for a specific MCU . some of the
routines may be reusable, will have to see */
static char *one = "#0x01";
static char *spname = "sp";
-char *fReturnpic14[] = {"fsr","dph","b","a" };
+char *fReturnpic14[] = {"FSR","dph","b","a" };
//char *fReturn390[] = {"dpl","dph","dpx", "b","a" };
-static unsigned fReturnSize = 4; /* shared with ralloc.c */
+unsigned fReturnSizePic = 4; /* shared with ralloc.c */
static char **fReturn = fReturnpic14;
static char *accUse[] = {"a","b"};
set *sendSet;
} _G;
+/* Resolved ifx structure. This structure stores information
+ about an iCode ifx that makes it easier to generate code.
+*/
+typedef struct resolvedIfx {
+ symbol *lbl; /* pointer to a label */
+ int condition; /* true or false ifx */
+ int generated; /* set true when the code associated with the ifx
+ * is generated */
+} resolvedIfx;
+
extern int pic14_ptrRegReq ;
extern int pic14_nRegs;
extern FILE *codeOutFile;
static void saverbank (int, iCode *,bool);
-#define RESULTONSTACK(x) \
- (IC_RESULT(x) && IC_RESULT(x)->aop && \
- IC_RESULT(x)->aop->type == AOP_STK )
-
-#define MOVA(x) if (strcmp(x,"a") && strcmp(x,"acc")) emitcode(";XXX mov","a,%s %s,%d",x,__FILE__,__LINE__);
-#define CLRC emitcode(";XXX clr","c %s,%d",__FILE__,__LINE__);
-
-#define BIT_NUMBER(x) (x & 7)
-#define BIT_REGISTER(x) (x>>3)
static lineNode *lineHead = NULL;
static lineNode *lineCurr = NULL;
static unsigned char SRMask[] = {0xFF, 0x7F, 0x3F, 0x1F, 0x0F,
0x07, 0x03, 0x01, 0x00};
-#define LSB 0
-#define MSB16 1
-#define MSB24 2
-#define MSB32 3
-
-
-#define FUNCTION_LABEL_INC 20
-static int labelOffset=0;
-static int debug_verbose=0;
-
-
-/*-----------------------------------------------------------------*/
-/* Macros for emitting instructions */
-/*-----------------------------------------------------------------*/
-#define emitSKPC emitcode("btfss","status,c")
-#define emitSKPNC emitcode("btfsc","status,c")
-#define emitSKPZ emitcode("btfss","status,z")
-#define emitSKPNZ emitcode("btfsc","status,z")
+static pBlock *pb;
/*-----------------------------------------------------------------*/
/* my_powof2(n) - If `n' is an integaer power of 2, then the */
if( (num & (num-1)) == 0) {
int nshifts = -1;
while(num) {
- num>>=1;
- nshifts++;
+ num>>=1;
+ nshifts++;
}
return nshifts;
}
return -1;
}
+void DEBUGpic14_AopType(int line_no, operand *left, operand *right, operand *result)
+{
+
+ DEBUGpic14_emitcode ("; ","line = %d result %s=%s, left %s=%s, right %s=%s, size = %d",
+ line_no,
+ ((result) ? AopType(AOP_TYPE(result)) : "-"),
+ ((result) ? aopGet(AOP(result),0,TRUE,FALSE) : "-"),
+ ((left) ? AopType(AOP_TYPE(left)) : "-"),
+ ((left) ? aopGet(AOP(left),0,TRUE,FALSE) : "-"),
+ ((right) ? AopType(AOP_TYPE(right)) : "-"),
+ ((right) ? aopGet(AOP(right),0,FALSE,FALSE) : "-"),
+ ((result) ? AOP_SIZE(result) : 0));
-/*-----------------------------------------------------------------*/
-/* emitcode - writes the code into a file : for now it is simple */
-/*-----------------------------------------------------------------*/
-static void emitcode (char *inst,char *fmt, ...)
+}
+
+void DEBUGpic14_emitcode (char *inst,char *fmt, ...)
{
va_list ap;
- char lb[MAX_INLINEASM];
+ char lb[INITIAL_INLINEASM];
char *lbp = lb;
- va_start(ap,fmt);
+ if(!debug_verbose)
+ return;
+
+ va_start(ap,fmt);
if (inst && *inst) {
- if (fmt && *fmt)
- sprintf(lb,"%s\t",inst);
- else
- sprintf(lb,"%s",inst);
+ if (fmt && *fmt)
+ sprintf(lb,"%s\t",inst);
+ else
+ sprintf(lb,"%s",inst);
vsprintf(lb+(strlen(lb)),fmt,ap);
} else
vsprintf(lb,fmt,ap);
while (isspace(*lbp)) lbp++;
- if (lbp && *lbp)
+ if (lbp && *lbp)
lineCurr = (lineCurr ?
connectLine(lineCurr,newLineNode(lb)) :
(lineHead = newLineNode(lb)));
lineCurr->isInline = _G.inLine;
lineCurr->isDebug = _G.debugLine;
+
+ addpCode2pBlock(pb,newpCodeCharP(lb));
+
va_end(ap);
}
-static void DEBUGemitcode (char *inst,char *fmt, ...)
+
+static void emitpLabel(int key)
+{
+ addpCode2pBlock(pb,newpCodeLabel(key+100+labelOffset));
+}
+
+void emitpcode(PIC_OPCODE poc, pCodeOp *pcop)
+{
+
+ if(pcop)
+ addpCode2pBlock(pb,newpCode(poc,pcop));
+ else
+ DEBUGpic14_emitcode(";","%s ignoring NULL pcop",__FUNCTION__);
+}
+
+void emitpcodeNULLop(PIC_OPCODE poc)
+{
+
+ addpCode2pBlock(pb,newpCode(poc,NULL));
+
+}
+
+/*-----------------------------------------------------------------*/
+/* pic14_emitcode - writes the code into a file : for now it is simple */
+/*-----------------------------------------------------------------*/
+void pic14_emitcode (char *inst,char *fmt, ...)
{
va_list ap;
- char lb[MAX_INLINEASM];
+ char lb[INITIAL_INLINEASM];
char *lbp = lb;
- if(!debug_verbose)
- return;
-
- va_start(ap,fmt);
+ va_start(ap,fmt);
if (inst && *inst) {
- if (fmt && *fmt)
- sprintf(lb,"%s\t",inst);
- else
- sprintf(lb,"%s",inst);
+ if (fmt && *fmt)
+ sprintf(lb,"%s\t",inst);
+ else
+ sprintf(lb,"%s",inst);
vsprintf(lb+(strlen(lb)),fmt,ap);
} else
vsprintf(lb,fmt,ap);
while (isspace(*lbp)) lbp++;
- if (lbp && *lbp)
+ if (lbp && *lbp)
lineCurr = (lineCurr ?
connectLine(lineCurr,newLineNode(lb)) :
(lineHead = newLineNode(lb)));
lineCurr->isInline = _G.inLine;
lineCurr->isDebug = _G.debugLine;
+
+ if(debug_verbose)
+ addpCode2pBlock(pb,newpCodeCharP(lb));
+
va_end(ap);
}
/* first check if r0 & r1 are used by this
instruction, in which case we are in trouble */
if ((r0iu = bitVectBitValue(ic->rUsed,R0_IDX)) &&
- (r1iu = bitVectBitValue(ic->rUsed,R1_IDX)))
+ (r1iu = bitVectBitValue(ic->rUsed,R1_IDX)))
{
- goto endOfWorld;
+ goto endOfWorld;
}
r0ou = bitVectBitValue(ic->rMask,R0_IDX);
if (!r0iu && !r0ou) {
ic->rUsed = bitVectSetBit(ic->rUsed,R0_IDX);
(*aopp)->type = AOP_R0;
-
+
return (*aopp)->aopu.aop_ptr = pic14_regWithIdx(R0_IDX);
}
(*aopp)->type = AOP_R1;
return (*aopp)->aopu.aop_ptr = pic14_regWithIdx(R1_IDX);
- }
+ }
/* now we know they both have usage */
/* if r0 not used in this instruction */
if (!r0iu) {
/* push it if not already pushed */
if (!_G.r0Pushed) {
- emitcode ("push","%s",
+ pic14_emitcode ("push","%s",
pic14_regWithIdx(R0_IDX)->dname);
_G.r0Pushed++ ;
}
-
+
ic->rUsed = bitVectSetBit(ic->rUsed,R0_IDX);
(*aopp)->type = AOP_R0;
if (!r1iu) {
/* push it if not already pushed */
if (!_G.r1Pushed) {
- emitcode ("push","%s",
+ pic14_emitcode ("push","%s",
pic14_regWithIdx(R1_IDX)->dname);
_G.r1Pushed++ ;
}
-
+
ic->rUsed = bitVectSetBit(ic->rUsed,R1_IDX);
(*aopp)->type = AOP_R1;
return pic14_regWithIdx(R1_IDX);
/* I said end of world but not quite end of world yet */
/* if this is a result then we can push it on the stack*/
if (result) {
- (*aopp)->type = AOP_STK;
+ (*aopp)->type = AOP_STK;
return NULL;
}
- piCode(ic,stdout);
/* other wise this is true end of the world */
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
"getFreePtr should never reach here");
/*-----------------------------------------------------------------*/
/* newAsmop - creates a new asmOp */
/*-----------------------------------------------------------------*/
-static asmop *newAsmop (short type)
+asmop *newAsmop (short type)
{
asmop *aop;
{
if (!n)
{
- emitcode(";", "Select standard DPTR");
- emitcode("mov", "dps, #0x00");
+ pic14_emitcode(";", "Select standard DPTR");
+ pic14_emitcode("mov", "dps, #0x00");
}
else
{
- emitcode(";", "Select alternate DPTR");
- emitcode("mov", "dps, #0x01");
+ pic14_emitcode(";", "Select alternate DPTR");
+ pic14_emitcode("mov", "dps, #0x01");
}
}
+/*-----------------------------------------------------------------*/
+/* resolveIfx - converts an iCode ifx into a form more useful for */
+/* generating code */
+/*-----------------------------------------------------------------*/
+static void resolveIfx(resolvedIfx *resIfx, iCode *ifx)
+{
+ if(!resIfx)
+ return;
+
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ resIfx->condition = 1; /* assume that the ifx is true */
+ resIfx->generated = 0; /* indicate that the ifx has not been used */
+
+ if(!ifx) {
+ resIfx->lbl = newiTempLabel(NULL); /* oops, there is no ifx. so create a label */
+ DEBUGpic14_emitcode("; ***","%s %d null ifx creating new label key =%d",
+ __FUNCTION__,__LINE__,resIfx->lbl->key);
+ } else {
+ if(IC_TRUE(ifx)) {
+ resIfx->lbl = IC_TRUE(ifx);
+ } else {
+ resIfx->lbl = IC_FALSE(ifx);
+ resIfx->condition = 0;
+ }
+ if(IC_TRUE(ifx))
+ DEBUGpic14_emitcode("; ***","ifx true is non-null");
+ if(IC_FALSE(ifx))
+ DEBUGpic14_emitcode("; ***","ifx false is non-null");
+ }
+
+ DEBUGpic14_emitcode("; ***","%s lbl->key=%d, (lab offset=%d)",__FUNCTION__,resIfx->lbl->key,labelOffset);
+
+}
/*-----------------------------------------------------------------*/
/* pointerCode - returns the code for a pointer type */
/*-----------------------------------------------------------------*/
asmop *aop;
memmap *space= SPEC_OCLS(sym->etype);
- DEBUGemitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
/* if already has one */
if (sym->aop)
return sym->aop;
/* assign depending on the storage class */
/* if it is on the stack or indirectly addressable */
- /* space we need to assign either r0 or r1 to it */
+ /* space we need to assign either r0 or r1 to it */
if ((sym->onStack && !options.stack10bit) || sym->iaccess) {
sym->aop = aop = newAsmop(0);
aop->aopu.aop_ptr = getFreePtr(ic,&aop,result);
aop->size = getSize(sym->type);
- /* now assign the address of the variable to
+ /* now assign the address of the variable to
the pointer register */
if (aop->type != AOP_STK) {
if (sym->onStack) {
if ( _G.accInUse )
- emitcode("push","acc");
+ pic14_emitcode("push","acc");
- emitcode("mov","a,_bp");
- emitcode("add","a,#0x%02x",
+ pic14_emitcode("mov","a,_bp");
+ pic14_emitcode("add","a,#0x%02x",
((sym->stack < 0) ?
- ((char)(sym->stack - _G.nRegsSaved )) :
- ((char)sym->stack)) & 0xff);
- emitcode("mov","%s,a",
+ ((char)(sym->stack - _G.nRegsSaved )) :
+ ((char)sym->stack)) & 0xff);
+ pic14_emitcode("mov","%s,a",
aop->aopu.aop_ptr->name);
if ( _G.accInUse )
- emitcode("pop","acc");
+ pic14_emitcode("pop","acc");
} else
- emitcode("mov","%s,#%s",
+ pic14_emitcode("mov","%s,#%s",
aop->aopu.aop_ptr->name,
sym->rname);
aop->paged = space->paged;
aop->aopu.aop_stk = sym->stack;
return aop;
}
-
+
if (sym->onStack && options.stack10bit)
{
/* It's on the 10 bit stack, which is located in
* far data space.
*/
-
- //DEBUGemitcode(";","%d",__LINE__);
+
+ //DEBUGpic14_emitcode(";","%d",__LINE__);
if ( _G.accInUse )
- emitcode("push","acc");
+ pic14_emitcode("push","acc");
- emitcode("mov","a,_bp");
- emitcode("add","a,#0x%02x",
+ pic14_emitcode("mov","a,_bp");
+ pic14_emitcode("add","a,#0x%02x",
((sym->stack < 0) ?
((char)(sym->stack - _G.nRegsSaved )) :
((char)sym->stack)) & 0xff);
-
+
genSetDPTR(1);
- emitcode ("mov","dpx1,#0x40");
- emitcode ("mov","dph1,#0x00");
- emitcode ("mov","dpl1, a");
+ pic14_emitcode ("mov","dpx1,#0x40");
+ pic14_emitcode ("mov","dph1,#0x00");
+ pic14_emitcode ("mov","dpl1, a");
genSetDPTR(0);
-
+
if ( _G.accInUse )
- emitcode("pop","acc");
-
+ pic14_emitcode("pop","acc");
+
sym->aop = aop = newAsmop(AOP_DPTR2);
- aop->size = getSize(sym->type);
- return aop;
+ aop->size = getSize(sym->type);
+ return aop;
}
- //DEBUGemitcode(";","%d",__LINE__);
+ //DEBUGpic14_emitcode(";","%d",__LINE__);
/* if in bit space */
if (IN_BITSPACE(space)) {
sym->aop = aop = newAsmop (AOP_CRY);
aop->aopu.aop_dir = sym->rname ;
aop->size = getSize(sym->type);
- DEBUGemitcode(";","%d sym->rname = %s, size = %d",__LINE__,sym->rname,aop->size);
+ //DEBUGpic14_emitcode(";","%d sym->rname = %s, size = %d",__LINE__,sym->rname,aop->size);
return aop;
}
/* if it is in direct space */
sym->aop = aop = newAsmop (AOP_DIR);
aop->aopu.aop_dir = sym->rname ;
aop->size = getSize(sym->type);
- DEBUGemitcode(";","%d sym->rname = %s, size = %d",__LINE__,sym->rname,aop->size);
+ DEBUGpic14_emitcode(";","%d sym->rname = %s, size = %d",__LINE__,sym->rname,aop->size);
return aop;
}
/* special case for a function */
- if (IS_FUNC(sym->type)) {
- sym->aop = aop = newAsmop(AOP_IMMD);
- aop->aopu.aop_immd = Safe_calloc(1,strlen(sym->rname)+1);
+ if (IS_FUNC(sym->type)) {
+ sym->aop = aop = newAsmop(AOP_IMMD);
+ //_ALLOC_ATOMIC(aop->aopu.aop_immd,strlen(sym->rname)+1);
+ aop->aopu.aop_immd = Safe_calloc(1,strlen(sym->rname)+1);
strcpy(aop->aopu.aop_immd,sym->rname);
- aop->size = FPTRSIZE;
+ aop->size = FPTRSIZE;
return aop;
}
/* only remaining is far space */
/* in which case DPTR gets the address */
sym->aop = aop = newAsmop(AOP_DPTR);
- emitcode ("mov","dptr,#%s", sym->rname);
+ pic14_emitcode ("mov","dptr,#%s", sym->rname);
aop->size = getSize(sym->type);
- DEBUGemitcode(";","%d size = %d",__LINE__,aop->size);
+ DEBUGpic14_emitcode(";","%d size = %d",__LINE__,aop->size);
/* if it is in code space */
if (IN_CODESPACE(space))
aop->code = 1;
- return aop;
+ return aop;
}
/*-----------------------------------------------------------------*/
iCode *ic = sym->rematiCode;
asmop *aop = newAsmop(AOP_IMMD);
int val = 0;
- DEBUGemitcode(";","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__);
for (;;) {
- if (ic->op == '+')
- val += operandLitValue(IC_RIGHT(ic));
- else if (ic->op == '-')
- val -= operandLitValue(IC_RIGHT(ic));
- else
- break;
-
- ic = OP_SYMBOL(IC_LEFT(ic))->rematiCode;
+ if (ic->op == '+')
+ val += (int) operandLitValue(IC_RIGHT(ic));
+ else if (ic->op == '-')
+ val -= (int) operandLitValue(IC_RIGHT(ic));
+ else
+ break;
+
+ ic = OP_SYMBOL(IC_LEFT(ic))->rematiCode;
}
if (val)
- sprintf(buffer,"(%s %c 0x%04x)",
- OP_SYMBOL(IC_LEFT(ic))->rname,
- val >= 0 ? '+' : '-',
- abs(val) & 0xffff);
+ sprintf(buffer,"(%s %c 0x%04x)",
+ OP_SYMBOL(IC_LEFT(ic))->rname,
+ val >= 0 ? '+' : '-',
+ abs(val) & 0xffff);
else
- strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname);
+ strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname);
- //DEBUGemitcode(";","%s",buffer);
+ //DEBUGpic14_emitcode(";","%s",buffer);
aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1);
- strcpy(aop->aopu.aop_immd,buffer);
- return aop;
+ strcpy(aop->aopu.aop_immd,buffer);
+ return aop;
}
+int aopIdx (asmop *aop, int offset)
+{
+ if(!aop)
+ return -1;
+
+ if(aop->type != AOP_REG)
+ return -2;
+
+ return aop->aopu.aop_reg[offset]->rIdx;
+
+}
/*-----------------------------------------------------------------*/
/* regsInCommon - two operands have some registers in common */
/*-----------------------------------------------------------------*/
/* if both are itemps & one is spilt
and the other is not then false */
if (IS_ITEMP(op1) && IS_ITEMP(op2) &&
- sym1->isspilt != sym2->isspilt )
- return FALSE ;
+ sym1->isspilt != sym2->isspilt )
+ return FALSE ;
/* if they are the same */
if (sym1 == sym2)
/* if left is a tmp & right is not */
- if (IS_ITEMP(op1) &&
+ if (IS_ITEMP(op1) &&
!IS_ITEMP(op2) &&
sym1->isspilt &&
(sym1->usl.spillLoc == sym2))
return TRUE;
- if (IS_ITEMP(op2) &&
+ if (IS_ITEMP(op2) &&
!IS_ITEMP(op1) &&
sym2->isspilt &&
- sym1->level > 0 &&
+ sym1->level > 0 &&
(sym2->usl.spillLoc == sym1))
return TRUE ;
}
/*-----------------------------------------------------------------*/
-/* sameRegs - two asmops have the same registers */
+/* pic14_sameRegs - two asmops have the same registers */
/*-----------------------------------------------------------------*/
-static bool sameRegs (asmop *aop1, asmop *aop2 )
+bool pic14_sameRegs (asmop *aop1, asmop *aop2 )
{
int i;
/*-----------------------------------------------------------------*/
/* aopOp - allocates an asmop for an operand : */
/*-----------------------------------------------------------------*/
-static void aopOp (operand *op, iCode *ic, bool result)
+void aopOp (operand *op, iCode *ic, bool result)
{
asmop *aop;
symbol *sym;
if (!op)
return ;
- DEBUGemitcode(";","%d",__LINE__);
+ // DEBUGpic14_emitcode(";","%d",__LINE__);
/* if this a literal */
if (IS_OP_LITERAL(op)) {
- DEBUGemitcode(";","%d",__LINE__);
op->aop = aop = newAsmop(AOP_LIT);
aop->aopu.aop_lit = op->operand.valOperand;
aop->size = getSize(operandType(op));
}
/* if already has a asmop then continue */
- if (op->aop)
+ if (op->aop && aop->size == getSize(sym->type))
return ;
/* if the underlying symbol has a aop */
if (IS_SYMOP(op) && OP_SYMBOL(op)->aop) {
- DEBUGemitcode(";","%d",__LINE__);
+ DEBUGpic14_emitcode(";","%d",__LINE__);
op->aop = OP_SYMBOL(op)->aop;
return;
}
/* if this is a true symbol */
- if (IS_TRUE_SYMOP(op)) {
- DEBUGemitcode(";","%d",__LINE__);
- op->aop = aopForSym(ic,OP_SYMBOL(op),result);
- return ;
+ if (IS_TRUE_SYMOP(op)) {
+ //DEBUGpic14_emitcode(";","%d - true symop",__LINE__);
+ op->aop = aopForSym(ic,OP_SYMBOL(op),result);
+ return ;
}
/* this is a temporary : this has
only four choices :
a) register
b) spillocation
- c) rematerialize
- d) conditional
+ c) rematerialize
+ d) conditional
e) can be a return use only */
sym = OP_SYMBOL(op);
/* if the type is a conditional */
if (sym->regType == REG_CND) {
- DEBUGemitcode(";","%d",__LINE__);
aop = op->aop = sym->aop = newAsmop(AOP_CRY);
aop->size = 0;
return;
}
/* if it is spilt then two situations
- a) is rematerialize
+ a) is rematerialize
b) has a spill location */
if (sym->isspilt || sym->nRegs == 0) {
- DEBUGemitcode(";","%d",__LINE__);
+ DEBUGpic14_emitcode(";","%d",__LINE__);
/* rematerialize it NOW */
if (sym->remat) {
sym->aop = op->aop = aop =
aopForRemat (sym);
aop->size = getSize(sym->type);
- DEBUGemitcode(";","%d",__LINE__);
return;
}
- if (sym->accuse) {
- int i;
+ if (sym->accuse) {
+ int i;
aop = op->aop = sym->aop = newAsmop(AOP_ACC);
aop->size = getSize(sym->type);
for ( i = 0 ; i < 2 ; i++ )
aop->aopu.aop_str[i] = accUse[i];
- DEBUGemitcode(";","%d",__LINE__);
- return;
- }
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ return;
+ }
if (sym->ruonly ) {
- int i;
+ unsigned i;
aop = op->aop = sym->aop = newAsmop(AOP_STR);
aop->size = getSize(sym->type);
- for ( i = 0 ; i < fReturnSize ; i++ )
- aop->aopu.aop_str[i] = fReturn[i];
- DEBUGemitcode(";","%d",__LINE__);
+ for ( i = 0 ; i < fReturnSizePic ; i++ )
+ aop->aopu.aop_str[i] = fReturn[i];
+ DEBUGpic14_emitcode(";","%d",__LINE__);
return;
}
/* else spill location */
- DEBUGemitcode(";","%s %d %s",__FUNCTION__,__LINE__,sym->usl.spillLoc->rname);
- sym->aop = op->aop = aop =
+ DEBUGpic14_emitcode(";","%s %d %s",__FUNCTION__,__LINE__,sym->usl.spillLoc->rname);
+ sym->aop = op->aop = aop =
aopForSym(ic,sym->usl.spillLoc,result);
aop->size = getSize(sym->type);
return;
/*-----------------------------------------------------------------*/
/* freeAsmop - free up the asmop given to an operand */
/*----------------------------------------------------------------*/
-static void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop)
-{
+void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop)
+{
asmop *aop ;
if (!op)
aop = aaop;
- else
+ else
aop = op->aop;
if (!aop)
return ;
if (aop->freed)
- goto dealloc;
+ goto dealloc;
aop->freed = 1;
/* depending on the asmop type only three cases need work AOP_RO
, AOP_R1 && AOP_STK */
+#if 0
switch (aop->type) {
case AOP_R0 :
if (_G.r0Pushed ) {
if (pop) {
- emitcode ("pop","ar0");
+ pic14_emitcode ("pop","ar0");
_G.r0Pushed--;
}
}
case AOP_R1 :
if (_G.r1Pushed ) {
if (pop) {
- emitcode ("pop","ar1");
+ pic14_emitcode ("pop","ar1");
_G.r1Pushed--;
}
}
- bitVectUnSetBit(ic->rUsed,R1_IDX);
+ bitVectUnSetBit(ic->rUsed,R1_IDX);
break;
case AOP_STK :
{
- int sz = aop->size;
+ int sz = aop->size;
int stk = aop->aopu.aop_stk + aop->size;
bitVectUnSetBit(ic->rUsed,R0_IDX);
- bitVectUnSetBit(ic->rUsed,R1_IDX);
+ bitVectUnSetBit(ic->rUsed,R1_IDX);
getFreePtr(ic,&aop,FALSE);
-
+
if (options.stack10bit)
{
/* I'm not sure what to do here yet... */
/* #STUB */
- fprintf(stderr,
- "*** Warning: probably generating bad code for "
- "10 bit stack mode.\n");
+ fprintf(stderr,
+ "*** Warning: probably generating bad code for "
+ "10 bit stack mode.\n");
}
-
+
if (stk) {
- emitcode ("mov","a,_bp");
- emitcode ("add","a,#0x%02x",((char)stk) & 0xff);
- emitcode ("mov","%s,a",aop->aopu.aop_ptr->name);
+ pic14_emitcode ("mov","a,_bp");
+ pic14_emitcode ("add","a,#0x%02x",((char)stk) & 0xff);
+ pic14_emitcode ("mov","%s,a",aop->aopu.aop_ptr->name);
} else {
- emitcode ("mov","%s,_bp",aop->aopu.aop_ptr->name);
+ pic14_emitcode ("mov","%s,_bp",aop->aopu.aop_ptr->name);
}
while (sz--) {
- emitcode("pop","acc");
- emitcode("mov","@%s,a",aop->aopu.aop_ptr->name);
+ pic14_emitcode("pop","acc");
+ pic14_emitcode("mov","@%s,a",aop->aopu.aop_ptr->name);
if (!sz) break;
- emitcode("dec","%s",aop->aopu.aop_ptr->name);
+ pic14_emitcode("dec","%s",aop->aopu.aop_ptr->name);
}
op->aop = aop;
freeAsmop(op,NULL,ic,TRUE);
if (_G.r0Pushed) {
- emitcode("pop","ar0");
+ pic14_emitcode("pop","ar0");
_G.r0Pushed--;
}
if (_G.r1Pushed) {
- emitcode("pop","ar1");
+ pic14_emitcode("pop","ar1");
_G.r1Pushed--;
- }
+ }
}
}
+#endif
dealloc:
/* all other cases just dealloc */
if (op ) {
op->aop = NULL;
if (IS_SYMOP(op)) {
- OP_SYMBOL(op)->aop = NULL;
+ OP_SYMBOL(op)->aop = NULL;
/* if the symbol has a spill */
- if (SPIL_LOC(op))
+ if (SPIL_LOC(op))
SPIL_LOC(op)->aop = NULL;
}
}
/*-----------------------------------------------------------------*/
/* aopGet - for fetching value of the aop */
/*-----------------------------------------------------------------*/
-static char *aopGet (asmop *aop, int offset, bool bit16, bool dname)
+char *aopGet (asmop *aop, int offset, bool bit16, bool dname)
{
char *s = buffer ;
char *rs;
- //DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ //DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* offset is greater than
size then zero */
if (offset > (aop->size - 1) &&
/* depending on type */
switch (aop->type) {
-
+
case AOP_R0:
case AOP_R1:
- DEBUGemitcode(";","%d",__LINE__);
- /* if we need to increment it */
- while (offset > aop->coff) {
- emitcode ("inc","%s",aop->aopu.aop_ptr->name);
- aop->coff++;
- }
-
- while (offset < aop->coff) {
- emitcode("dec","%s",aop->aopu.aop_ptr->name);
- aop->coff--;
- }
-
- aop->coff = offset ;
- if (aop->paged) {
- emitcode("movx","a,@%s",aop->aopu.aop_ptr->name);
- return (dname ? "acc" : "a");
- }
- sprintf(s,"@%s",aop->aopu.aop_ptr->name);
- rs = Safe_calloc(1,strlen(s)+1);
- strcpy(rs,s);
- return rs;
-
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ /* if we need to increment it */
+ while (offset > aop->coff) {
+ pic14_emitcode ("inc","%s",aop->aopu.aop_ptr->name);
+ aop->coff++;
+ }
+
+ while (offset < aop->coff) {
+ pic14_emitcode("dec","%s",aop->aopu.aop_ptr->name);
+ aop->coff--;
+ }
+
+ aop->coff = offset ;
+ if (aop->paged) {
+ pic14_emitcode("movx","a,@%s",aop->aopu.aop_ptr->name);
+ return (dname ? "acc" : "a");
+ }
+ sprintf(s,"@%s",aop->aopu.aop_ptr->name);
+ rs = Safe_calloc(1,strlen(s)+1);
+ strcpy(rs,s);
+ return rs;
+
case AOP_DPTR:
case AOP_DPTR2:
- DEBUGemitcode(";","%d",__LINE__);
+ DEBUGpic14_emitcode(";","%d",__LINE__);
if (aop->type == AOP_DPTR2)
{
genSetDPTR(1);
}
-
- while (offset > aop->coff) {
- emitcode ("inc","dptr");
- aop->coff++;
- }
-
- while (offset < aop->coff) {
- emitcode("lcall","__decdptr");
- aop->coff--;
- }
-
- aop->coff = offset;
- if (aop->code) {
- emitcode("clr","a");
- emitcode("movc","a,@a+dptr");
+
+ while (offset > aop->coff) {
+ pic14_emitcode ("inc","dptr");
+ aop->coff++;
+ }
+
+ while (offset < aop->coff) {
+ pic14_emitcode("lcall","__decdptr");
+ aop->coff--;
+ }
+
+ aop->coff = offset;
+ if (aop->code) {
+ pic14_emitcode("clr","a");
+ pic14_emitcode("movc","a,@a+dptr");
}
else {
- emitcode("movx","a,@dptr");
+ pic14_emitcode("movx","a,@dptr");
}
-
+
if (aop->type == AOP_DPTR2)
{
genSetDPTR(0);
}
-
+
return (dname ? "acc" : "a");
-
-
+
+
case AOP_IMMD:
- DEBUGemitcode(";","%d",__LINE__);
- if (bit16)
- sprintf (s,"%s",aop->aopu.aop_immd);
- else
- if (offset)
- sprintf(s,"(%s >> %d)",
- aop->aopu.aop_immd,
- offset*8);
- else
- sprintf(s,"%s",
- aop->aopu.aop_immd);
- rs = Safe_calloc(1,strlen(s)+1);
- strcpy(rs,s);
- return rs;
-
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ if (bit16)
+ sprintf (s,"%s",aop->aopu.aop_immd);
+ else
+ if (offset)
+ sprintf(s,"(%s >> %d)",
+ aop->aopu.aop_immd,
+ offset*8);
+ else
+ sprintf(s,"%s",
+ aop->aopu.aop_immd);
+ rs = Safe_calloc(1,strlen(s)+1);
+ strcpy(rs,s);
+ return rs;
+
case AOP_DIR:
- if (offset)
- sprintf(s,"(%s + %d)",
- aop->aopu.aop_dir,
- offset);
- else
- sprintf(s,"%s",aop->aopu.aop_dir);
- rs = Safe_calloc(1,strlen(s)+1);
- strcpy(rs,s);
- return rs;
-
+ if (offset)
+ sprintf(s,"(%s + %d)",
+ aop->aopu.aop_dir,
+ offset);
+ else
+ sprintf(s,"%s",aop->aopu.aop_dir);
+ rs = Safe_calloc(1,strlen(s)+1);
+ strcpy(rs,s);
+ return rs;
+
case AOP_REG:
- DEBUGemitcode(";","%d",__LINE__);
- if (dname)
- return aop->aopu.aop_reg[offset]->dname;
- else
- return aop->aopu.aop_reg[offset]->name;
-
+ if (dname)
+ return aop->aopu.aop_reg[offset]->dname;
+ else
+ return aop->aopu.aop_reg[offset]->name;
+
case AOP_CRY:
- emitcode(";","%d",__LINE__);
- //emitcode("clr","a");
- //emitcode("mov","c,%s",aop->aopu.aop_dir);
- //emitcode("rlc","a") ;
- //return (dname ? "acc" : "a");
+ //pic14_emitcode(";","%d",__LINE__);
return aop->aopu.aop_dir;
-
+
case AOP_ACC:
- DEBUGemitcode(";Warning -pic port ignoring get(AOP_ACC)","%d",__LINE__);
- //if (!offset && dname)
- // return "acc";
- //return aop->aopu.aop_str[offset];
- return "AOP_accumulator_bug";
+ DEBUGpic14_emitcode(";Warning -pic port ignoring get(AOP_ACC)","%d",__LINE__);
+ return "AOP_accumulator_bug";
case AOP_LIT:
- DEBUGemitcode(";","%d",__LINE__);
- return pic14aopLiteral (aop->aopu.aop_lit,offset);
-
+ sprintf(s,"0x%02x", pic14aopLiteral (aop->aopu.aop_lit,offset));
+ rs = Safe_calloc(1,strlen(s)+1);
+ strcpy(rs,s);
+ return rs;
+
case AOP_STR:
- DEBUGemitcode(";","%d",__LINE__);
- aop->coff = offset ;
- if (strcmp(aop->aopu.aop_str[offset],"a") == 0 &&
- dname)
- return "acc";
-
- return aop->aopu.aop_str[offset];
-
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ aop->coff = offset ;
+ if (strcmp(aop->aopu.aop_str[offset],"a") == 0 &&
+ dname)
+ return "acc";
+
+ return aop->aopu.aop_str[offset];
+
}
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
"aopget got unsupported aop->type");
exit(0);
}
+
/*-----------------------------------------------------------------*/
-/* aopPut - puts a string for a aop */
+/* popGetLabel - create a new pCodeOp of type PO_LABEL */
/*-----------------------------------------------------------------*/
-static void aopPut (asmop *aop, char *s, int offset)
+pCodeOp *popGetLabel(unsigned int key)
{
- char *d = buffer ;
- symbol *lbl ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
-
- if (aop->size && offset > ( aop->size - 1)) {
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut got offset > aop->size");
- exit(0);
- }
+ DEBUGpic14_emitcode ("; ***","%s key=%d, label offset %d",__FUNCTION__,key, labelOffset);
- /* will assign value to value */
- /* depending on where it is ofcourse */
- switch (aop->type) {
- case AOP_DIR:
- if (offset)
- sprintf(d,"(%s + %d)",
- aop->aopu.aop_dir,offset);
- else
- sprintf(d,"%s",aop->aopu.aop_dir);
+ if(key>max_key)
+ max_key = key;
- if (strcmp(d,s)) {
- DEBUGemitcode(";","%d",__LINE__);
- if(strcmp(s,"W"))
- emitcode("movf","%s,w",s);
- emitcode("movwf","%s",d);
- }
- break;
+ return newpCodeOpLabel(key+100+labelOffset);
+}
- case AOP_REG:
- if (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0 &&
- strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){
- /*
- if (*s == '@' ||
- strcmp(s,"r0") == 0 ||
- strcmp(s,"r1") == 0 ||
- strcmp(s,"r2") == 0 ||
- strcmp(s,"r3") == 0 ||
- strcmp(s,"r4") == 0 ||
- strcmp(s,"r5") == 0 ||
- strcmp(s,"r6") == 0 ||
- strcmp(s,"r7") == 0 )
- emitcode("mov","%s,%s ; %d",
- aop->aopu.aop_reg[offset]->dname,s,__LINE__);
- else
- */
+/*-----------------------------------------------------------------*/
+/* popCopyReg - copy a pcode operator */
+/*-----------------------------------------------------------------*/
+pCodeOp *popCopyReg(pCodeOpReg *pc)
+{
+ pCodeOpReg *pcor;
- if(strcmp(s,"W"))
- emitcode("movf","%s,w ; %d",s,__LINE__);
+ pcor = Safe_calloc(1,sizeof(pCodeOpReg) );
+ pcor->pcop.type = pc->pcop.type;
+ if(!(pcor->pcop.name = Safe_strdup(pc->pcop.name)))
+ fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
+ pcor->r = pc->r;
+ pcor->rIdx = pc->rIdx;
- emitcode("movwf","%s",
- aop->aopu.aop_reg[offset]->name);
+ //DEBUGpic14_emitcode ("; ***","%s , copying %s, rIdx=%d",__FUNCTION__,pc->pcop.name,pc->rIdx);
- }
- break;
+ return PCOP(pcor);
+}
- case AOP_DPTR:
- case AOP_DPTR2:
+/*-----------------------------------------------------------------*/
+/* popCopy - copy a pcode operator */
+/*-----------------------------------------------------------------*/
+pCodeOp *popCopyGPR2Bit(pCodeOp *pc, int bitval)
+{
+ pCodeOp *pcop;
- if (aop->type == AOP_DPTR2)
- {
- genSetDPTR(1);
- }
+ pcop = Safe_calloc(1,sizeof(pCodeOpBit) );
+ pcop->type = PO_BIT;
+ if(!(pcop->name = Safe_strdup(pc->name)))
+ fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
+ ((pCodeOpBit *)pcop)->bit = bitval;
- if (aop->code) {
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut writting to code space");
- exit(0);
- }
+ ((pCodeOpBit *)pcop)->inBitSpace = 0; //(pc->type == PO_BIT) ? 1 : 0;
- while (offset > aop->coff) {
- aop->coff++;
- emitcode ("inc","dptr");
- }
+ return pcop;
+}
- while (offset < aop->coff) {
- aop->coff-- ;
- emitcode("lcall","__decdptr");
- }
+/*-----------------------------------------------------------------*/
+/* popGet - asm operator to pcode operator conversion */
+/*-----------------------------------------------------------------*/
+pCodeOp *popGetLit(unsigned int lit)
+{
- aop->coff = offset;
+ return newpCodeOpLit(lit);
+}
- /* if not in accumulater */
- MOVA(s);
- emitcode ("movx","@dptr,a");
+/*-----------------------------------------------------------------*/
+/* popGet - asm operator to pcode operator conversion */
+/*-----------------------------------------------------------------*/
+pCodeOp *popGetWithString(char *str)
+{
+ pCodeOp *pcop;
- if (aop->type == AOP_DPTR2)
- {
- genSetDPTR(0);
- }
- break;
- case AOP_R0:
- case AOP_R1:
- while (offset > aop->coff) {
- aop->coff++;
- emitcode("inc","%s",aop->aopu.aop_ptr->name);
+ if(!str) {
+ fprintf(stderr,"NULL string %s %d\n",__FILE__,__LINE__);
+ exit (1);
}
- while (offset < aop->coff) {
- aop->coff-- ;
- emitcode ("dec","%s",aop->aopu.aop_ptr->name);
- }
- aop->coff = offset;
- if (aop->paged) {
- MOVA(s);
- emitcode("movx","@%s,a",aop->aopu.aop_ptr->name);
+ pcop = newpCodeOp(str,PO_STR);
- } else
- if (*s == '@') {
- MOVA(s);
- emitcode("mov","@%s,a ; %d",aop->aopu.aop_ptr->name,__LINE__);
- } else
- if (strcmp(s,"r0") == 0 ||
- strcmp(s,"r1") == 0 ||
- strcmp(s,"r2") == 0 ||
- strcmp(s,"r3") == 0 ||
- strcmp(s,"r4") == 0 ||
- strcmp(s,"r5") == 0 ||
- strcmp(s,"r6") == 0 ||
- strcmp(s,"r7") == 0 ) {
- char buffer[10];
- sprintf(buffer,"a%s",s);
- emitcode("mov","@%s,%s",
- aop->aopu.aop_ptr->name,buffer);
- } else
- emitcode("mov","@%s,%s",aop->aopu.aop_ptr->name,s);
+ return pcop;
+}
- break;
+pCodeOp *popRegFromString(char *str)
+{
- case AOP_STK:
- if (strcmp(s,"a") == 0)
- emitcode("push","acc");
- else
- emitcode("push","%s",s);
+ pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+ pcop->type = PO_GPR_REGISTER;
- break;
+ PCOR(pcop)->rIdx = -1;
+ PCOR(pcop)->r = NULL;
- case AOP_CRY:
- /* if bit variable */
- if (!aop->aopu.aop_dir) {
- emitcode("clr","a");
- emitcode("rlc","a");
- } else {
- if (s == zero)
- emitcode("clr","%s",aop->aopu.aop_dir);
- else
- if (s == one)
- emitcode("setb","%s",aop->aopu.aop_dir);
- else
- if (!strcmp(s,"c"))
- emitcode("mov","%s,c",aop->aopu.aop_dir);
- else {
- lbl = newiTempLabel(NULL);
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ pcop->name = Safe_strdup( ( (str) ? str : "BAD STRING"));
- if (strcmp(s,"a")) {
- MOVA(s);
- }
- emitcode("clr","c");
- emitcode("jz","%05d_DS_",lbl->key+100);
- emitcode("cpl","c");
- emitcode("","%05d_DS_:",lbl->key+100);
- emitcode("mov","%s,c",aop->aopu.aop_dir);
- }
- }
- break;
+ return pcop;
+}
- case AOP_STR:
- aop->coff = offset;
- if (strcmp(aop->aopu.aop_str[offset],s))
- emitcode ("mov","%s,%s ; %d",aop->aopu.aop_str[offset],s,__LINE__);
- break;
+pCodeOp *popRegFromIdx(int rIdx)
+{
+ pCodeOp *pcop;
- case AOP_ACC:
- aop->coff = offset;
- if (!offset && (strcmp(s,"acc") == 0))
- break;
+ DEBUGpic14_emitcode ("; ***","%s,%d , rIdx=0x%x",
+ __FUNCTION__,__LINE__,rIdx);
- if (strcmp(aop->aopu.aop_str[offset],s))
- emitcode ("mov","%s,%s ; %d",aop->aopu.aop_str[offset],s, __LINE__);
- break;
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
- default :
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut got unsupported aop->type");
- exit(0);
- }
+ PCOR(pcop)->rIdx = rIdx;
+ PCOR(pcop)->r = pic14_regWithIdx(rIdx);
+ PCOR(pcop)->r->isFree = 0;
+ PCOR(pcop)->r->wasUsed = 1;
-}
+ pcop->type = PCOR(pcop)->r->pc_type;
+
+ return pcop;
+}
/*-----------------------------------------------------------------*/
-/* reAdjustPreg - points a register back to where it should */
+/* popGet - asm operator to pcode operator conversion */
/*-----------------------------------------------------------------*/
-static void reAdjustPreg (asmop *aop)
+pCodeOp *popGet (asmop *aop, int offset) //, bool bit16, bool dname)
{
- int size ;
+ char *s = buffer ;
+ char *rs;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aop->coff = 0;
- if ((size = aop->size) <= 1)
- return ;
- size-- ;
+ pCodeOp *pcop;
+
+ //DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* offset is greater than
+ size then zero */
+
+ if (offset > (aop->size - 1) &&
+ aop->type != AOP_LIT)
+ return NULL; //zero;
+
+ /* depending on type */
switch (aop->type) {
- case AOP_R0 :
- case AOP_R1 :
- while (size--)
- emitcode("dec","%s",aop->aopu.aop_ptr->name);
- break;
- case AOP_DPTR :
- case AOP_DPTR2:
- if (aop->type == AOP_DPTR2)
- {
- genSetDPTR(1);
- }
- while (size--)
- {
- emitcode("lcall","__decdptr");
- }
+
+ case AOP_R0:
+ case AOP_R1:
+ case AOP_DPTR:
+ case AOP_DPTR2:
+ case AOP_ACC:
+ DEBUGpic14_emitcode(";8051 legacy","%d type = %s",__LINE__,AopType(aop->type));
+ //pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+ //pcop->type = PO_SFR_REGISTER;
- if (aop->type == AOP_DPTR2)
- {
- genSetDPTR(0);
- }
- break;
+ //PCOR(pcop)->rIdx = -1;
+ //PCOR(pcop)->r = NULL;
+ // Really nasty hack to check for temporary registers
- }
+ //pcop->name = Safe_strdup("BAD_REGISTER");
-}
+ return NULL;
+
+ case AOP_IMMD:
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ pcop = Safe_calloc(1,sizeof(pCodeOp) );
+ pcop->type = PO_IMMEDIATE;
+ //if (bit16)
+ // sprintf (s,"%s",aop->aopu.aop_immd);
+ //else
+ if (offset)
+ sprintf(s,"(%s >> %d)",
+ aop->aopu.aop_immd,
+ offset*8);
+ else
+ sprintf(s,"%s",
+ aop->aopu.aop_immd);
+ pcop->name = Safe_calloc(1,strlen(s)+1);
+ strcpy(pcop->name,s);
+ return pcop;
+
+ case AOP_DIR:
+ pcop = Safe_calloc(1,sizeof(pCodeOp) );
+ pcop->type = PO_DIR;
+ if (offset)
+ sprintf(s,"(%s + %d)",
+ aop->aopu.aop_dir,
+ offset);
+ else
+ sprintf(s,"%s",aop->aopu.aop_dir);
+ pcop->name = Safe_calloc(1,strlen(s)+1);
+ strcpy(pcop->name,s);
+ return pcop;
+
+ case AOP_REG:
+ {
+ int rIdx = aop->aopu.aop_reg[offset]->rIdx;
+
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+ PCOR(pcop)->rIdx = rIdx;
+ PCOR(pcop)->r = pic14_regWithIdx(rIdx);
+ pcop->type = PCOR(pcop)->r->pc_type;
+ rs = aop->aopu.aop_reg[offset]->name;
+ //DEBUGpic14_emitcode(";","%d regiser idx = %d name =%s",__LINE__,rIdx,rs);
+ return pcop;
+ }
-#define AOP(op) op->aop
-#define AOP_TYPE(op) AOP(op)->type
-#define AOP_SIZE(op) AOP(op)->size
-#define IS_AOP_PREG(x) (AOP(x) && (AOP_TYPE(x) == AOP_R1 || \
- AOP_TYPE(x) == AOP_R0))
+ case AOP_CRY:
+ pcop = newpCodeOpBit(aop->aopu.aop_dir,-1,1);
+ return pcop;
+
+ case AOP_LIT:
+ return newpCodeOpLit(pic14aopLiteral (aop->aopu.aop_lit,offset));
-#define AOP_NEEDSACC(x) (AOP(x) && (AOP_TYPE(x) == AOP_CRY || \
- AOP_TYPE(x) == AOP_DPTR || AOP_TYPE(x) == AOP_DPTR2 || \
- AOP(x)->paged))
+ case AOP_STR:
+ DEBUGpic14_emitcode(";","%d",__LINE__);
-#define AOP_INPREG(x) (x && (x->type == AOP_REG && \
- (x->aopu.aop_reg[0] == pic14_regWithIdx(R0_IDX) || \
- x->aopu.aop_reg[0] == pic14_regWithIdx(R1_IDX) )))
+ pcop = Safe_calloc(1,sizeof(pCodeOp) );
+ pcop->type = PO_STR;
-/*-----------------------------------------------------------------*/
-/* genNotFloat - generates not for float operations */
-/*-----------------------------------------------------------------*/
+ //aop->coff = offset ;
+ //if (strcmp(aop->aopu.aop_str[offset],"a") == 0 && dname)
+ // sprintf(s,"%s","acc");
+ //else
+ sprintf(s,"%s",aop->aopu.aop_str[offset]);
+ pcop->name = Safe_calloc(1,strlen(s)+1);
+ strcpy(pcop->name,s);
+ return pcop;
+
+ }
+
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "popGet got unsupported aop->type");
+ exit(0);
+}
+/*-----------------------------------------------------------------*/
+/* aopPut - puts a string for a aop */
+/*-----------------------------------------------------------------*/
+void aopPut (asmop *aop, char *s, int offset)
+{
+ char *d = buffer ;
+ symbol *lbl ;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if (aop->size && offset > ( aop->size - 1)) {
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "aopPut got offset > aop->size");
+ exit(0);
+ }
+
+ /* will assign value to value */
+ /* depending on where it is ofcourse */
+ switch (aop->type) {
+ case AOP_DIR:
+ if (offset)
+ sprintf(d,"(%s + %d)",
+ aop->aopu.aop_dir,offset);
+ else
+ sprintf(d,"%s",aop->aopu.aop_dir);
+
+ if (strcmp(d,s)) {
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ if(strcmp(s,"W"))
+ pic14_emitcode("movf","%s,w",s);
+ pic14_emitcode("movwf","%s",d);
+
+ if(strcmp(s,"W"))
+ pic14_emitcode(";BUG! should have this:movf","%s,w %d",s,__LINE__);
+ emitpcode(POC_MOVWF,popGet(aop,offset));
+
+
+ }
+ break;
+
+ case AOP_REG:
+ if (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0 &&
+ strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){
+ /*
+ if (*s == '@' ||
+ strcmp(s,"r0") == 0 ||
+ strcmp(s,"r1") == 0 ||
+ strcmp(s,"r2") == 0 ||
+ strcmp(s,"r3") == 0 ||
+ strcmp(s,"r4") == 0 ||
+ strcmp(s,"r5") == 0 ||
+ strcmp(s,"r6") == 0 ||
+ strcmp(s,"r7") == 0 )
+ pic14_emitcode("mov","%s,%s ; %d",
+ aop->aopu.aop_reg[offset]->dname,s,__LINE__);
+ else
+ */
+
+ if(strcmp(s,"W"))
+ pic14_emitcode("movf","%s,w ; %d",s,__LINE__);
+
+ pic14_emitcode("movwf","%s",
+ aop->aopu.aop_reg[offset]->name);
+
+ if(strcmp(s,"W")) {
+ pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+ pcop->type = PO_GPR_REGISTER;
+
+ PCOR(pcop)->rIdx = -1;
+ PCOR(pcop)->r = NULL;
+
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ pcop->name = Safe_strdup(s);
+ emitpcode(POC_MOVFW,pcop);
+ }
+ emitpcode(POC_MOVWF,popGet(aop,offset));
+
+ }
+ break;
+
+ case AOP_DPTR:
+ case AOP_DPTR2:
+
+ if (aop->type == AOP_DPTR2)
+ {
+ genSetDPTR(1);
+ }
+
+ if (aop->code) {
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "aopPut writting to code space");
+ exit(0);
+ }
+
+ while (offset > aop->coff) {
+ aop->coff++;
+ pic14_emitcode ("inc","dptr");
+ }
+
+ while (offset < aop->coff) {
+ aop->coff-- ;
+ pic14_emitcode("lcall","__decdptr");
+ }
+
+ aop->coff = offset;
+
+ /* if not in accumulater */
+ MOVA(s);
+
+ pic14_emitcode ("movx","@dptr,a");
+
+ if (aop->type == AOP_DPTR2)
+ {
+ genSetDPTR(0);
+ }
+ break;
+
+ case AOP_R0:
+ case AOP_R1:
+ while (offset > aop->coff) {
+ aop->coff++;
+ pic14_emitcode("inc","%s",aop->aopu.aop_ptr->name);
+ }
+ while (offset < aop->coff) {
+ aop->coff-- ;
+ pic14_emitcode ("dec","%s",aop->aopu.aop_ptr->name);
+ }
+ aop->coff = offset;
+
+ if (aop->paged) {
+ MOVA(s);
+ pic14_emitcode("movx","@%s,a",aop->aopu.aop_ptr->name);
+
+ } else
+ if (*s == '@') {
+ MOVA(s);
+ pic14_emitcode("mov","@%s,a ; %d",aop->aopu.aop_ptr->name,__LINE__);
+ } else
+ if (strcmp(s,"r0") == 0 ||
+ strcmp(s,"r1") == 0 ||
+ strcmp(s,"r2") == 0 ||
+ strcmp(s,"r3") == 0 ||
+ strcmp(s,"r4") == 0 ||
+ strcmp(s,"r5") == 0 ||
+ strcmp(s,"r6") == 0 ||
+ strcmp(s,"r7") == 0 ) {
+ char buffer[10];
+ sprintf(buffer,"a%s",s);
+ pic14_emitcode("mov","@%s,%s",
+ aop->aopu.aop_ptr->name,buffer);
+ } else
+ pic14_emitcode("mov","@%s,%s",aop->aopu.aop_ptr->name,s);
+
+ break;
+
+ case AOP_STK:
+ if (strcmp(s,"a") == 0)
+ pic14_emitcode("push","acc");
+ else
+ pic14_emitcode("push","%s",s);
+
+ break;
+
+ case AOP_CRY:
+ /* if bit variable */
+ if (!aop->aopu.aop_dir) {
+ pic14_emitcode("clr","a");
+ pic14_emitcode("rlc","a");
+ } else {
+ if (s == zero)
+ pic14_emitcode("clr","%s",aop->aopu.aop_dir);
+ else
+ if (s == one)
+ pic14_emitcode("setb","%s",aop->aopu.aop_dir);
+ else
+ if (!strcmp(s,"c"))
+ pic14_emitcode("mov","%s,c",aop->aopu.aop_dir);
+ else {
+ lbl = newiTempLabel(NULL);
+
+ if (strcmp(s,"a")) {
+ MOVA(s);
+ }
+ pic14_emitcode("clr","c");
+ pic14_emitcode("jz","%05d_DS_",lbl->key+100);
+ pic14_emitcode("cpl","c");
+ pic14_emitcode("","%05d_DS_:",lbl->key+100);
+ pic14_emitcode("mov","%s,c",aop->aopu.aop_dir);
+ }
+ }
+ break;
+
+ case AOP_STR:
+ aop->coff = offset;
+ if (strcmp(aop->aopu.aop_str[offset],s))
+ pic14_emitcode ("mov","%s,%s ; %d",aop->aopu.aop_str[offset],s,__LINE__);
+ break;
+
+ case AOP_ACC:
+ aop->coff = offset;
+ if (!offset && (strcmp(s,"acc") == 0))
+ break;
+
+ if (strcmp(aop->aopu.aop_str[offset],s))
+ pic14_emitcode ("mov","%s,%s ; %d",aop->aopu.aop_str[offset],s, __LINE__);
+ break;
+
+ default :
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "aopPut got unsupported aop->type");
+ exit(0);
+ }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* reAdjustPreg - points a register back to where it should */
+/*-----------------------------------------------------------------*/
+static void reAdjustPreg (asmop *aop)
+{
+ int size ;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aop->coff = 0;
+ if ((size = aop->size) <= 1)
+ return ;
+ size-- ;
+ switch (aop->type) {
+ case AOP_R0 :
+ case AOP_R1 :
+ while (size--)
+ pic14_emitcode("dec","%s",aop->aopu.aop_ptr->name);
+ break;
+ case AOP_DPTR :
+ case AOP_DPTR2:
+ if (aop->type == AOP_DPTR2)
+ {
+ genSetDPTR(1);
+ }
+ while (size--)
+ {
+ pic14_emitcode("lcall","__decdptr");
+ }
+
+ if (aop->type == AOP_DPTR2)
+ {
+ genSetDPTR(0);
+ }
+ break;
+
+ }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genNotFloat - generates not for float operations */
+/*-----------------------------------------------------------------*/
static void genNotFloat (operand *op, operand *res)
{
int size, offset;
char *l;
symbol *tlbl ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* we will put 127 in the first byte of
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* we will put 127 in the first byte of
the result */
aopPut(AOP(res),"#127",0);
size = AOP_SIZE(op) - 1;
offset = 1;
l = aopGet(op->aop,offset++,FALSE,FALSE);
- MOVA(l);
+ MOVA(l);
while(size--) {
- emitcode("orl","a,%s",
+ pic14_emitcode("orl","a,%s",
aopGet(op->aop,
offset++,FALSE,FALSE));
}
tlbl = newiTempLabel(NULL);
aopPut(res->aop,one,1);
- emitcode("jz","%05d_DS_",(tlbl->key+100));
+ pic14_emitcode("jz","%05d_DS_",(tlbl->key+100));
aopPut(res->aop,zero,1);
- emitcode("","%05d_DS_:",(tlbl->key+100));
+ pic14_emitcode("","%05d_DS_:",(tlbl->key+100));
size = res->aop->size - 2;
- offset = 2;
+ offset = 2;
/* put zeros in the rest */
- while (size--)
+ while (size--)
aopPut(res->aop,zero,offset++);
}
#if 0
/*-----------------------------------------------------------------*/
-/* opIsGptr: returns non-zero if the passed operand is */
-/* a generic pointer type. */
-/*-----------------------------------------------------------------*/
+/* opIsGptr: returns non-zero if the passed operand is */
+/* a generic pointer type. */
+/*-----------------------------------------------------------------*/
static int opIsGptr(operand *op)
{
sym_link *type = operandType(op);
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if ((AOP_SIZE(op) == GPTRSIZE) && IS_GENPTR(type))
{
return 1;
}
- return 0;
+ return 0;
}
#endif
/*-----------------------------------------------------------------*/
-/* getDataSize - get the operand data size */
+/* pic14_getDataSize - get the operand data size */
/*-----------------------------------------------------------------*/
-static int getDataSize(operand *op)
+int pic14_getDataSize(operand *op)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
return AOP_SIZE(op);
* should ignore the high byte (pointer type).
*/
size--;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
}
}
return size;
}
/*-----------------------------------------------------------------*/
-/* outAcc - output Acc */
+/* pic14_outAcc - output Acc */
/*-----------------------------------------------------------------*/
-static void outAcc(operand *result)
+void pic14_outAcc(operand *result)
{
- int size, offset;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- size = getDataSize(result);
- if(size){
- aopPut(AOP(result),"a",0);
- size--;
- offset = 1;
- /* unsigned or positive */
- while(size--){
- aopPut(AOP(result),zero,offset++);
- }
- }
+ int size,offset;
+ DEBUGpic14_emitcode ("; ***","%s %d - ",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,NULL,NULL,result);
+
+
+ size = pic14_getDataSize(result);
+ if(size){
+ emitpcode(POC_MOVWF,popGet(AOP(result),0));
+ size--;
+ offset = 1;
+ /* unsigned or positive */
+ while(size--)
+ emitpcode(POC_CLRF,popGet(AOP(result),offset++));
+ }
+
}
/*-----------------------------------------------------------------*/
-/* outBitC - output a bit C */
+/* pic14_outBitC - output a bit C */
/*-----------------------------------------------------------------*/
-static void outBitC(operand *result)
+void pic14_outBitC(operand *result)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if the result is bit */
- if (AOP_TYPE(result) == AOP_CRY)
+ if (AOP_TYPE(result) == AOP_CRY)
aopPut(AOP(result),"c",0);
else {
- emitcode("clr","a ; %d", __LINE__);
- emitcode("rlc","a");
- outAcc(result);
+ pic14_emitcode("clr","a ; %d", __LINE__);
+ pic14_emitcode("rlc","a");
+ pic14_outAcc(result);
}
}
/*-----------------------------------------------------------------*/
-/* toBoolean - emit code for orl a,operator(sizeop) */
+/* pic14_toBoolean - emit code for orl a,operator(sizeop) */
/*-----------------------------------------------------------------*/
-static void toBoolean(operand *oper)
+void pic14_toBoolean(operand *oper)
{
int size = AOP_SIZE(oper) - 1;
int offset = 1;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
-
- if ( AOP_TYPE(oper) != AOP_ACC)
- emitcode("movf","%s,w",aopGet(AOP(oper),0,FALSE,FALSE));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (size--)
- emitcode("iorwf","%s,w",aopGet(AOP(oper),offset++,FALSE,FALSE));
+ if ( AOP_TYPE(oper) != AOP_ACC) {
+ emitpcode(POC_MOVFW,popGet(AOP(oper),0));
+ }
+ while (size--) {
+ emitpcode(POC_IORFW, popGet(AOP(oper),offset++));
+ }
}
/*-----------------------------------------------------------------*/
static void genNot (iCode *ic)
{
- symbol *tlbl;
- sym_link *optype = operandType(IC_LEFT(ic));
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
-
- /* if in bit space then a special case */
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) {
- emitcode("movlw","1<<%s");
- //emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- //emitcode("cpl","c");
- //outBitC(IC_RESULT(ic));
- goto release;
- }
+ symbol *tlbl;
+ sym_link *optype = operandType(IC_LEFT(ic));
+ int size;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign asmOps to operand & result */
+ aopOp (IC_LEFT(ic),ic,FALSE);
+ aopOp (IC_RESULT(ic),ic,TRUE);
+
+ DEBUGpic14_AopType(__LINE__,IC_LEFT(ic),NULL,IC_RESULT(ic));
+ /* if in bit space then a special case */
+ if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) {
+ pic14_emitcode("movlw","1<<%s");
+ //pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
+ //pic14_emitcode("cpl","c");
+ //pic14_outBitC(IC_RESULT(ic));
+ goto release;
+ }
- /* if type float then do float */
- if (IS_FLOAT(optype)) {
- genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ /* if type float then do float */
+ if (IS_FLOAT(optype)) {
+ genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
+ goto release;
+ }
- toBoolean(IC_LEFT(ic));
+ size = AOP_SIZE(IC_RESULT(ic));
+ if(size == 1) {
+ emitpcode(POC_COMFW,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_ANDLW,popGetLit(1));
+ emitpcode(POC_MOVWF,popGet(AOP(IC_RESULT(ic)),0));
+ goto release;
+ }
+ pic14_toBoolean(IC_LEFT(ic));
- tlbl = newiTempLabel(NULL);
- emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
- outBitC(IC_RESULT(ic));
+ tlbl = newiTempLabel(NULL);
+ pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitC(IC_RESULT(ic));
-release:
- /* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
int size ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* assign asmOps to operand & result */
aopOp (IC_LEFT(ic),ic,FALSE);
aopOp (IC_RESULT(ic),ic,TRUE);
- /* if both are in bit space then
+ /* if both are in bit space then
a special case */
if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
+ AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
- emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- emitcode("cpl","c");
- emitcode("mov","%s,c",IC_RESULT(ic)->aop->aopu.aop_dir);
- goto release;
- }
+ pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
+ pic14_emitcode("cpl","c");
+ pic14_emitcode("mov","%s,c",IC_RESULT(ic)->aop->aopu.aop_dir);
+ goto release;
+ }
size = AOP_SIZE(IC_RESULT(ic));
while (size--) {
char *l = aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE);
- MOVA(l);
- emitcode("cpl","a");
+ MOVA(l);
+ pic14_emitcode("cpl","a");
aopPut(AOP(IC_RESULT(ic)),"a",offset++);
}
int size ,offset =0 ;
char *l;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* for this we just need to flip the
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* for this we just need to flip the
first it then copy the rest in place */
size = AOP_SIZE(op) - 1;
l = aopGet(AOP(op),3,FALSE,FALSE);
- MOVA(l);
+ MOVA(l);
- emitcode("cpl","acc.7");
- aopPut(AOP(result),"a",3);
+ pic14_emitcode("cpl","acc.7");
+ aopPut(AOP(result),"a",3);
while(size--) {
aopPut(AOP(result),
aopGet(AOP(op),offset,FALSE,FALSE),
offset);
offset++;
- }
+ }
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genUminus (iCode *ic)
{
- int offset ,size ;
- sym_link *optype, *rtype;
+ int size, i;
+ sym_link *optype, *rtype;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmops */
- aopOp(IC_LEFT(ic),ic,FALSE);
- aopOp(IC_RESULT(ic),ic,TRUE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign asmops */
+ aopOp(IC_LEFT(ic),ic,FALSE);
+ aopOp(IC_RESULT(ic),ic,TRUE);
- /* if both in bit space then special
- case */
- if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
+ /* if both in bit space then special
+ case */
+ if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
+ AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
- emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- emitcode("cpl","c");
- emitcode("mov","%s,c",IC_RESULT(ic)->aop->aopu.aop_dir);
- goto release;
- }
+ emitpcode(POC_BCF, popGet(AOP(IC_RESULT(ic)),0));
+ emitpcode(POC_BTFSS, popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_BSF, popGet(AOP(IC_RESULT(ic)),0));
- optype = operandType(IC_LEFT(ic));
- rtype = operandType(IC_RESULT(ic));
+ goto release;
+ }
- /* if float then do float stuff */
- if (IS_FLOAT(optype)) {
- genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ optype = operandType(IC_LEFT(ic));
+ rtype = operandType(IC_RESULT(ic));
- /* otherwise subtract from zero */
- size = AOP_SIZE(IC_LEFT(ic));
- offset = 0 ;
- CLRC ;
- while(size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE);
- if (!strcmp(l,"a")) {
- emitcode("cpl","a");
- emitcode("inc","a");
- } else {
- emitcode("clr","a");
- emitcode("subb","a,%s",l);
- }
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
- }
+ /* if float then do float stuff */
+ if (IS_FLOAT(optype)) {
+ genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
+ goto release;
+ }
- /* if any remaining bytes in the result */
- /* we just need to propagate the sign */
- if ((size = (AOP_SIZE(IC_RESULT(ic)) - AOP_SIZE(IC_LEFT(ic))))) {
- emitcode("rlc","a");
- emitcode("subb","a,acc");
- while (size--)
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
+ /* otherwise subtract from zero by taking the 2's complement */
+ size = AOP_SIZE(IC_LEFT(ic));
+
+ for(i=0; i<size; i++) {
+ if (pic14_sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) )
+ emitpcode(POC_COMF, popGet(AOP(IC_LEFT(ic)),i));
+ else {
+ emitpcode(POC_COMFW, popGet(AOP(IC_LEFT(ic)),i));
+ emitpcode(POC_MOVWF, popGet(AOP(IC_RESULT(ic)),i));
}
+ }
-release:
- /* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ emitpcode(POC_INCF, popGet(AOP(IC_RESULT(ic)),0));
+ for(i=1; i<size; i++) {
+ emitSKPNZ;
+ emitpcode(POC_INCF, popGet(AOP(IC_RESULT(ic)),i));
+ }
+
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* saveRegisters - will look for a call and save the registers */
/*-----------------------------------------------------------------*/
-static void saveRegisters(iCode *lic)
+static void saveRegisters(iCode *lic)
{
int i;
iCode *ic;
bitVect *rsave;
- sym_link *detype;
+ sym_link *dtype;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* look for call */
- for (ic = lic ; ic ; ic = ic->next)
+ for (ic = lic ; ic ; ic = ic->next)
if (ic->op == CALL || ic->op == PCALL)
break;
/* if the registers have been saved already then
do nothing */
- if (ic->regsSaved || (OP_SYMBOL(IC_LEFT(ic))->calleeSave))
+ if (ic->regsSaved || IFFUNC_CALLEESAVES(OP_SYMBOL(IC_LEFT(ic))->type))
return ;
- /* find the registers in use at this time
+ /* find the registers in use at this time
and push them away to safety */
rsave = bitVectCplAnd(bitVectCopy(ic->rMask),
ic->rUsed);
ic->regsSaved = 1;
if (options.useXstack) {
- if (bitVectBitValue(rsave,R0_IDX))
- emitcode("mov","b,r0");
- emitcode("mov","r0,%s",spname);
- for (i = 0 ; i < pic14_nRegs ; i++) {
- if (bitVectBitValue(rsave,i)) {
- if (i == R0_IDX)
- emitcode("mov","a,b");
- else
- emitcode("mov","a,%s",pic14_regWithIdx(i)->name);
- emitcode("movx","@r0,a");
- emitcode("inc","r0");
- }
- }
- emitcode("mov","%s,r0",spname);
- if (bitVectBitValue(rsave,R0_IDX))
- emitcode("mov","r0,b");
+ if (bitVectBitValue(rsave,R0_IDX))
+ pic14_emitcode("mov","b,r0");
+ pic14_emitcode("mov","r0,%s",spname);
+ for (i = 0 ; i < pic14_nRegs ; i++) {
+ if (bitVectBitValue(rsave,i)) {
+ if (i == R0_IDX)
+ pic14_emitcode("mov","a,b");
+ else
+ pic14_emitcode("mov","a,%s",pic14_regWithIdx(i)->name);
+ pic14_emitcode("movx","@r0,a");
+ pic14_emitcode("inc","r0");
+ }
+ }
+ pic14_emitcode("mov","%s,r0",spname);
+ if (bitVectBitValue(rsave,R0_IDX))
+ pic14_emitcode("mov","r0,b");
} else
- for (i = 0 ; i < pic14_nRegs ; i++) {
- if (bitVectBitValue(rsave,i))
- emitcode("push","%s",pic14_regWithIdx(i)->dname);
- }
+ for (i = 0 ; i < pic14_nRegs ; i++) {
+ if (bitVectBitValue(rsave,i))
+ pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ }
- detype = getSpec(operandType(IC_LEFT(ic)));
- if (detype &&
- (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype)) &&
- IS_ISR(currFunc->etype) &&
- !ic->bankSaved)
+ dtype = operandType(IC_LEFT(ic));
+ if (dtype &&
+ (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)) &&
+ IFFUNC_ISISR(currFunc->type) &&
+ !ic->bankSaved)
- saverbank(SPEC_BANK(detype),ic,TRUE);
+ saverbank(FUNC_REGBANK(dtype),ic,TRUE);
}
/*-----------------------------------------------------------------*/
int i;
bitVect *rsave;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* find the registers in use at this time
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* find the registers in use at this time
and push them away to safety */
rsave = bitVectCplAnd(bitVectCopy(ic->rMask),
ic->rUsed);
-
+
if (options.useXstack) {
- emitcode("mov","r0,%s",spname);
- for (i = pic14_nRegs ; i >= 0 ; i--) {
- if (bitVectBitValue(rsave,i)) {
- emitcode("dec","r0");
- emitcode("movx","a,@r0");
- if (i == R0_IDX)
- emitcode("mov","b,a");
- else
- emitcode("mov","%s,a",pic14_regWithIdx(i)->name);
- }
-
- }
- emitcode("mov","%s,r0",spname);
- if (bitVectBitValue(rsave,R0_IDX))
- emitcode("mov","r0,b");
+ pic14_emitcode("mov","r0,%s",spname);
+ for (i = pic14_nRegs ; i >= 0 ; i--) {
+ if (bitVectBitValue(rsave,i)) {
+ pic14_emitcode("dec","r0");
+ pic14_emitcode("movx","a,@r0");
+ if (i == R0_IDX)
+ pic14_emitcode("mov","b,a");
+ else
+ pic14_emitcode("mov","%s,a",pic14_regWithIdx(i)->name);
+ }
+
+ }
+ pic14_emitcode("mov","%s,r0",spname);
+ if (bitVectBitValue(rsave,R0_IDX))
+ pic14_emitcode("mov","r0,b");
} else
- for (i = pic14_nRegs ; i >= 0 ; i--) {
- if (bitVectBitValue(rsave,i))
- emitcode("pop","%s",pic14_regWithIdx(i)->dname);
- }
+ for (i = pic14_nRegs ; i >= 0 ; i--) {
+ if (bitVectBitValue(rsave,i))
+ pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ }
-}
+}
/*-----------------------------------------------------------------*/
-/* pushSide - */
+/* pushSide - */
/*-----------------------------------------------------------------*/
static void pushSide(operand * oper, int size)
{
- int offset = 0;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (size--) {
- char *l = aopGet(AOP(oper),offset++,FALSE,TRUE);
- if (AOP_TYPE(oper) != AOP_REG &&
- AOP_TYPE(oper) != AOP_DIR &&
- strcmp(l,"a") ) {
- emitcode("mov","a,%s",l);
- emitcode("push","acc");
- } else
- emitcode("push","%s",l);
- }
+#if 0
+ int offset = 0;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ while (size--) {
+ char *l = aopGet(AOP(oper),offset++,FALSE,TRUE);
+ if (AOP_TYPE(oper) != AOP_REG &&
+ AOP_TYPE(oper) != AOP_DIR &&
+ strcmp(l,"a") ) {
+ pic14_emitcode("mov","a,%s",l);
+ pic14_emitcode("push","acc");
+ } else
+ pic14_emitcode("push","%s",l);
+ }
+#endif
}
/*-----------------------------------------------------------------*/
-/* assignResultValue - */
+/* assignResultValue - */
/*-----------------------------------------------------------------*/
static void assignResultValue(operand * oper)
{
- int offset = 0;
int size = AOP_SIZE(oper);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- // The last byte in the assignment is in W
- aopPut(AOP(oper),"W",size-1);
-
- if(size>1) {
- while (--size) {
- aopPut(AOP(oper),fReturn[offset],offset);
- offset++;
+ if(!GpsuedoStkPtr) {
+ /* The last byte in the assignment is in W */
+ size--;
+ emitpcode(POC_MOVWF, popGet(AOP(oper),size));
+ GpsuedoStkPtr++;
+ }
- }
- }
+ while (size--) {
+ emitpcode(POC_MOVFW,popRegFromIdx(GpsuedoStkPtr-1 + Gstack_base_addr));
+ GpsuedoStkPtr++;
+ emitpcode(POC_MOVWF, popGet(AOP(oper),size));
+ }
}
-/*-----------------------------------------------------------------*/
-/* genXpush - pushes onto the external stack */
-/*-----------------------------------------------------------------*/
-static void genXpush (iCode *ic)
-{
- asmop *aop = newAsmop(0);
- regs *r ;
- int size,offset = 0;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(IC_LEFT(ic),ic,FALSE);
- r = getFreePtr(ic,&aop,FALSE);
-
-
- emitcode("mov","%s,_spx",r->name);
-
- size = AOP_SIZE(IC_LEFT(ic));
- while(size--) {
-
- char *l = aopGet(AOP(IC_LEFT(ic)),
- offset++,FALSE,FALSE);
- MOVA(l);
- emitcode("movx","@%s,a",r->name);
- emitcode("inc","%s",r->name);
-
- }
-
-
- emitcode("mov","_spx,%s",r->name);
-
- freeAsmop(NULL,aop,ic,TRUE);
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
-}
-
/*-----------------------------------------------------------------*/
/* genIpush - genrate code for pushing this gets a little complex */
/*-----------------------------------------------------------------*/
static void genIpush (iCode *ic)
{
+
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int size, offset = 0 ;
char *l;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if this is not a parm push : ie. it is spill push
+ /* if this is not a parm push : ie. it is spill push
and spill push is always done on the local stack */
if (!ic->parmPush) {
MOVA(l);
l = "acc";
}
- emitcode("push","%s",l);
+ pic14_emitcode("push","%s",l);
}
- return ;
+ return ;
}
/* this is a paramter push: in this case we call
the routine to find the call and save those
- registers that need to be saved */
+ registers that need to be saved */
saveRegisters(ic);
- /* if use external stack then call the external
- stack pushing routine */
- if (options.useXstack) {
- genXpush(ic);
- return ;
- }
-
/* then do the push */
aopOp(IC_LEFT(ic),ic,FALSE);
- // pushSide(IC_LEFT(ic), AOP_SIZE(IC_LEFT(ic)));
+ // pushSide(IC_LEFT(ic), AOP_SIZE(IC_LEFT(ic)));
size = AOP_SIZE(IC_LEFT(ic));
while (size--) {
l = aopGet(AOP(IC_LEFT(ic)),offset++,FALSE,TRUE);
- if (AOP_TYPE(IC_LEFT(ic)) != AOP_REG &&
+ if (AOP_TYPE(IC_LEFT(ic)) != AOP_REG &&
AOP_TYPE(IC_LEFT(ic)) != AOP_DIR &&
strcmp(l,"a") ) {
- emitcode("mov","a,%s",l);
- emitcode("push","acc");
+ pic14_emitcode("mov","a,%s",l);
+ pic14_emitcode("push","acc");
} else
- emitcode("push","%s",l);
- }
+ pic14_emitcode("push","%s",l);
+ }
freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genIpop (iCode *ic)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int size,offset ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if the temp was not pushed then */
if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
return ;
aopOp(IC_LEFT(ic),ic,FALSE);
size = AOP_SIZE(IC_LEFT(ic));
offset = (size-1);
- while (size--)
- emitcode("pop","%s",aopGet(AOP(IC_LEFT(ic)),offset--,
+ while (size--)
+ pic14_emitcode("pop","%s",aopGet(AOP(IC_LEFT(ic)),offset--,
FALSE,TRUE));
freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void unsaverbank (int bank,iCode *ic,bool popPsw)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i;
asmop *aop ;
regs *r = NULL;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (popPsw) {
- if (options.useXstack) {
- aop = newAsmop(0);
- r = getFreePtr(ic,&aop,FALSE);
-
-
- emitcode("mov","%s,_spx",r->name);
- emitcode("movx","a,@%s",r->name);
- emitcode("mov","psw,a");
- emitcode("dec","%s",r->name);
-
- }else
- emitcode ("pop","psw");
+ if (options.useXstack) {
+ aop = newAsmop(0);
+ r = getFreePtr(ic,&aop,FALSE);
+
+
+ pic14_emitcode("mov","%s,_spx",r->name);
+ pic14_emitcode("movx","a,@%s",r->name);
+ pic14_emitcode("mov","psw,a");
+ pic14_emitcode("dec","%s",r->name);
+
+ }else
+ pic14_emitcode ("pop","psw");
}
for (i = (pic14_nRegs - 1) ; i >= 0 ;i--) {
- if (options.useXstack) {
- emitcode("movx","a,@%s",r->name);
- //emitcode("mov","(%s+%d),a",
- // regspic14[i].base,8*bank+regspic14[i].offset);
- emitcode("dec","%s",r->name);
+ if (options.useXstack) {
+ pic14_emitcode("movx","a,@%s",r->name);
+ //pic14_emitcode("mov","(%s+%d),a",
+ // regspic14[i].base,8*bank+regspic14[i].offset);
+ pic14_emitcode("dec","%s",r->name);
- } else
- emitcode("pop",""); //"(%s+%d)",
- //regspic14[i].base,8*bank); //+regspic14[i].offset);
+ } else
+ pic14_emitcode("pop",""); //"(%s+%d)",
+ //regspic14[i].base,8*bank); //+regspic14[i].offset);
}
if (options.useXstack) {
- emitcode("mov","_spx,%s",r->name);
- freeAsmop(NULL,aop,ic,TRUE);
+ pic14_emitcode("mov","_spx,%s",r->name);
+ freeAsmop(NULL,aop,ic,TRUE);
}
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void saverbank (int bank, iCode *ic, bool pushPsw)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i;
asmop *aop ;
regs *r = NULL;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (options.useXstack) {
- aop = newAsmop(0);
- r = getFreePtr(ic,&aop,FALSE);
- emitcode("mov","%s,_spx",r->name);
+ aop = newAsmop(0);
+ r = getFreePtr(ic,&aop,FALSE);
+ pic14_emitcode("mov","%s,_spx",r->name);
}
for (i = 0 ; i < pic14_nRegs ;i++) {
if (options.useXstack) {
- emitcode("inc","%s",r->name);
- //emitcode("mov","a,(%s+%d)",
+ pic14_emitcode("inc","%s",r->name);
+ //pic14_emitcode("mov","a,(%s+%d)",
// regspic14[i].base,8*bank+regspic14[i].offset);
- emitcode("movx","@%s,a",r->name);
- } else
- emitcode("push","");// "(%s+%d)",
+ pic14_emitcode("movx","@%s,a",r->name);
+ } else
+ pic14_emitcode("push","");// "(%s+%d)",
//regspic14[i].base,8*bank+regspic14[i].offset);
}
-
+
if (pushPsw) {
- if (options.useXstack) {
- emitcode("mov","a,psw");
- emitcode("movx","@%s,a",r->name);
- emitcode("inc","%s",r->name);
- emitcode("mov","_spx,%s",r->name);
- freeAsmop (NULL,aop,ic,TRUE);
-
- } else
- emitcode("push","psw");
-
- emitcode("mov","psw,#0x%02x",(bank << 3)&0x00ff);
+ if (options.useXstack) {
+ pic14_emitcode("mov","a,psw");
+ pic14_emitcode("movx","@%s,a",r->name);
+ pic14_emitcode("inc","%s",r->name);
+ pic14_emitcode("mov","_spx,%s",r->name);
+ freeAsmop (NULL,aop,ic,TRUE);
+
+ } else
+ pic14_emitcode("push","psw");
+
+ pic14_emitcode("mov","psw,#0x%02x",(bank << 3)&0x00ff);
}
ic->bankSaved = 1;
-
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genCall (iCode *ic)
{
- sym_link *detype;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ sym_link *dtype;
- /* if caller saves & we have not saved then */
- if (!ic->regsSaved)
- saveRegisters(ic);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if we are calling a function that is not using
- the same register bank then we need to save the
- destination registers on the stack */
- detype = getSpec(operandType(IC_LEFT(ic)));
- if (detype &&
- (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype)) &&
- IS_ISR(currFunc->etype) &&
- !ic->bankSaved)
+ /* if caller saves & we have not saved then */
+ if (!ic->regsSaved)
+ saveRegisters(ic);
- saverbank(SPEC_BANK(detype),ic,TRUE);
+ /* if we are calling a function that is not using
+ the same register bank then we need to save the
+ destination registers on the stack */
+ dtype = operandType(IC_LEFT(ic));
+ if (dtype &&
+ (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)) &&
+ IFFUNC_ISISR(currFunc->type) &&
+ !ic->bankSaved)
+
+ saverbank(FUNC_REGBANK(dtype),ic,TRUE);
+
+ /* if send set is not empty the assign */
+ if (_G.sendSet) {
+ iCode *sic;
+ /* For the Pic port, there is no data stack.
+ * So parameters passed to functions are stored
+ * in registers. (The pCode optimizer will get
+ * rid of most of these :).
+ */
+ int psuedoStkPtr=-1;
+ int firstTimeThruLoop = 1;
+
+ _G.sendSet = reverseSet(_G.sendSet);
+
+ /* First figure how many parameters are getting passed */
+ for (sic = setFirstItem(_G.sendSet) ; sic ;
+ sic = setNextItem(_G.sendSet)) {
- /* if send set is not empty the assign */
- if (_G.sendSet) {
- iCode *sic ;
+ aopOp(IC_LEFT(sic),sic,FALSE);
+ psuedoStkPtr += AOP_SIZE(IC_LEFT(sic));
+ freeAsmop (IC_LEFT(sic),NULL,sic,FALSE);
+ }
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
+ for (sic = setFirstItem(_G.sendSet) ; sic ;
+ sic = setNextItem(_G.sendSet)) {
int size, offset = 0;
aopOp(IC_LEFT(sic),sic,FALSE);
size = AOP_SIZE(IC_LEFT(sic));
+
+
while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset,
- FALSE,FALSE);
- DEBUGemitcode(";","%d - left type %d",__LINE__,AOP(IC_LEFT(sic))->type);
+ DEBUGpic14_emitcode ("; ","%d left %s",__LINE__,
+ AopType(AOP_TYPE(IC_LEFT(sic))));
- if (strcmp(l,fReturn[offset])) {
+ if(!firstTimeThruLoop) {
+ /* If this is not the first time we've been through the loop
+ * then we need to save the parameter in a temporary
+ * register. The last byte of the last parameter is
+ * passed in W. */
+ emitpcode(POC_MOVWF,popRegFromIdx(--psuedoStkPtr + Gstack_base_addr));
- if ( ((AOP(IC_LEFT(sic))->type) == AOP_IMMD) ||
- ((AOP(IC_LEFT(sic))->type) == AOP_LIT) )
- emitcode("movlw","%s",l);
- else
- emitcode("movf","%s,w",l);
- // The last one is past in W
- if(size)
- emitcode("movwf","%s",fReturn[offset]);
- }
- offset++;
+ }
+ firstTimeThruLoop=0;
+
+ //if (strcmp(l,fReturn[offset])) {
+
+ if ( ((AOP(IC_LEFT(sic))->type) == AOP_IMMD) ||
+ ((AOP(IC_LEFT(sic))->type) == AOP_LIT) )
+ emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(sic)),offset));
+ else
+ emitpcode(POC_MOVFW,popGet(AOP(IC_LEFT(sic)),offset));
+
+ //}
+ offset++;
}
freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
- }
- _G.sendSet = NULL;
}
- /* make the call */
- emitcode("call","%s",(OP_SYMBOL(IC_LEFT(ic))->rname[0] ?
- OP_SYMBOL(IC_LEFT(ic))->rname :
- OP_SYMBOL(IC_LEFT(ic))->name));
+ _G.sendSet = NULL;
+ }
+ /* make the call */
+ emitpcode(POC_CALL,popGetWithString(OP_SYMBOL(IC_LEFT(ic))->rname[0] ?
+ OP_SYMBOL(IC_LEFT(ic))->rname :
+ OP_SYMBOL(IC_LEFT(ic))->name));
+
+ GpsuedoStkPtr=0;
+ /* if we need assign a result value */
+ if ((IS_ITEMP(IC_RESULT(ic)) &&
+ (OP_SYMBOL(IC_RESULT(ic))->nRegs ||
+ OP_SYMBOL(IC_RESULT(ic))->spildir )) ||
+ IS_TRUE_SYMOP(IC_RESULT(ic)) ) {
+
+ _G.accInUse++;
+ aopOp(IC_RESULT(ic),ic,FALSE);
+ _G.accInUse--;
- /* if we need assign a result value */
- if ((IS_ITEMP(IC_RESULT(ic)) &&
- (OP_SYMBOL(IC_RESULT(ic))->nRegs ||
- OP_SYMBOL(IC_RESULT(ic))->spildir )) ||
- IS_TRUE_SYMOP(IC_RESULT(ic)) ) {
+ assignResultValue(IC_RESULT(ic));
- _G.accInUse++;
- aopOp(IC_RESULT(ic),ic,FALSE);
- _G.accInUse--;
+ DEBUGpic14_emitcode ("; ","%d left %s",__LINE__,
+ AopType(AOP_TYPE(IC_RESULT(ic))));
+
+ freeAsmop(IC_RESULT(ic),NULL, ic,TRUE);
+ }
- assignResultValue(IC_RESULT(ic));
+ /* adjust the stack for parameters if
+ required */
+ if (ic->parmBytes) {
+ int i;
+ if (ic->parmBytes > 3) {
+ pic14_emitcode("mov","a,%s",spname);
+ pic14_emitcode("add","a,#0x%02x", (- ic->parmBytes) & 0xff);
+ pic14_emitcode("mov","%s,a",spname);
+ } else
+ for ( i = 0 ; i < ic->parmBytes ;i++)
+ pic14_emitcode("dec","%s",spname);
- freeAsmop(IC_RESULT(ic),NULL, ic,TRUE);
- }
+ }
- /* adjust the stack for parameters if
- required */
- if (IC_LEFT(ic)->parmBytes) {
- int i;
- if (IC_LEFT(ic)->parmBytes > 3) {
- emitcode("mov","a,%s",spname);
- emitcode("add","a,#0x%02x", (- IC_LEFT(ic)->parmBytes) & 0xff);
- emitcode("mov","%s,a",spname);
- } else
- for ( i = 0 ; i < IC_LEFT(ic)->parmBytes ;i++)
- emitcode("dec","%s",spname);
+ /* if register bank was saved then pop them */
+ if (ic->bankSaved)
+ unsaverbank(FUNC_REGBANK(dtype),ic,TRUE);
- }
-
- /* if register bank was saved then pop them */
- if (ic->bankSaved)
- unsaverbank(SPEC_BANK(detype),ic,TRUE);
-
- /* if we hade saved some registers then unsave them */
- if (ic->regsSaved && !(OP_SYMBOL(IC_LEFT(ic))->calleeSave))
- unsaveRegisters (ic);
+ /* if we hade saved some registers then unsave them */
+ if (ic->regsSaved && !IFFUNC_CALLEESAVES(dtype))
+ unsaveRegisters (ic);
}
/*-----------------------------------------------------------------*/
static void genPcall (iCode *ic)
{
- sym_link *detype;
+ sym_link *dtype;
symbol *rlbl = newiTempLabel(NULL);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if caller saves & we have not saved then */
if (!ic->regsSaved)
saveRegisters(ic);
/* if we are calling a function that is not using
the same register bank then we need to save the
destination registers on the stack */
- detype = getSpec(operandType(IC_LEFT(ic)));
- if (detype &&
- IS_ISR(currFunc->etype) &&
- (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype)))
- saverbank(SPEC_BANK(detype),ic,TRUE);
+ dtype = operandType(IC_LEFT(ic));
+ if (dtype &&
+ IFFUNC_ISISR(currFunc->type) &&
+ (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)))
+ saverbank(FUNC_REGBANK(dtype),ic,TRUE);
/* push the return address on to the stack */
- emitcode("mov","a,#%05d_DS_",(rlbl->key+100));
- emitcode("push","acc");
- emitcode("mov","a,#(%05d_DS_ >> 8)",(rlbl->key+100));
- emitcode("push","acc");
-
+ pic14_emitcode("mov","a,#%05d_DS_",(rlbl->key+100));
+ pic14_emitcode("push","acc");
+ pic14_emitcode("mov","a,#(%05d_DS_ >> 8)",(rlbl->key+100));
+ pic14_emitcode("push","acc");
+
if (options.model == MODEL_FLAT24)
{
- emitcode("mov","a,#(%05d_DS_ >> 16)",(rlbl->key+100));
- emitcode("push","acc");
+ pic14_emitcode("mov","a,#(%05d_DS_ >> 16)",(rlbl->key+100));
+ pic14_emitcode("push","acc");
}
/* now push the calling address */
pushSide(IC_LEFT(ic), FPTRSIZE);
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
/* if send set is not empty the assign */
if (_G.sendSet) {
- iCode *sic ;
-
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
- int size, offset = 0;
- aopOp(IC_LEFT(sic),sic,FALSE);
- size = AOP_SIZE(IC_LEFT(sic));
- while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset,
- FALSE,FALSE);
- if (strcmp(l,fReturn[offset]))
- emitcode("mov","%s,%s",
- fReturn[offset],
- l);
- offset++;
- }
- freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
- }
- _G.sendSet = NULL;
- }
-
- emitcode("ret","");
- emitcode("","%05d_DS_:",(rlbl->key+100));
+ iCode *sic ;
+
+ for (sic = setFirstItem(_G.sendSet) ; sic ;
+ sic = setNextItem(_G.sendSet)) {
+ int size, offset = 0;
+ aopOp(IC_LEFT(sic),sic,FALSE);
+ size = AOP_SIZE(IC_LEFT(sic));
+ while (size--) {
+ char *l = aopGet(AOP(IC_LEFT(sic)),offset,
+ FALSE,FALSE);
+ if (strcmp(l,fReturn[offset]))
+ pic14_emitcode("mov","%s,%s",
+ fReturn[offset],
+ l);
+ offset++;
+ }
+ freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
+ }
+ _G.sendSet = NULL;
+ }
+
+ pic14_emitcode("ret","");
+ pic14_emitcode("","%05d_DS_:",(rlbl->key+100));
/* if we need assign a result value */
_G.accInUse++;
aopOp(IC_RESULT(ic),ic,FALSE);
_G.accInUse--;
-
- assignResultValue(IC_RESULT(ic));
+
+ assignResultValue(IC_RESULT(ic));
freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
- /* adjust the stack for parameters if
+ /* adjust the stack for parameters if
required */
- if (IC_LEFT(ic)->parmBytes) {
+ if (ic->parmBytes) {
int i;
- if (IC_LEFT(ic)->parmBytes > 3) {
- emitcode("mov","a,%s",spname);
- emitcode("add","a,#0x%02x", (- IC_LEFT(ic)->parmBytes) & 0xff);
- emitcode("mov","%s,a",spname);
- } else
- for ( i = 0 ; i < IC_LEFT(ic)->parmBytes ;i++)
- emitcode("dec","%s",spname);
+ if (ic->parmBytes > 3) {
+ pic14_emitcode("mov","a,%s",spname);
+ pic14_emitcode("add","a,#0x%02x", (- ic->parmBytes) & 0xff);
+ pic14_emitcode("mov","%s,a",spname);
+ } else
+ for ( i = 0 ; i < ic->parmBytes ;i++)
+ pic14_emitcode("dec","%s",spname);
}
/* if register bank was saved then unsave them */
- if (detype &&
- (SPEC_BANK(currFunc->etype) !=
- SPEC_BANK(detype)))
- unsaverbank(SPEC_BANK(detype),ic,TRUE);
+ if (dtype &&
+ (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)))
+ unsaverbank(FUNC_REGBANK(dtype),ic,TRUE);
/* if we hade saved some registers then
unsave them */
/*-----------------------------------------------------------------*/
static int resultRemat (iCode *ic)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (SKIP_IC(ic) || ic->op == IFX)
return 0;
if (IC_RESULT(ic) && IS_ITEMP(IC_RESULT(ic))) {
symbol *sym = OP_SYMBOL(IC_RESULT(ic));
- if (sym->remat && !POINTER_SET(ic))
+ if (sym->remat && !POINTER_SET(ic))
return 1;
}
/*-----------------------------------------------------------------*/
static bool inExcludeList(char *s)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i =0;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (options.excludeRegs[i] &&
STRCASECMP(options.excludeRegs[i],"none") == 0)
- return FALSE ;
+ return FALSE ;
for ( i = 0 ; options.excludeRegs[i]; i++) {
- if (options.excludeRegs[i] &&
+ if (options.excludeRegs[i] &&
STRCASECMP(s,options.excludeRegs[i]) == 0)
- return TRUE;
+ return TRUE;
}
+#endif
return FALSE ;
}
static void genFunction (iCode *ic)
{
symbol *sym;
- sym_link *fetype;
+ sym_link *ftype;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- labelOffset += FUNCTION_LABEL_INC;
+ DEBUGpic14_emitcode ("; ***","%s %d curr label offset=%dprevious max_key=%d ",__FUNCTION__,__LINE__,labelOffset,max_key);
+ labelOffset += (max_key+4);
+ max_key=0;
+ GpsuedoStkPtr=0;
_G.nRegsSaved = 0;
/* create the function header */
- emitcode(";","-----------------------------------------");
- emitcode(";"," function %s",(sym = OP_SYMBOL(IC_LEFT(ic)))->name);
- emitcode(";","-----------------------------------------");
+ pic14_emitcode(";","-----------------------------------------");
+ pic14_emitcode(";"," function %s",(sym = OP_SYMBOL(IC_LEFT(ic)))->name);
+ pic14_emitcode(";","-----------------------------------------");
+
+ pic14_emitcode("","%s:",sym->rname);
+ addpCode2pBlock(pb,newpCodeFunction(NULL,sym->rname));
- emitcode("","%s:",sym->rname);
- fetype = getSpec(operandType(IC_LEFT(ic)));
+ ftype = operandType(IC_LEFT(ic));
/* if critical function then turn interrupts off */
- if (SPEC_CRTCL(fetype))
- emitcode("clr","ea");
+ if (IFFUNC_ISCRITICAL(ftype))
+ pic14_emitcode("clr","ea");
/* here we need to generate the equates for the
register bank if required */
#if 0
- if (SPEC_BANK(fetype) != rbank) {
+ if (FUNC_REGBANK(ftype) != rbank) {
int i ;
- rbank = SPEC_BANK(fetype);
+ rbank = FUNC_REGBANK(ftype);
for ( i = 0 ; i < pic14_nRegs ; i++ ) {
if (strcmp(regspic14[i].base,"0") == 0)
- emitcode("","%s = 0x%02x",
+ pic14_emitcode("","%s = 0x%02x",
regspic14[i].dname,
8*rbank+regspic14[i].offset);
else
- emitcode ("","%s = %s + 0x%02x",
+ pic14_emitcode ("","%s = %s + 0x%02x",
regspic14[i].dname,
regspic14[i].base,
8*rbank+regspic14[i].offset);
/* if this is an interrupt service routine then
save acc, b, dpl, dph */
- if (IS_ISR(sym->etype)) {
-
- if (!inExcludeList("acc"))
- emitcode ("push","acc");
- if (!inExcludeList("b"))
- emitcode ("push","b");
- if (!inExcludeList("dpl"))
- emitcode ("push","dpl");
- if (!inExcludeList("dph"))
- emitcode ("push","dph");
- if (options.model == MODEL_FLAT24 && !inExcludeList("dpx"))
- {
- emitcode ("push", "dpx");
- /* Make sure we're using standard DPTR */
- emitcode ("push", "dps");
- emitcode ("mov", "dps, #0x00");
- if (options.stack10bit)
- {
- /* This ISR could conceivably use DPTR2. Better save it. */
- emitcode ("push", "dpl1");
- emitcode ("push", "dph1");
- emitcode ("push", "dpx1");
- }
- }
- /* if this isr has no bank i.e. is going to
- run with bank 0 , then we need to save more
- registers :-) */
- if (!SPEC_BANK(sym->etype)) {
-
- /* if this function does not call any other
- function then we can be economical and
- save only those registers that are used */
- if (! sym->hasFcall) {
- int i;
-
- /* if any registers used */
- if (sym->regsUsed) {
- /* save the registers used */
- for ( i = 0 ; i < sym->regsUsed->size ; i++) {
- if (bitVectBitValue(sym->regsUsed,i) ||
+ if (IFFUNC_ISISR(sym->type)) {
+
+ if (!inExcludeList("acc"))
+ pic14_emitcode ("push","acc");
+ if (!inExcludeList("b"))
+ pic14_emitcode ("push","b");
+ if (!inExcludeList("dpl"))
+ pic14_emitcode ("push","dpl");
+ if (!inExcludeList("dph"))
+ pic14_emitcode ("push","dph");
+ if (options.model == MODEL_FLAT24 && !inExcludeList("dpx"))
+ {
+ pic14_emitcode ("push", "dpx");
+ /* Make sure we're using standard DPTR */
+ pic14_emitcode ("push", "dps");
+ pic14_emitcode ("mov", "dps, #0x00");
+ if (options.stack10bit)
+ {
+ /* This ISR could conceivably use DPTR2. Better save it. */
+ pic14_emitcode ("push", "dpl1");
+ pic14_emitcode ("push", "dph1");
+ pic14_emitcode ("push", "dpx1");
+ }
+ }
+ /* if this isr has no bank i.e. is going to
+ run with bank 0 , then we need to save more
+ registers :-) */
+ if (!FUNC_REGBANK(sym->type)) {
+
+ /* if this function does not call any other
+ function then we can be economical and
+ save only those registers that are used */
+ if (! IFFUNC_HASFCALL(sym->type)) {
+ int i;
+
+ /* if any registers used */
+ if (sym->regsUsed) {
+ /* save the registers used */
+ for ( i = 0 ; i < sym->regsUsed->size ; i++) {
+ if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- emitcode("push","%s",pic14_regWithIdx(i)->dname);
- }
- }
-
- } else {
- /* this function has a function call cannot
- determines register usage so we will have the
- entire bank */
- saverbank(0,ic,FALSE);
- }
- }
+ pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ }
+ }
+
+ } else {
+ /* this function has a function call cannot
+ determines register usage so we will have the
+ entire bank */
+ saverbank(0,ic,FALSE);
+ }
+ }
} else {
- /* if callee-save to be used for this function
- then save the registers being used in this function */
- if (sym->calleeSave) {
- int i;
-
- /* if any registers used */
- if (sym->regsUsed) {
- /* save the registers used */
- for ( i = 0 ; i < sym->regsUsed->size ; i++) {
- if (bitVectBitValue(sym->regsUsed,i) ||
+ /* if callee-save to be used for this function
+ then save the registers being used in this function */
+ if (IFFUNC_CALLEESAVES(sym->type)) {
+ int i;
+
+ /* if any registers used */
+ if (sym->regsUsed) {
+ /* save the registers used */
+ for ( i = 0 ; i < sym->regsUsed->size ; i++) {
+ if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) {
- emitcode("push","%s",pic14_regWithIdx(i)->dname);
- _G.nRegsSaved++;
- }
- }
- }
- }
+ pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ _G.nRegsSaved++;
+ }
+ }
+ }
+ }
}
/* set the register bank to the desired value */
- if (SPEC_BANK(sym->etype) || IS_ISR(sym->etype)) {
- emitcode("push","psw");
- emitcode("mov","psw,#0x%02x",(SPEC_BANK(sym->etype) << 3)&0x00ff);
+ if (FUNC_REGBANK(sym->type) || FUNC_ISISR(sym->type)) {
+ pic14_emitcode("push","psw");
+ pic14_emitcode("mov","psw,#0x%02x",(FUNC_REGBANK(sym->type) << 3)&0x00ff);
}
- if (IS_RENT(sym->etype) || options.stackAuto) {
+ if (IFFUNC_ISREENT(sym->type) || options.stackAuto) {
- if (options.useXstack) {
- emitcode("mov","r0,%s",spname);
- emitcode("mov","a,_bp");
- emitcode("movx","@r0,a");
- emitcode("inc","%s",spname);
- }
- else
- {
- /* set up the stack */
- emitcode ("push","_bp"); /* save the callers stack */
- }
- emitcode ("mov","_bp,%s",spname);
+ if (options.useXstack) {
+ pic14_emitcode("mov","r0,%s",spname);
+ pic14_emitcode("mov","a,_bp");
+ pic14_emitcode("movx","@r0,a");
+ pic14_emitcode("inc","%s",spname);
+ }
+ else
+ {
+ /* set up the stack */
+ pic14_emitcode ("push","_bp"); /* save the callers stack */
+ }
+ pic14_emitcode ("mov","_bp,%s",spname);
}
/* adjust the stack for the function */
if (sym->stack) {
- int i = sym->stack;
- if (i > 256 )
- werror(W_STACK_OVERFLOW,sym->name);
+ int i = sym->stack;
+ if (i > 256 )
+ werror(W_STACK_OVERFLOW,sym->name);
- if (i > 3 && sym->recvSize < 4) {
+ if (i > 3 && sym->recvSize < 4) {
- emitcode ("mov","a,sp");
- emitcode ("add","a,#0x%02x",((char)sym->stack & 0xff));
- emitcode ("mov","sp,a");
-
- }
- else
- while(i--)
- emitcode("inc","sp");
+ pic14_emitcode ("mov","a,sp");
+ pic14_emitcode ("add","a,#0x%02x",((char)sym->stack & 0xff));
+ pic14_emitcode ("mov","sp,a");
+
+ }
+ else
+ while(i--)
+ pic14_emitcode("inc","sp");
}
if (sym->xstack) {
- emitcode ("mov","a,_spx");
- emitcode ("add","a,#0x%02x",((char)sym->xstack & 0xff));
- emitcode ("mov","_spx,a");
- }
+ pic14_emitcode ("mov","a,_spx");
+ pic14_emitcode ("add","a,#0x%02x",((char)sym->xstack & 0xff));
+ pic14_emitcode ("mov","_spx,a");
+ }
}
{
symbol *sym = OP_SYMBOL(IC_LEFT(ic));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if (IS_RENT(sym->etype) || options.stackAuto)
+ if (IFFUNC_ISREENT(sym->type) || options.stackAuto)
{
- emitcode ("mov","%s,_bp",spname);
+ pic14_emitcode ("mov","%s,_bp",spname);
}
/* if use external stack but some variables were
added to the local stack then decrement the
local stack */
- if (options.useXstack && sym->stack) {
- emitcode("mov","a,sp");
- emitcode("add","a,#0x%02x",((char)-sym->stack) & 0xff);
- emitcode("mov","sp,a");
- }
-
-
- if ((IS_RENT(sym->etype) || options.stackAuto)) {
- if (options.useXstack) {
- emitcode("mov","r0,%s",spname);
- emitcode("movx","a,@r0");
- emitcode("mov","_bp,a");
- emitcode("dec","%s",spname);
- }
- else
- {
- emitcode ("pop","_bp");
- }
- }
-
- /* restore the register bank */
- if (SPEC_BANK(sym->etype) || IS_ISR(sym->etype))
- emitcode ("pop","psw");
-
- if (IS_ISR(sym->etype)) {
-
- /* now we need to restore the registers */
- /* if this isr has no bank i.e. is going to
- run with bank 0 , then we need to save more
- registers :-) */
- if (!SPEC_BANK(sym->etype)) {
-
- /* if this function does not call any other
- function then we can be economical and
- save only those registers that are used */
- if (! sym->hasFcall) {
- int i;
-
- /* if any registers used */
- if (sym->regsUsed) {
- /* save the registers used */
- for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
- if (bitVectBitValue(sym->regsUsed,i) ||
+ if (options.useXstack && sym->stack) {
+ pic14_emitcode("mov","a,sp");
+ pic14_emitcode("add","a,#0x%02x",((char)-sym->stack) & 0xff);
+ pic14_emitcode("mov","sp,a");
+ }
+
+
+ if ((IFFUNC_ISREENT(sym->type) || options.stackAuto)) {
+ if (options.useXstack) {
+ pic14_emitcode("mov","r0,%s",spname);
+ pic14_emitcode("movx","a,@r0");
+ pic14_emitcode("mov","_bp,a");
+ pic14_emitcode("dec","%s",spname);
+ }
+ else
+ {
+ pic14_emitcode ("pop","_bp");
+ }
+ }
+
+ /* restore the register bank */
+ if (FUNC_REGBANK(sym->type) || FUNC_ISISR(sym->type))
+ pic14_emitcode ("pop","psw");
+
+ if (IFFUNC_ISISR(sym->type)) {
+
+ /* now we need to restore the registers */
+ /* if this isr has no bank i.e. is going to
+ run with bank 0 , then we need to save more
+ registers :-) */
+ if (!FUNC_REGBANK(sym->type)) {
+
+ /* if this function does not call any other
+ function then we can be economical and
+ save only those registers that are used */
+ if (! IFFUNC_HASFCALL(sym->type)) {
+ int i;
+
+ /* if any registers used */
+ if (sym->regsUsed) {
+ /* save the registers used */
+ for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
+ if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- emitcode("pop","%s",pic14_regWithIdx(i)->dname);
- }
- }
-
- } else {
- /* this function has a function call cannot
- determines register usage so we will have the
- entire bank */
- unsaverbank(0,ic,FALSE);
- }
- }
-
- if (options.model == MODEL_FLAT24 && !inExcludeList("dpx"))
- {
- if (options.stack10bit)
- {
- emitcode ("pop", "dpx1");
- emitcode ("pop", "dph1");
- emitcode ("pop", "dpl1");
- }
- emitcode ("pop", "dps");
- emitcode ("pop", "dpx");
- }
- if (!inExcludeList("dph"))
- emitcode ("pop","dph");
- if (!inExcludeList("dpl"))
- emitcode ("pop","dpl");
- if (!inExcludeList("b"))
- emitcode ("pop","b");
- if (!inExcludeList("acc"))
- emitcode ("pop","acc");
-
- if (SPEC_CRTCL(sym->etype))
- emitcode("setb","ea");
-
- /* if debug then send end of function */
-/* if (options.debug && currFunc) { */
- if (currFunc) {
- _G.debugLine = 1;
- emitcode(";","C$%s$%d$%d$%d ==.",
- ic->filename,currFunc->lastLine,
- ic->level,ic->block);
- if (IS_STATIC(currFunc->etype))
- emitcode(";","XF%s$%s$0$0 ==.",moduleName,currFunc->name);
- else
- emitcode(";","XG$%s$0$0 ==.",currFunc->name);
- _G.debugLine = 0;
- }
-
- emitcode ("reti","");
+ pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ }
+ }
+
+ } else {
+ /* this function has a function call cannot
+ determines register usage so we will have the
+ entire bank */
+ unsaverbank(0,ic,FALSE);
+ }
+ }
+
+ if (options.model == MODEL_FLAT24 && !inExcludeList("dpx"))
+ {
+ if (options.stack10bit)
+ {
+ pic14_emitcode ("pop", "dpx1");
+ pic14_emitcode ("pop", "dph1");
+ pic14_emitcode ("pop", "dpl1");
+ }
+ pic14_emitcode ("pop", "dps");
+ pic14_emitcode ("pop", "dpx");
+ }
+ if (!inExcludeList("dph"))
+ pic14_emitcode ("pop","dph");
+ if (!inExcludeList("dpl"))
+ pic14_emitcode ("pop","dpl");
+ if (!inExcludeList("b"))
+ pic14_emitcode ("pop","b");
+ if (!inExcludeList("acc"))
+ pic14_emitcode ("pop","acc");
+
+ if (IFFUNC_ISCRITICAL(sym->type))
+ pic14_emitcode("setb","ea");
+
+ /* if debug then send end of function */
+/* if (options.debug && currFunc) { */
+ if (currFunc) {
+ _G.debugLine = 1;
+ pic14_emitcode(";","C$%s$%d$%d$%d ==.",
+ FileBaseName(ic->filename),currFunc->lastLine,
+ ic->level,ic->block);
+ if (IS_STATIC(currFunc->etype))
+ pic14_emitcode(";","XF%s$%s$0$0 ==.",moduleName,currFunc->name);
+ else
+ pic14_emitcode(";","XG$%s$0$0 ==.",currFunc->name);
+ _G.debugLine = 0;
+ }
+
+ pic14_emitcode ("reti","");
}
else {
- if (SPEC_CRTCL(sym->etype))
- emitcode("setb","ea");
-
- if (sym->calleeSave) {
- int i;
-
- /* if any registers used */
- if (sym->regsUsed) {
- /* save the registers used */
- for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
- if (bitVectBitValue(sym->regsUsed,i) ||
+ if (IFFUNC_ISCRITICAL(sym->type))
+ pic14_emitcode("setb","ea");
+
+ if (IFFUNC_CALLEESAVES(sym->type)) {
+ int i;
+
+ /* if any registers used */
+ if (sym->regsUsed) {
+ /* save the registers used */
+ for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
+ if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- emitcode("pop","%s",pic14_regWithIdx(i)->dname);
- }
- }
+ pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ }
+ }
+
+ }
- }
+ /* if debug then send end of function */
+ if (currFunc) {
+ _G.debugLine = 1;
+ pic14_emitcode(";","C$%s$%d$%d$%d ==.",
+ FileBaseName(ic->filename),currFunc->lastLine,
+ ic->level,ic->block);
+ if (IS_STATIC(currFunc->etype))
+ pic14_emitcode(";","XF%s$%s$0$0 ==.",moduleName,currFunc->name);
+ else
+ pic14_emitcode(";","XG$%s$0$0 ==.",currFunc->name);
+ _G.debugLine = 0;
+ }
- /* if debug then send end of function */
- if (currFunc) {
- _G.debugLine = 1;
- emitcode(";","C$%s$%d$%d$%d ==.",
- ic->filename,currFunc->lastLine,
- ic->level,ic->block);
- if (IS_STATIC(currFunc->etype))
- emitcode(";","XF%s$%s$0$0 ==.",moduleName,currFunc->name);
- else
- emitcode(";","XG$%s$0$0 ==.",currFunc->name);
- _G.debugLine = 0;
- }
+ pic14_emitcode ("return","");
+ emitpcodeNULLop(POC_RETURN);
- emitcode ("return","");
+ /* Mark the end of a function */
+ addpCode2pBlock(pb,newpCodeFunction(NULL,NULL));
}
}
/*-----------------------------------------------------------------*/
static void genRet (iCode *ic)
{
- int size,offset = 0 , pushed = 0;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if we have no return value then
- just generate the "ret" */
- if (!IC_LEFT(ic))
- goto jumpret;
-
- /* we have something to return then
- move the return value into place */
- aopOp(IC_LEFT(ic),ic,FALSE);
- size = AOP_SIZE(IC_LEFT(ic));
-
- while (size--) {
- char *l ;
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) {
- /* #NOCHANGE */
- l = aopGet(AOP(IC_LEFT(ic)),offset++,
- FALSE,TRUE);
- emitcode("push","%s",l);
- pushed++;
- } else {
- l = aopGet(AOP(IC_LEFT(ic)),offset,
- FALSE,FALSE);
- if (strcmp(fReturn[offset],l)) {
- if( ( (AOP(IC_LEFT(ic))->type) == AOP_IMMD) ||
- ((AOP(IC_LEFT(ic))->type) == AOP_LIT) )
- emitcode("movlw","%s",l);
- else
- emitcode("movf","%s,w",l);
- if(size)
- emitcode("movwf","%s",fReturn[offset]);
- offset++;
- }
+ int size,offset = 0 , pushed = 0;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* if we have no return value then
+ just generate the "ret" */
+ if (!IC_LEFT(ic))
+ goto jumpret;
+
+ /* we have something to return then
+ move the return value into place */
+ aopOp(IC_LEFT(ic),ic,FALSE);
+ size = AOP_SIZE(IC_LEFT(ic));
+
+ while (size--) {
+ char *l ;
+ if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) {
+ /* #NOCHANGE */
+ l = aopGet(AOP(IC_LEFT(ic)),offset++,
+ FALSE,TRUE);
+ pic14_emitcode("push","%s",l);
+ pushed++;
+ } else {
+ l = aopGet(AOP(IC_LEFT(ic)),offset,
+ FALSE,FALSE);
+ if (strcmp(fReturn[offset],l)) {
+ if( ( (AOP(IC_LEFT(ic))->type) == AOP_IMMD) ||
+ ((AOP(IC_LEFT(ic))->type) == AOP_LIT) ) {
+ emitpcode(POC_MOVLW, popGet(AOP(IC_LEFT(ic)),offset));
+ }else {
+ emitpcode(POC_MOVFW, popGet(AOP(IC_LEFT(ic)),offset));
+ }
+ if(size) {
+ emitpcode(POC_MOVWF,popRegFromIdx(offset + Gstack_base_addr));
+ pic14_emitcode("movwf","%s",fReturn[offset]);
+ }
+ offset++;
}
}
+ }
- if (pushed) {
- while(pushed) {
+ if (pushed) {
+ while(pushed) {
pushed--;
if (strcmp(fReturn[pushed],"a"))
- emitcode("pop",fReturn[pushed]);
+ pic14_emitcode("pop",fReturn[pushed]);
else
- emitcode("pop","acc");
- }
+ pic14_emitcode("pop","acc");
}
- freeAsmop (IC_LEFT(ic),NULL,ic,TRUE);
-
+ }
+ freeAsmop (IC_LEFT(ic),NULL,ic,TRUE);
+
jumpret:
/* generate a jump to the return label
if the next is not the return statement */
- if (!(ic->next && ic->next->op == LABEL &&
- IC_LABEL(ic->next) == returnLabel))
-
- emitcode("goto","_%05d_DS_",returnLabel->key+100 + labelOffset);
-
+ if (!(ic->next && ic->next->op == LABEL &&
+ IC_LABEL(ic->next) == returnLabel)) {
+
+ emitpcode(POC_GOTO,popGetLabel(returnLabel->key));
+ pic14_emitcode("goto","_%05d_DS_",returnLabel->key+100 + labelOffset);
+ }
+
}
/*-----------------------------------------------------------------*/
static void genLabel (iCode *ic)
{
/* special case never generate */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (IC_LABEL(ic) == entryLabel)
return ;
- emitcode("","_%05d_DS_:",(IC_LABEL(ic)->key+100 + labelOffset));
+ emitpLabel(IC_LABEL(ic)->key);
+ pic14_emitcode("","_%05d_DS_:",(IC_LABEL(ic)->key+100 + labelOffset));
}
/*-----------------------------------------------------------------*/
//tsd
static void genGoto (iCode *ic)
{
- emitcode ("goto","_%05d_DS_",(IC_LABEL(ic)->key+100)+labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(IC_LABEL(ic)->key));
+ pic14_emitcode ("goto","_%05d_DS_",(IC_LABEL(ic)->key+100)+labelOffset);
}
+
/*-----------------------------------------------------------------*/
-/* findLabelBackwards: walks back through the iCode chain looking */
-/* for the given label. Returns number of iCode instructions */
-/* between that label and given ic. */
-/* Returns zero if label not found. */
+/* genMultbits :- multiplication of bits */
/*-----------------------------------------------------------------*/
-#if 0
-static int findLabelBackwards(iCode *ic, int key)
+static void genMultbits (operand *left,
+ operand *right,
+ operand *result)
{
- int count = 0;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (ic->prev)
- {
- ic = ic->prev;
- count++;
+ if(!pic14_sameRegs(AOP(result),AOP(right)))
+ emitpcode(POC_BSF, popGet(AOP(result),0));
- if (ic->op == LABEL && IC_LABEL(ic)->key == key)
- {
- /* printf("findLabelBackwards = %d\n", count); */
- return count;
- }
- }
+ emitpcode(POC_BTFSC,popGet(AOP(right),0));
+ emitpcode(POC_BTFSS,popGet(AOP(left),0));
+ emitpcode(POC_BCF, popGet(AOP(result),0));
- return 0;
}
-#endif
+
+
/*-----------------------------------------------------------------*/
-/* genPlusIncr :- does addition with increment if possible */
+/* genMultOneByte : 8 bit multiplication & division */
/*-----------------------------------------------------------------*/
-static bool genPlusIncr (iCode *ic)
+static void genMultOneByte (operand *left,
+ operand *right,
+ operand *result)
{
- unsigned int icount ;
- unsigned int size = getDataSize(IC_RESULT(ic));
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- DEBUGemitcode ("; ","result %d, left %d, right %d",
- AOP_TYPE(IC_RESULT(ic)),
- AOP_TYPE(IC_LEFT(ic)),
- AOP_TYPE(IC_RIGHT(ic)));
+ sym_link *opetype = operandType(result);
+ char *l ;
+ symbol *lbl ;
+ int size,offset;
- /* will try to generate an increment */
- /* if the right side is not a literal
- we cannot */
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT)
- return FALSE ;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
- DEBUGemitcode ("; ","%s %d",__FUNCTION__,__LINE__);
- /* if the literal value of the right hand side
- is greater than 1 then it is faster to add */
- if ((icount = floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit)) > 2)
- return FALSE ;
+ /* (if two literals, the value is computed before) */
+ /* if one literal, literal on the right */
+ if (AOP_TYPE(left) == AOP_LIT){
+ operand *t = right;
+ right = left;
+ left = t;
+ }
- /* if increment 16 bits in register */
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) &&
- (icount == 1)) {
+ size = AOP_SIZE(result);
+ /* signed or unsigned */
+ pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
+ l = aopGet(AOP(left),0,FALSE,FALSE);
+ MOVA(l);
+ pic14_emitcode("mul","ab");
+ /* if result size = 1, mul signed = mul unsigned */
+ aopPut(AOP(result),"a",0);
+ if (size > 1){
+ if (SPEC_USIGN(opetype)){
+ aopPut(AOP(result),"b",1);
+ if (size > 2)
+ /* for filling the MSBs */
+ pic14_emitcode("clr","a");
+ }
+ else{
+ pic14_emitcode("mov","a,b");
- int offset = MSB16;
+ /* adjust the MSB if left or right neg */
- emitcode("incf","%s,f",aopGet(AOP(IC_RESULT(ic)),LSB,FALSE,FALSE));
+ /* if one literal */
+ if (AOP_TYPE(right) == AOP_LIT){
+ /* AND literal negative */
+ if((int) floatFromVal (AOP(right)->aopu.aop_lit) < 0){
+ /* adjust MSB (c==0 after mul) */
+ pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
+ }
+ }
+ else{
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ pic14_emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100));
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("jc","%05d_DS_",(lbl->key+100));
+ pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
+ }
- while(--size) {
- emitSKPNZ;
- emitcode(" incf","%s,f",aopGet(AOP(IC_RESULT(ic)),offset++,FALSE,FALSE));
- }
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE));
+ pic14_emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100));
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE));
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("jc","%05d_DS_",(lbl->key+100));
+ pic14_emitcode("subb","a,%s", aopGet(AOP(right),0,FALSE,FALSE));
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
- return TRUE;
+ aopPut(AOP(result),"a",1);
+ if(size > 2){
+ /* get the sign */
+ pic14_emitcode("rlc","a");
+ pic14_emitcode("subb","a,acc");
+ }
+ }
+ size -= 2;
+ offset = 2;
+ if (size > 0)
+ while (size--)
+ aopPut(AOP(result),"a",offset++);
}
+}
- DEBUGemitcode ("; ","%s %d",__FUNCTION__,__LINE__);
- /* if left is in accumulator - probably a bit operation*/
- if( strcmp(aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE),"a") &&
- (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY) ) {
+/*-----------------------------------------------------------------*/
+/* genMult - generates code for multiplication */
+/*-----------------------------------------------------------------*/
+static void genMult (iCode *ic)
+{
+ operand *left = IC_LEFT(ic);
+ operand *right = IC_RIGHT(ic);
+ operand *result= IC_RESULT(ic);
- emitcode("bcf","(%s >> 3), (%s & 7)",
- AOP(IC_RESULT(ic))->aopu.aop_dir,
- AOP(IC_RESULT(ic))->aopu.aop_dir);
- if(icount)
- emitcode("xorlw","1");
- else
- emitcode("andlw","1");
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign the amsops */
+ aopOp (left,ic,FALSE);
+ aopOp (right,ic,FALSE);
+ aopOp (result,ic,TRUE);
- emitSKPZ;
- emitcode("bsf","(%s >> 3), (%s & 7)",
- AOP(IC_RESULT(ic))->aopu.aop_dir,
- AOP(IC_RESULT(ic))->aopu.aop_dir);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
- return TRUE;
+ /* special cases first */
+ /* both are bits */
+ if (AOP_TYPE(left) == AOP_CRY &&
+ AOP_TYPE(right)== AOP_CRY) {
+ genMultbits(left,right,result);
+ goto release ;
}
+ /* if both are of size == 1 */
+ if (AOP_SIZE(left) == 1 &&
+ AOP_SIZE(right) == 1 ) {
+ genMultOneByte(left,right,result);
+ goto release ;
+ }
+ /* should have been converted to function call */
+ assert(0) ;
- /* if the sizes are greater than 1 then we cannot */
- if (AOP_SIZE(IC_RESULT(ic)) > 1 ||
- AOP_SIZE(IC_LEFT(ic)) > 1 )
- return FALSE ;
+release :
+ freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(result,NULL,ic,TRUE);
+}
- /* If we are incrementing the same register by two: */
+/*-----------------------------------------------------------------*/
+/* genDivbits :- division of bits */
+/*-----------------------------------------------------------------*/
+static void genDivbits (operand *left,
+ operand *right,
+ operand *result)
+{
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) ) {
+ char *l;
- while (icount--)
- emitcode("incf","%s,f",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* the result must be bit */
+ pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ l = aopGet(AOP(left),0,FALSE,FALSE);
- return TRUE ;
- }
+ MOVA(l);
- DEBUGemitcode ("; ","couldn't increment result-%s left-%s",
- aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE),
- aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- return FALSE ;
+ pic14_emitcode("div","ab");
+ pic14_emitcode("rrc","a");
+ aopPut(AOP(result),"c",0);
}
/*-----------------------------------------------------------------*/
-/* outBitAcc - output a bit in acc */
+/* genDivOneByte : 8 bit division */
/*-----------------------------------------------------------------*/
-static void outBitAcc(operand *result)
+static void genDivOneByte (operand *left,
+ operand *right,
+ operand *result)
{
- symbol *tlbl = newiTempLabel(NULL);
- /* if the result is a bit */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ sym_link *opetype = operandType(result);
+ char *l ;
+ symbol *lbl ;
+ int size,offset;
- if (AOP_TYPE(result) == AOP_CRY){
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ size = AOP_SIZE(result) - 1;
+ offset = 1;
+ /* signed or unsigned */
+ if (SPEC_USIGN(opetype)) {
+ /* unsigned is easy */
+ pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
+ l = aopGet(AOP(left),0,FALSE,FALSE);
+ MOVA(l);
+ pic14_emitcode("div","ab");
aopPut(AOP(result),"a",0);
+ while (size--)
+ aopPut(AOP(result),zero,offset++);
+ return ;
}
- else {
- emitcode("jz","%05d_DS_",tlbl->key+100);
- emitcode("mov","a,%s",one);
- emitcode("","%05d_DS_:",tlbl->key+100);
- outAcc(result);
- }
-}
-/*-----------------------------------------------------------------*/
-/* genPlusBits - generates code for addition of two bits */
-/*-----------------------------------------------------------------*/
-static void genPlusBits (iCode *ic)
-{
+ /* signed is a little bit more difficult */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /*
- The following block of code will add two bits.
- Note that it'll even work if the destination is
- the carry (C in the status register).
- It won't work if the 'Z' bit is a source or destination.
- */
+ /* save the signs of the operands */
+ l = aopGet(AOP(left),0,FALSE,FALSE);
+ MOVA(l);
+ pic14_emitcode("xrl","a,%s",aopGet(AOP(right),0,FALSE,TRUE));
+ pic14_emitcode("push","acc"); /* save it on the stack */
- /* If the result is stored in the accumulator (w) */
- if(strcmp(aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE),"a") == 0 ) {
- emitcode("movlw","(1 << (%s & 7))",
- AOP(IC_RESULT(ic))->aopu.aop_dir,
- AOP(IC_RESULT(ic))->aopu.aop_dir);
- emitcode("bcf","(%s >> 3), (%s & 7)",
- AOP(IC_RESULT(ic))->aopu.aop_dir,
- AOP(IC_RESULT(ic))->aopu.aop_dir);
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode("xorwf","(%s >>3),f",
- AOP(IC_RESULT(ic))->aopu.aop_dir);
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_LEFT(ic))->aopu.aop_dir,
- AOP(IC_LEFT(ic))->aopu.aop_dir);
- emitcode("xorwf","(%s>>3),f",
- AOP(IC_RESULT(ic))->aopu.aop_dir);
- } else {
+ /* now sign adjust for both left & right */
+ l = aopGet(AOP(right),0,FALSE,FALSE);
+ MOVA(l);
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("cpl","a");
+ pic14_emitcode("inc","a");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("mov","b,a");
- emitcode("clrw","");
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode("xorlw","1");
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_LEFT(ic))->aopu.aop_dir,
- AOP(IC_LEFT(ic))->aopu.aop_dir);
- emitcode("xorlw","1");
- }
+ /* sign adjust left side */
+ l = aopGet(AOP(left),0,FALSE,FALSE);
+ MOVA(l);
-}
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("cpl","a");
+ pic14_emitcode("inc","a");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
-#if 0
-/* This is the original version of this code.
- *
- * This is being kept around for reference,
- * because I am not entirely sure I got it right...
- */
-static void adjustArithmeticResult(iCode *ic)
-{
- if (AOP_SIZE(IC_RESULT(ic)) == 3 &&
- AOP_SIZE(IC_LEFT(ic)) == 3 &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))))
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_LEFT(ic)),2,FALSE,FALSE),
- 2);
-
- if (AOP_SIZE(IC_RESULT(ic)) == 3 &&
- AOP_SIZE(IC_RIGHT(ic)) == 3 &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic))))
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_RIGHT(ic)),2,FALSE,FALSE),
- 2);
-
- if (AOP_SIZE(IC_RESULT(ic)) == 3 &&
- AOP_SIZE(IC_LEFT(ic)) < 3 &&
- AOP_SIZE(IC_RIGHT(ic)) < 3 &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic)))) {
- char buffer[5];
- sprintf(buffer,"#%d",pointerCode(getSpec(operandType(IC_LEFT(ic)))));
- aopPut(AOP(IC_RESULT(ic)),buffer,2);
- }
-}
-//#else
-/* This is the pure and virtuous version of this code.
- * I'm pretty certain it's right, but not enough to toss the old
- * code just yet...
- */
-static void adjustArithmeticResult(iCode *ic)
-{
- if (opIsGptr(IC_RESULT(ic)) &&
- opIsGptr(IC_LEFT(ic)) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))))
- {
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_LEFT(ic)), GPTRSIZE - 1,FALSE,FALSE),
- GPTRSIZE - 1);
- }
+ /* now the division */
+ pic14_emitcode("div","ab");
+ /* we are interested in the lower order
+ only */
+ pic14_emitcode("mov","b,a");
+ lbl = newiTempLabel(NULL);
+ pic14_emitcode("pop","acc");
+ /* if there was an over flow we don't
+ adjust the sign of the result */
+ pic14_emitcode("jb","ov,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
+ CLRC;
+ pic14_emitcode("clr","a");
+ pic14_emitcode("subb","a,b");
+ pic14_emitcode("mov","b,a");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
- if (opIsGptr(IC_RESULT(ic)) &&
- opIsGptr(IC_RIGHT(ic)) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic))))
- {
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_RIGHT(ic)),GPTRSIZE - 1,FALSE,FALSE),
- GPTRSIZE - 1);
+ /* now we are done */
+ aopPut(AOP(result),"b",0);
+ if(size > 0){
+ pic14_emitcode("mov","c,b.7");
+ pic14_emitcode("subb","a,acc");
}
+ while (size--)
+ aopPut(AOP(result),"a",offset++);
- if (opIsGptr(IC_RESULT(ic)) &&
- AOP_SIZE(IC_LEFT(ic)) < GPTRSIZE &&
- AOP_SIZE(IC_RIGHT(ic)) < GPTRSIZE &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic)))) {
- char buffer[5];
- sprintf(buffer,"#%d",pointerCode(getSpec(operandType(IC_LEFT(ic)))));
- aopPut(AOP(IC_RESULT(ic)),buffer,GPTRSIZE - 1);
- }
}
-#endif
/*-----------------------------------------------------------------*/
-/* genPlus - generates code for addition */
+/* genDiv - generates code for division */
/*-----------------------------------------------------------------*/
-static void genPlus (iCode *ic)
+static void genDiv (iCode *ic)
{
- int size, offset = 0;
-
- /* special cases :- */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ operand *left = IC_LEFT(ic);
+ operand *right = IC_RIGHT(ic);
+ operand *result= IC_RESULT(ic);
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RIGHT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
-
- /* if literal, literal on the right or
- if left requires ACC or right is already
- in ACC */
-
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) {
- operand *t = IC_RIGHT(ic);
- IC_RIGHT(ic) = IC_LEFT(ic);
- IC_LEFT(ic) = t;
- }
-
- /* if both left & right are in bit space */
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_RIGHT(ic)) == AOP_CRY) {
- genPlusBits (ic);
- goto release ;
- }
-
- /* if left in bit space & right literal */
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_RIGHT(ic)) == AOP_LIT) {
- /* if result in bit space */
- if(AOP_TYPE(IC_RESULT(ic)) == AOP_CRY){
- if((unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit) != 0L) {
- emitcode("movlw","(1 << (%s & 7)) ;%d",AOP(IC_RESULT(ic))->aopu.aop_dir,__LINE__);
- if (!sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) )
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_LEFT(ic))->aopu.aop_dir,
- AOP(IC_LEFT(ic))->aopu.aop_dir);
-
- emitcode("xorwf","(%s>>3),f",AOP(IC_RESULT(ic))->aopu.aop_dir);
- }
- } else {
- size = getDataSize(IC_RESULT(ic));
- while (size--) {
- MOVA(aopGet(AOP(IC_RIGHT(ic)),offset,FALSE,FALSE));
- emitcode("addc","a,#00 ;%d",__LINE__);
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
- }
- }
- goto release ;
- }
-
- /* if I can do an increment instead
- of add then GOOD for ME */
- if (genPlusIncr (ic) == TRUE)
- goto release;
-
- size = getDataSize(IC_RESULT(ic));
-
- if(AOP(IC_RIGHT(ic))->type == AOP_LIT) {
- /* Add a literal to something else */
- bool know_W=0;
- unsigned lit = floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
- unsigned l1=0;
-
- offset = 0;
- DEBUGemitcode(";","adding lit to something. size %d",size);
- while(size--){
-
- DEBUGemitcode(";","size %d",size);
-
- switch (lit & 0xff) {
- case 0:
- break;
- case 1:
- if(sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))))
- emitcode("incf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- else {
- know_W = 0;
- emitcode("incf","%s,w", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- if(AOP_TYPE(IC_RESULT(ic)) != AOP_ACC)
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),offset,FALSE,FALSE));
- }
- break;
- case 0xff:
- if(sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))))
- emitcode("decf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- else {
- know_W = 0;
- emitcode("decf","%s,w", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- if(AOP_TYPE(IC_RESULT(ic)) != AOP_ACC)
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),offset,FALSE,FALSE));
- }
- break;
- default:
- if( !know_W || ( (lit&0xff) != l1) ) {
- know_W = 1;
- emitcode("movlw","0x%x", lit&0xff);
- }
- if(sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))))
- emitcode("addwf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- else {
- know_W = 0;
- emitcode("addwf","%s,w", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),offset,FALSE,FALSE));
- if(size) {
- emitSKPNC;
- emitcode("incf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset+1,FALSE,FALSE));
- }
- }
- }
-
- l1 = lit & 0xff;
- lit >>= 8;
- offset++;
- }
-
- } else if(AOP_TYPE(IC_RIGHT(ic)) == AOP_CRY) {
-
- emitcode(";bitadd","right is bit: %s",aopGet(AOP(IC_RIGHT(ic)),0,FALSE,FALSE));
- emitcode(";bitadd","left is bit: %s",aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- emitcode(";bitadd","result is bit: %s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
-
- /* here we are adding a bit to a char or int */
- if(size == 1) {
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) ) {
-
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode(" incf","%s,f", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- } else {
-
- if(AOP_TYPE(IC_LEFT(ic)) == AOP_ACC) {
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode(" xorlw","1");
- } else {
- emitcode("movf","%s,w", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode(" incf","%s,w", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- }
-
- if(AOP_TYPE(IC_RESULT(ic)) != AOP_ACC) {
-
- if(AOP_TYPE(IC_RESULT(ic)) == AOP_CRY) {
- emitcode("andlw","1");
- emitcode("bcf","(%s >> 3), (%s & 7)",
- AOP(IC_RESULT(ic))->aopu.aop_dir,
- AOP(IC_RESULT(ic))->aopu.aop_dir);
- emitSKPZ;
- emitcode("bsf","(%s >> 3), (%s & 7)",
- AOP(IC_RESULT(ic))->aopu.aop_dir,
- AOP(IC_RESULT(ic))->aopu.aop_dir);
-
- } else
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- }
- }
-
- } else {
- int offset = 1;
-
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) ) {
- emitcode("clrz","");
-
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode(" incf","%s,f", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
-
- } else {
-
- emitcode("movf","%s,w", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(ic))->aopu.aop_dir,
- AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode(" incf","%s,w", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
-
- }
-
- while(--size){
- emitSKPZ;
- emitcode(" incf","%s,f", aopGet(AOP(IC_RIGHT(ic)),offset++,FALSE,FALSE));
- }
-
- }
-
- } else {
-
- if(strcmp(aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE),"a") == 0 ) {
- emitcode("addwf","%s,w", aopGet(AOP(IC_RIGHT(ic)),0,FALSE,FALSE));
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- } else {
- //if ( (AOP_TYPE(IC_LEFT(ic)) == AOP_ACC) || (AOP_TYPE(IC_RESULT(ic)) == AOP_ACC) )
- if ( AOP_TYPE(IC_LEFT(ic)) == AOP_ACC) {
- emitcode("addwf","%s,w", aopGet(AOP(IC_RIGHT(ic)),0,FALSE,FALSE));
- if ( AOP_TYPE(IC_RESULT(ic)) != AOP_ACC)
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- } else {
-
- emitcode("movf","%s,w", aopGet(AOP(IC_RIGHT(ic)),0,FALSE,FALSE));
-
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) )
- emitcode("addwf","%s,f", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- else {
- if( (AOP_TYPE(IC_LEFT(ic)) == AOP_IMMD) ||
- (AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) ) {
- emitcode("addlw","%s", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- } else {
- emitcode("addwf","%s,w", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- if ( AOP_TYPE(IC_RESULT(ic)) != AOP_ACC)
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- }
- }
- }
- }
-
- offset = 1;
- size--;
-
- while(size--){
- if (!sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) ) {
- emitcode("movf","%s,w", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(ic)),offset,FALSE,FALSE));
- }
- emitcode("movf","%s,w", aopGet(AOP(IC_RIGHT(ic)),offset,FALSE,FALSE));
- emitSKPNC;
- emitcode("incfsz","%s,w",aopGet(AOP(IC_RIGHT(ic)),offset,FALSE,FALSE));
- emitcode("addwf","%s,f", aopGet(AOP(IC_RESULT(ic)),offset,FALSE,FALSE));
-
- }
-
- }
-
- //adjustArithmeticResult(ic);
-
- release:
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RIGHT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
-}
-
-/*-----------------------------------------------------------------*/
-/* genMinusDec :- does subtraction with decrement if possible */
-/*-----------------------------------------------------------------*/
-static bool genMinusDec (iCode *ic)
-{
- unsigned int icount ;
- unsigned int size = getDataSize(IC_RESULT(ic));
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* will try to generate an increment */
- /* if the right side is not a literal
- we cannot */
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT)
- return FALSE ;
-
- DEBUGemitcode ("; lit val","%d",(unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
-
- /* if the literal value of the right hand side
- is greater than 4 then it is not worth it */
- if ((icount = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit)) > 2)
- return FALSE ;
-
- /* if decrement 16 bits in register */
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) &&
- (size > 1) &&
- (icount == 1)) {
-
- if(size == 2) {
- emitcode("decf","%s,f",aopGet(AOP(IC_RESULT(ic)),LSB,FALSE,FALSE));
- emitcode("incfsz","%s,w",aopGet(AOP(IC_RESULT(ic)),LSB,FALSE,FALSE));
- emitcode(" decf","%s,f",aopGet(AOP(IC_RESULT(ic)),MSB16,FALSE,FALSE));
- } else {
- /* size is 3 or 4 */
- emitcode("movlw","0xff");
- emitcode("addwf","%s,f",aopGet(AOP(IC_RESULT(ic)),LSB,FALSE,FALSE));
-
- emitSKPNC;
- emitcode("addwf","%s,f",aopGet(AOP(IC_RESULT(ic)),MSB16,FALSE,FALSE));
- emitSKPNC;
- emitcode("addwf","%s,f",aopGet(AOP(IC_RESULT(ic)),MSB24,FALSE,FALSE));
-
- if(size > 3) {
- emitcode("skpnc","");
- emitSKPNC;
- emitcode("addwf","%s,f",aopGet(AOP(IC_RESULT(ic)),MSB32,FALSE,FALSE));
- }
-
- }
-
- return TRUE;
-
- }
-
- /* if the sizes are greater than 1 then we cannot */
- if (AOP_SIZE(IC_RESULT(ic)) > 1 ||
- AOP_SIZE(IC_LEFT(ic)) > 1 )
- return FALSE ;
-
- /* we can if the aops of the left & result match or
- if they are in registers and the registers are the
- same */
- if (sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic)))) {
-
- while (icount--)
- emitcode ("decf","%s,f",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
-
- return TRUE ;
- }
-
- DEBUGemitcode ("; returning"," result=%s, left=%s",
- aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE),
- aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- if(size==1) {
- emitcode("decf","%s,w",aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
- emitcode("movwf","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- return TRUE;
- }
-
- return FALSE ;
-}
-
-/*-----------------------------------------------------------------*/
-/* addSign - complete with sign */
-/*-----------------------------------------------------------------*/
-static void addSign(operand *result, int offset, int sign)
-{
- int size = (getDataSize(result) - offset);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(size > 0){
- if(sign){
- emitcode("rlc","a");
- emitcode("subb","a,acc");
- while(size--)
- aopPut(AOP(result),"a",offset++);
- } else
- while(size--)
- aopPut(AOP(result),zero,offset++);
- }
-}
-
-/*-----------------------------------------------------------------*/
-/* genMinusBits - generates code for subtraction of two bits */
-/*-----------------------------------------------------------------*/
-static void genMinusBits (iCode *ic)
-{
- symbol *lbl = newiTempLabel(NULL);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY){
- emitcode("mov","c,%s",AOP(IC_LEFT(ic))->aopu.aop_dir);
- emitcode("jnb","%s,%05d_DS_",AOP(IC_RIGHT(ic))->aopu.aop_dir,(lbl->key+100));
- emitcode("cpl","c");
- emitcode("","%05d_DS_:",(lbl->key+100));
- outBitC(IC_RESULT(ic));
- }
- else{
- emitcode("mov","c,%s",AOP(IC_RIGHT(ic))->aopu.aop_dir);
- emitcode("subb","a,acc");
- emitcode("jnb","%s,%05d_DS_",AOP(IC_LEFT(ic))->aopu.aop_dir,(lbl->key+100));
- emitcode("inc","a");
- emitcode("","%05d_DS_:",(lbl->key+100));
- aopPut(AOP(IC_RESULT(ic)),"a",0);
- addSign(IC_RESULT(ic), MSB16, SPEC_USIGN(getSpec(operandType(IC_RESULT(ic)))));
- }
-}
-
-/*-----------------------------------------------------------------*/
-/* genMinus - generates code for subtraction */
-/*-----------------------------------------------------------------*/
-static void genMinus (iCode *ic)
-{
- int size, offset = 0;
- unsigned long lit = 0L;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RIGHT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
-
- /* special cases :- */
- /* if both left & right are in bit space */
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_RIGHT(ic)) == AOP_CRY) {
- genMinusBits (ic);
- goto release ;
- }
-
- /* if I can do an decrement instead
- of subtract then GOOD for ME */
- if (genMinusDec (ic) == TRUE)
- goto release;
-
- size = getDataSize(IC_RESULT(ic));
-
- if(AOP(IC_RIGHT(ic))->type == AOP_LIT) {
- /* Add a literal to something else */
-
- lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
- lit = - (long)lit;
-
- /* add the first byte: */
- emitcode("movlw","0x%x", lit & 0xff);
- emitcode("addwf","%s,f", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
-
- offset = 1;
- size--;
-
- while(size--){
-
- emitcode("rlf","_known_zero,w");
- emitcode("addwf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
-
- lit >>= 8;
- if(lit & 0xff) {
- emitcode("movlw","0x%x", lit & 0xff);
- emitcode("addwf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
-
- }
- offset++;
- }
-
- } else {
-
- emitcode("movf","%s", aopGet(AOP(IC_RIGHT(ic)),0,FALSE,FALSE));
- emitcode("subwf","%s,f", aopGet(AOP(IC_LEFT(ic)),0,FALSE,FALSE));
-
- offset = 1;
- size--;
-
- while(size--){
- emitcode("movf","%s,w", aopGet(AOP(IC_RIGHT(ic)),offset,FALSE,FALSE));
- emitSKPNC;
- emitcode("incfsz","%s,w",aopGet(AOP(IC_RIGHT(ic)),offset,FALSE,FALSE));
- emitcode("subwf","%s,f", aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE));
-
- }
-
- }
-
-
- // adjustArithmeticResult(ic);
-
-release:
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RIGHT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
-}
-
-
-/*-----------------------------------------------------------------*/
-/* genMultbits :- multiplication of bits */
-/*-----------------------------------------------------------------*/
-static void genMultbits (operand *left,
- operand *right,
- operand *result)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
-
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("anl","c,%s",AOP(right)->aopu.aop_dir);
- outBitC(result);
-}
-
-
-/*-----------------------------------------------------------------*/
-/* genMultOneByte : 8 bit multiplication & division */
-/*-----------------------------------------------------------------*/
-static void genMultOneByte (operand *left,
- operand *right,
- operand *result)
-{
- sym_link *opetype = operandType(result);
- char *l ;
- symbol *lbl ;
- int size,offset;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* (if two literals, the value is computed before) */
- /* if one literal, literal on the right */
- if (AOP_TYPE(left) == AOP_LIT){
- operand *t = right;
- right = left;
- left = t;
- }
-
- size = AOP_SIZE(result);
- /* signed or unsigned */
- emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- emitcode("mul","ab");
- /* if result size = 1, mul signed = mul unsigned */
- aopPut(AOP(result),"a",0);
- if (size > 1){
- if (SPEC_USIGN(opetype)){
- aopPut(AOP(result),"b",1);
- if (size > 2)
- /* for filling the MSBs */
- emitcode("clr","a");
- }
- else{
- emitcode("mov","a,b");
-
- /* adjust the MSB if left or right neg */
-
- /* if one literal */
- if (AOP_TYPE(right) == AOP_LIT){
- /* AND literal negative */
- if((int) floatFromVal (AOP(right)->aopu.aop_lit) < 0){
- /* adjust MSB (c==0 after mul) */
- emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
- }
- }
- else{
- lbl = newiTempLabel(NULL);
- emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
- emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100));
- emitcode("","%05d_DS_:",(lbl->key+100));
- emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
- lbl = newiTempLabel(NULL);
- emitcode("jc","%05d_DS_",(lbl->key+100));
- emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
- emitcode("","%05d_DS_:",(lbl->key+100));
- }
-
- lbl = newiTempLabel(NULL);
- emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE));
- emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100));
- emitcode("","%05d_DS_:",(lbl->key+100));
- emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE));
- lbl = newiTempLabel(NULL);
- emitcode("jc","%05d_DS_",(lbl->key+100));
- emitcode("subb","a,%s", aopGet(AOP(right),0,FALSE,FALSE));
- emitcode("","%05d_DS_:",(lbl->key+100));
-
- aopPut(AOP(result),"a",1);
- if(size > 2){
- /* get the sign */
- emitcode("rlc","a");
- emitcode("subb","a,acc");
- }
- }
- size -= 2;
- offset = 2;
- if (size > 0)
- while (size--)
- aopPut(AOP(result),"a",offset++);
- }
-}
-
-/*-----------------------------------------------------------------*/
-/* genMult - generates code for multiplication */
-/*-----------------------------------------------------------------*/
-static void genMult (iCode *ic)
-{
- operand *left = IC_LEFT(ic);
- operand *right = IC_RIGHT(ic);
- operand *result= IC_RESULT(ic);
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign the amsops */
- aopOp (left,ic,FALSE);
- aopOp (right,ic,FALSE);
- aopOp (result,ic,TRUE);
-
- /* special cases first */
- /* both are bits */
- if (AOP_TYPE(left) == AOP_CRY &&
- AOP_TYPE(right)== AOP_CRY) {
- genMultbits(left,right,result);
- goto release ;
- }
-
- /* if both are of size == 1 */
- if (AOP_SIZE(left) == 1 &&
- AOP_SIZE(right) == 1 ) {
- genMultOneByte(left,right,result);
- goto release ;
- }
-
- /* should have been converted to function call */
- assert(1) ;
-
-release :
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
-}
-
-/*-----------------------------------------------------------------*/
-/* genDivbits :- division of bits */
-/*-----------------------------------------------------------------*/
-static void genDivbits (operand *left,
- operand *right,
- operand *result)
-{
-
- char *l;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* the result must be bit */
- emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
- l = aopGet(AOP(left),0,FALSE,FALSE);
-
- MOVA(l);
-
- emitcode("div","ab");
- emitcode("rrc","a");
- aopPut(AOP(result),"c",0);
-}
-
-/*-----------------------------------------------------------------*/
-/* genDivOneByte : 8 bit division */
-/*-----------------------------------------------------------------*/
-static void genDivOneByte (operand *left,
- operand *right,
- operand *result)
-{
- sym_link *opetype = operandType(result);
- char *l ;
- symbol *lbl ;
- int size,offset;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- size = AOP_SIZE(result) - 1;
- offset = 1;
- /* signed or unsigned */
- if (SPEC_USIGN(opetype)) {
- /* unsigned is easy */
- emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- emitcode("div","ab");
- aopPut(AOP(result),"a",0);
- while (size--)
- aopPut(AOP(result),zero,offset++);
- return ;
- }
-
- /* signed is a little bit more difficult */
-
- /* save the signs of the operands */
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- emitcode("xrl","a,%s",aopGet(AOP(right),0,FALSE,TRUE));
- emitcode("push","acc"); /* save it on the stack */
-
- /* now sign adjust for both left & right */
- l = aopGet(AOP(right),0,FALSE,FALSE);
- MOVA(l);
- lbl = newiTempLabel(NULL);
- emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
- emitcode("cpl","a");
- emitcode("inc","a");
- emitcode("","%05d_DS_:",(lbl->key+100));
- emitcode("mov","b,a");
-
- /* sign adjust left side */
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
-
- lbl = newiTempLabel(NULL);
- emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
- emitcode("cpl","a");
- emitcode("inc","a");
- emitcode("","%05d_DS_:",(lbl->key+100));
-
- /* now the division */
- emitcode("div","ab");
- /* we are interested in the lower order
- only */
- emitcode("mov","b,a");
- lbl = newiTempLabel(NULL);
- emitcode("pop","acc");
- /* if there was an over flow we don't
- adjust the sign of the result */
- emitcode("jb","ov,%05d_DS_",(lbl->key+100));
- emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
- CLRC;
- emitcode("clr","a");
- emitcode("subb","a,b");
- emitcode("mov","b,a");
- emitcode("","%05d_DS_:",(lbl->key+100));
-
- /* now we are done */
- aopPut(AOP(result),"b",0);
- if(size > 0){
- emitcode("mov","c,b.7");
- emitcode("subb","a,acc");
- }
- while (size--)
- aopPut(AOP(result),"a",offset++);
-
-}
-
-/*-----------------------------------------------------------------*/
-/* genDiv - generates code for division */
-/*-----------------------------------------------------------------*/
-static void genDiv (iCode *ic)
-{
- operand *left = IC_LEFT(ic);
- operand *right = IC_RIGHT(ic);
- operand *result= IC_RESULT(ic);
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* assign the amsops */
aopOp (left,ic,FALSE);
aopOp (right,ic,FALSE);
}
/* should have been converted to function call */
- assert(1);
+ assert(0);
release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* genModbits :- modulus of bits */
/*-----------------------------------------------------------------*/
-static void genModbits (operand *left,
- operand *right,
+static void genModbits (operand *left,
+ operand *right,
operand *result)
{
char *l;
- /* the result must be bit */
- emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ /* the result must be bit */
+ pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
+ MOVA(l);
- emitcode("div","ab");
- emitcode("mov","a,b");
- emitcode("rrc","a");
+ pic14_emitcode("div","ab");
+ pic14_emitcode("mov","a,b");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"c",0);
}
char *l ;
symbol *lbl ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* signed or unsigned */
if (SPEC_USIGN(opetype)) {
/* unsigned is easy */
- emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
+ pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- emitcode("div","ab");
+ MOVA(l);
+ pic14_emitcode("div","ab");
aopPut(AOP(result),"b",0);
return ;
}
/* signed is a little bit more difficult */
/* save the signs of the operands */
- l = aopGet(AOP(left),0,FALSE,FALSE);
+ l = aopGet(AOP(left),0,FALSE,FALSE);
MOVA(l);
- emitcode("xrl","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
- emitcode("push","acc"); /* save it on the stack */
+ pic14_emitcode("xrl","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ pic14_emitcode("push","acc"); /* save it on the stack */
/* now sign adjust for both left & right */
- l = aopGet(AOP(right),0,FALSE,FALSE);
+ l = aopGet(AOP(right),0,FALSE,FALSE);
MOVA(l);
lbl = newiTempLabel(NULL);
- emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
- emitcode("cpl","a");
- emitcode("inc","a");
- emitcode("","%05d_DS_:",(lbl->key+100));
- emitcode("mov","b,a");
+ pic14_emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("cpl","a");
+ pic14_emitcode("inc","a");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("mov","b,a");
/* sign adjust left side */
- l = aopGet(AOP(left),0,FALSE,FALSE);
+ l = aopGet(AOP(left),0,FALSE,FALSE);
MOVA(l);
lbl = newiTempLabel(NULL);
- emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
- emitcode("cpl","a");
- emitcode("inc","a");
- emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("cpl","a");
+ pic14_emitcode("inc","a");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
/* now the multiplication */
- emitcode("div","ab");
+ pic14_emitcode("div","ab");
/* we are interested in the lower order
only */
lbl = newiTempLabel(NULL);
- emitcode("pop","acc");
- /* if there was an over flow we don't
+ pic14_emitcode("pop","acc");
+ /* if there was an over flow we don't
adjust the sign of the result */
- emitcode("jb","ov,%05d_DS_",(lbl->key+100));
- emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("jb","ov,%05d_DS_",(lbl->key+100));
+ pic14_emitcode("jnb","acc.7,%05d_DS_",(lbl->key+100));
CLRC ;
- emitcode("clr","a");
- emitcode("subb","a,b");
- emitcode("mov","b,a");
- emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("clr","a");
+ pic14_emitcode("subb","a,b");
+ pic14_emitcode("mov","b,a");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
/* now we are done */
aopPut(AOP(result),"b",0);
{
operand *left = IC_LEFT(ic);
operand *right = IC_RIGHT(ic);
- operand *result= IC_RESULT(ic);
+ operand *result= IC_RESULT(ic);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* assign the amsops */
aopOp (left,ic,FALSE);
aopOp (right,ic,FALSE);
}
/* should have been converted to function call */
- assert(1);
+ assert(0);
release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* genIfxJump :- will create a jump depending on the ifx */
/*-----------------------------------------------------------------*/
+/*
+ note: May need to add parameter to indicate when a variable is in bit space.
+*/
static void genIfxJump (iCode *ic, char *jval)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if true label then we jump if condition
supplied is true */
if ( IC_TRUE(ic) ) {
- if(strcmp(jval,"a") == 0)
- emitSKPZ;
- else if (strcmp(jval,"c") == 0)
- emitSKPC;
- else
- emitcode("btfsc","(%s >> 3),(%s & 7)",jval,jval);
+ if(strcmp(jval,"a") == 0)
+ emitSKPZ;
+ else if (strcmp(jval,"c") == 0)
+ emitSKPC;
+ else {
+ DEBUGpic14_emitcode ("; ***","%d - assuming %s is in bit space",__LINE__,jval);
+ emitpcode(POC_BTFSC, newpCodeOpBit(jval,-1,1));
+ }
- emitcode(" goto","_%05d_DS_",IC_TRUE(ic)->key+100 + labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ic)->key));
+ pic14_emitcode(" goto","_%05d_DS_",IC_TRUE(ic)->key+100 + labelOffset);
}
else {
/* false label is present */
- if(strcmp(jval,"a") == 0)
- emitSKPNZ;
- else if (strcmp(jval,"c") == 0)
- emitSKPNC;
- else
- emitcode("btfss","(%s >> 3),(%s & 7)",jval,jval);
+ if(strcmp(jval,"a") == 0)
+ emitSKPNZ;
+ else if (strcmp(jval,"c") == 0)
+ emitSKPNC;
+ else {
+ DEBUGpic14_emitcode ("; ***","%d - assuming %s is in bit space",__LINE__,jval);
+ emitpcode(POC_BTFSS, newpCodeOpBit(jval,-1,1));
+ }
- emitcode(" goto","_%05d_DS_",IC_FALSE(ic)->key+100 + labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ic)->key));
+ pic14_emitcode(" goto","_%05d_DS_",IC_FALSE(ic)->key+100 + labelOffset);
}
break;
case 'd':
- emitcode("skpndc","");
+ emitSKPDC;
break;
}
- emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
} else {
break;
case 'd':
- emitcode("skpdc","");
+ emitSKPDC;
break;
}
- emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
}
/*-----------------------------------------------------------------*/
/* genSkipc */
/*-----------------------------------------------------------------*/
-static void genSkipc(iCode *ifx, int condition)
+static void genSkipc(resolvedIfx *rifx)
{
- if(!ifx)
+ if(!rifx)
return;
- if(condition)
- emitSKPNC;
- else
+ if(rifx->condition)
emitSKPC;
+ else
+ emitSKPNC;
- if ( IC_TRUE(ifx) )
- emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
+}
+
+/*-----------------------------------------------------------------*/
+/* genSkipz2 */
+/*-----------------------------------------------------------------*/
+static void genSkipz2(resolvedIfx *rifx)
+{
+ if(!rifx)
+ return;
+
+ if(rifx->condition)
+ emitSKPZ;
else
- emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
}
/*-----------------------------------------------------------------*/
emitSKPZ;
if ( IC_TRUE(ifx) )
- emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ else
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+
+ if ( IC_TRUE(ifx) )
+ pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
else
- emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
+ pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
}
/*-----------------------------------------------------------------*/
+/* genSkipCond */
+/*-----------------------------------------------------------------*/
+static void genSkipCond(resolvedIfx *rifx,operand *op, int offset, int bit)
+{
+ if(!rifx)
+ return;
+
+ if(rifx->condition)
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0));
+ else
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0));
+
+
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
+}
+/*-----------------------------------------------------------------*/
/* genCmp :- greater or less than comparison */
/*-----------------------------------------------------------------*/
static void genCmp (operand *left,operand *right,
{
int size, offset = 0 ;
unsigned long lit = 0L,i = 0;
+ resolvedIfx rIfx;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if(ifx) {
+ DEBUGpic14_emitcode ("; ***","true ifx is %s",((IC_TRUE(ifx) == NULL) ? "false" : "true"));
+ DEBUGpic14_emitcode ("; ***","false ifx is %s",((IC_FALSE(ifx) == NULL) ? "false" : "true"));
+ }
+
+ resolveIfx(&rIfx,ifx);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if left & right are bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
AOP_TYPE(right) == AOP_CRY ) {
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- emitcode("anl","c,/%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
+ pic14_emitcode("anl","c,/%s",AOP(left)->aopu.aop_dir);
} else {
/* subtract right from left if at the
end the carry flag is set then we know that
if((size == 1) && !sign &&
(AOP_TYPE(right) == AOP_LIT && AOP_TYPE(left) != AOP_DIR )){
symbol *lbl = newiTempLabel(NULL);
- emitcode("cjne","%s,%s,%05d_DS_",
- aopGet(AOP(left),offset,FALSE,FALSE),
- aopGet(AOP(right),offset,FALSE,FALSE),
- lbl->key+100);
- emitcode("","%05d_DS_:",lbl->key+100);
+ pic14_emitcode("cjne","%s,%s,%05d_DS_",
+ aopGet(AOP(left),offset,FALSE,FALSE),
+ aopGet(AOP(right),offset,FALSE,FALSE),
+ lbl->key+100);
+ pic14_emitcode("","%05d_DS_:",lbl->key+100);
} else {
+ symbol *lbl = newiTempLabel(NULL);
+ int flag;
+ symbol *truelbl = newiTempLabel(NULL);
+
+
if(AOP_TYPE(right) == AOP_LIT) {
- DEBUGemitcode(";right lit","%d",sign);
+ lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
+
+ DEBUGpic14_emitcode(";right lit","lit = 0x%x,sign=%d",lit,sign);
+
+
+
+ if(lit == 0 && sign == 0) {
+ /* no need to compare to 0...*/
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
+ size--;
+
+ if(size == 0) {
+ i = (lit >> (size*8)) & 0xff;
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ switch(i) {
+ case 0:
+ if(sign)
+ genSkipCond(&rIfx,left,0,7);
+ break;
+ default:
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+
+ i = ((0-i) & 0xff);
+ if(sign) {
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(i^0x80));
+ } else {
+ emitpcode(POC_ADDLW, popGetLit(i));
+ }
+ genSkipc(&rIfx);
+ }
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+
+
+
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ flag=1;
+ size++;
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+ if(sign && flag) {
+ /* handle the first byte differently in signed compares */
+
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(((-i)&0xff) ^ 0x80));
+ genSkipc(&rIfx);
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ flag=0;
+ } else {
+
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ if(size) {
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ }
+ }
+ }
+ emitpLabel(lbl->key);
+ genSkipc(&rIfx);
+ if(sign)
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
- lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
- //default:
- while(size--) {
- i = (lit >> (size*8)) & 0xff;
- if(i == 0) {
- emitcode("movf","%s,w",aopGet(AOP(left),size,FALSE,FALSE));
- genSkipz(ifx,IC_TRUE(ifx) == NULL);
- } else {
- emitcode("movlw","0x%x",i);
- emitcode("subwf","%s,w",aopGet(AOP(left),size,FALSE,FALSE));
- genSkipc(ifx,IC_TRUE(ifx) == NULL);
- }
- }
- ifx->generated = 1;
- return;
}
+
if(AOP_TYPE(left) == AOP_LIT) {
+ //symbol *lbl = newiTempLabel(NULL);
+
+ lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit));
+
+ DEBUGpic14_emitcode(";left lit","lit = %d,sign=%d",lit,sign);
+
+ /* Special cases */
+ if((lit == 0)&& (sign==0)) {
+
+ size--;
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(size)
+ emitpcode(POC_IORFW, popGet(AOP(right),--size));
+ genSkipz2(&rIfx);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(size==1) {
+ if(sign) {
+ if((lit+1)&0xff) {
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(((-(lit+1)) & 0xff) ^ 0x80));
+ rIfx.condition ^= 1;
+ genSkipc(&rIfx);
+ } else {
+ genSkipCond(&rIfx,right,0,7);
+ }
+
+ } else {
+ if(lit & 0xff) {
+ emitpcode(POC_MOVLW, popGetLit((lit+1) & 0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),0));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ rIfx.condition ^= 1;
+ genSkipc(&rIfx);
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ genSkipz2(&rIfx);
+ }
+ }
+ } else {
+
+ flag = 1;
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+ if(flag && sign) {
+ /* Handle first byte of compare differently */
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(i) {
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_SUBLW, popGetLit( (i & 0xff) ^ 0x80));
+ //rIfx.condition ^= 1;
+ genSkipc(&rIfx);
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ } else {
+ rIfx.condition ^= 1;
+ genSkipCond(&rIfx,right,size,7);
+ rIfx.condition ^= 1;
+ }
+
+ flag = 0;
+ } else {
+
+ if(size) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVLW, popGetLit(i&0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ } else {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVLW, popGetLit((i+1)&0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+
+ }
+ }
+ }
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ emitpLabel(lbl->key);
+
+ rIfx.condition ^= 1;
+ genSkipc(&rIfx);
+
+ }
+ if(sign)
+ emitpLabel(truelbl->key);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
- DEBUGemitcode(";left lit","%d",sign);
+ /* Compare two variables */
- lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit))+1;
+ DEBUGpic14_emitcode(";sign","%d",sign);
- //default:
- while(size--) {
- i = (lit >> (size*8)) & 0xff;
- if(i == 0) {
- emitcode("movf","%s,w",aopGet(AOP(right),size,FALSE,FALSE));
- genSkipz(ifx,IC_TRUE(ifx) != NULL);
- } else if( i == 1 ) {
- emitcode("decf","%s,w",aopGet(AOP(right),size,FALSE,FALSE));
- genSkipz(ifx,IC_TRUE(ifx) != NULL);
+ size--;
+ if(sign) {
+ /* Sigh. thus sucks... */
+ if(size) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_MOVWF, popRegFromIdx(Gstack_base_addr));
+ emitpcode(POC_MOVLW, popGetLit(0x80));
+ emitpcode(POC_XORWF, popRegFromIdx(Gstack_base_addr));
+ emitpcode(POC_XORFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popRegFromIdx(Gstack_base_addr));
+ } else {
+ /* Signed char comparison */
+ /* Special thanks to Nikolai Golovchenko for this snippet */
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_SUBFW, popGet(AOP(left),0));
+ emitpcode(POC_RRFW, popGet(AOP(left),0)); /* could be any register */
+ emitpcode(POC_XORFW, popGet(AOP(left),0));
+ emitpcode(POC_XORFW, popGet(AOP(right),0));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ genSkipc(&rIfx);
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
- } else {
- emitcode("movlw","0x%x",i);
- emitcode("subwf","%s,w",aopGet(AOP(right),size,FALSE,FALSE));
- genSkipc(ifx,IC_TRUE(ifx) != NULL);
- }
- }
- ifx->generated = 1;
- return;
+ } else {
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
}
- // CLRC;
- DEBUGemitcode(";sign","%d",sign);
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("subwf","%s,w",aopGet(AOP(left),offset++,FALSE,FALSE));
- size--;
- while (size--) {
+ /* The rest of the bytes of a multi-byte compare */
+ while (size) {
+
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ size--;
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+
- /*if (AOP_TYPE(right) == AOP_LIT){
- unsigned long lit = (unsigned long)
- floatFromVal(AOP(right)->aopu.aop_lit);
- emitcode("subb","a,#0x%02x",
- 0x80 ^ (unsigned int)((lit >> (offset*8)) & 0x0FFL));
- } else {
- emitcode("mov","b,%s",aopGet(AOP(right),offset++,FALSE,FALSE));
- emitcode("xrl","b,#0x80");
- emitcode("subb","a,b");
- }
- } else
- emitcode("subb","a,%s",aopGet(AOP(right),offset++,FALSE,FALSE));
- */
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitSKPC;
- emitcode("incfsz","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("subwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- offset++;
}
+
+ emitpLabel(lbl->key);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ genSkipc(&rIfx);
+ if(ifx) ifx->generated = 1;
+ return;
+
}
}
//release:
if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) {
- outBitC(result);
+ pic14_outBitC(result);
} else {
/* if the result is used in the next
ifx conditional branch then generate
if (ifx )
genIfxJump (ifx,"c");
else
- outBitC(result);
+ pic14_outBitC(result);
/* leave the result in acc */
}
sym_link *letype , *retype;
int sign ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
left = IC_LEFT(ic);
right= IC_RIGHT(ic);
result = IC_RESULT(ic);
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
sym_link *letype , *retype;
int sign ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
left = IC_LEFT(ic);
right= IC_RIGHT(ic);
result = IC_RESULT(ic);
- letype = getSpec(operandType(left));
- retype =getSpec(operandType(right));
- sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype));
+ letype = getSpec(operandType(left));
+ retype =getSpec(operandType(right));
+ sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype));
+
+ /* assign the amsops */
+ aopOp (left,ic,FALSE);
+ aopOp (right,ic,FALSE);
+ aopOp (result,ic,TRUE);
+
+ genCmp(left, right, result, ifx, sign);
+
+ freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(result,NULL,ic,TRUE);
+}
+
+/*-----------------------------------------------------------------*/
+/* genc16bit2lit - compare a 16 bit value to a literal */
+/*-----------------------------------------------------------------*/
+static void genc16bit2lit(operand *op, int lit, int offset)
+{
+ int i;
+
+ DEBUGpic14_emitcode ("; ***","%s %d, lit = %d",__FUNCTION__,__LINE__,lit);
+ if( (lit&0xff) == 0)
+ i=1;
+ else
+ i=0;
+
+ switch( BYTEofLONG(lit,i)) {
+ case 0:
+ emitpcode(POC_MOVFW,popGet(AOP(op),offset+i));
+ break;
+ case 1:
+ emitpcode(POC_DECFW,popGet(AOP(op),offset+i));
+ break;
+ case 0xff:
+ emitpcode(POC_INCFW,popGet(AOP(op),offset+i));
+ break;
+ default:
+ emitpcode(POC_MOVFW,popGet(AOP(op),offset+i));
+ emitpcode(POC_XORLW,popGetLit(BYTEofLONG(lit,i)));
+ }
+
+ i ^= 1;
- /* assign the amsops */
- aopOp (left,ic,FALSE);
- aopOp (right,ic,FALSE);
- aopOp (result,ic,TRUE);
+ switch( BYTEofLONG(lit,i)) {
+ case 0:
+ emitpcode(POC_IORFW,popGet(AOP(op),offset+i));
+ break;
+ case 1:
+ emitSKPNZ;
+ emitpcode(POC_DECFW,popGet(AOP(op),offset+i));
+ break;
+ case 0xff:
+ emitSKPNZ;
+ emitpcode(POC_INCFW,popGet(AOP(op),offset+i));
+ break;
+ default:
+ emitpcode(POC_MOVLW,popGetLit(BYTEofLONG(lit,i)));
+ emitSKPNZ;
+ emitpcode(POC_XORFW,popGet(AOP(op),offset+i));
- genCmp(left, right, result, ifx, sign);
+ }
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* gencjneshort - compare and jump if not equal */
/*-----------------------------------------------------------------*/
-static void gencjneshort(operand *left, operand *right, symbol *lbl)
+static void gencjne(operand *left, operand *right, operand *result, iCode *ifx)
{
- int size = max(AOP_SIZE(left),AOP_SIZE(right));
- int offset = 0;
- unsigned long lit = 0L;
+ int size = max(AOP_SIZE(left),AOP_SIZE(right));
+ int offset = 0;
+ resolvedIfx rIfx;
+ symbol *lbl;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if the left side is a literal or
- if the right is in a pointer register and left
- is not */
- if ((AOP_TYPE(left) == AOP_LIT) ||
- (IS_AOP_PREG(right) && !IS_AOP_PREG(left))) {
- operand *t = right;
- right = left;
- left = t;
- }
- if(AOP_TYPE(right) == AOP_LIT)
- lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
+ unsigned long lit = 0L;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,left,right,NULL);
- /* if the right side is a literal then anything goes */
- if (AOP_TYPE(right) == AOP_LIT &&
- AOP_TYPE(left) != AOP_DIR ) {
- while (size--) {
- if(lit & 0xff) {
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("xorlw","0x%x",lit & 0xff);
- } else
- emitcode("movf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
+ resolveIfx(&rIfx,ifx);
+ lbl = newiTempLabel(NULL);
- emitSKPNZ;
- emitcode("goto","_%05d_DS_",lbl->key+100+labelOffset);
- offset++;
- lit >>= 8;
- }
+
+ /* if the left side is a literal or
+ if the right is in a pointer register and left
+ is not */
+ if ((AOP_TYPE(left) == AOP_LIT) ||
+ (IS_AOP_PREG(right) && !IS_AOP_PREG(left))) {
+ operand *t = right;
+ right = left;
+ left = t;
+ }
+ if(AOP_TYPE(right) == AOP_LIT)
+ lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
+
+ /* if the right side is a literal then anything goes */
+ if (AOP_TYPE(right) == AOP_LIT &&
+ AOP_TYPE(left) != AOP_DIR ) {
+ switch(size) {
+ case 2:
+ genc16bit2lit(left, lit, 0);
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ break;
+ default:
+ while (size--) {
+ if(lit & 0xff) {
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_XORLW,popGetLit(lit & 0xff));
+ } else {
+ emitpcode(POC_MOVF,popGet(AOP(left),offset));
+ }
+
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ offset++;
+ lit >>= 8;
+ }
+ break;
}
+ }
- /* if the right side is in a register or in direct space or
- if the left is a pointer register & right is not */
- else if (AOP_TYPE(right) == AOP_REG ||
- AOP_TYPE(right) == AOP_DIR ||
- (AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) ||
- (IS_AOP_PREG(left) && !IS_AOP_PREG(right))) {
- while (size--) {
- if((AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) &&
- ( (lit & 0xff) != 0)) {
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("xorlw","0x%x",lit & 0xff);
- lit >>= 8;
- } else
- emitcode("movf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
+ /* if the right side is in a register or in direct space or
+ if the left is a pointer register & right is not */
+ else if (AOP_TYPE(right) == AOP_REG ||
+ AOP_TYPE(right) == AOP_DIR ||
+ (AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) ||
+ (IS_AOP_PREG(left) && !IS_AOP_PREG(right))) {
+ switch(size) {
+ case 2:
+ genc16bit2lit(left, lit, 0);
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ break;
+ default:
+ while (size--) {
+ int emit_skip=1;
+ if((AOP_TYPE(left) == AOP_DIR) &&
+ ((AOP_TYPE(right) == AOP_REG) || (AOP_TYPE(right) == AOP_DIR))) {
+
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_XORFW,popGet(AOP(right),offset));
+
+ } else if((AOP_TYPE(left) == AOP_DIR) && (AOP_TYPE(right) == AOP_LIT)){
+
+ switch (lit & 0xff) {
+ case 0:
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ break;
+ case 1:
+ emitpcode(POC_DECFSZ,popGet(AOP(left),offset));
+ emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ emit_skip=0;
+ break;
+ case 0xff:
+ emitpcode(POC_INCFSZ,popGet(AOP(left),offset));
+ emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ emit_skip=0;
+ break;
+ default:
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_XORLW,popGetLit(lit & 0xff));
+ }
+ lit >>= 8;
+
+ } else {
+ emitpcode(POC_MOVF,popGet(AOP(left),offset));
+ }
+ if(emit_skip) {
+ if(AOP_TYPE(result) == AOP_CRY) {
+ pic14_emitcode(";***","%s %d",__FUNCTION__,__LINE__);
+ if(rIfx.condition)
+ emitSKPNZ;
+ else
+ emitSKPZ;
+ emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key));
+ } else {
+ /* fix me. probably need to check result size too */
+ emitpcode(POC_CLRF,popGet(AOP(result),0));
+ if(rIfx.condition)
+ emitSKPNZ;
+ else
+ emitSKPZ;
+ emitpcode(POC_INCF,popGet(AOP(result),0));
+ }
+ if(ifx)
+ ifx->generated=1;
+ }
+ emit_skip++;
+ offset++;
+ }
+ break;
+ }
+ } else if(AOP_TYPE(right) == AOP_REG &&
+ AOP_TYPE(left) != AOP_DIR){
- emitSKPZ;
- emitcode("goto","_%05d_DS_",lbl->key+100+labelOffset);
- offset++;
-/*
- MOVA(aopGet(AOP(left),offset,FALSE,FALSE));
- if((AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) &&
- ((unsigned int)((lit >> (offset*8)) & 0x0FFL) == 0))
- emitcode("jnz","%05d_DS_",lbl->key+100);
- else
- emitcode("cjne","a,%s,%05d_DS_",
- aopGet(AOP(right),offset,FALSE,TRUE),
- lbl->key+100);
- offset++;
-*/
- }
- } else {
- /* right is a pointer reg need both a & b */
- while(size--) {
- char *l = aopGet(AOP(left),offset,FALSE,FALSE);
- if(strcmp(l,"b"))
- emitcode("mov","b,%s",l);
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("cjne","a,b,%05d_DS_",lbl->key+100);
- offset++;
- }
+ while(size--) {
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_XORFW,popGet(AOP(right),offset));
+ pic14_emitcode(";***","%s %d",__FUNCTION__,__LINE__);
+ if(rIfx.condition)
+ emitSKPNZ;
+ else
+ emitSKPZ;
+ emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key));
+ offset++;
+ }
+
+ }else{
+ /* right is a pointer reg need both a & b */
+ while(size--) {
+ char *l = aopGet(AOP(left),offset,FALSE,FALSE);
+ if(strcmp(l,"b"))
+ pic14_emitcode("mov","b,%s",l);
+ MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("cjne","a,b,%05d_DS_",lbl->key+100);
+ offset++;
}
+ }
+ emitpLabel(lbl->key);
+
+ if(ifx)
+ ifx->generated = 1;
}
+#if 0
/*-----------------------------------------------------------------*/
/* gencjne - compare and jump if not equal */
/*-----------------------------------------------------------------*/
-static void gencjne(operand *left, operand *right, symbol *lbl)
+static void gencjne(operand *left, operand *right, iCode *ifx)
{
symbol *tlbl = newiTempLabel(NULL);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
gencjneshort(left, right, lbl);
- emitcode("mov","a,%s",one);
- emitcode("sjmp","%05d_DS_",tlbl->key+100);
- emitcode("","%05d_DS_:",lbl->key+100);
- emitcode("clr","a");
- emitcode("","%05d_DS_:",tlbl->key+100);
-}
+ pic14_emitcode("mov","a,%s",one);
+ pic14_emitcode("sjmp","%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",lbl->key+100);
+ pic14_emitcode("clr","a");
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ emitpLabel(lbl->key);
+ emitpLabel(tlbl->key);
+
+}
+#endif
/*-----------------------------------------------------------------*/
/* genCmpEq - generates code for equal to */
unsigned long lit = 0L;
int size,offset=0;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
if(ifx)
- DEBUGemitcode ("; ifx is non-null","");
+ DEBUGpic14_emitcode ("; ifx is non-null","");
else
- DEBUGemitcode ("; ifx is null","");
+ DEBUGpic14_emitcode ("; ifx is null","");
aopOp((left=IC_LEFT(ic)),ic,FALSE);
aopOp((right=IC_RIGHT(ic)),ic,FALSE);
size = max(AOP_SIZE(left),AOP_SIZE(right));
- /* if literal, literal on the right or
- if the right is in a pointer register and left
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
+ /* if literal, literal on the right or
+ if the right is in a pointer register and left
is not */
- if ((AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) ||
+ if ((AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) ||
(IS_AOP_PREG(right) && !IS_AOP_PREG(left))) {
operand *t = IC_RIGHT(ic);
IC_RIGHT(ic) = IC_LEFT(ic);
if(AOP_TYPE(right) == AOP_LIT){
unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
if(lit == 0L){
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("cpl","c");
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("cpl","c");
} else if(lit == 1L) {
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
} else {
- emitcode("clr","c");
+ pic14_emitcode("clr","c");
}
/* AOP_TYPE(right) == AOP_CRY */
} else {
symbol *lbl = newiTempLabel(NULL);
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("jb","%s,%05d_DS_",AOP(right)->aopu.aop_dir,(lbl->key+100));
- emitcode("cpl","c");
- emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("jb","%s,%05d_DS_",AOP(right)->aopu.aop_dir,(lbl->key+100));
+ pic14_emitcode("cpl","c");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
}
/* if true label then we jump if condition
supplied is true */
tlbl = newiTempLabel(NULL);
if ( IC_TRUE(ifx) ) {
- emitcode("jnc","%05d_DS_",tlbl->key+100);
- emitcode("ljmp","%05d_DS_",IC_TRUE(ifx)->key+100);
+ pic14_emitcode("jnc","%05d_DS_",tlbl->key+100);
+ pic14_emitcode("ljmp","%05d_DS_",IC_TRUE(ifx)->key+100);
} else {
- emitcode("jc","%05d_DS_",tlbl->key+100);
- emitcode("ljmp","%05d_DS_",IC_FALSE(ifx)->key+100);
+ pic14_emitcode("jc","%05d_DS_",tlbl->key+100);
+ pic14_emitcode("ljmp","%05d_DS_",IC_FALSE(ifx)->key+100);
}
- emitcode("","%05d_DS_:",tlbl->key+100+labelOffset);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100+labelOffset);
} else {
- /* They're not both bit variables. Is the right a literal? */
- if(AOP_TYPE(right) == AOP_LIT) {
-
- lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
- while (size--) {
-
- if(size >= 1) {
- int l = lit & 0xff;
- int h = (lit>>8) & 0xff;
- int optimized=0;
-
- /* Check special cases for integers */
- switch(lit & 0xffff) {
- case 0x0000:
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0x0001:
- emitcode("decf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0x0100:
- emitcode("decf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0x00ff:
- emitcode("incf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0xff00:
- emitcode("incf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- default:
- if(h == 0) {
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("xorlw","0x%x",l);
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- optimized++;
- genSkip(ifx,'z');
- } else if (l == 0) {
- emitcode("movf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- emitcode("xorlw","0x%x",h);
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- optimized++;
- genSkip(ifx,'z');
- } else {
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("xorlw","0x%x",l);
- emitcode("movlw","0x%x",h);
- emitSKPZ;
- emitcode("xorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- optimized++;
- genSkip(ifx,'z');
- }
-
- }
- if(optimized) {
- size--;
- offset+=2;
- lit>>=16;
-
- continue;
- }
-
- }
-
- switch(lit & 0xff) {
- case 1:
- if ( IC_TRUE(ifx) ) {
- emitcode("decf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitSKPNZ;
- emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
- } else {
- emitcode("decfsz","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
- }
- break;
- case 0xff:
- if ( IC_TRUE(ifx) ) {
- emitcode("incf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitSKPNZ;
- emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
- } else {
- emitcode("incfsz","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
- }
- break;
- default:
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- if(lit)
- emitcode("xorlw","0x%x",lit & 0xff);
- genSkip(ifx,'z');
- }
-
-
- // emitcode("goto","_%05d_DS_",tlbl->key+100+labelOffset);
- //emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset);
- offset++;
- lit >>= 8;
- }
-
- } else if(AOP_TYPE(right) == AOP_CRY ) {
- /* we know the left is not a bit, but that the right is */
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- if ( IC_TRUE(ifx) )
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- else
- emitcode("btfss","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
-
- emitcode("xorlw","1");
-
- /* if the two are equal, then W will be 0 and the Z bit is set
- * we could test Z now, or go ahead and check the high order bytes if
- * the variable we're comparing is larger than a byte. */
-
- while(--size)
- emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
-
- if ( IC_TRUE(ifx) ) {
- emitSKPNZ;
- emitcode(" goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
- } else {
- emitSKPZ;
- emitcode(" goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
- }
-
- } else {
- /* They're both variables that are larger than bits */
- int s = size;
-
- tlbl = newiTempLabel(NULL);
-
- while(size--) {
-
- emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
-
- if ( IC_TRUE(ifx) ) {
- if(size) {
- emitSKPZ;
- emitcode(" goto","_%05d_DS_",tlbl->key+100+labelOffset);
- } else {
- emitSKPNZ;
- emitcode(" goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
- }
- } else {
- emitSKPZ;
- emitcode(" goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
- }
- offset++;
- }
- if(s>1 && IC_TRUE(ifx))
- emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset);
- }
+ /* They're not both bit variables. Is the right a literal? */
+ if(AOP_TYPE(right) == AOP_LIT) {
+ lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
+
+
+ switch(size) {
+
+ case 1:
+ switch(lit & 0xff) {
+ case 1:
+ if ( IC_TRUE(ifx) ) {
+ emitpcode(POC_DECFW,popGet(AOP(left),offset));
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ } else {
+ emitpcode(POC_DECFSZW,popGet(AOP(left),offset));
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ }
+ break;
+ case 0xff:
+ if ( IC_TRUE(ifx) ) {
+ emitpcode(POC_INCFW,popGet(AOP(left),offset));
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ } else {
+ emitpcode(POC_INCFSZW,popGet(AOP(left),offset));
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ }
+ break;
+ default:
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ if(lit)
+ emitpcode(POC_XORLW,popGetLit(lit & 0xff));
+ genSkip(ifx,'z');
+ }
+
+
+ /* end of size == 1 */
+ break;
+
+ case 2:
+ genc16bit2lit(left,lit,offset);
+ genSkip(ifx,'z');
+ break;
+ /* end of size == 2 */
+
+ default:
+ /* size is 4 */
+ if(lit==0) {
+ emitpcode(POC_MOVFW,popGet(AOP(left),0));
+ emitpcode(POC_IORFW,popGet(AOP(left),1));
+ emitpcode(POC_IORFW,popGet(AOP(left),2));
+ emitpcode(POC_IORFW,popGet(AOP(left),3));
+
+ } else {
+
+ /* search for patterns that can be optimized */
+
+ genc16bit2lit(left,lit,0);
+ lit >>= 16;
+ if(lit) {
+ genSkipz(ifx,IC_TRUE(ifx) == NULL);
+ //genSkip(ifx,'z');
+ genc16bit2lit(left,lit,2);
+ } else {
+ emitpcode(POC_IORFW,popGet(AOP(left),2));
+ emitpcode(POC_IORFW,popGet(AOP(left),3));
+
+ }
+
+ }
+
+ genSkip(ifx,'z');
+ }
+
+ ifx->generated = 1;
+ goto release ;
+
+
+ } else if(AOP_TYPE(right) == AOP_CRY ) {
+ /* we know the left is not a bit, but that the right is */
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode( ( (IC_TRUE(ifx)) ? POC_BTFSC : POC_BTFSS),
+ popGet(AOP(right),offset));
+ emitpcode(POC_XORLW,popGetLit(1));
+
+ /* if the two are equal, then W will be 0 and the Z bit is set
+ * we could test Z now, or go ahead and check the high order bytes if
+ * the variable we're comparing is larger than a byte. */
+
+ while(--size)
+ emitpcode(POC_IORFW,popGet(AOP(left),offset));
+
+ if ( IC_TRUE(ifx) ) {
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ pic14_emitcode(" goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
+ } else {
+ emitSKPZ;
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ pic14_emitcode(" goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
+ }
+
+ } else {
+ /* They're both variables that are larger than bits */
+ int s = size;
+
+ tlbl = newiTempLabel(NULL);
+
+ while(size--) {
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_XORFW,popGet(AOP(right),offset));
+
+ if ( IC_TRUE(ifx) ) {
+ if(size) {
+ emitSKPZ;
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ pic14_emitcode(" goto","_%05d_DS_",tlbl->key+100+labelOffset);
+ } else {
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ pic14_emitcode(" goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
+ }
+ } else {
+ emitSKPZ;
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ pic14_emitcode(" goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
+ }
+ offset++;
+ }
+ if(s>1 && IC_TRUE(ifx)) {
+ emitpLabel(tlbl->key);
+ pic14_emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset);
+ }
+ }
}
/* mark the icode as generated */
ifx->generated = 1;
if(AOP_TYPE(right) == AOP_LIT){
unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
if(lit == 0L){
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("cpl","c");
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("cpl","c");
} else if(lit == 1L) {
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
} else {
- emitcode("clr","c");
+ pic14_emitcode("clr","c");
}
/* AOP_TYPE(right) == AOP_CRY */
} else {
symbol *lbl = newiTempLabel(NULL);
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("jb","%s,%05d_DS_",AOP(right)->aopu.aop_dir,(lbl->key+100));
- emitcode("cpl","c");
- emitcode("","%05d_DS_:",(lbl->key+100));
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("jb","%s,%05d_DS_",AOP(right)->aopu.aop_dir,(lbl->key+100));
+ pic14_emitcode("cpl","c");
+ pic14_emitcode("","%05d_DS_:",(lbl->key+100));
}
/* c = 1 if egal */
if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)){
- outBitC(result);
+ pic14_outBitC(result);
goto release ;
}
if (ifx) {
}
/* if the result is used in an arithmetic operation
then put the result in place */
- outBitC(result);
+ pic14_outBitC(result);
} else {
- gencjne(left,right,newiTempLabel(NULL));
- if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) {
- aopPut(AOP(result),"a",0);
- goto release ;
- }
- if (ifx) {
- genIfxJump (ifx,"a");
- goto release ;
- }
- /* if the result is used in an arithmetic operation
- then put the result in place */
- if (AOP_TYPE(result) != AOP_CRY)
- outAcc(result);
- /* leave the result in acc */
+
+ gencjne(left,right,result,ifx);
+/*
+ if(ifx)
+ gencjne(left,right,newiTempLabel(NULL));
+ else {
+ if(IC_TRUE(ifx)->key)
+ gencjne(left,right,IC_TRUE(ifx)->key);
+ else
+ gencjne(left,right,IC_FALSE(ifx)->key);
+ ifx->generated = 1;
+ goto release ;
+ }
+ if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) {
+ aopPut(AOP(result),"a",0);
+ goto release ;
+ }
+
+ if (ifx) {
+ genIfxJump (ifx,"a");
+ goto release ;
+ }
+*/
+ /* if the result is used in an arithmetic operation
+ then put the result in place */
+/*
+ if (AOP_TYPE(result) != AOP_CRY)
+ pic14_outAcc(result);
+*/
+ /* leave the result in acc */
}
release:
static iCode *ifxForOp ( operand *op, iCode *ic )
{
/* if true symbol then needs to be assigned */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (IS_TRUE_SYMOP(op))
return NULL ;
OP_SYMBOL(op)->liveTo <= ic->next->seq )
return ic->next;
+ if (ic->next &&
+ ic->next->op == IFX &&
+ IC_COND(ic->next)->key == op->key) {
+ DEBUGpic14_emitcode ("; WARNING ","%d IGNORING liveTo range in %s",__LINE__,__FUNCTION__);
+ return ic->next;
+ }
+
+ DEBUGpic14_emitcode ("; NULL :(","%d",__LINE__);
+ if (ic->next &&
+ ic->next->op == IFX)
+ DEBUGpic14_emitcode ("; ic-next"," is an IFX");
+
+ if (ic->next &&
+ ic->next->op == IFX &&
+ IC_COND(ic->next)->key == op->key) {
+ DEBUGpic14_emitcode ("; "," key is okay");
+ DEBUGpic14_emitcode ("; "," key liveTo %d, next->seq = %d",
+ OP_SYMBOL(op)->liveTo,
+ ic->next->seq);
+ }
+
+
return NULL;
}
/*-----------------------------------------------------------------*/
operand *left,*right, *result;
symbol *tlbl;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* note here that && operations that are in an
if statement are taken away by backPatchLabels
only those used in arthmetic operations remain */
/* if both are bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
AOP_TYPE(right) == AOP_CRY ) {
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("anl","c,%s",AOP(right)->aopu.aop_dir);
- outBitC(result);
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir);
+ pic14_outBitC(result);
} else {
tlbl = newiTempLabel(NULL);
- toBoolean(left);
- emitcode("jz","%05d_DS_",tlbl->key+100);
- toBoolean(right);
- emitcode("","%05d_DS_:",tlbl->key+100);
- outBitAcc(result);
+ pic14_toBoolean(left);
+ pic14_emitcode("jz","%05d_DS_",tlbl->key+100);
+ pic14_toBoolean(right);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitAcc(result);
}
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
/* note here that || operations that are in an
if statement are taken away by backPatchLabels
only those used in arthmetic operations remain */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp((left=IC_LEFT(ic)),ic,FALSE);
aopOp((right=IC_RIGHT(ic)),ic,FALSE);
aopOp((result=IC_RESULT(ic)),ic,FALSE);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
/* if both are bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
AOP_TYPE(right) == AOP_CRY ) {
- emitcode("clrc","");
- emitcode("btfss","(%s >> 3), (%s & 7)",
- AOP(left)->aopu.aop_dir,
- AOP(left)->aopu.aop_dir);
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- emitcode("setc","");
+ pic14_emitcode("clrc","");
+ pic14_emitcode("btfss","(%s >> 3), (%s & 7)",
+ AOP(left)->aopu.aop_dir,
+ AOP(left)->aopu.aop_dir);
+ pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
+ AOP(right)->aopu.aop_dir,
+ AOP(right)->aopu.aop_dir);
+ pic14_emitcode("setc","");
} else {
tlbl = newiTempLabel(NULL);
- toBoolean(left);
- emitSKPZ;
- emitcode("goto","%05d_DS_",tlbl->key+100+labelOffset);
- toBoolean(right);
- emitcode("","%05d_DS_:",tlbl->key+100+labelOffset);
+ pic14_toBoolean(left);
+ emitSKPZ;
+ pic14_emitcode("goto","%05d_DS_",tlbl->key+100+labelOffset);
+ pic14_toBoolean(right);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100+labelOffset);
- outBitAcc(result);
+ pic14_outBitAcc(result);
}
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
0x1000000L,0x2000000L,0x4000000L,0x8000000L,
0x10000000L,0x20000000L,0x40000000L,0x80000000L};
int idx;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
for(idx = 0; idx < 32; idx++)
if(lit == pw[idx])
return idx+1;
/*-----------------------------------------------------------------*/
static void continueIfTrue (iCode *ic)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(IC_TRUE(ic))
- emitcode("ljmp","%05d_DS_",IC_TRUE(ic)->key+100);
+ pic14_emitcode("ljmp","%05d_DS_",IC_TRUE(ic)->key+100);
ic->generated = 1;
}
/*-----------------------------------------------------------------*/
static void jumpIfTrue (iCode *ic)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(!IC_TRUE(ic))
- emitcode("ljmp","%05d_DS_",IC_FALSE(ic)->key+100);
+ pic14_emitcode("ljmp","%05d_DS_",IC_FALSE(ic)->key+100);
ic->generated = 1;
}
static void jmpTrueOrFalse (iCode *ic, symbol *tlbl)
{
// ugly but optimized by peephole
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(IC_TRUE(ic)){
symbol *nlbl = newiTempLabel(NULL);
- emitcode("sjmp","%05d_DS_",nlbl->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
- emitcode("ljmp","%05d_DS_",IC_TRUE(ic)->key+100);
- emitcode("","%05d_DS_:",nlbl->key+100);
+ pic14_emitcode("sjmp","%05d_DS_",nlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("ljmp","%05d_DS_",IC_TRUE(ic)->key+100);
+ pic14_emitcode("","%05d_DS_:",nlbl->key+100);
}
else{
- emitcode("ljmp","%05d_DS_",IC_FALSE(ic)->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("ljmp","%05d_DS_",IC_FALSE(ic)->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
}
ic->generated = 1;
}
/*-----------------------------------------------------------------*/
static void genAnd (iCode *ic, iCode *ifx)
{
- operand *left, *right, *result;
- int size, offset=0;
- unsigned long lit = 0L;
- int bytelit = 0;
- char buffer[10];
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp((left = IC_LEFT(ic)),ic,FALSE);
- aopOp((right= IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,TRUE);
-
-#ifdef DEBUG_TYPE
- emitcode("","; Type res[%d] = l[%d]&r[%d]",
- AOP_TYPE(result),
- AOP_TYPE(left), AOP_TYPE(right));
- emitcode("","; Size res[%d] = l[%d]&r[%d]",
- AOP_SIZE(result),
- AOP_SIZE(left), AOP_SIZE(right));
-#endif
+ operand *left, *right, *result;
+ int size, offset=0;
+ unsigned long lit = 0L;
+ int bytelit = 0;
+ resolvedIfx rIfx;
- /* if left is a literal & right is not then exchange them */
- if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) ||
- AOP_NEEDSACC(left)) {
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
- /* if result = right then exchange them */
- if(sameRegs(AOP(result),AOP(right))){
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aopOp((left = IC_LEFT(ic)),ic,FALSE);
+ aopOp((right= IC_RIGHT(ic)),ic,FALSE);
+ aopOp((result=IC_RESULT(ic)),ic,TRUE);
- /* if right is bit then exchange them */
- if (AOP_TYPE(right) == AOP_CRY &&
- AOP_TYPE(left) != AOP_CRY){
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
- if(AOP_TYPE(right) == AOP_LIT)
- lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit);
+ resolveIfx(&rIfx,ifx);
- size = AOP_SIZE(result);
+ /* if left is a literal & right is not then exchange them */
+ if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) ||
+ AOP_NEEDSACC(left)) {
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
+ }
- // if(bit & yy)
- // result = bit & yy;
- if (AOP_TYPE(left) == AOP_CRY){
- // c = bit & literal;
- if(AOP_TYPE(right) == AOP_LIT){
- if(lit & 1) {
- if(size && sameRegs(AOP(result),AOP(left)))
- // no change
- goto release;
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- } else {
- // bit(result) = 0;
- if(size && (AOP_TYPE(result) == AOP_CRY)){
- emitcode("clr","%s",AOP(result)->aopu.aop_dir);
- goto release;
- }
- if((AOP_TYPE(result) == AOP_CRY) && ifx){
- jumpIfTrue(ifx);
- goto release;
- }
- emitcode("clr","c");
- }
- } else {
- if (AOP_TYPE(right) == AOP_CRY){
- // c = bit & bit;
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- emitcode("anl","c,%s",AOP(left)->aopu.aop_dir);
- } else {
- // c = bit & val;
- MOVA(aopGet(AOP(right),0,FALSE,FALSE));
- // c = lsb
- emitcode("rrc","a");
- emitcode("anl","c,%s",AOP(left)->aopu.aop_dir);
- }
- }
- // bit = c
- // val = c
- if(size)
- outBitC(result);
- // if(bit & ...)
- else if((AOP_TYPE(result) == AOP_CRY) && ifx)
- genIfxJump(ifx, "c");
- goto release ;
- }
+ /* if result = right then exchange them */
+ if(pic14_sameRegs(AOP(result),AOP(right))){
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
+ }
- // if(val & 0xZZ) - size = 0, ifx != FALSE -
- // bit = val & 0xZZ - size = 1, ifx = FALSE -
- if((AOP_TYPE(right) == AOP_LIT) &&
- (AOP_TYPE(result) == AOP_CRY) &&
- (AOP_TYPE(left) != AOP_CRY)){
- int posbit = isLiteralBit(lit);
- /* left & 2^n */
- if(posbit){
- posbit--;
- MOVA(aopGet(AOP(left),posbit>>3,FALSE,FALSE));
- // bit = left & 2^n
- if(size)
- emitcode("mov","c,acc.%d",posbit&0x07);
- // if(left & 2^n)
- else{
- if(ifx){
- sprintf(buffer,"acc.%d",posbit&0x07);
- genIfxJump(ifx, buffer);
- }
- goto release;
- }
- } else {
- symbol *tlbl = newiTempLabel(NULL);
- int sizel = AOP_SIZE(left);
- if(size)
- emitcode("setb","c");
- while(sizel--){
- if((bytelit = ((lit >> (offset*8)) & 0x0FFL)) != 0x0L){
- MOVA( aopGet(AOP(left),offset,FALSE,FALSE));
- // byte == 2^n ?
- if((posbit = isLiteralBit(bytelit)) != 0)
- emitcode("jb","acc.%d,%05d_DS_",(posbit-1)&0x07,tlbl->key+100);
- else{
- if(bytelit != 0x0FFL)
- emitcode("anl","a,%s",
- aopGet(AOP(right),offset,FALSE,TRUE));
- emitcode("jnz","%05d_DS_",tlbl->key+100);
- }
- }
- offset++;
- }
- // bit = left & literal
- if(size){
- emitcode("clr","c");
- emitcode("","%05d_DS_:",tlbl->key+100);
- }
- // if(left & literal)
- else{
- if(ifx)
- jmpTrueOrFalse(ifx, tlbl);
- goto release ;
- }
- }
- outBitC(result);
- goto release ;
- }
+ /* if right is bit then exchange them */
+ if (AOP_TYPE(right) == AOP_CRY &&
+ AOP_TYPE(left) != AOP_CRY){
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
+ }
+ if(AOP_TYPE(right) == AOP_LIT)
+ lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit);
- /* if left is same as result */
- if(sameRegs(AOP(result),AOP(left))){
- for(;size--; offset++,lit>>=8) {
- if(AOP_TYPE(right) == AOP_LIT){
- switch(lit & 0xff) {
- case 0x00:
- /* and'ing with 0 has clears the result */
- emitcode("clrf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- case 0xff:
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- break;
+ size = AOP_SIZE(result);
- default:
- {
- int p = my_powof2( (~lit) & 0xff );
- if(p>=0) {
- /* only one bit is set in the literal, so use a bcf instruction */
- emitcode("bcf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p);
- } else {
- emitcode("movlw","0x%x", (lit & 0xff));
- emitcode("andwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE),p);
- }
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
+ // if(bit & yy)
+ // result = bit & yy;
+ if (AOP_TYPE(left) == AOP_CRY){
+ // c = bit & literal;
+ if(AOP_TYPE(right) == AOP_LIT){
+ if(lit & 1) {
+ if(size && pic14_sameRegs(AOP(result),AOP(left)))
+ // no change
+ goto release;
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ } else {
+ // bit(result) = 0;
+ if(size && (AOP_TYPE(result) == AOP_CRY)){
+ pic14_emitcode("clr","%s",AOP(result)->aopu.aop_dir);
+ goto release;
+ }
+ if((AOP_TYPE(result) == AOP_CRY) && ifx){
+ jumpIfTrue(ifx);
+ goto release;
+ }
+ pic14_emitcode("clr","c");
+ }
+ } else {
+ if (AOP_TYPE(right) == AOP_CRY){
+ // c = bit & bit;
+ pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
+ pic14_emitcode("anl","c,%s",AOP(left)->aopu.aop_dir);
+ } else {
+ // c = bit & val;
+ MOVA(aopGet(AOP(right),0,FALSE,FALSE));
+ // c = lsb
+ pic14_emitcode("rrc","a");
+ pic14_emitcode("anl","c,%s",AOP(left)->aopu.aop_dir);
}
}
- } else {
- if (AOP_TYPE(left) == AOP_ACC)
- emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
+ // bit = c
+ // val = c
+ if(size)
+ pic14_outBitC(result);
+ // if(bit & ...)
+ else if((AOP_TYPE(result) == AOP_CRY) && ifx)
+ genIfxJump(ifx, "c");
+ goto release ;
+ }
+ // if(val & 0xZZ) - size = 0, ifx != FALSE -
+ // bit = val & 0xZZ - size = 1, ifx = FALSE -
+ if((AOP_TYPE(right) == AOP_LIT) &&
+ (AOP_TYPE(result) == AOP_CRY) &&
+ (AOP_TYPE(left) != AOP_CRY)){
+ int posbit = isLiteralBit(lit);
+ /* left & 2^n */
+ if(posbit){
+ posbit--;
+ //MOVA(aopGet(AOP(left),posbit>>3,FALSE,FALSE));
+ // bit = left & 2^n
+ if(size)
+ pic14_emitcode("mov","c,acc.%d",posbit&0x07);
+ // if(left & 2^n)
+ else{
+ if(ifx){
+/*
+ if(IC_TRUE(ifx)) {
+ emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),0,FALSE,FALSE),posbit,0));
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ic)->key));
+ } else {
+ emitpcode(POC_BTFSS,newpCodeOpBit(aopGet(AOP(left),0,FALSE,FALSE),posbit,0));
+ emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ic)->key));
+ }
+*/
+ emitpcode(((rIfx.condition) ? POC_BTFSC : POC_BTFSS),
+ newpCodeOpBit(aopGet(AOP(left),0,FALSE,FALSE),posbit,0));
+ emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key));
+
+ ifx->generated = 1;
+ }
+ goto release;
+ }
+ } else {
+ symbol *tlbl = newiTempLabel(NULL);
+ int sizel = AOP_SIZE(left);
+ if(size)
+ pic14_emitcode("setb","c");
+ while(sizel--){
+ if((bytelit = ((lit >> (offset*8)) & 0x0FFL)) != 0x0L){
+ MOVA( aopGet(AOP(left),offset,FALSE,FALSE));
+ // byte == 2^n ?
+ if((posbit = isLiteralBit(bytelit)) != 0)
+ pic14_emitcode("jb","acc.%d,%05d_DS_",(posbit-1)&0x07,tlbl->key+100);
+ else{
+ if(bytelit != 0x0FFL)
+ pic14_emitcode("anl","a,%s",
+ aopGet(AOP(right),offset,FALSE,TRUE));
+ pic14_emitcode("jnz","%05d_DS_",tlbl->key+100);
+ }
+ }
+ offset++;
+ }
+ // bit = left & literal
+ if(size){
+ pic14_emitcode("clr","c");
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ }
+ // if(left & literal)
+ else{
+ if(ifx)
+ jmpTrueOrFalse(ifx, tlbl);
+ goto release ;
+ }
}
+ pic14_outBitC(result);
+ goto release ;
}
- }
- } else {
- // left & result in different registers
- if(AOP_TYPE(result) == AOP_CRY){
- // result = bit
- // if(size), result in bit
- // if(!size && ifx), conditional oper: if(left & right)
- symbol *tlbl = newiTempLabel(NULL);
- int sizer = min(AOP_SIZE(left),AOP_SIZE(right));
- if(size)
- emitcode("setb","c");
- while(sizer--){
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("anl","a,%s",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("jnz","%05d_DS_",tlbl->key+100);
- offset++;
- }
- if(size){
- CLRC;
- emitcode("","%05d_DS_:",tlbl->key+100);
- outBitC(result);
- } else if(ifx)
- jmpTrueOrFalse(ifx, tlbl);
- } else {
- for(;(size--);offset++) {
- // normal case
- // result = left & right
+ /* if left is same as result */
+ if(pic14_sameRegs(AOP(result),AOP(left))){
+ int know_W = -1;
+ for(;size--; offset++,lit>>=8) {
if(AOP_TYPE(right) == AOP_LIT){
- int t = (lit >> (offset*8)) & 0x0FFL;
- switch(t) {
- case 0x00:
- emitcode("clrf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- case 0xff:
- emitcode("movf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- default:
- emitcode("movlw","0x%x",t);
- emitcode("andwf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
+ switch(lit & 0xff) {
+ case 0x00:
+ /* and'ing with 0 has clears the result */
+ pic14_emitcode("clrf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
+ emitpcode(POC_CLRF,popGet(AOP(result),offset));
+ break;
+ case 0xff:
+ /* and'ing with 0xff is a nop when the result and left are the same */
+ break;
+
+ default:
+ {
+ int p = my_powof2( (~lit) & 0xff );
+ if(p>=0) {
+ /* only one bit is set in the literal, so use a bcf instruction */
+ pic14_emitcode("bcf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p);
+ emitpcode(POC_BCF,newpCodeOpBit(aopGet(AOP(left),offset,FALSE,FALSE),p,0));
+
+ } else {
+ pic14_emitcode("movlw","0x%x", (lit & 0xff));
+ pic14_emitcode("andwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE));
+ if(know_W != (lit&0xff))
+ emitpcode(POC_MOVLW, popGetLit(lit & 0xff));
+ know_W = lit &0xff;
+ emitpcode(POC_ANDWF,popGet(AOP(left),offset));
+ }
+ }
+ }
+ } else {
+ if (AOP_TYPE(left) == AOP_ACC) {
+ emitpcode(POC_ANDFW,popGet(AOP(right),offset));
+ } else {
+ emitpcode(POC_MOVFW,popGet(AOP(right),offset));
+ emitpcode(POC_ANDWF,popGet(AOP(left),offset));
- }
- continue;
+ }
}
+ }
- if (AOP_TYPE(left) == AOP_ACC)
- emitcode("andwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("andwf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
+ } else {
+ // left & result in different registers
+ if(AOP_TYPE(result) == AOP_CRY){
+ // result = bit
+ // if(size), result in bit
+ // if(!size && ifx), conditional oper: if(left & right)
+ symbol *tlbl = newiTempLabel(NULL);
+ int sizer = min(AOP_SIZE(left),AOP_SIZE(right));
+ if(size)
+ pic14_emitcode("setb","c");
+ while(sizer--){
+ MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("anl","a,%s",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("jnz","%05d_DS_",tlbl->key+100);
+ offset++;
+ }
+ if(size){
+ CLRC;
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitC(result);
+ } else if(ifx)
+ jmpTrueOrFalse(ifx, tlbl);
+ } else {
+ for(;(size--);offset++) {
+ // normal case
+ // result = left & right
+ if(AOP_TYPE(right) == AOP_LIT){
+ int t = (lit >> (offset*8)) & 0x0FFL;
+ switch(t) {
+ case 0x00:
+ pic14_emitcode("clrf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+ emitpcode(POC_CLRF,popGet(AOP(result),offset));
+ break;
+ case 0xff:
+ pic14_emitcode("movf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
+ break;
+ default:
+ pic14_emitcode("movlw","0x%x",t);
+ pic14_emitcode("andwf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+
+ emitpcode(POC_MOVLW, popGetLit(t));
+ emitpcode(POC_ANDFW,popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
+ }
+ continue;
+ }
+
+ if (AOP_TYPE(left) == AOP_ACC) {
+ pic14_emitcode("andwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ emitpcode(POC_ANDFW,popGet(AOP(right),offset));
+ } else {
+ pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("andwf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_MOVFW,popGet(AOP(right),offset));
+ emitpcode(POC_ANDFW,popGet(AOP(left),offset));
+ }
+ pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
}
- emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
}
}
- }
-release :
+ release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
int size, offset=0;
unsigned long lit = 0L;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp((left = IC_LEFT(ic)),ic,FALSE);
aopOp((right= IC_RIGHT(ic)),ic,FALSE);
aopOp((result=IC_RESULT(ic)),ic,TRUE);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
/* if left is a literal & right is not then exchange them */
if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) ||
- AOP_NEEDSACC(left)) {
+ AOP_NEEDSACC(left)) {
operand *tmp = right ;
right = left;
left = tmp;
}
/* if result = right then exchange them */
- if(sameRegs(AOP(result),AOP(right))){
+ if(pic14_sameRegs(AOP(result),AOP(right))){
operand *tmp = right ;
right = left;
left = tmp;
left = tmp;
}
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
if(AOP_TYPE(right) == AOP_LIT)
lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit);
if(lit){
// lit != 0 => result = 1
if(AOP_TYPE(result) == AOP_CRY){
- if(size)
- emitcode("bsf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
+ if(size)
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+ //pic14_emitcode("bsf","(%s >> 3), (%s & 7)",
+ // AOP(result)->aopu.aop_dir,
+ // AOP(result)->aopu.aop_dir);
else if(ifx)
continueIfTrue(ifx);
goto release;
}
- emitcode(";XXXsetb","c %s,%d",__FILE__,__LINE__);
} else {
// lit == 0 => result = left
- if(size && sameRegs(AOP(result),AOP(left)))
+ if(size && pic14_sameRegs(AOP(result),AOP(left)))
goto release;
- emitcode(";XXX mov","c,%s %s,%d",AOP(left)->aopu.aop_dir,__FILE__,__LINE__);
+ pic14_emitcode(";XXX mov","c,%s %s,%d",AOP(left)->aopu.aop_dir,__FILE__,__LINE__);
}
} else {
if (AOP_TYPE(right) == AOP_CRY){
- if(sameRegs(AOP(result),AOP(left))){
+ if(pic14_sameRegs(AOP(result),AOP(left))){
// c = bit | bit;
- emitcode("bcf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- emitcode("bsf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- } else {
-
- emitcode("bcf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- emitcode("btfss","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(left)->aopu.aop_dir,
- AOP(left)->aopu.aop_dir);
- emitcode("bsf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- }
- }
- else{
+ emitpcode(POC_BCF, popGet(AOP(result),0));
+ emitpcode(POC_BTFSC, popGet(AOP(right),0));
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+
+ pic14_emitcode("bcf","(%s >> 3), (%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
+ AOP(right)->aopu.aop_dir,
+ AOP(right)->aopu.aop_dir);
+ pic14_emitcode("bsf","(%s >> 3), (%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ } else {
+ if( AOP_TYPE(result) == AOP_ACC) {
+ emitpcode(POC_MOVLW, popGetLit(0));
+ emitpcode(POC_BTFSS, popGet(AOP(right),0));
+ emitpcode(POC_BTFSC, popGet(AOP(left),0));
+ emitpcode(POC_MOVLW, popGetLit(1));
+
+ } else {
+
+ emitpcode(POC_BCF, popGet(AOP(result),0));
+ emitpcode(POC_BTFSS, popGet(AOP(right),0));
+ emitpcode(POC_BTFSC, popGet(AOP(left),0));
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+
+ pic14_emitcode("bcf","(%s >> 3), (%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ pic14_emitcode("btfss","(%s >> 3), (%s & 7)",
+ AOP(right)->aopu.aop_dir,
+ AOP(right)->aopu.aop_dir);
+ pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
+ AOP(left)->aopu.aop_dir,
+ AOP(left)->aopu.aop_dir);
+ pic14_emitcode("bsf","(%s >> 3), (%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ }
+ }
+ } else {
// c = bit | val;
symbol *tlbl = newiTempLabel(NULL);
- emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+ pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+
+
+ emitpcode(POC_BCF, popGet(AOP(result),0));
+ if( AOP_TYPE(right) == AOP_ACC) {
+ emitpcode(POC_IORLW, popGetLit(0));
+ emitSKPNZ;
+ emitpcode(POC_BTFSC, popGet(AOP(left),0));
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+ }
+
+
+
if(!((AOP_TYPE(result) == AOP_CRY) && ifx))
- emitcode(";XXX setb","c");
- emitcode(";XXX jb","%s,%05d_DS_",
+ pic14_emitcode(";XXX setb","c");
+ pic14_emitcode(";XXX jb","%s,%05d_DS_",
AOP(left)->aopu.aop_dir,tlbl->key+100);
- toBoolean(right);
- emitcode(";XXX jnz","%05d_DS_",tlbl->key+100);
+ pic14_toBoolean(right);
+ pic14_emitcode(";XXX jnz","%05d_DS_",tlbl->key+100);
if((AOP_TYPE(result) == AOP_CRY) && ifx){
jmpTrueOrFalse(ifx, tlbl);
goto release;
} else {
CLRC;
- emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
}
}
}
// bit = c
// val = c
if(size)
- outBitC(result);
+ pic14_outBitC(result);
// if(bit | ...)
else if((AOP_TYPE(result) == AOP_CRY) && ifx)
- genIfxJump(ifx, "c");
+ genIfxJump(ifx, "c");
goto release ;
}
(AOP_TYPE(result) == AOP_CRY) &&
(AOP_TYPE(left) != AOP_CRY)){
if(lit){
- emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+ pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
// result = 1
if(size)
- emitcode(";XXX setb","%s",AOP(result)->aopu.aop_dir);
- else
+ pic14_emitcode(";XXX setb","%s",AOP(result)->aopu.aop_dir);
+ else
continueIfTrue(ifx);
goto release;
} else {
- emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+ pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
// lit = 0, result = boolean(left)
if(size)
- emitcode(";XXX setb","c");
- toBoolean(right);
+ pic14_emitcode(";XXX setb","c");
+ pic14_toBoolean(right);
if(size){
symbol *tlbl = newiTempLabel(NULL);
- emitcode(";XXX jnz","%05d_DS_",tlbl->key+100);
+ pic14_emitcode(";XXX jnz","%05d_DS_",tlbl->key+100);
CLRC;
- emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
} else {
genIfxJump (ifx,"a");
goto release;
}
}
- outBitC(result);
+ pic14_outBitC(result);
goto release ;
}
/* if left is same as result */
- if(sameRegs(AOP(result),AOP(left))){
+ if(pic14_sameRegs(AOP(result),AOP(left))){
+ int know_W = -1;
for(;size--; offset++,lit>>=8) {
- if(AOP_TYPE(right) == AOP_LIT){
- if((lit & 0xff) == 0)
- /* or'ing with 0 has no effect */
- continue;
- else {
- int p = my_powof2(lit & 0xff);
- if(p>=0) {
- /* only one bit is set in the literal, so use a bsf instruction */
- emitcode("bsf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p);
- } else {
- emitcode("movlw","0x%x", (lit & 0xff));
- emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE),p);
- }
-
- }
- } else {
- if (AOP_TYPE(left) == AOP_ACC)
- emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
-
- }
- }
+ if(AOP_TYPE(right) == AOP_LIT){
+ if((lit & 0xff) == 0)
+ /* or'ing with 0 has no effect */
+ continue;
+ else {
+ int p = my_powof2(lit & 0xff);
+ if(p>=0) {
+ /* only one bit is set in the literal, so use a bsf instruction */
+ emitpcode(POC_BSF,
+ newpCodeOpBit(aopGet(AOP(left),offset,FALSE,FALSE),p,0));
+ } else {
+ if(know_W != (lit & 0xff))
+ emitpcode(POC_MOVLW, popGetLit(lit & 0xff));
+ know_W = lit & 0xff;
+ emitpcode(POC_IORWF, popGet(AOP(left),offset));
+ }
+
+ }
+ } else {
+ if (AOP_TYPE(left) == AOP_ACC) {
+ emitpcode(POC_IORFW, popGet(AOP(right),offset));
+ pic14_emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_IORWF, popGet(AOP(left),offset));
+
+ pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
+
+ }
+ }
}
} else {
// left & result in different registers
// if(!size && ifx), conditional oper: if(left | right)
symbol *tlbl = newiTempLabel(NULL);
int sizer = max(AOP_SIZE(left),AOP_SIZE(right));
- emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+ pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+
if(size)
- emitcode(";XXX setb","c");
+ pic14_emitcode(";XXX setb","c");
while(sizer--){
MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode(";XXX orl","a,%s",
+ pic14_emitcode(";XXX orl","a,%s",
aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode(";XXX jnz","%05d_DS_",tlbl->key+100);
+ pic14_emitcode(";XXX jnz","%05d_DS_",tlbl->key+100);
offset++;
}
if(size){
CLRC;
- emitcode("","%05d_DS_:",tlbl->key+100);
- outBitC(result);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitC(result);
} else if(ifx)
jmpTrueOrFalse(ifx, tlbl);
} else for(;(size--);offset++){
- // normal case
- // result = left & right
- if(AOP_TYPE(right) == AOP_LIT){
- int t = (lit >> (offset*8)) & 0x0FFL;
- switch(t) {
- case 0x00:
- emitcode("movf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- default:
- emitcode("movlw","0x%x",t);
- emitcode("iorwf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
-
- }
- continue;
- }
-
- // faster than result <- left, anl result,right
- // and better if result is SFR
- if (AOP_TYPE(left) == AOP_ACC)
- emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("iorwf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- }
- emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
- }
+ // normal case
+ // result = left & right
+ if(AOP_TYPE(right) == AOP_LIT){
+ int t = (lit >> (offset*8)) & 0x0FFL;
+ switch(t) {
+ case 0x00:
+ emitpcode(POC_MOVFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+
+ pic14_emitcode("movf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+ break;
+ default:
+ emitpcode(POC_MOVLW, popGetLit(t));
+ emitpcode(POC_IORFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+
+ pic14_emitcode("movlw","0x%x",t);
+ pic14_emitcode("iorwf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+
+ }
+ continue;
+ }
+
+ // faster than result <- left, anl result,right
+ // and better if result is SFR
+ if (AOP_TYPE(left) == AOP_ACC) {
+ emitpcode(POC_IORWF, popGet(AOP(right),offset));
+ pic14_emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_IORFW, popGet(AOP(left),offset));
+
+ pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("iorwf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ }
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
+ }
}
release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genXor (iCode *ic, iCode *ifx)
{
- operand *left, *right, *result;
- int size, offset=0;
- unsigned long lit = 0L;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ operand *left, *right, *result;
+ int size, offset=0;
+ unsigned long lit = 0L;
- aopOp((left = IC_LEFT(ic)),ic,FALSE);
- aopOp((right= IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,TRUE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if left is a literal & right is not ||
- if left needs acc & right does not */
- if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) ||
- (AOP_NEEDSACC(left) && !AOP_NEEDSACC(right))) {
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
+ aopOp((left = IC_LEFT(ic)),ic,FALSE);
+ aopOp((right= IC_RIGHT(ic)),ic,FALSE);
+ aopOp((result=IC_RESULT(ic)),ic,TRUE);
- /* if result = right then exchange them */
- if(sameRegs(AOP(result),AOP(right))){
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
+ /* if left is a literal & right is not ||
+ if left needs acc & right does not */
+ if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) ||
+ (AOP_NEEDSACC(left) && !AOP_NEEDSACC(right))) {
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
+ }
- /* if right is bit then exchange them */
- if (AOP_TYPE(right) == AOP_CRY &&
- AOP_TYPE(left) != AOP_CRY){
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
- if(AOP_TYPE(right) == AOP_LIT)
- lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit);
+ /* if result = right then exchange them */
+ if(pic14_sameRegs(AOP(result),AOP(right))){
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
+ }
- size = AOP_SIZE(result);
+ /* if right is bit then exchange them */
+ if (AOP_TYPE(right) == AOP_CRY &&
+ AOP_TYPE(left) != AOP_CRY){
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
+ }
+ if(AOP_TYPE(right) == AOP_LIT)
+ lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit);
- // if(bit ^ yy)
- // xx = bit ^ yy;
- if (AOP_TYPE(left) == AOP_CRY){
- if(AOP_TYPE(right) == AOP_LIT){
- // c = bit & literal;
- if(lit>>1){
- // lit>>1 != 0 => result = 1
- if(AOP_TYPE(result) == AOP_CRY){
- if(size)
- emitcode("setb","%s",AOP(result)->aopu.aop_dir);
- else if(ifx)
- continueIfTrue(ifx);
- goto release;
- }
- emitcode("setb","c");
- } else{
- // lit == (0 or 1)
- if(lit == 0){
- // lit == 0, result = left
- if(size && sameRegs(AOP(result),AOP(left)))
- goto release;
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- } else{
- // lit == 1, result = not(left)
- if(size && sameRegs(AOP(result),AOP(left))){
- emitcode("cpl","%s",AOP(result)->aopu.aop_dir);
- goto release;
- } else {
- emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- emitcode("cpl","c");
- }
- }
- }
+ size = AOP_SIZE(result);
- } else {
- // right != literal
- symbol *tlbl = newiTempLabel(NULL);
- if (AOP_TYPE(right) == AOP_CRY){
- // c = bit ^ bit;
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- }
- else{
- int sizer = AOP_SIZE(right);
- // c = bit ^ val
- // if val>>1 != 0, result = 1
- emitcode("setb","c");
- while(sizer){
- MOVA(aopGet(AOP(right),sizer-1,FALSE,FALSE));
- if(sizer == 1)
- // test the msb of the lsb
- emitcode("anl","a,#0xfe");
- emitcode("jnz","%05d_DS_",tlbl->key+100);
- sizer--;
- }
- // val = (0,1)
- emitcode("rrc","a");
- }
- emitcode("jnb","%s,%05d_DS_",AOP(left)->aopu.aop_dir,(tlbl->key+100));
- emitcode("cpl","c");
- emitcode("","%05d_DS_:",(tlbl->key+100));
- }
- // bit = c
- // val = c
- if(size)
- outBitC(result);
- // if(bit | ...)
- else if((AOP_TYPE(result) == AOP_CRY) && ifx)
- genIfxJump(ifx, "c");
- goto release ;
- }
+ // if(bit ^ yy)
+ // xx = bit ^ yy;
+ if (AOP_TYPE(left) == AOP_CRY){
+ if(AOP_TYPE(right) == AOP_LIT){
+ // c = bit & literal;
+ if(lit>>1){
+ // lit>>1 != 0 => result = 1
+ if(AOP_TYPE(result) == AOP_CRY){
+ if(size)
+ pic14_emitcode("setb","%s",AOP(result)->aopu.aop_dir);
+ else if(ifx)
+ continueIfTrue(ifx);
+ goto release;
+ }
+ pic14_emitcode("setb","c");
+ } else{
+ // lit == (0 or 1)
+ if(lit == 0){
+ // lit == 0, result = left
+ if(size && pic14_sameRegs(AOP(result),AOP(left)))
+ goto release;
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ } else{
+ // lit == 1, result = not(left)
+ if(size && pic14_sameRegs(AOP(result),AOP(left))){
+ pic14_emitcode("cpl","%s",AOP(result)->aopu.aop_dir);
+ goto release;
+ } else {
+ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
+ pic14_emitcode("cpl","c");
+ }
+ }
+ }
- if(sameRegs(AOP(result),AOP(left))){
- /* if left is same as result */
- for(;size--; offset++) {
- if(AOP_TYPE(right) == AOP_LIT){
- if(((lit >> (offset*8)) & 0x0FFL) == 0x00L)
- continue;
- else
- if (IS_AOP_PREG(left)) {
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE));
- aopPut(AOP(result),"a",offset);
- } else
- emitcode("xrl","%s,%s",
- aopGet(AOP(left),offset,FALSE,TRUE),
- aopGet(AOP(right),offset,FALSE,FALSE));
- } else {
- if (AOP_TYPE(left) == AOP_ACC)
- emitcode("xrl","a,%s",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- if (IS_AOP_PREG(left)) {
- emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE));
- aopPut(AOP(result),"a",offset);
- } else
- emitcode("xrl","%s,a",
- aopGet(AOP(left),offset,FALSE,TRUE));
- }
- }
- }
} else {
- // left & result in different registers
- if(AOP_TYPE(result) == AOP_CRY){
- // result = bit
- // if(size), result in bit
- // if(!size && ifx), conditional oper: if(left ^ right)
- symbol *tlbl = newiTempLabel(NULL);
- int sizer = max(AOP_SIZE(left),AOP_SIZE(right));
- if(size)
- emitcode("setb","c");
- while(sizer--){
- if((AOP_TYPE(right) == AOP_LIT) &&
- (((lit >> (offset*8)) & 0x0FFL) == 0x00L)){
- MOVA(aopGet(AOP(left),offset,FALSE,FALSE));
- } else {
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("xrl","a,%s",
- aopGet(AOP(left),offset,FALSE,FALSE));
- }
- emitcode("jnz","%05d_DS_",tlbl->key+100);
- offset++;
- }
- if(size){
- CLRC;
- emitcode("","%05d_DS_:",tlbl->key+100);
- outBitC(result);
- } else if(ifx)
- jmpTrueOrFalse(ifx, tlbl);
- } else for(;(size--);offset++){
- // normal case
- // result = left & right
- if(AOP_TYPE(right) == AOP_LIT){
- int t = (lit >> (offset*8)) & 0x0FFL;
- switch(t) {
- case 0x00:
- emitcode("movf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- case 0xff:
- emitcode("comf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- default:
- emitcode("movlw","0x%x",t);
- emitcode("xorwf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
+ // right != literal
+ symbol *tlbl = newiTempLabel(NULL);
+ if (AOP_TYPE(right) == AOP_CRY){
+ // c = bit ^ bit;
+ pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
+ }
+ else{
+ int sizer = AOP_SIZE(right);
+ // c = bit ^ val
+ // if val>>1 != 0, result = 1
+ pic14_emitcode("setb","c");
+ while(sizer){
+ MOVA(aopGet(AOP(right),sizer-1,FALSE,FALSE));
+ if(sizer == 1)
+ // test the msb of the lsb
+ pic14_emitcode("anl","a,#0xfe");
+ pic14_emitcode("jnz","%05d_DS_",tlbl->key+100);
+ sizer--;
+ }
+ // val = (0,1)
+ pic14_emitcode("rrc","a");
+ }
+ pic14_emitcode("jnb","%s,%05d_DS_",AOP(left)->aopu.aop_dir,(tlbl->key+100));
+ pic14_emitcode("cpl","c");
+ pic14_emitcode("","%05d_DS_:",(tlbl->key+100));
+ }
+ // bit = c
+ // val = c
+ if(size)
+ pic14_outBitC(result);
+ // if(bit | ...)
+ else if((AOP_TYPE(result) == AOP_CRY) && ifx)
+ genIfxJump(ifx, "c");
+ goto release ;
+ }
- }
- continue;
- }
+ if(pic14_sameRegs(AOP(result),AOP(left))){
+ /* if left is same as result */
+ for(;size--; offset++) {
+ if(AOP_TYPE(right) == AOP_LIT){
+ int t = (lit >> (offset*8)) & 0x0FFL;
+ if(t == 0x00L)
+ continue;
+ else
+ if (IS_AOP_PREG(left)) {
+ MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE));
+ aopPut(AOP(result),"a",offset);
+ } else {
+ emitpcode(POC_MOVLW, popGetLit(t));
+ emitpcode(POC_XORWF,popGet(AOP(left),offset));
+ pic14_emitcode("xrl","%s,%s",
+ aopGet(AOP(left),offset,FALSE,TRUE),
+ aopGet(AOP(right),offset,FALSE,FALSE));
+ }
+ } else {
+ if (AOP_TYPE(left) == AOP_ACC)
+ pic14_emitcode("xrl","a,%s",aopGet(AOP(right),offset,FALSE,FALSE));
+ else {
+ emitpcode(POC_MOVFW,popGet(AOP(right),offset));
+ emitpcode(POC_XORWF,popGet(AOP(left),offset));
+/*
+ if (IS_AOP_PREG(left)) {
+ pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE));
+ aopPut(AOP(result),"a",offset);
+ } else
+ pic14_emitcode("xrl","%s,a",
+ aopGet(AOP(left),offset,FALSE,TRUE));
+*/
+ }
+ }
+ }
+ } else {
+ // left & result in different registers
+ if(AOP_TYPE(result) == AOP_CRY){
+ // result = bit
+ // if(size), result in bit
+ // if(!size && ifx), conditional oper: if(left ^ right)
+ symbol *tlbl = newiTempLabel(NULL);
+ int sizer = max(AOP_SIZE(left),AOP_SIZE(right));
+ if(size)
+ pic14_emitcode("setb","c");
+ while(sizer--){
+ if((AOP_TYPE(right) == AOP_LIT) &&
+ (((lit >> (offset*8)) & 0x0FFL) == 0x00L)){
+ MOVA(aopGet(AOP(left),offset,FALSE,FALSE));
+ } else {
+ MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("xrl","a,%s",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ }
+ pic14_emitcode("jnz","%05d_DS_",tlbl->key+100);
+ offset++;
+ }
+ if(size){
+ CLRC;
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitC(result);
+ } else if(ifx)
+ jmpTrueOrFalse(ifx, tlbl);
+ } else for(;(size--);offset++){
+ // normal case
+ // result = left & right
+ if(AOP_TYPE(right) == AOP_LIT){
+ int t = (lit >> (offset*8)) & 0x0FFL;
+ switch(t) {
+ case 0x00:
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
+ pic14_emitcode("movf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+ break;
+ case 0xff:
+ emitpcode(POC_COMFW,popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
+ pic14_emitcode("comf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+ break;
+ default:
+ emitpcode(POC_MOVLW, popGetLit(t));
+ emitpcode(POC_XORFW,popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
+ pic14_emitcode("movlw","0x%x",t);
+ pic14_emitcode("xorwf","%s,w",
+ aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",
+ aopGet(AOP(result),offset,FALSE,FALSE));
+
+ }
+ continue;
+ }
- // faster than result <- left, anl result,right
- // and better if result is SFR
- if (AOP_TYPE(left) == AOP_ACC)
- emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("xorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
+ // faster than result <- left, anl result,right
+ // and better if result is SFR
+ if (AOP_TYPE(left) == AOP_ACC) {
+ emitpcode(POC_XORFW,popGet(AOP(right),offset));
+ pic14_emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ } else {
+ emitpcode(POC_MOVFW,popGet(AOP(right),offset));
+ emitpcode(POC_XORFW,popGet(AOP(left),offset));
+ pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("xorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
+ }
+ if ( AOP_TYPE(result) != AOP_ACC){
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset));
+ pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
}
- if ( AOP_TYPE(result) != AOP_ACC)
- emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
- }
}
+ }
-release :
+ release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genInline (iCode *ic)
{
- char buffer[MAX_INLINEASM];
- char *bp = buffer;
- char *bp1= buffer;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ char *buffer, *bp, *bp1;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
_G.inLine += (!options.asmpeep);
+
+ buffer = bp = bp1 = Safe_calloc(1, strlen(IC_INLINE(ic))+1);
strcpy(buffer,IC_INLINE(ic));
/* emit each line as a code */
while (*bp) {
if (*bp == '\n') {
*bp++ = '\0';
- emitcode(bp1,"");
+ pic14_emitcode(bp1,"");
bp1 = bp;
} else {
if (*bp == ':') {
bp++;
*bp = '\0';
bp++;
- emitcode(bp1,"");
+ pic14_emitcode(bp1,"");
bp1 = bp;
} else
bp++;
}
}
if (bp1 != bp)
- emitcode(bp1,"");
- /* emitcode("",buffer); */
+ pic14_emitcode(bp1,"");
+ /* pic14_emitcode("",buffer); */
_G.inLine -= (!options.asmpeep);
}
/*-----------------------------------------------------------------*/
static void genRRC (iCode *ic)
{
- operand *left , *result ;
- int size, offset = 0;
- char *l;
+ operand *left , *result ;
+ int size, offset = 0, same;
- /* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ /* rotate right with carry */
+ left = IC_LEFT(ic);
+ result=IC_RESULT(ic);
+ aopOp (left,ic,FALSE);
+ aopOp (result,ic,FALSE);
- /* move it to the result */
- size = AOP_SIZE(result);
- offset = size - 1 ;
- CLRC;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- emitcode("rrc","a");
- if (AOP_SIZE(result) > 1)
- aopPut(AOP(result),"a",offset--);
- }
- /* now we need to put the carry into the
- highest order byte of the result */
- if (AOP_SIZE(result) > 1) {
- l = aopGet(AOP(result),AOP_SIZE(result)-1,FALSE,FALSE);
- MOVA(l);
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ same = pic14_sameRegs(AOP(result),AOP(left));
+
+ size = AOP_SIZE(result);
+
+ /* get the lsb and put it into the carry */
+ emitpcode(POC_RRFW, popGet(AOP(left),size-1));
+
+ offset = 0 ;
+
+ while(size--) {
+
+ if(same) {
+ emitpcode(POC_RRF, popGet(AOP(left),offset));
+ } else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
}
- emitcode("mov","acc.7,c");
- aopPut(AOP(result),"a",AOP_SIZE(result)-1);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+
+ offset++;
+ }
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* genRLC - generate code for rotate left with carry */
/*-----------------------------------------------------------------*/
static void genRLC (iCode *ic)
-{
- operand *left , *result ;
- int size, offset = 0;
- char *l;
+{
+ operand *left , *result ;
+ int size, offset = 0;
+ int same;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* rotate right with carry */
+ left = IC_LEFT(ic);
+ result=IC_RESULT(ic);
+ aopOp (left,ic,FALSE);
+ aopOp (result,ic,FALSE);
- /* move it to the result */
- size = AOP_SIZE(result);
- offset = 0 ;
- if (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- emitcode("add","a,acc");
- if (AOP_SIZE(result) > 1)
- aopPut(AOP(result),"a",offset++);
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- emitcode("rlc","a");
- if (AOP_SIZE(result) > 1)
- aopPut(AOP(result),"a",offset++);
- }
- }
- /* now we need to put the carry into the
- highest order byte of the result */
- if (AOP_SIZE(result) > 1) {
- l = aopGet(AOP(result),0,FALSE,FALSE);
- MOVA(l);
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ same = pic14_sameRegs(AOP(result),AOP(left));
+
+ /* move it to the result */
+ size = AOP_SIZE(result);
+
+ /* get the msb and put it into the carry */
+ emitpcode(POC_RLFW, popGet(AOP(left),size-1));
+
+ offset = 0 ;
+
+ while(size--) {
+
+ if(same) {
+ emitpcode(POC_RLF, popGet(AOP(left),offset));
+ } else {
+ emitpcode(POC_RLFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
}
- emitcode("mov","acc.0,c");
- aopPut(AOP(result),"a",0);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+
+ offset++;
+ }
+
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
aopOp (left,ic,FALSE);
aopOp (result,ic,FALSE);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* get the highest order byte into a */
MOVA(aopGet(AOP(left),AOP_SIZE(left) - 1,FALSE,FALSE));
if(AOP_TYPE(result) == AOP_CRY){
- emitcode("rlc","a");
- outBitC(result);
+ pic14_emitcode("rlc","a");
+ pic14_outBitC(result);
}
else{
- emitcode("rl","a");
- emitcode("anl","a,#0x01");
- outAcc(result);
+ pic14_emitcode("rl","a");
+ pic14_emitcode("anl","a,#0x01");
+ pic14_outAcc(result);
}
/*-----------------------------------------------------------------*/
static void AccRol (int shCount)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
shCount &= 0x0007; // shCount : 0..7
switch(shCount){
case 0 :
break;
case 1 :
- emitcode("rl","a");
+ pic14_emitcode("rl","a");
break;
case 2 :
- emitcode("rl","a");
- emitcode("rl","a");
+ pic14_emitcode("rl","a");
+ pic14_emitcode("rl","a");
break;
case 3 :
- emitcode("swap","a");
- emitcode("rr","a");
+ pic14_emitcode("swap","a");
+ pic14_emitcode("rr","a");
break;
case 4 :
- emitcode("swap","a");
+ pic14_emitcode("swap","a");
break;
case 5 :
- emitcode("swap","a");
- emitcode("rl","a");
+ pic14_emitcode("swap","a");
+ pic14_emitcode("rl","a");
break;
case 6 :
- emitcode("rr","a");
- emitcode("rr","a");
+ pic14_emitcode("rr","a");
+ pic14_emitcode("rr","a");
break;
case 7 :
- emitcode("rr","a");
+ pic14_emitcode("rr","a");
break;
}
}
/*-----------------------------------------------------------------*/
static void AccLsh (int shCount)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(shCount != 0){
if(shCount == 1)
- emitcode("add","a,acc");
- else
- if(shCount == 2) {
- emitcode("add","a,acc");
- emitcode("add","a,acc");
+ pic14_emitcode("add","a,acc");
+ else
+ if(shCount == 2) {
+ pic14_emitcode("add","a,acc");
+ pic14_emitcode("add","a,acc");
} else {
/* rotate left accumulator */
AccRol(shCount);
/* and kill the lower order bits */
- emitcode("anl","a,#0x%02x", SLMask[shCount]);
+ pic14_emitcode("anl","a,#0x%02x", SLMask[shCount]);
}
}
}
/*-----------------------------------------------------------------*/
static void AccRsh (int shCount)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(shCount != 0){
if(shCount == 1){
CLRC;
- emitcode("rrc","a");
+ pic14_emitcode("rrc","a");
} else {
/* rotate right accumulator */
AccRol(8 - shCount);
/* and kill the higher order bits */
- emitcode("anl","a,#0x%02x", SRMask[shCount]);
+ pic14_emitcode("anl","a,#0x%02x", SRMask[shCount]);
}
}
}
+#if 0
/*-----------------------------------------------------------------*/
/* AccSRsh - signed right shift accumulator by known count */
/*-----------------------------------------------------------------*/
static void AccSRsh (int shCount)
{
symbol *tlbl ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(shCount != 0){
if(shCount == 1){
- emitcode("mov","c,acc.7");
- emitcode("rrc","a");
+ pic14_emitcode("mov","c,acc.7");
+ pic14_emitcode("rrc","a");
} else if(shCount == 2){
- emitcode("mov","c,acc.7");
- emitcode("rrc","a");
- emitcode("mov","c,acc.7");
- emitcode("rrc","a");
+ pic14_emitcode("mov","c,acc.7");
+ pic14_emitcode("rrc","a");
+ pic14_emitcode("mov","c,acc.7");
+ pic14_emitcode("rrc","a");
} else {
tlbl = newiTempLabel(NULL);
/* rotate right accumulator */
AccRol(8 - shCount);
/* and kill the higher order bits */
- emitcode("anl","a,#0x%02x", SRMask[shCount]);
- emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- emitcode("orl","a,#0x%02x",
+ pic14_emitcode("anl","a,#0x%02x", SRMask[shCount]);
+ pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
+ pic14_emitcode("orl","a,#0x%02x",
(unsigned char)~SRMask[shCount]);
- emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
}
}
}
+#endif
+/*-----------------------------------------------------------------*/
+/* shiftR1Left2Result - shift right one byte from left to result */
+/*-----------------------------------------------------------------*/
+static void shiftR1Left2ResultSigned (operand *left, int offl,
+ operand *result, int offr,
+ int shCount)
+{
+ int same;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ same = (left == result) || (AOP(left) == AOP(result));
+
+ switch(shCount) {
+ case 1:
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ if(same)
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+
+ break;
+
+ default:
+ break;
+ }
+}
/*-----------------------------------------------------------------*/
/* shiftR1Left2Result - shift right one byte from left to result */
operand *result, int offr,
int shCount, int sign)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
- /* shift right accumulator */
- if(sign)
- AccSRsh(shCount);
- else
- AccRsh(shCount);
- aopPut(AOP(result),"a",offr);
+ int same;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr);
+
+ /* Copy the msb into the carry if signed. */
+ if(sign) {
+ shiftR1Left2ResultSigned(left,offl,result,offr,shCount);
+ return;
+ }
+
+
+
+ switch(shCount) {
+ case 1:
+ emitCLRC;
+ if(same)
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+ break;
+ case 2:
+ emitCLRC;
+ if(same) {
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+ emitCLRC;
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+
+ break;
+ case 3:
+ if(same)
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr));
+ else {
+ emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW, popGetLit(0x1f));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+
+ case 4:
+ emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+
+ case 5:
+ emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ emitCLRC;
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+
+ break;
+ case 6:
+
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x80));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ break;
+
+ case 7:
+
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+
+ break;
+
+ default:
+ break;
+ }
+
+
+#if 0
+
+ MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
+
+ /* shift right accumulator */
+ if(sign)
+ AccSRsh(shCount);
+ else
+ AccRsh(shCount);
+ aopPut(AOP(result),"a",offr);
+#endif
}
/*-----------------------------------------------------------------*/
static void shiftL1Left2Result (operand *left, int offl,
operand *result, int offr, int shCount)
{
- char *l;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- l = aopGet(AOP(left),offl,FALSE,FALSE);
- MOVA(l);
+ int same;
+
+ // char *l;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ same = ((left == result) || (AOP(left) == AOP(result))) && (offl==offr);
+ DEBUGpic14_emitcode ("; ***","same = %d",same);
+ // l = aopGet(AOP(left),offl,FALSE,FALSE);
+ // MOVA(l);
/* shift left accumulator */
- AccLsh(shCount);
- aopPut(AOP(result),"a",offr);
+ //AccLsh(shCount); // don't comment out just yet...
+ // aopPut(AOP(result),"a",offr);
+
+ switch(shCount) {
+ case 1:
+ /* Shift left 1 bit position */
+ emitpcode(POC_MOVFW, popGet(AOP(left),offl));
+ if(same) {
+ emitpcode(POC_ADDWF, popGet(AOP(left),offl));
+ } else {
+ emitpcode(POC_ADDFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+ break;
+ case 2:
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW,popGetLit(0x7e));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF,popGet(AOP(result),offr));
+ break;
+ case 3:
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW,popGetLit(0x3e));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF,popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ break;
+ case 4:
+ emitpcode(POC_SWAPFW,popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0xf0));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ break;
+ case 5:
+ emitpcode(POC_SWAPFW,popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0xf0));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF,popGet(AOP(result),offr));
+ break;
+ case 6:
+ emitpcode(POC_SWAPFW,popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x30));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF,popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ break;
+ case 7:
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ break;
+
+ default:
+ DEBUGpic14_emitcode ("; ***","%s %d, shift count is %d",__FUNCTION__,__LINE__,shCount);
+ }
+
}
/*-----------------------------------------------------------------*/
operand *result, int offr, int sign)
{
char *l;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(!sameRegs(AOP(left),AOP(result)) || (offl != offr)){
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if(!pic14_sameRegs(AOP(left),AOP(result)) || (offl != offr)){
l = aopGet(AOP(left),offl,FALSE,FALSE);
if (*l == '@' && (IS_AOP_PREG(result))) {
- emitcode("mov","a,%s",l);
+ pic14_emitcode("mov","a,%s",l);
aopPut(AOP(result),"a",offr);
} else {
- if(!sign)
- aopPut(AOP(result),l,offr);
- else{
+ if(!sign) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+
+ //aopPut(AOP(result),l,offr);
+ }else{
/* MSB sign in acc.7 ! */
- if(getDataSize(left) == offl+1){
- emitcode("mov","a,%s",l);
+ if(pic14_getDataSize(left) == offl+1){
+ pic14_emitcode("mov","a,%s",l);
aopPut(AOP(result),"a",offr);
}
}
}
/*-----------------------------------------------------------------*/
-/* AccAXRrl1 - right rotate c->a:x->c by 1 */
+/* shiftL2Left2Result - shift left two bytes from left to result */
/*-----------------------------------------------------------------*/
-static void AccAXRrl1 (char *x)
+static void shiftL2Left2Result (operand *left, int offl,
+ operand *result, int offr, int shCount)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- emitcode("rrc","a");
- emitcode("xch","a,%s", x);
- emitcode("rrc","a");
- emitcode("xch","a,%s", x);
-}
-/*-----------------------------------------------------------------*/
-/* AccAXLrl1 - left rotate c<-a:x<-c by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXLrl1 (char *x)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- emitcode("xch","a,%s",x);
- emitcode("rlc","a");
- emitcode("xch","a,%s",x);
- emitcode("rlc","a");
-}
-/*-----------------------------------------------------------------*/
-/* AccAXLsh1 - left shift a:x<-0 by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXLsh1 (char *x)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- emitcode("xch","a,%s",x);
- emitcode("add","a,acc");
- emitcode("xch","a,%s",x);
- emitcode("rlc","a");
-}
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
-/*-----------------------------------------------------------------*/
-/* AccAXLsh - left shift a:x by known count (0..7) */
-/*-----------------------------------------------------------------*/
-static void AccAXLsh (char *x, int shCount)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- AccAXLsh1(x);
- break;
- case 2 :
- AccAXLsh1(x);
- AccAXLsh1(x);
- break;
- case 3 :
- case 4 :
- case 5 : // AAAAABBB:CCCCCDDD
- AccRol(shCount); // BBBAAAAA:CCCCCDDD
- emitcode("anl","a,#0x%02x",
- SLMask[shCount]); // BBB00000:CCCCCDDD
- emitcode("xch","a,%s",x); // CCCCCDDD:BBB00000
- AccRol(shCount); // DDDCCCCC:BBB00000
- emitcode("xch","a,%s",x); // BBB00000:DDDCCCCC
- emitcode("xrl","a,%s",x); // (BBB^DDD)CCCCC:DDDCCCCC
- emitcode("xch","a,%s",x); // DDDCCCCC:(BBB^DDD)CCCCC
- emitcode("anl","a,#0x%02x",
- SLMask[shCount]); // DDD00000:(BBB^DDD)CCCCC
- emitcode("xch","a,%s",x); // (BBB^DDD)CCCCC:DDD00000
- emitcode("xrl","a,%s",x); // BBBCCCCC:DDD00000
- break;
- case 6 : // AAAAAABB:CCCCCCDD
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000BB:CCCCCCDD
- emitcode("mov","c,acc.0"); // c = B
- emitcode("xch","a,%s",x); // CCCCCCDD:000000BB
- AccAXRrl1(x); // BCCCCCCD:D000000B
- AccAXRrl1(x); // BBCCCCCC:DD000000
- break;
- case 7 : // a:x <<= 7
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000B:CCCCCCCD
- emitcode("mov","c,acc.0"); // c = B
- emitcode("xch","a,%s",x); // CCCCCCCD:0000000B
- AccAXRrl1(x); // BCCCCCCC:D0000000
- break;
- default :
- break;
- }
-}
+ if(pic14_sameRegs(AOP(result), AOP(left))) {
+ switch(shCount) {
+ case 0:
+ break;
+ case 1:
+ case 2:
+ case 3:
+
+ emitpcode(POC_MOVFW,popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF,popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+
+ while(--shCount) {
+ emitCLRC;
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ }
-/*-----------------------------------------------------------------*/
-/* AccAXRsh - right shift a:x known count (0..7) */
-/*-----------------------------------------------------------------*/
-static void AccAXRsh (char *x, int shCount)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- CLRC;
- AccAXRrl1(x); // 0->a:x
- break;
- case 2 :
- CLRC;
- AccAXRrl1(x); // 0->a:x
- CLRC;
- AccAXRrl1(x); // 0->a:x
- break;
- case 3 :
- case 4 :
- case 5 : // AAAAABBB:CCCCCDDD = a:x
- AccRol(8 - shCount); // BBBAAAAA:DDDCCCCC
- emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA
- AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000CCCCC:BBBAAAAA
- emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA
- emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA)
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA)
- emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA
- emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA
- emitcode("xch","a,%s",x); // 000AAAAA:BBBCCCCC
- break;
- case 6 : // AABBBBBB:CCDDDDDD
- emitcode("mov","c,acc.7");
- AccAXLrl1(x); // ABBBBBBC:CDDDDDDA
- AccAXLrl1(x); // BBBBBBCC:DDDDDDAA
- emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000AA:BBBBBBCC
- break;
- case 7 : // ABBBBBBB:CDDDDDDD
- emitcode("mov","c,acc.7"); // c = A
- AccAXLrl1(x); // BBBBBBBC:DDDDDDDA
- emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000A:BBBBBBBC
- break;
- default :
- break;
+ break;
+ case 4:
+ case 5:
+ emitpcode(POC_MOVLW, popGetLit(0x0f));
+ emitpcode(POC_ANDWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr));
+ emitpcode(POC_ANDFW, popGet(AOP(result),offr));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr+MSB16));
+ if(shCount >=5) {
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ }
+ break;
+ case 6:
+ emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ emitpcode(POC_RRFW, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDLW,popGetLit(0xc0));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr));
+ emitpcode(POC_XORWF,popGet(AOP(result),offr));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ break;
+ case 7:
+ emitpcode(POC_RRFW, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRFW, popGet(AOP(result),offr));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
}
-}
-/*-----------------------------------------------------------------*/
-/* AccAXRshS - right shift signed a:x known count (0..7) */
-/*-----------------------------------------------------------------*/
-static void AccAXRshS (char *x, int shCount)
-{
- symbol *tlbl ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- break;
- case 2 :
- emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- break;
- case 3 :
- case 4 :
- case 5 : // AAAAABBB:CCCCCDDD = a:x
- tlbl = newiTempLabel(NULL);
- AccRol(8 - shCount); // BBBAAAAA:CCCCCDDD
- emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA
- AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000CCCCC:BBBAAAAA
- emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA
- emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA)
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA)
- emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA
- emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA
- emitcode("xch","a,%s",x); // 000SAAAA:BBBCCCCC
- emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 111AAAAA:BBBCCCCC
- emitcode("","%05d_DS_:",tlbl->key+100);
- break; // SSSSAAAA:BBBCCCCC
- case 6 : // AABBBBBB:CCDDDDDD
- tlbl = newiTempLabel(NULL);
- emitcode("mov","c,acc.7");
- AccAXLrl1(x); // ABBBBBBC:CDDDDDDA
- AccAXLrl1(x); // BBBBBBCC:DDDDDDAA
- emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000AA:BBBBBBCC
- emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 111111AA:BBBBBBCC
- emitcode("","%05d_DS_:",tlbl->key+100);
- break;
- case 7 : // ABBBBBBB:CDDDDDDD
- tlbl = newiTempLabel(NULL);
- emitcode("mov","c,acc.7"); // c = A
- AccAXLrl1(x); // BBBBBBBC:DDDDDDDA
- emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC
- emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000A:BBBBBBBC
- emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 1111111A:BBBBBBBC
- emitcode("","%05d_DS_:",tlbl->key+100);
- break;
- default :
- break;
- }
-}
+ } else {
+ switch(shCount) {
+ case 0:
+ break;
+ case 1:
+ case 2:
+ case 3:
+ /* note, use a mov/add for the shift since the mov has a
+ chance of getting optimized out */
+ emitpcode(POC_MOVFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr));
+ emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16));
+
+ while(--shCount) {
+ emitCLRC;
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ }
+ break;
-/*-----------------------------------------------------------------*/
-/* shiftL2Left2Result - shift left two bytes from left to result */
-/*-----------------------------------------------------------------*/
-static void shiftL2Left2Result (operand *left, int offl,
- operand *result, int offr, int shCount)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(sameRegs(AOP(result), AOP(left)) &&
- ((offl + MSB16) == offr)){
- /* don't crash result[offr] */
- MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
- emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
- } else {
- movLeft2Result(left,offl, result, offr, 0);
- MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+ case 4:
+ case 5:
+ emitpcode(POC_SWAPFW,popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_ANDLW, popGetLit(0xF0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_SWAPFW,popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW, popGetLit(0xF0));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr+MSB16));
+
+
+ if(shCount == 5) {
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ }
+ break;
+ case 6:
+ emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRFW, popGet(AOP(result),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+
+ emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ emitpcode(POC_RRFW, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDLW,popGetLit(0xc0));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr));
+ emitpcode(POC_XORWF,popGet(AOP(result),offr));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ break;
+ case 7:
+ emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
}
- /* ax << shCount (x = lsb(result))*/
- AccAXLsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
- aopPut(AOP(result),"a",offr+MSB16);
-}
-
+ }
+}
/*-----------------------------------------------------------------*/
/* shiftR2Left2Result - shift right two bytes from left to result */
/*-----------------------------------------------------------------*/
operand *result, int offr,
int shCount, int sign)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(sameRegs(AOP(result), AOP(left)) &&
- ((offl + MSB16) == offr)){
- /* don't crash result[offr] */
- MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
- emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+ int same=0;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ same = pic14_sameRegs(AOP(result), AOP(left));
+
+ if(same && ((offl + MSB16) == offr)){
+ same=1;
+ /* don't crash result[offr] */
+ MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
+ pic14_emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+ } else {
+ movLeft2Result(left,offl, result, offr, 0);
+ MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+ }
+ /* a:x >> shCount (x = lsb(result))*/
+/*
+ if(sign)
+ AccAXRshS( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
+ else {
+ AccAXRsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
+*/
+ switch(shCount) {
+ case 0:
+ break;
+ case 1:
+ case 2:
+ case 3:
+ emitCLRC;
+ if(same) {
+ emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF,popGet(AOP(result),offr));
} else {
- movLeft2Result(left,offl, result, offr, 0);
- MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+
+ emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
}
- /* a:x >> shCount (x = lsb(result))*/
- if(sign)
- AccAXRshS( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
- else
- AccAXRsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
- if(getDataSize(result) > 1)
- aopPut(AOP(result),"a",offr+MSB16);
+
+ while(--shCount) {
+ emitCLRC;
+ emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF,popGet(AOP(result),offr));
+ }
+ break;
+ case 4:
+ case 5:
+ if(same) {
+
+ emitpcode(POC_MOVLW, popGetLit(0xf0));
+ emitpcode(POC_ANDWF, popGet(AOP(result),offr));
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr));
+
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDFW, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_SWAPF, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+
+ emitpcode(POC_SWAPF, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDLW, popGetLit(0xf0));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr));
+ }
+
+ if(shCount >=5) {
+ emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ }
+
+ break;
+
+ case 6:
+ if(same) {
+
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW,popGetLit(0x03));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_XORWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLFW, popGet(AOP(result),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW,popGetLit(0x03));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ }
+
+ break;
+ case 7:
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_CLRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ }
}
+
/*-----------------------------------------------------------------*/
/* shiftLLeftOrResult - shift left one byte from left, or to result*/
/*-----------------------------------------------------------------*/
static void shiftLLeftOrResult (operand *left, int offl,
operand *result, int offr, int shCount)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
/* shift left accumulator */
AccLsh(shCount);
/* or with result */
- emitcode("orl","a,%s", aopGet(AOP(result),offr,FALSE,FALSE));
+ pic14_emitcode("orl","a,%s", aopGet(AOP(result),offr,FALSE,FALSE));
/* back to result */
aopPut(AOP(result),"a",offr);
}
static void shiftRLeftOrResult (operand *left, int offl,
operand *result, int offr, int shCount)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
/* shift right accumulator */
AccRsh(shCount);
/* or with result */
- emitcode("orl","a,%s", aopGet(AOP(result),offr,FALSE,FALSE));
+ pic14_emitcode("orl","a,%s", aopGet(AOP(result),offr,FALSE,FALSE));
/* back to result */
aopPut(AOP(result),"a",offr);
}
/* genlshOne - left shift a one byte quantity by known count */
/*-----------------------------------------------------------------*/
static void genlshOne (operand *result, operand *left, int shCount)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+{
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
shiftL1Left2Result(left, LSB, result, LSB, shCount);
}
static void genlshTwo (operand *result,operand *left, int shCount)
{
int size;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- size = getDataSize(result);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ size = pic14_getDataSize(result);
/* if shCount >= 8 */
if (shCount >= 8) {
if (size > 1){
if (shCount)
shiftL1Left2Result(left, LSB, result, MSB16, shCount);
- else
+ else
movLeft2Result(left, LSB, result, MSB16, 0);
}
- aopPut(AOP(result),zero,LSB);
+ emitpcode(POC_CLRF,popGet(AOP(result),LSB));
}
/* 1 <= shCount <= 7 */
- else {
+ else {
if(size == 1)
- shiftL1Left2Result(left, LSB, result, LSB, shCount);
- else
+ shiftL1Left2Result(left, LSB, result, LSB, shCount);
+ else
shiftL2Left2Result(left, LSB, result, LSB, shCount);
}
}
char *l;
int size = AOP_SIZE(result);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(size >= LSB+offr){
l = aopGet(AOP(left),LSB,FALSE,FALSE);
MOVA(l);
- emitcode("add","a,acc");
- if (sameRegs(AOP(left),AOP(result)) &&
- size >= MSB16+offr && offr != LSB )
- emitcode("xch","a,%s",
- aopGet(AOP(left),LSB+offr,FALSE,FALSE));
- else
- aopPut(AOP(result),"a",LSB+offr);
+ pic14_emitcode("add","a,acc");
+ if (pic14_sameRegs(AOP(left),AOP(result)) &&
+ size >= MSB16+offr && offr != LSB )
+ pic14_emitcode("xch","a,%s",
+ aopGet(AOP(left),LSB+offr,FALSE,FALSE));
+ else
+ aopPut(AOP(result),"a",LSB+offr);
}
if(size >= MSB16+offr){
- if (!(sameRegs(AOP(result),AOP(left)) && size >= MSB16+offr && offr != LSB) ) {
- l = aopGet(AOP(left),MSB16,FALSE,FALSE);
- MOVA(l);
- }
- emitcode("rlc","a");
- if (sameRegs(AOP(left),AOP(result)) &&
- size >= MSB24+offr && offr != LSB)
- emitcode("xch","a,%s",
- aopGet(AOP(left),MSB16+offr,FALSE,FALSE));
- else
- aopPut(AOP(result),"a",MSB16+offr);
+ if (!(pic14_sameRegs(AOP(result),AOP(left)) && size >= MSB16+offr && offr != LSB) ) {
+ l = aopGet(AOP(left),MSB16,FALSE,FALSE);
+ MOVA(l);
+ }
+ pic14_emitcode("rlc","a");
+ if (pic14_sameRegs(AOP(left),AOP(result)) &&
+ size >= MSB24+offr && offr != LSB)
+ pic14_emitcode("xch","a,%s",
+ aopGet(AOP(left),MSB16+offr,FALSE,FALSE));
+ else
+ aopPut(AOP(result),"a",MSB16+offr);
}
if(size >= MSB24+offr){
- if (!(sameRegs(AOP(left),AOP(left)) && size >= MSB24+offr && offr != LSB)) {
- l = aopGet(AOP(left),MSB24,FALSE,FALSE);
- MOVA(l);
- }
- emitcode("rlc","a");
- if (sameRegs(AOP(left),AOP(result)) &&
- size >= MSB32+offr && offr != LSB )
- emitcode("xch","a,%s",
- aopGet(AOP(left),MSB24+offr,FALSE,FALSE));
- else
- aopPut(AOP(result),"a",MSB24+offr);
+ if (!(pic14_sameRegs(AOP(left),AOP(left)) && size >= MSB24+offr && offr != LSB)) {
+ l = aopGet(AOP(left),MSB24,FALSE,FALSE);
+ MOVA(l);
+ }
+ pic14_emitcode("rlc","a");
+ if (pic14_sameRegs(AOP(left),AOP(result)) &&
+ size >= MSB32+offr && offr != LSB )
+ pic14_emitcode("xch","a,%s",
+ aopGet(AOP(left),MSB24+offr,FALSE,FALSE));
+ else
+ aopPut(AOP(result),"a",MSB24+offr);
}
if(size > MSB32+offr){
- if (!(sameRegs(AOP(result),AOP(left)) && size >= MSB32+offr && offr != LSB)) {
- l = aopGet(AOP(left),MSB32,FALSE,FALSE);
- MOVA(l);
- }
- emitcode("rlc","a");
+ if (!(pic14_sameRegs(AOP(result),AOP(left)) && size >= MSB32+offr && offr != LSB)) {
+ l = aopGet(AOP(left),MSB32,FALSE,FALSE);
+ MOVA(l);
+ }
+ pic14_emitcode("rlc","a");
aopPut(AOP(result),"a",MSB32+offr);
}
if(offr != LSB)
- aopPut(AOP(result),zero,LSB);
+ aopPut(AOP(result),zero,LSB);
}
/*-----------------------------------------------------------------*/
{
int size;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
size = AOP_SIZE(result);
/* if shifting more that 3 bytes */
aopPut(AOP(result),zero,MSB16);
aopPut(AOP(result),zero,LSB);
return;
- }
+ }
/* if more than 1 byte */
else if ( shCount >= 8 ) {
operand *right,
operand *result,
iCode *ic)
-{
+{
int shCount = (int) floatFromVal (AOP(right)->aopu.aop_lit);
int size;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
freeAsmop(right,NULL,ic,TRUE);
aopOp(left,ic,FALSE);
size = getSize(operandType(result));
#if VIEW_SIZE
- emitcode("; shift left ","result %d, left %d",size,
+ pic14_emitcode("; shift left ","result %d, left %d",size,
AOP_SIZE(left));
#endif
char *l;
symbol *tlbl , *tlbl1;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
right = IC_RIGHT(ic);
left = IC_LEFT(ic);
aopOp(right,ic,FALSE);
- /* if the shift count is known then do it
+ /* if the shift count is known then do it
as efficiently as possible */
if (AOP_TYPE(right) == AOP_LIT) {
genLeftShiftLiteral (left,right,result,ic);
return ;
}
- /* shift count is unknown then we have to form
+ /* shift count is unknown then we have to form
a loop get the loop count in B : Note: we take
only the lower order byte since shifting
more that 32 bits make no sense anyway, ( the
- largest size of an object can be only 32 bits ) */
+ largest size of an object can be only 32 bits ) */
- emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
- emitcode("inc","b");
- freeAsmop (right,NULL,ic,TRUE);
+
aopOp(left,ic,FALSE);
aopOp(result,ic,FALSE);
/* now move the left to the result if they are not the
same */
- if (!sameRegs(AOP(left),AOP(result)) &&
+ if (!pic14_sameRegs(AOP(left),AOP(result)) &&
AOP_SIZE(result) > 1) {
size = AOP_SIZE(result);
l = aopGet(AOP(left),offset,FALSE,TRUE);
if (*l == '@' && (IS_AOP_PREG(result))) {
- emitcode("mov","a,%s",l);
+ pic14_emitcode("mov","a,%s",l);
aopPut(AOP(result),"a",offset);
} else
aopPut(AOP(result),l,offset);
}
}
- tlbl = newiTempLabel(NULL);
- size = AOP_SIZE(result);
- offset = 0 ;
- tlbl1 = newiTempLabel(NULL);
+ size = AOP_SIZE(result);
/* if it is only one byte then */
if (size == 1) {
- symbol *tlbl1 = newiTempLabel(NULL);
+ if(optimized_for_speed) {
+ emitpcode(POC_SWAPFW, popGet(AOP(left),0));
+ emitpcode(POC_ANDLW, popGetLit(0xf0));
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),2,0));
+ emitpcode(POC_MOVFW, popGet(AOP(left),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),0,0));
+ emitpcode(POC_ADDWF, popGet(AOP(result),0));
+ emitpcode(POC_RLFW, popGet(AOP(result),0));
+ emitpcode(POC_ANDLW, popGetLit(0xfe));
+ emitpcode(POC_ADDFW, popGet(AOP(result),0));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),1,0));
+ emitpcode(POC_ADDWF, popGet(AOP(result),0));
+ } else {
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
- emitcode("add","a,acc");
- emitcode("","%05d_DS_:",tlbl1->key+100);
- emitcode("djnz","b,%05d_DS_",tlbl->key+100);
- aopPut(AOP(result),"a",0);
- goto release ;
+ tlbl = newiTempLabel(NULL);
+ if (!pic14_sameRegs(AOP(left),AOP(result))) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
+ }
+
+ emitpcode(POC_COMFW, popGet(AOP(right),0));
+ emitpcode(POC_RRF, popGet(AOP(result),0));
+ emitpLabel(tlbl->key);
+ emitpcode(POC_RLF, popGet(AOP(result),0));
+ emitpcode(POC_ADDLW, popGetLit(1));
+ emitSKPC;
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ }
+ goto release ;
}
+
- reAdjustPreg(AOP(result));
+ tlbl = newiTempLabel(NULL);
+ offset = 0 ;
+ tlbl1 = newiTempLabel(NULL);
- emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
+ reAdjustPreg(AOP(result));
+
+ pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
l = aopGet(AOP(result),offset,FALSE,FALSE);
MOVA(l);
- emitcode("add","a,acc");
+ pic14_emitcode("add","a,acc");
aopPut(AOP(result),"a",offset++);
while (--size) {
l = aopGet(AOP(result),offset,FALSE,FALSE);
MOVA(l);
- emitcode("rlc","a");
+ pic14_emitcode("rlc","a");
aopPut(AOP(result),"a",offset++);
}
reAdjustPreg(AOP(result));
- emitcode("","%05d_DS_:",tlbl1->key+100);
- emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
release:
+ freeAsmop (right,NULL,ic,TRUE);
freeAsmop(left,NULL,ic,TRUE);
freeAsmop(result,NULL,ic,TRUE);
}
static void genrshOne (operand *result, operand *left,
int shCount, int sign)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
shiftR1Left2Result(left, LSB, result, LSB, shCount, sign);
}
static void genrshTwo (operand *result,operand *left,
int shCount, int sign)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if shCount >= 8 */
if (shCount >= 8) {
shCount -= 8 ;
if (shCount)
shiftR1Left2Result(left, MSB16, result, LSB,
shCount, sign);
- else
+ else
movLeft2Result(left, MSB16, result, LSB, sign);
- addSign(result, MSB16, sign);
+ if(sign)
+ addSign(result, MSB16, sign);
+ else
+ emitpcode(POC_CLRF,popGet(AOP(result),MSB16));
+
}
/* 1 <= shCount <= 7 */
else
- shiftR2Left2Result(left, LSB, result, LSB, shCount, sign);
+ shiftR2Left2Result(left, LSB, result, LSB, shCount, sign);
}
/*-----------------------------------------------------------------*/
static void shiftRLong (operand *left, int offl,
operand *result, int sign)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(!sign)
- emitcode("clr","c");
+ pic14_emitcode("clr","c");
MOVA(aopGet(AOP(left),MSB32,FALSE,FALSE));
if(sign)
- emitcode("mov","c,acc.7");
- emitcode("rrc","a");
+ pic14_emitcode("mov","c,acc.7");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"a",MSB32-offl);
if(offl == MSB16)
/* add sign of "a" */
addSign(result, MSB32, sign);
MOVA(aopGet(AOP(left),MSB24,FALSE,FALSE));
- emitcode("rrc","a");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"a",MSB24-offl);
MOVA(aopGet(AOP(left),MSB16,FALSE,FALSE));
- emitcode("rrc","a");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"a",MSB16-offl);
if(offl == LSB){
MOVA(aopGet(AOP(left),LSB,FALSE,FALSE));
- emitcode("rrc","a");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"a",LSB);
}
}
static void genrshFour (operand *result, operand *left,
int shCount, int sign)
{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if shifting more that 3 bytes */
if(shCount >= 24 ) {
shCount -= 24;
operand *result,
iCode *ic,
int sign)
-{
+{
int shCount = (int) floatFromVal (AOP(right)->aopu.aop_lit);
int size;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
freeAsmop(right,NULL,ic,TRUE);
aopOp(left,ic,FALSE);
aopOp(result,ic,FALSE);
#if VIEW_SIZE
- emitcode("; shift right ","result %d, left %d",AOP_SIZE(result),
+ pic14_emitcode("; shift right ","result %d, left %d",AOP_SIZE(result),
AOP_SIZE(left));
#endif
- size = getDataSize(left);
+ size = pic14_getDataSize(left);
/* test the LEFT size !!! */
/* I suppose that the left size >= result size */
if(shCount == 0){
- size = getDataSize(result);
+ size = pic14_getDataSize(result);
while(size--)
movLeft2Result(left, size, result, size, 0);
}
/* we do it the hard way put the shift count in b
and loop thru preserving the sign */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
right = IC_RIGHT(ic);
left = IC_LEFT(ic);
result = IC_RESULT(ic);
- aopOp(right,ic,FALSE);
+ aopOp(right,ic,FALSE);
if ( AOP_TYPE(right) == AOP_LIT) {
- genRightShiftLiteral (left,right,result,ic,1);
- return ;
+ genRightShiftLiteral (left,right,result,ic,1);
+ return ;
}
- /* shift count is unknown then we have to form
+ /* shift count is unknown then we have to form
a loop get the loop count in B : Note: we take
only the lower order byte since shifting
more that 32 bits make no sense anyway, ( the
- largest size of an object can be only 32 bits ) */
+ largest size of an object can be only 32 bits ) */
- emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
- emitcode("inc","b");
+ pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ pic14_emitcode("inc","b");
freeAsmop (right,NULL,ic,TRUE);
aopOp(left,ic,FALSE);
aopOp(result,ic,FALSE);
/* now move the left to the result if they are not the
same */
- if (!sameRegs(AOP(left),AOP(result)) &&
+ if (!pic14_sameRegs(AOP(left),AOP(result)) &&
AOP_SIZE(result) > 1) {
size = AOP_SIZE(result);
l = aopGet(AOP(left),offset,FALSE,TRUE);
if (*l == '@' && IS_AOP_PREG(result)) {
- emitcode("mov","a,%s",l);
+ pic14_emitcode("mov","a,%s",l);
aopPut(AOP(result),"a",offset);
} else
aopPut(AOP(result),l,offset);
}
}
- /* mov the highest order bit to OVR */
+ /* mov the highest order bit to OVR */
tlbl = newiTempLabel(NULL);
tlbl1= newiTempLabel(NULL);
size = AOP_SIZE(result);
offset = size - 1;
- emitcode("mov","a,%s",aopGet(AOP(left),offset,FALSE,FALSE));
- emitcode("rlc","a");
- emitcode("mov","ov,c");
+ pic14_emitcode("mov","a,%s",aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("rlc","a");
+ pic14_emitcode("mov","ov,c");
/* if it is only one byte then */
if (size == 1) {
l = aopGet(AOP(left),0,FALSE,FALSE);
MOVA(l);
- emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
- emitcode("mov","c,ov");
- emitcode("rrc","a");
- emitcode("","%05d_DS_:",tlbl1->key+100);
- emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("mov","c,ov");
+ pic14_emitcode("rrc","a");
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
aopPut(AOP(result),"a",0);
goto release ;
}
reAdjustPreg(AOP(result));
- emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
- emitcode("mov","c,ov");
+ pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("mov","c,ov");
while (size--) {
l = aopGet(AOP(result),offset,FALSE,FALSE);
MOVA(l);
- emitcode("rrc","a");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"a",offset--);
}
reAdjustPreg(AOP(result));
- emitcode("","%05d_DS_:",tlbl1->key+100);
- emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
release:
freeAsmop(left,NULL,ic,TRUE);
/* if signed then we do it the hard way preserve the
sign bit moving it inwards */
retype = getSpec(operandType(IC_RESULT(ic)));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (!SPEC_USIGN(retype)) {
genSignedRightShift (ic);
aopOp(right,ic,FALSE);
- /* if the shift count is known then do it
+ /* if the shift count is known then do it
as efficiently as possible */
if (AOP_TYPE(right) == AOP_LIT) {
genRightShiftLiteral (left,right,result,ic, 0);
return ;
}
- /* shift count is unknown then we have to form
+ /* shift count is unknown then we have to form
a loop get the loop count in B : Note: we take
only the lower order byte since shifting
more that 32 bits make no sense anyway, ( the
- largest size of an object can be only 32 bits ) */
+ largest size of an object can be only 32 bits ) */
- emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
- emitcode("inc","b");
- freeAsmop (right,NULL,ic,TRUE);
+ pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ pic14_emitcode("inc","b");
aopOp(left,ic,FALSE);
aopOp(result,ic,FALSE);
/* now move the left to the result if they are not the
same */
- if (!sameRegs(AOP(left),AOP(result)) &&
+ if (!pic14_sameRegs(AOP(left),AOP(result)) &&
AOP_SIZE(result) > 1) {
size = AOP_SIZE(result);
l = aopGet(AOP(left),offset,FALSE,TRUE);
if (*l == '@' && IS_AOP_PREG(result)) {
- emitcode("mov","a,%s",l);
+ pic14_emitcode("mov","a,%s",l);
aopPut(AOP(result),"a",offset);
} else
aopPut(AOP(result),l,offset);
/* if it is only one byte then */
if (size == 1) {
+/*
l = aopGet(AOP(left),0,FALSE,FALSE);
MOVA(l);
- emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
CLRC;
- emitcode("rrc","a");
- emitcode("","%05d_DS_:",tlbl1->key+100);
- emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("rrc","a");
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
aopPut(AOP(result),"a",0);
+*/
+ tlbl = newiTempLabel(NULL);
+ if (!pic14_sameRegs(AOP(left),AOP(result))) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
+ }
+
+ emitpcode(POC_COMFW, popGet(AOP(right),0));
+ emitpcode(POC_RLF, popGet(AOP(result),0));
+ emitpLabel(tlbl->key);
+ emitpcode(POC_RRF, popGet(AOP(result),0));
+ emitpcode(POC_ADDLW, popGetLit(1));
+ emitSKPC;
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+
goto release ;
}
reAdjustPreg(AOP(result));
- emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
CLRC;
while (size--) {
l = aopGet(AOP(result),offset,FALSE,FALSE);
MOVA(l);
- emitcode("rrc","a");
+ pic14_emitcode("rrc","a");
aopPut(AOP(result),"a",offset--);
}
reAdjustPreg(AOP(result));
- emitcode("","%05d_DS_:",tlbl1->key+100);
- emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
release:
freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop (right,NULL,ic,TRUE);
freeAsmop(result,NULL,ic,TRUE);
}
/* genUnpackBits - generates code for unpacking bits */
/*-----------------------------------------------------------------*/
static void genUnpackBits (operand *result, char *rname, int ptype)
-{
+{
int shCnt ;
int rlen = 0 ;
sym_link *etype;
int offset = 0 ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
etype = getSpec(operandType(result));
/* read the first byte */
case POINTER:
case IPOINTER:
- emitcode("mov","a,@%s",rname);
- break;
-
+ pic14_emitcode("mov","a,@%s",rname);
+ break;
+
case PPOINTER:
- emitcode("movx","a,@%s",rname);
- break;
-
+ pic14_emitcode("movx","a,@%s",rname);
+ break;
+
case FPOINTER:
- emitcode("movx","a,@dptr");
- break;
+ pic14_emitcode("movx","a,@dptr");
+ break;
case CPOINTER:
- emitcode("clr","a");
- emitcode("movc","a","@a+dptr");
- break;
+ pic14_emitcode("clr","a");
+ pic14_emitcode("movc","a","@a+dptr");
+ break;
case GPOINTER:
- emitcode("lcall","__gptrget");
- break;
+ pic14_emitcode("lcall","__gptrget");
+ break;
}
/* if we have bitdisplacement then it fits */
/* into this byte completely or if length is */
/* less than a byte */
- if ((shCnt = SPEC_BSTR(etype)) ||
+ if ((shCnt = SPEC_BSTR(etype)) ||
(SPEC_BLEN(etype) <= 8)) {
/* shift right acc */
AccRsh(shCnt);
- emitcode("anl","a,#0x%02x",
+ pic14_emitcode("anl","a,#0x%02x",
((unsigned char) -1)>>(8 - SPEC_BLEN(etype)));
aopPut(AOP(result),"a",offset);
return ;
while (1) {
- switch (ptype) {
- case POINTER:
- case IPOINTER:
- emitcode("inc","%s",rname);
- emitcode("mov","a,@%s",rname);
- break;
-
- case PPOINTER:
- emitcode("inc","%s",rname);
- emitcode("movx","a,@%s",rname);
- break;
-
- case FPOINTER:
- emitcode("inc","dptr");
- emitcode("movx","a,@dptr");
- break;
-
- case CPOINTER:
- emitcode("clr","a");
- emitcode("inc","dptr");
- emitcode("movc","a","@a+dptr");
- break;
-
- case GPOINTER:
- emitcode("inc","dptr");
- emitcode("lcall","__gptrget");
- break;
- }
-
- rlen -= 8;
- /* if we are done */
- if ( rlen <= 0 )
- break ;
-
- aopPut(AOP(result),"a",offset++);
-
- }
-
+ switch (ptype) {
+ case POINTER:
+ case IPOINTER:
+ pic14_emitcode("inc","%s",rname);
+ pic14_emitcode("mov","a,@%s",rname);
+ break;
+
+ case PPOINTER:
+ pic14_emitcode("inc","%s",rname);
+ pic14_emitcode("movx","a,@%s",rname);
+ break;
+
+ case FPOINTER:
+ pic14_emitcode("inc","dptr");
+ pic14_emitcode("movx","a,@dptr");
+ break;
+
+ case CPOINTER:
+ pic14_emitcode("clr","a");
+ pic14_emitcode("inc","dptr");
+ pic14_emitcode("movc","a","@a+dptr");
+ break;
+
+ case GPOINTER:
+ pic14_emitcode("inc","dptr");
+ pic14_emitcode("lcall","__gptrget");
+ break;
+ }
+
+ rlen -= 8;
+ /* if we are done */
+ if ( rlen <= 0 )
+ break ;
+
+ aopPut(AOP(result),"a",offset++);
+
+ }
+
if (rlen) {
- emitcode("anl","a,#0x%02x",((unsigned char)-1)>>(-rlen));
- aopPut(AOP(result),"a",offset);
+ pic14_emitcode("anl","a,#0x%02x",((unsigned char)-1)>>(-rlen));
+ aopPut(AOP(result),"a",offset);
}
-
+
return ;
}
/*-----------------------------------------------------------------*/
/* genDataPointerGet - generates code when ptr offset is known */
/*-----------------------------------------------------------------*/
-static void genDataPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void genDataPointerGet (operand *left,
+ operand *result,
+ iCode *ic)
{
- char *l;
- char buffer[256];
- int size , offset = 0;
- aopOp(result,ic,TRUE);
+ int size , offset = 0;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* get the string representation of the name */
- l = aopGet(AOP(left),0,FALSE,TRUE);
- size = AOP_SIZE(result);
- // tsd, was l+1 - the underline `_' prefix was being stripped
- while (size--) {
- if (offset)
- sprintf(buffer,"(%s + %d)",l,offset);
- else
- sprintf(buffer,"%s",l);
- aopPut(AOP(result),buffer,offset++);
- }
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+
+ /* optimization - most of the time, left and result are the same
+ * address, but different types. for the pic code, we could omit
+ * the following
+ */
+
+ aopOp(result,ic,TRUE);
+
+ emitpcode(POC_MOVFW, popGet(AOP(left),0));
+
+ size = AOP_SIZE(result);
+
+ while (size--) {
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ offset++;
+ }
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
-/* genNearPointerGet - emitcode for near pointer fetch */
+/* genNearPointerGet - pic14_emitcode for near pointer fetch */
/*-----------------------------------------------------------------*/
-static void genNearPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void genNearPointerGet (operand *left,
+ operand *result,
+ iCode *ic)
{
asmop *aop = NULL;
regs *preg = NULL ;
char *rname ;
sym_link *rtype, *retype;
- sym_link *ltype = operandType(left);
+ sym_link *ltype = operandType(left);
char buffer[80];
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
rtype = operandType(result);
retype= getSpec(rtype);
-
+
aopOp(left,ic,FALSE);
-
+
/* if left is rematerialisable and
result is not bit variable type and
the left is pointer to data space i.e
lower 128 bytes of space */
if (AOP_TYPE(left) == AOP_IMMD &&
- !IS_BITVAR(retype) &&
- DCL_TYPE(ltype) == POINTER) {
- genDataPointerGet (left,result,ic);
- return ;
+ !IS_BITVAR(retype) &&
+ DCL_TYPE(ltype) == POINTER) {
+ genDataPointerGet (left,result,ic);
+ return ;
}
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if the value is already in a pointer register
+ /* if the value is already in a pointer register
then don't need anything more */
if (!AOP_INPREG(AOP(left))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(left),0,FALSE,TRUE));
- rname = preg->name ;
+ /* otherwise get a free pointer register */
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aop = newAsmop(0);
+ preg = getFreePtr(ic,&aop,FALSE);
+ pic14_emitcode("mov","%s,%s",
+ preg->name,
+ aopGet(AOP(left),0,FALSE,TRUE));
+ rname = preg->name ;
} else
- rname = aopGet(AOP(left),0,FALSE,FALSE);
-
+ rname = aopGet(AOP(left),0,FALSE,FALSE);
+
freeAsmop(left,NULL,ic,TRUE);
aopOp (result,ic,FALSE);
-
+
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genUnpackBits (result,rname,POINTER);
+ if (IS_BITVAR(retype))
+ genUnpackBits (result,rname,POINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
-
- while (size--) {
- if (IS_AOP_PREG(result) || AOP_TYPE(result) == AOP_STK ) {
-
- emitcode("mov","a,@%s",rname);
- aopPut(AOP(result),"a",offset);
- } else {
- sprintf(buffer,"@%s",rname);
- aopPut(AOP(result),buffer,offset);
- }
- offset++ ;
- if (size)
- emitcode("inc","%s",rname);
- }
+ /* we have can just get the values */
+ int size = AOP_SIZE(result);
+ int offset = 0 ;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ while (size--) {
+ if (IS_AOP_PREG(result) || AOP_TYPE(result) == AOP_STK ) {
+
+ pic14_emitcode("mov","a,@%s",rname);
+ aopPut(AOP(result),"a",offset);
+ } else {
+ sprintf(buffer,"@%s",rname);
+ aopPut(AOP(result),buffer,offset);
+ }
+ offset++ ;
+ if (size)
+ pic14_emitcode("inc","%s",rname);
+ }
}
/* now some housekeeping stuff */
if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(result) > 1 &&
- !OP_SYMBOL(left)->remat &&
- ( OP_SYMBOL(left)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(result) - 1;
- while (size--)
- emitcode("dec","%s",rname);
- }
+ /* we had to allocate for this iCode */
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ freeAsmop(NULL,aop,ic,TRUE);
+ } else {
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if (AOP_SIZE(result) > 1 &&
+ !OP_SYMBOL(left)->remat &&
+ ( OP_SYMBOL(left)->liveTo > ic->seq ||
+ ic->depth )) {
+ int size = AOP_SIZE(result) - 1;
+ while (size--)
+ pic14_emitcode("dec","%s",rname);
+ }
}
/* done */
freeAsmop(result,NULL,ic,TRUE);
-
+
}
/*-----------------------------------------------------------------*/
-/* genPagedPointerGet - emitcode for paged pointer fetch */
+/* genPagedPointerGet - pic14_emitcode for paged pointer fetch */
/*-----------------------------------------------------------------*/
-static void genPagedPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void genPagedPointerGet (operand *left,
+ operand *result,
+ iCode *ic)
{
asmop *aop = NULL;
regs *preg = NULL ;
char *rname ;
- sym_link *rtype, *retype;
+ sym_link *rtype, *retype;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
rtype = operandType(result);
retype= getSpec(rtype);
-
+
aopOp(left,ic,FALSE);
/* if the value is already in a pointer register
then don't need anything more */
if (!AOP_INPREG(AOP(left))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(left),0,FALSE,TRUE));
- rname = preg->name ;
+ /* otherwise get a free pointer register */
+ aop = newAsmop(0);
+ preg = getFreePtr(ic,&aop,FALSE);
+ pic14_emitcode("mov","%s,%s",
+ preg->name,
+ aopGet(AOP(left),0,FALSE,TRUE));
+ rname = preg->name ;
} else
- rname = aopGet(AOP(left),0,FALSE,FALSE);
-
+ rname = aopGet(AOP(left),0,FALSE,FALSE);
+
freeAsmop(left,NULL,ic,TRUE);
aopOp (result,ic,FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genUnpackBits (result,rname,PPOINTER);
+ if (IS_BITVAR(retype))
+ genUnpackBits (result,rname,PPOINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
-
- while (size--) {
-
- emitcode("movx","a,@%s",rname);
- aopPut(AOP(result),"a",offset);
-
- offset++ ;
-
- if (size)
- emitcode("inc","%s",rname);
- }
+ /* we have can just get the values */
+ int size = AOP_SIZE(result);
+ int offset = 0 ;
+
+ while (size--) {
+
+ pic14_emitcode("movx","a,@%s",rname);
+ aopPut(AOP(result),"a",offset);
+
+ offset++ ;
+
+ if (size)
+ pic14_emitcode("inc","%s",rname);
+ }
}
/* now some housekeeping stuff */
if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(result) > 1 &&
- !OP_SYMBOL(left)->remat &&
- ( OP_SYMBOL(left)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(result) - 1;
- while (size--)
- emitcode("dec","%s",rname);
- }
+ /* we had to allocate for this iCode */
+ freeAsmop(NULL,aop,ic,TRUE);
+ } else {
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if (AOP_SIZE(result) > 1 &&
+ !OP_SYMBOL(left)->remat &&
+ ( OP_SYMBOL(left)->liveTo > ic->seq ||
+ ic->depth )) {
+ int size = AOP_SIZE(result) - 1;
+ while (size--)
+ pic14_emitcode("dec","%s",rname);
+ }
}
/* done */
freeAsmop(result,NULL,ic,TRUE);
-
-
+
+
}
/*-----------------------------------------------------------------*/
int size, offset ;
sym_link *retype = getSpec(operandType(result));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp(left,ic,FALSE);
- /* if the operand is already in dptr
+ /* if the operand is already in dptr
then we do nothing else we move the value to dptr */
if (AOP_TYPE(left) != AOP_STR) {
/* if this is remateriazable */
if (AOP_TYPE(left) == AOP_IMMD)
- emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
+ pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0,FALSE,FALSE));
- emitcode("mov","dph,%s",aopGet(AOP(left),1,FALSE,FALSE));
+ pic14_emitcode("mov","dpl,%s",aopGet(AOP(left),0,FALSE,FALSE));
+ pic14_emitcode("mov","dph,%s",aopGet(AOP(left),1,FALSE,FALSE));
if (options.model == MODEL_FLAT24)
{
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE));
+ pic14_emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE));
}
}
}
aopOp(result,ic,FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
+ if (IS_BITVAR(retype))
genUnpackBits(result,"dptr",FPOINTER);
else {
size = AOP_SIZE(result);
offset = 0 ;
while (size--) {
- emitcode("movx","a,@dptr");
+ pic14_emitcode("movx","a,@dptr");
aopPut(AOP(result),"a",offset++);
if (size)
- emitcode("inc","dptr");
+ pic14_emitcode("inc","dptr");
}
}
}
/*-----------------------------------------------------------------*/
-/* emitcodePointerGet - gget value from code space */
+/* pic14_emitcodePointerGet - gget value from code space */
/*-----------------------------------------------------------------*/
-static void emitcodePointerGet (operand *left,
+static void pic14_emitcodePointerGet (operand *left,
operand *result, iCode *ic)
{
int size, offset ;
sym_link *retype = getSpec(operandType(result));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp(left,ic,FALSE);
- /* if the operand is already in dptr
+ /* if the operand is already in dptr
then we do nothing else we move the value to dptr */
if (AOP_TYPE(left) != AOP_STR) {
/* if this is remateriazable */
if (AOP_TYPE(left) == AOP_IMMD)
- emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
+ pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0,FALSE,FALSE));
- emitcode("mov","dph,%s",aopGet(AOP(left),1,FALSE,FALSE));
+ pic14_emitcode("mov","dpl,%s",aopGet(AOP(left),0,FALSE,FALSE));
+ pic14_emitcode("mov","dph,%s",aopGet(AOP(left),1,FALSE,FALSE));
if (options.model == MODEL_FLAT24)
{
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE));
+ pic14_emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE));
}
}
}
aopOp(result,ic,FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
+ if (IS_BITVAR(retype))
genUnpackBits(result,"dptr",CPOINTER);
else {
size = AOP_SIZE(result);
offset = 0 ;
while (size--) {
- emitcode("clr","a");
- emitcode("movc","a,@a+dptr");
+ pic14_emitcode("clr","a");
+ pic14_emitcode("movc","a,@a+dptr");
aopPut(AOP(result),"a",offset++);
if (size)
- emitcode("inc","dptr");
+ pic14_emitcode("inc","dptr");
}
}
static void genGenPointerGet (operand *left,
operand *result, iCode *ic)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(result));
+ int size, offset ;
+ sym_link *retype = getSpec(operandType(result));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(left,ic,FALSE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
- /* if the operand is already in dptr
- then we do nothing else we move the value to dptr */
- if (AOP_TYPE(left) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(left) == AOP_IMMD) {
- emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
- emitcode("mov","b,#%d",pointerCode(retype));
- }
- else { /* we need to get it byte by byte */
- emitcode("movf","%s,w",aopGet(AOP(left),0,FALSE,FALSE));
- emitcode("movwf","FSR");
- /*
- emitcode("mov","dpl,%s",aopGet(AOP(left),0,FALSE,FALSE));
- emitcode("mov","dph,%s",aopGet(AOP(left),1,FALSE,FALSE));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE));
- emitcode("mov","b,%s",aopGet(AOP(left),3,FALSE,FALSE));
- }
- else
- {
- emitcode("mov","b,%s",aopGet(AOP(left),2,FALSE,FALSE));
- }
- */
- }
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ /* if the operand is already in dptr
+ then we do nothing else we move the value to dptr */
+ if (AOP_TYPE(left) != AOP_STR) {
+ /* if this is remateriazable */
+ if (AOP_TYPE(left) == AOP_IMMD) {
+ pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
+ pic14_emitcode("mov","b,#%d",pointerCode(retype));
}
- /* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
+ else { /* we need to get it byte by byte */
- /* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",GPOINTER);
- else {
- size = AOP_SIZE(result);
- offset = 0 ;
+ emitpcode(POC_MOVFW,popGet(AOP(left),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
- while (size--) {
- //emitcode("lcall","__gptrget");
- emitcode("movf","indf,w");
- //aopPut(AOP(result),"a",offset++);
- emitcode("movwf","%s",
- aopGet(AOP(result),offset++,FALSE,FALSE));
- if (size)
- emitcode("incf","fsr,f");
- }
+ size = AOP_SIZE(result);
+ offset = 0 ;
+
+ while(size--) {
+ emitpcode(POC_MOVFW,popCopyReg(&pc_indf));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset++));
+ if(size)
+ emitpcode(POC_INCF,popCopyReg(&pc_fsr));
+ }
+ goto release;
}
+ }
+ /* so dptr know contains the address */
+
+ /* if bit then unpack */
+ if (IS_BITVAR(retype))
+ genUnpackBits(result,"dptr",GPOINTER);
+
+ release:
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
sym_link *type, *etype;
int p_type;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
left = IC_LEFT(ic);
result = IC_RESULT(ic) ;
type = operandType(left);
etype = getSpec(type);
/* if left is of type of pointer then it is simple */
- if (IS_PTR(type) && !IS_FUNC(type->next))
+ if (IS_PTR(type) && !IS_FUNC(type->next))
p_type = DCL_TYPE(type);
else {
- /* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
-
-/* if (SPEC_OCLS(etype)->codesp ) { */
-/* p_type = CPOINTER ; */
-/* } */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
-/* p_type = FPOINTER ; */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
-/* p_type = PPOINTER; */
-/* else */
-/* if (SPEC_OCLS(etype) == idata ) */
-/* p_type = IPOINTER; */
-/* else */
-/* p_type = POINTER ; */
+ /* we have to go by the storage class */
+ p_type = PTR_TYPE(SPEC_OCLS(etype));
+
+/* if (SPEC_OCLS(etype)->codesp ) { */
+/* p_type = CPOINTER ; */
+/* } */
+/* else */
+/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
+/* p_type = FPOINTER ; */
+/* else */
+/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
+/* p_type = PPOINTER; */
+/* else */
+/* if (SPEC_OCLS(etype) == idata ) */
+/* p_type = IPOINTER; */
+/* else */
+/* p_type = POINTER ; */
}
/* now that we have the pointer type we assign
the pointer values */
switch (p_type) {
- case POINTER:
+ case POINTER:
case IPOINTER:
- genNearPointerGet (left,result,ic);
- break;
+ genNearPointerGet (left,result,ic);
+ break;
case PPOINTER:
- genPagedPointerGet(left,result,ic);
- break;
+ genPagedPointerGet(left,result,ic);
+ break;
case FPOINTER:
- genFarPointerGet (left,result,ic);
- break;
+ genFarPointerGet (left,result,ic);
+ break;
case CPOINTER:
- emitcodePointerGet (left,result,ic);
- break;
+ pic14_emitcodePointerGet (left,result,ic);
+ break;
case GPOINTER:
- genGenPointerGet (left,result,ic);
- break;
+ genGenPointerGet (left,result,ic);
+ break;
}
}
int shCount = 0 ;
int offset = 0 ;
int rLen = 0 ;
- int blen, bstr ;
+ int blen, bstr ;
char *l ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
blen = SPEC_BLEN(etype);
bstr = SPEC_BSTR(etype);
l = aopGet(AOP(right),offset++,FALSE,FALSE);
- MOVA(l);
+ MOVA(l);
/* if the bit lenth is less than or */
/* it exactly fits a byte then */
switch (p_type) {
case POINTER:
- emitcode ("mov","b,a");
- emitcode("mov","a,@%s",rname);
+ pic14_emitcode ("mov","b,a");
+ pic14_emitcode("mov","a,@%s",rname);
break;
case FPOINTER:
- emitcode ("mov","b,a");
- emitcode("movx","a,@dptr");
+ pic14_emitcode ("mov","b,a");
+ pic14_emitcode("movx","a,@dptr");
break;
case GPOINTER:
- emitcode ("push","b");
- emitcode ("push","acc");
- emitcode ("lcall","__gptrget");
- emitcode ("pop","b");
+ pic14_emitcode ("push","b");
+ pic14_emitcode ("push","acc");
+ pic14_emitcode ("lcall","__gptrget");
+ pic14_emitcode ("pop","b");
break;
}
- emitcode ("anl","a,#0x%02x",(unsigned char)
- ((unsigned char)(0xFF << (blen+bstr)) |
+ pic14_emitcode ("anl","a,#0x%02x",(unsigned char)
+ ((unsigned char)(0xFF << (blen+bstr)) |
(unsigned char)(0xFF >> (8-bstr)) ) );
- emitcode ("orl","a,b");
+ pic14_emitcode ("orl","a,b");
if (p_type == GPOINTER)
- emitcode("pop","b");
+ pic14_emitcode("pop","b");
}
}
switch (p_type) {
case POINTER:
- emitcode("mov","@%s,a",rname);
+ pic14_emitcode("mov","@%s,a",rname);
break;
case FPOINTER:
- emitcode("movx","@dptr,a");
+ pic14_emitcode("movx","@dptr,a");
break;
case GPOINTER:
- DEBUGemitcode(";lcall","__gptrput");
+ DEBUGpic14_emitcode(";lcall","__gptrput");
break;
}
if ( SPEC_BLEN(etype) <= 8 )
return ;
- emitcode("inc","%s",rname);
- rLen = SPEC_BLEN(etype) ;
+ pic14_emitcode("inc","%s",rname);
+ rLen = SPEC_BLEN(etype) ;
/* now generate for lengths greater than one byte */
while (1) {
case POINTER:
if (*l == '@') {
MOVA(l);
- emitcode("mov","@%s,a",rname);
+ pic14_emitcode("mov","@%s,a",rname);
} else
- emitcode("mov","@%s,%s",rname,l);
+ pic14_emitcode("mov","@%s,%s",rname,l);
break;
case FPOINTER:
MOVA(l);
- emitcode("movx","@dptr,a");
+ pic14_emitcode("movx","@dptr,a");
break;
case GPOINTER:
MOVA(l);
- DEBUGemitcode(";lcall","__gptrput");
- break;
- }
- emitcode ("inc","%s",rname);
+ DEBUGpic14_emitcode(";lcall","__gptrput");
+ break;
+ }
+ pic14_emitcode ("inc","%s",rname);
}
MOVA(l);
/* save the byte & read byte */
switch (p_type) {
case POINTER:
- emitcode ("mov","b,a");
- emitcode("mov","a,@%s",rname);
+ pic14_emitcode ("mov","b,a");
+ pic14_emitcode("mov","a,@%s",rname);
break;
case FPOINTER:
- emitcode ("mov","b,a");
- emitcode("movx","a,@dptr");
+ pic14_emitcode ("mov","b,a");
+ pic14_emitcode("movx","a,@dptr");
break;
case GPOINTER:
- emitcode ("push","b");
- emitcode ("push","acc");
- emitcode ("lcall","__gptrget");
- emitcode ("pop","b");
+ pic14_emitcode ("push","b");
+ pic14_emitcode ("push","acc");
+ pic14_emitcode ("lcall","__gptrget");
+ pic14_emitcode ("pop","b");
break;
}
- emitcode ("anl","a,#0x%02x",((unsigned char)-1 << -rLen) );
- emitcode ("orl","a,b");
+ pic14_emitcode ("anl","a,#0x%02x",((unsigned char)-1 << -rLen) );
+ pic14_emitcode ("orl","a,b");
}
if (p_type == GPOINTER)
- emitcode("pop","b");
+ pic14_emitcode("pop","b");
switch (p_type) {
case POINTER:
- emitcode("mov","@%s,a",rname);
- break;
-
+ pic14_emitcode("mov","@%s,a",rname);
+ break;
+
case FPOINTER:
- emitcode("movx","@dptr,a");
- break;
-
+ pic14_emitcode("movx","@dptr,a");
+ break;
+
case GPOINTER:
- DEBUGemitcode(";lcall","__gptrput");
- break;
+ DEBUGpic14_emitcode(";lcall","__gptrput");
+ break;
}
}
/*-----------------------------------------------------------------*/
/* genDataPointerSet - remat pointer to data space */
/*-----------------------------------------------------------------*/
static void genDataPointerSet(operand *right,
- operand *result,
- iCode *ic)
+ operand *result,
+ iCode *ic)
{
int size, offset = 0 ;
char *l, buffer[256];
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp(right,ic,FALSE);
-
+
l = aopGet(AOP(result),0,FALSE,TRUE);
size = AOP_SIZE(right);
// tsd, was l+1 - the underline `_' prefix was being stripped
while (size--) {
- if (offset)
- sprintf(buffer,"(%s + %d)",l,offset);
- else
- sprintf(buffer,"%s",l);
-
- if (AOP_TYPE(right) == AOP_LIT) {
- unsigned int lit = floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
- lit = lit >> (8*offset);
- if(lit) {
- emitcode("movlw","%s",lit);
- emitcode("movwf","%s",buffer);
- } else
- emitcode("clrf","%s",buffer);
- }else {
- emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitcode("movwf","%s",buffer);
- }
+ if (offset)
+ sprintf(buffer,"(%s + %d)",l,offset);
+ else
+ sprintf(buffer,"%s",l);
+
+ if (AOP_TYPE(right) == AOP_LIT) {
+ unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ lit = lit >> (8*offset);
+ if(lit&0xff) {
+ pic14_emitcode("movlw","%d",lit);
+ pic14_emitcode("movwf","%s",buffer);
+
+ emitpcode(POC_MOVLW, popGetLit(lit&0xff));
+ emitpcode(POC_MOVWF, popRegFromString(buffer));
- offset++;
+ } else {
+ pic14_emitcode("clrf","%s",buffer);
+ emitpcode(POC_CLRF, popRegFromString(buffer));
+ }
+ }else {
+ pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s",buffer);
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popRegFromString(buffer));
+
+ }
+
+ offset++;
}
freeAsmop(right,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
-/* genNearPointerSet - emitcode for near pointer put */
+/* genNearPointerSet - pic14_emitcode for near pointer put */
/*-----------------------------------------------------------------*/
static void genNearPointerSet (operand *right,
- operand *result,
+ operand *result,
iCode *ic)
{
asmop *aop = NULL;
sym_link *retype;
sym_link *ptype = operandType(result);
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
retype= getSpec(operandType(right));
aopOp(result,ic,FALSE);
-
+
/* if the result is rematerializable &
in data space & not a bit variable */
if (AOP_TYPE(result) == AOP_IMMD &&
- DCL_TYPE(ptype) == POINTER &&
- !IS_BITVAR(retype)) {
- genDataPointerSet (right,result,ic);
- return;
+ DCL_TYPE(ptype) == POINTER &&
+ !IS_BITVAR(retype)) {
+ genDataPointerSet (right,result,ic);
+ return;
}
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if the value is already in a pointer register
then don't need anything more */
/* otherwise get a free pointer register */
//aop = newAsmop(0);
//preg = getFreePtr(ic,&aop,FALSE);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- //emitcode("mov","%s,%s",
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ //pic14_emitcode("mov","%s,%s",
// preg->name,
// aopGet(AOP(result),0,FALSE,TRUE));
//rname = preg->name ;
- emitcode("movwf","fsr");
+ pic14_emitcode("movwf","fsr");
}// else
// rname = aopGet(AOP(result),0,FALSE,FALSE);
freeAsmop(result,NULL,ic,TRUE);
aopOp (right,ic,FALSE);
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if bitfield then unpack the bits */
if (IS_BITVAR(retype)) {
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "The programmer is obviously confused");
+ "The programmer is obviously confused");
//genPackBits (retype,right,rname,POINTER);
exit(1);
}
else {
/* we have can just get the values */
int size = AOP_SIZE(right);
- int offset = 0 ;
+ int offset = 0 ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
while (size--) {
l = aopGet(AOP(right),offset,FALSE,TRUE);
if (*l == '@' ) {
- //MOVA(l);
- //emitcode("mov","@%s,a",rname);
- emitcode("movf","indf,w ;1");
+ //MOVA(l);
+ //pic14_emitcode("mov","@%s,a",rname);
+ pic14_emitcode("movf","indf,w ;1");
} else {
- if (AOP_TYPE(right) == AOP_LIT) {
- unsigned int lit = floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
- if(lit) {
- emitcode("movlw","%s",l);
- emitcode("movwf","indf ;2");
- } else
- emitcode("clrf","indf");
- }else {
- emitcode("movf","%s,w",l);
- emitcode("movwf","indf ;2");
- }
- //emitcode("mov","@%s,%s",rname,l);
- }
+ if (AOP_TYPE(right) == AOP_LIT) {
+ unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ if(lit) {
+ pic14_emitcode("movlw","%s",l);
+ pic14_emitcode("movwf","indf ;2");
+ } else
+ pic14_emitcode("clrf","indf");
+ }else {
+ pic14_emitcode("movf","%s,w",l);
+ pic14_emitcode("movwf","indf ;2");
+ }
+ //pic14_emitcode("mov","@%s,%s",rname,l);
+ }
if (size)
- emitcode("incf","fsr,f ;3");
- //emitcode("inc","%s",rname);
+ pic14_emitcode("incf","fsr,f ;3");
+ //pic14_emitcode("inc","%s",rname);
offset++;
}
}
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* now some housekeeping stuff */
if (aop) {
/* we had to allocate for this iCode */
freeAsmop(NULL,aop,ic,TRUE);
- } else {
+ } else {
/* we did not allocate which means left
already in a pointer register, then
if size > 0 && this could be used again
- we have to point it back to where it
+ we have to point it back to where it
belongs */
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (AOP_SIZE(right) > 1 &&
!OP_SYMBOL(result)->remat &&
( OP_SYMBOL(result)->liveTo > ic->seq ||
ic->depth )) {
int size = AOP_SIZE(right) - 1;
while (size--)
- emitcode("decf","fsr,f");
- //emitcode("dec","%s",rname);
+ pic14_emitcode("decf","fsr,f");
+ //pic14_emitcode("dec","%s",rname);
}
}
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* done */
freeAsmop(right,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
-/* genPagedPointerSet - emitcode for Paged pointer put */
+/* genPagedPointerSet - pic14_emitcode for Paged pointer put */
/*-----------------------------------------------------------------*/
static void genPagedPointerSet (operand *right,
- operand *result,
- iCode *ic)
+ operand *result,
+ iCode *ic)
{
asmop *aop = NULL;
regs *preg = NULL ;
char *rname , *l;
sym_link *retype;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
retype= getSpec(operandType(right));
-
+
aopOp(result,ic,FALSE);
-
+
/* if the value is already in a pointer register
then don't need anything more */
if (!AOP_INPREG(AOP(result))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(result),0,FALSE,TRUE));
- rname = preg->name ;
+ /* otherwise get a free pointer register */
+ aop = newAsmop(0);
+ preg = getFreePtr(ic,&aop,FALSE);
+ pic14_emitcode("mov","%s,%s",
+ preg->name,
+ aopGet(AOP(result),0,FALSE,TRUE));
+ rname = preg->name ;
} else
- rname = aopGet(AOP(result),0,FALSE,FALSE);
-
+ rname = aopGet(AOP(result),0,FALSE,FALSE);
+
freeAsmop(result,NULL,ic,TRUE);
aopOp (right,ic,FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genPackBits (retype,right,rname,PPOINTER);
+ if (IS_BITVAR(retype))
+ genPackBits (retype,right,rname,PPOINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(right);
- int offset = 0 ;
-
- while (size--) {
- l = aopGet(AOP(right),offset,FALSE,TRUE);
-
- MOVA(l);
- emitcode("movx","@%s,a",rname);
-
- if (size)
- emitcode("inc","%s",rname);
-
- offset++;
- }
- }
-
+ /* we have can just get the values */
+ int size = AOP_SIZE(right);
+ int offset = 0 ;
+
+ while (size--) {
+ l = aopGet(AOP(right),offset,FALSE,TRUE);
+
+ MOVA(l);
+ pic14_emitcode("movx","@%s,a",rname);
+
+ if (size)
+ pic14_emitcode("inc","%s",rname);
+
+ offset++;
+ }
+ }
+
/* now some housekeeping stuff */
if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(right) > 1 &&
- !OP_SYMBOL(result)->remat &&
- ( OP_SYMBOL(result)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(right) - 1;
- while (size--)
- emitcode("dec","%s",rname);
- }
+ /* we had to allocate for this iCode */
+ freeAsmop(NULL,aop,ic,TRUE);
+ } else {
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if (AOP_SIZE(right) > 1 &&
+ !OP_SYMBOL(result)->remat &&
+ ( OP_SYMBOL(result)->liveTo > ic->seq ||
+ ic->depth )) {
+ int size = AOP_SIZE(right) - 1;
+ while (size--)
+ pic14_emitcode("dec","%s",rname);
+ }
}
/* done */
freeAsmop(right,NULL,ic,TRUE);
-
-
+
+
}
/*-----------------------------------------------------------------*/
int size, offset ;
sym_link *retype = getSpec(operandType(right));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp(result,ic,FALSE);
- /* if the operand is already in dptr
+ /* if the operand is already in dptr
then we do nothing else we move the value to dptr */
if (AOP_TYPE(result) != AOP_STR) {
/* if this is remateriazable */
if (AOP_TYPE(result) == AOP_IMMD)
- emitcode("mov","dptr,%s",aopGet(AOP(result),0,TRUE,FALSE));
+ pic14_emitcode("mov","dptr,%s",aopGet(AOP(result),0,TRUE,FALSE));
else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(result),0,FALSE,FALSE));
- emitcode("mov","dph,%s",aopGet(AOP(result),1,FALSE,FALSE));
+ pic14_emitcode("mov","dpl,%s",aopGet(AOP(result),0,FALSE,FALSE));
+ pic14_emitcode("mov","dph,%s",aopGet(AOP(result),1,FALSE,FALSE));
if (options.model == MODEL_FLAT24)
{
- emitcode("mov", "dpx,%s",aopGet(AOP(result),2,FALSE,FALSE));
+ pic14_emitcode("mov", "dpx,%s",aopGet(AOP(result),2,FALSE,FALSE));
}
}
}
aopOp(right,ic,FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
+ if (IS_BITVAR(retype))
genPackBits(retype,right,"dptr",FPOINTER);
else {
size = AOP_SIZE(right);
while (size--) {
char *l = aopGet(AOP(right),offset++,FALSE,FALSE);
MOVA(l);
- emitcode("movx","@dptr,a");
+ pic14_emitcode("movx","@dptr,a");
if (size)
- emitcode("inc","dptr");
+ pic14_emitcode("inc","dptr");
}
}
static void genGenPointerSet (operand *right,
operand *result, iCode *ic)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(right));
+ int size, offset ;
+ sym_link *retype = getSpec(operandType(right));
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(result,ic,FALSE);
+ aopOp(result,ic,FALSE);
+ aopOp(right,ic,FALSE);
+ size = AOP_SIZE(right);
- /* if the operand is already in dptr
- then we do nothing else we move the value to dptr */
- if (AOP_TYPE(result) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(result) == AOP_IMMD) {
- emitcode("mov","dptr,%s",aopGet(AOP(result),0,TRUE,FALSE));
- emitcode("mov","b,%s + 1",aopGet(AOP(result),0,TRUE,FALSE));
- }
- else { /* we need to get it byte by byte */
- char *l = aopGet(AOP(result),0,FALSE,FALSE);
- if(strcmp("FSR",l))
- emitcode("movlw","%s",aopGet(AOP(result),0,FALSE,FALSE));
+ DEBUGpic14_AopType(__LINE__,NULL,right,result);
- emitcode("movwf","INDF");
- }
+ /* if the operand is already in dptr
+ then we do nothing else we move the value to dptr */
+ if (AOP_TYPE(result) != AOP_STR) {
+ /* if this is remateriazable */
+ if (AOP_TYPE(result) == AOP_IMMD) {
+ pic14_emitcode("mov","dptr,%s",aopGet(AOP(result),0,TRUE,FALSE));
+ pic14_emitcode("mov","b,%s + 1",aopGet(AOP(result),0,TRUE,FALSE));
}
- /* so dptr know contains the address */
- freeAsmop(result,NULL,ic,TRUE);
- aopOp(right,ic,FALSE);
+ else { /* we need to get it byte by byte */
+ //char *l = aopGet(AOP(result),0,FALSE,FALSE);
+ size = AOP_SIZE(right);
+ offset = 0 ;
- /* if bit then unpack */
- if (IS_BITVAR(retype))
- genPackBits(retype,right,"dptr",GPOINTER);
- else {
- size = AOP_SIZE(right);
- offset = 0 ;
+ /* hack hack! see if this the FSR. If so don't load W */
+ if(AOP_TYPE(right) != AOP_ACC) {
- while (--size) {
- char *l = aopGet(AOP(right),offset++,FALSE,FALSE);
+ emitpcode(POC_MOVFW,popGet(AOP(result),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
+
+ //if(size==2)
+ //emitpcode(POC_DECF,popCopyReg(&pc_fsr));
+ //if(size==4) {
+ // emitpcode(POC_MOVLW,popGetLit(0xfd));
+ // emitpcode(POC_ADDWF,popCopyReg(&pc_fsr));
+ //}
+
+ while(size--) {
+ emitpcode(POC_MOVFW,popGet(AOP(right),offset++));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_indf));
+
+ if(size)
+ emitpcode(POC_INCF,popCopyReg(&pc_fsr));
+ }
+
+
+ goto release;
+ }
+
+ if(aopIdx(AOP(result),0) != 4) {
+
+ emitpcode(POC_MOVWF,popCopyReg(&pc_indf));
+ goto release;
+ }
+
+ emitpcode(POC_MOVWF,popCopyReg(&pc_indf));
+ goto release;
+
+ }
+ }
+ /* so dptr know contains the address */
+
+
+ /* if bit then unpack */
+ if (IS_BITVAR(retype))
+ genPackBits(retype,right,"dptr",GPOINTER);
+ else {
+ size = AOP_SIZE(right);
+ offset = 0 ;
+
+ while (--size) {
+ //char *l = aopGet(AOP(right),offset++,FALSE,FALSE);
if(size)
- emitcode("incf","fsr,f");
- emitcode("movf","%s,w",aopGet(AOP(right),offset++,FALSE,FALSE));
- emitcode("movwf","indf");
- //MOVA(l);
- //DEBUGemitcode(";lcall","__gptrput");
- //if (size)
- // emitcode("inc","dptr");
- }
+ pic14_emitcode("incf","fsr,f");
+ pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset++,FALSE,FALSE));
+ pic14_emitcode("movwf","indf");
+ //MOVA(l);
+ //DEBUGpic14_emitcode(";lcall","__gptrput");
+ //if (size)
+ // pic14_emitcode("inc","dptr");
}
+ }
- freeAsmop(right,NULL,ic,TRUE);
+ release:
+ freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* genPointerSet - stores the value into a pointer location */
/*-----------------------------------------------------------------*/
static void genPointerSet (iCode *ic)
-{
+{
operand *right, *result ;
sym_link *type, *etype;
int p_type;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
right = IC_RIGHT(ic);
result = IC_RESULT(ic) ;
p_type = DCL_TYPE(type);
}
else {
- /* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
-
-/* if (SPEC_OCLS(etype)->codesp ) { */
-/* p_type = CPOINTER ; */
-/* } */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
-/* p_type = FPOINTER ; */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
-/* p_type = PPOINTER ; */
-/* else */
-/* if (SPEC_OCLS(etype) == idata ) */
-/* p_type = IPOINTER ; */
-/* else */
-/* p_type = POINTER ; */
+ /* we have to go by the storage class */
+ p_type = PTR_TYPE(SPEC_OCLS(etype));
+
+/* if (SPEC_OCLS(etype)->codesp ) { */
+/* p_type = CPOINTER ; */
+/* } */
+/* else */
+/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
+/* p_type = FPOINTER ; */
+/* else */
+/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
+/* p_type = PPOINTER ; */
+/* else */
+/* if (SPEC_OCLS(etype) == idata ) */
+/* p_type = IPOINTER ; */
+/* else */
+/* p_type = POINTER ; */
}
/* now that we have the pointer type we assign
case POINTER:
case IPOINTER:
- genNearPointerSet (right,result,ic);
- break;
+ genNearPointerSet (right,result,ic);
+ break;
case PPOINTER:
- genPagedPointerSet (right,result,ic);
- break;
+ genPagedPointerSet (right,result,ic);
+ break;
case FPOINTER:
- genFarPointerSet (right,result,ic);
- break;
+ genFarPointerSet (right,result,ic);
+ break;
case GPOINTER:
- genGenPointerSet (right,result,ic);
- break;
+ genGenPointerSet (right,result,ic);
+ break;
}
}
/*-----------------------------------------------------------------*/
static void genIfx (iCode *ic, iCode *popIc)
{
- operand *cond = IC_COND(ic);
- int isbit =0;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(cond,ic,FALSE);
+ operand *cond = IC_COND(ic);
+ int isbit =0;
- /* get the value into acc */
- if (AOP_TYPE(cond) != AOP_CRY)
- toBoolean(cond);
- else
- isbit = 1;
- /* the result is now in the accumulator */
- freeAsmop(cond,NULL,ic,TRUE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if there was something to be popped then do it */
- if (popIc)
- genIpop(popIc);
+ aopOp(cond,ic,FALSE);
- /* if the condition is a bit variable */
- if (isbit && IS_ITEMP(cond) &&
- SPIL_LOC(cond)) {
- genIfxJump(ic,SPIL_LOC(cond)->rname);
- DEBUGemitcode ("; isbit SPIL_LOC","%s",SPIL_LOC(cond)->rname);
- }
- else {
- /*
- if (isbit && !IS_ITEMP(cond))
- DEBUGemitcode ("; isbit OP_SYM","%s",OP_SYMBOL(cond)->rname);
+ /* get the value into acc */
+ if (AOP_TYPE(cond) != AOP_CRY)
+ pic14_toBoolean(cond);
else
- DEBUGemitcode ("; isbit","a");
- */
-
- if (isbit && !IS_ITEMP(cond))
+ isbit = 1;
+ /* the result is now in the accumulator */
+ freeAsmop(cond,NULL,ic,TRUE);
+
+ /* if there was something to be popped then do it */
+ if (popIc)
+ genIpop(popIc);
+
+ /* if the condition is a bit variable */
+ if (isbit && IS_ITEMP(cond) &&
+ SPIL_LOC(cond)) {
+ genIfxJump(ic,SPIL_LOC(cond)->rname);
+ DEBUGpic14_emitcode ("; isbit SPIL_LOC","%s",SPIL_LOC(cond)->rname);
+ }
+ else {
+ if (isbit && !IS_ITEMP(cond))
genIfxJump(ic,OP_SYMBOL(cond)->rname);
- else
+ else
genIfxJump(ic,"a");
- }
- ic->generated = 1;
+ }
+ ic->generated = 1;
+
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genAddrOf (iCode *ic)
{
- symbol *sym = OP_SYMBOL(IC_LEFT(ic));
- int size, offset ;
-
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ //symbol *sym = OP_SYMBOL(IC_LEFT(ic));
+ operand *right, *result, *left;
+ //int size, offset ;
- aopOp(IC_RESULT(ic),ic,FALSE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if the operand is on the stack then we
- need to get the stack offset of this
- variable */
- if (sym->onStack) {
- /* if it has an offset then we need to compute
- it */
- if (sym->stack) {
- emitcode("mov","a,_bp");
- emitcode("add","a,#0x%02x",((char) sym->stack & 0xff));
- aopPut(AOP(IC_RESULT(ic)),"a",0);
- } else {
- /* we can just move _bp */
- aopPut(AOP(IC_RESULT(ic)),"_bp",0);
- }
- /* fill the result with zero */
- size = AOP_SIZE(IC_RESULT(ic)) - 1;
+ //aopOp(IC_RESULT(ic),ic,FALSE);
- if (options.stack10bit && size < (FPTRSIZE - 1))
- {
- fprintf(stderr,
- "*** warning: pointer to stack var truncated.\n");
- }
+ aopOp((left=IC_LEFT(ic)),ic,FALSE);
+ aopOp((right=IC_RIGHT(ic)),ic,FALSE);
+ aopOp((result=IC_RESULT(ic)),ic,TRUE);
- offset = 1;
- while (size--)
- {
- /* Yuck! */
- if (options.stack10bit && offset == 2)
- {
- aopPut(AOP(IC_RESULT(ic)),"#0x40", offset++);
- }
- else
- {
- aopPut(AOP(IC_RESULT(ic)),zero,offset++);
- }
- }
+ DEBUGpic14_AopType(__LINE__,left,right,result);
- goto release;
- }
+ emitpcode(POC_MOVLW, popGet(AOP(left),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
- /* object not on stack then we need the name */
- size = AOP_SIZE(IC_RESULT(ic));
- offset = 0;
+#if 0
+ /* object not on stack then we need the name */
+ size = AOP_SIZE(IC_RESULT(ic));
+ offset = 0;
- while (size--) {
- char s[SDCC_NAME_MAX];
- if (offset)
- sprintf(s,"#(%s >> %d)",
- sym->rname,
- offset*8);
- else
- sprintf(s,"#%s",sym->rname);
- aopPut(AOP(IC_RESULT(ic)),s,offset++);
- }
+ while (size--) {
+ char s[SDCC_NAME_MAX];
+ if (offset)
+ sprintf(s,"#(%s >> %d)",
+ sym->rname,
+ offset*8);
+ else
+ sprintf(s,"#%s",sym->rname);
+ aopPut(AOP(IC_RESULT(ic)),s,offset++);
+ }
+#endif
-release:
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+
+ // freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop(left,NULL,ic,FALSE);
+ freeAsmop(result,NULL,ic,TRUE);
}
char *l ;
/* first push the right side on to the stack */
while (size--) {
- l = aopGet(AOP(right),offset++,FALSE,FALSE);
- MOVA(l);
- emitcode ("push","acc");
+ l = aopGet(AOP(right),offset++,FALSE,FALSE);
+ MOVA(l);
+ pic14_emitcode ("push","acc");
}
-
+
freeAsmop(right,NULL,ic,FALSE);
/* now assign DPTR to result */
aopOp(result,ic,FALSE);
size = AOP_SIZE(result);
while (size--) {
- emitcode ("pop","acc");
- aopPut(AOP(result),"a",--offset);
+ pic14_emitcode ("pop","acc");
+ aopPut(AOP(result),"a",--offset);
}
freeAsmop(result,NULL,ic,FALSE);
-
+
}
#endif
/*-----------------------------------------------------------------*/
static void genAssign (iCode *ic)
{
- operand *result, *right;
- int size, offset ;
+ operand *result, *right;
+ int size, offset,know_W;
unsigned long lit = 0L;
- result = IC_RESULT(ic);
- right = IC_RIGHT(ic) ;
+ result = IC_RESULT(ic);
+ right = IC_RIGHT(ic) ;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if they are the same */
- if (operandsEqu (IC_RESULT(ic),IC_RIGHT(ic)))
- return ;
+ /* if they are the same */
+ if (operandsEqu (IC_RESULT(ic),IC_RIGHT(ic)))
+ return ;
- aopOp(right,ic,FALSE);
- aopOp(result,ic,TRUE);
+ aopOp(right,ic,FALSE);
+ aopOp(result,ic,TRUE);
- /* if they are the same registers */
- if (sameRegs(AOP(right),AOP(result)))
- goto release;
+ DEBUGpic14_AopType(__LINE__,NULL,right,result);
- /* if the result is a bit */
- if (AOP_TYPE(result) == AOP_CRY) {
+ /* if they are the same registers */
+ if (pic14_sameRegs(AOP(right),AOP(result)))
+ goto release;
- /* if the right size is a literal then
- we know what the value is */
- if (AOP_TYPE(right) == AOP_LIT) {
- if (((int) operandLitValue(right)))
- emitcode("bsf","(%s >> 3),(%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- else
- emitcode("bcf","(%s >> 3),(%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- goto release;
- }
+ /* if the result is a bit */
+ if (AOP_TYPE(result) == AOP_CRY) {
- /* the right is also a bit variable */
- if (AOP_TYPE(right) == AOP_CRY) {
- emitcode("bcf","(%s >> 3),(%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- emitcode("btfsc","(%s >> 3),(%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- emitcode("bsf","(%s >> 3),(%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
- goto release ;
- }
+ /* if the right size is a literal then
+ we know what the value is */
+ if (AOP_TYPE(right) == AOP_LIT) {
+
+ emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF),
+ popGet(AOP(result),0));
+
+ if (((int) operandLitValue(right)))
+ pic14_emitcode("bsf","(%s >> 3),(%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ else
+ pic14_emitcode("bcf","(%s >> 3),(%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ goto release;
+ }
- /* we need to or */
- toBoolean(right);
- aopPut(AOP(result),"a",0);
- goto release ;
+ /* the right is also a bit variable */
+ if (AOP_TYPE(right) == AOP_CRY) {
+ emitpcode(POC_BCF, popGet(AOP(result),0));
+ emitpcode(POC_BTFSC, popGet(AOP(right),0));
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+
+ pic14_emitcode("bcf","(%s >> 3),(%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ pic14_emitcode("btfsc","(%s >> 3),(%s & 7)",
+ AOP(right)->aopu.aop_dir,
+ AOP(right)->aopu.aop_dir);
+ pic14_emitcode("bsf","(%s >> 3),(%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
+ goto release ;
}
- /* bit variables done */
- /* general case */
- size = AOP_SIZE(result);
- offset = 0 ;
- if(AOP_TYPE(right) == AOP_LIT)
- lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
- if((AOP_TYPE(result) != AOP_REG) &&
- (AOP_TYPE(right) == AOP_LIT) &&
- !IS_FLOAT(operandType(right)) &&
- (lit < 256L)){
+ /* we need to or */
+ emitpcode(POC_BCF, popGet(AOP(result),0));
+ pic14_toBoolean(right);
+ emitSKPZ;
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+ //aopPut(AOP(result),"a",0);
+ goto release ;
+ }
- while (size--) {
- if((unsigned int)((lit >> (size*8)) & 0x0FFL)== 0)
- emitcode("clrf","%s", aopGet(AOP(result),size,FALSE,FALSE));
- else {
- emitcode("movlw","%s", aopGet(AOP(right),size,FALSE,FALSE));
- emitcode("movwf","%s", aopGet(AOP(result),size,FALSE,FALSE));
- }
+ /* bit variables done */
+ /* general case */
+ size = AOP_SIZE(result);
+ offset = 0 ;
+ if(AOP_TYPE(right) == AOP_LIT)
+ lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
+
+ if( AOP_TYPE(right) == AOP_DIR && (AOP_TYPE(result) == AOP_REG) && size==1) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if(aopIdx(AOP(result),0) == 4) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ goto release;
+ } else
+ DEBUGpic14_emitcode ("; WARNING","%s %d ignoring register storage",__FUNCTION__,__LINE__);
}
- } else {
+
+ know_W=-1;
while (size--) {
- if(AOP_TYPE(right) == AOP_LIT)
- emitcode("movlw","%s", aopGet(AOP(right),offset,FALSE,FALSE));
- else
- emitcode("movf","%s,w", aopGet(AOP(right),offset,FALSE,FALSE));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if(AOP_TYPE(right) == AOP_LIT) {
+ if(lit&0xff) {
+ if(know_W != (lit&0xff))
+ emitpcode(POC_MOVLW,popGetLit(lit&0xff));
+ know_W = lit&0xff;
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ } else
+ emitpcode(POC_CLRF, popGet(AOP(result),offset));
+
+ lit >>= 8;
- emitcode("movwf","%s", aopGet(AOP(result),offset,FALSE,FALSE));
+ } else if (AOP_TYPE(right) == AOP_CRY) {
+ emitpcode(POC_CLRF, popGet(AOP(result),offset));
+ if(offset == 0) {
+ emitpcode(POC_BTFSS, popGet(AOP(right),0));
+ emitpcode(POC_INCF, popGet(AOP(result),0));
+ }
+ } else {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ }
+
offset++;
}
- }
-release:
- freeAsmop (right,NULL,ic,FALSE);
- freeAsmop (result,NULL,ic,TRUE);
-}
+
+ release:
+ freeAsmop (right,NULL,ic,FALSE);
+ freeAsmop (result,NULL,ic,TRUE);
+}
/*-----------------------------------------------------------------*/
/* genJumpTab - genrates code for jump table */
symbol *jtab;
char *l;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
aopOp(IC_JTCOND(ic),ic,FALSE);
/* get the condition into accumulator */
l = aopGet(AOP(IC_JTCOND(ic)),0,FALSE,FALSE);
MOVA(l);
/* multiply by three */
- emitcode("add","a,acc");
- emitcode("add","a,%s",aopGet(AOP(IC_JTCOND(ic)),0,FALSE,FALSE));
- freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE);
+ pic14_emitcode("add","a,acc");
+ pic14_emitcode("add","a,%s",aopGet(AOP(IC_JTCOND(ic)),0,FALSE,FALSE));
jtab = newiTempLabel(NULL);
- emitcode("mov","dptr,#%05d_DS_",jtab->key+100);
- emitcode("jmp","@a+dptr");
- emitcode("","%05d_DS_:",jtab->key+100);
+ pic14_emitcode("mov","dptr,#%05d_DS_",jtab->key+100);
+ pic14_emitcode("jmp","@a+dptr");
+ pic14_emitcode("","%05d_DS_:",jtab->key+100);
+
+ emitpcode(POC_MOVLW, popGetLabel(jtab->key));
+ emitpcode(POC_ADDFW, popGet(AOP(IC_JTCOND(ic)),0));
+ emitSKPNC;
+ emitpcode(POC_INCF, popCopyReg(&pc_pclath));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_pcl));
+ emitpLabel(jtab->key);
+
+ freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE);
+
/* now generate the jump labels */
for (jtab = setFirstItem(IC_JTLABELS(ic)) ; jtab;
- jtab = setNextItem(IC_JTLABELS(ic)))
- emitcode("ljmp","%05d_DS_",jtab->key+100);
+ jtab = setNextItem(IC_JTLABELS(ic))) {
+ pic14_emitcode("ljmp","%05d_DS_",jtab->key+100);
+ emitpcode(POC_GOTO,popGetLabel(jtab->key));
+
+ }
}
/*-----------------------------------------------------------------*/
/*
TSD - Written for the PIC port - but this unfortunately is buggy.
- This routine is good in that it is able to efficiently promote
+ This routine is good in that it is able to efficiently promote
types to different (larger) sizes. Unfortunately, the temporary
variables that are optimized out by this routine are sometimes
- used in other places. So until I know how to really parse the
+ used in other places. So until I know how to really parse the
iCode tree, I'm going to not be using this routine :(.
*/
static int genMixedOperation (iCode *ic)
iCode *nextic;
operand *nextright=NULL,*nextleft=NULL,*nextresult=NULL;
- emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+ pic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
nextic = ic->next;
if(!nextic)
aopOp(nextleft, nextic, FALSE);
aopOp(nextresult, nextic, FALSE);
- if (sameRegs(AOP(IC_RESULT(ic)), AOP(IC_RIGHT(nextic)))) {
+ if (pic14_sameRegs(AOP(IC_RESULT(ic)), AOP(IC_RIGHT(nextic)))) {
operand *t = right;
right = nextright;
- nextright = t;
+ nextright = t;
- emitcode(";remove right +","");
+ pic14_emitcode(";remove right +","");
- } else if (sameRegs(AOP(IC_RESULT(ic)), AOP(IC_LEFT(nextic)))) {
+ } else if (pic14_sameRegs(AOP(IC_RESULT(ic)), AOP(IC_LEFT(nextic)))) {
/*
operand *t = right;
right = nextleft;
- nextleft = t;
+ nextleft = t;
*/
- emitcode(";remove left +","");
+ pic14_emitcode(";remove left +","");
} else
return 0;
switch(nextic->op) {
case '+':
- emitcode(";optimize a +","");
+ pic14_emitcode(";optimize a +","");
/* if unsigned or not an integral type */
if (AOP_TYPE(IC_LEFT(nextic)) == AOP_CRY) {
- emitcode(";add a bit to something","");
+ pic14_emitcode(";add a bit to something","");
} else {
- emitcode("movf","%s,w",AOP(nextright)->aopu.aop_dir);
+ pic14_emitcode("movf","%s,w",AOP(nextright)->aopu.aop_dir);
- if (!sameRegs(AOP(IC_LEFT(nextic)), AOP(IC_RESULT(nextic))) ) {
- emitcode("addwf","%s,w",AOP(nextleft)->aopu.aop_dir);
- emitcode("movwf","%s",aopGet(AOP(IC_RESULT(nextic)),0,FALSE,FALSE));
+ if (!pic14_sameRegs(AOP(IC_LEFT(nextic)), AOP(IC_RESULT(nextic))) ) {
+ pic14_emitcode("addwf","%s,w",AOP(nextleft)->aopu.aop_dir);
+ pic14_emitcode("movwf","%s",aopGet(AOP(IC_RESULT(nextic)),0,FALSE,FALSE));
} else
- emitcode("addwf","%s,f",AOP(nextleft)->aopu.aop_dir);
+ pic14_emitcode("addwf","%s,f",AOP(nextleft)->aopu.aop_dir);
offset = 0;
while(--big) {
- offset++;
+ offset++;
- if(--small) {
- if (!sameRegs(AOP(IC_LEFT(nextic)), AOP(IC_RESULT(nextic))) ){
- emitcode("movf","%s,w",aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
- emitcode("movwf","%s,f",aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE) );
- }
+ if(--small) {
+ if (!pic14_sameRegs(AOP(IC_LEFT(nextic)), AOP(IC_RESULT(nextic))) ){
+ pic14_emitcode("movf","%s,w",aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s,f",aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE) );
+ }
- emitcode("movf","%s,w", aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
- emitSKPNC;
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(IC_RIGHT(nextic))->aopu.aop_dir,
- AOP(IC_RIGHT(nextic))->aopu.aop_dir);
- emitcode(" incf","%s,w", aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
- emitcode("movwf","%s", aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE));
+ pic14_emitcode("movf","%s,w", aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
+ emitSKPNC;
+ pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
+ AOP(IC_RIGHT(nextic))->aopu.aop_dir,
+ AOP(IC_RIGHT(nextic))->aopu.aop_dir);
+ pic14_emitcode(" incf","%s,w", aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s", aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE));
- } else {
- emitcode("rlf","known_zero,w");
+ } else {
+ pic14_emitcode("rlf","known_zero,w");
- /*
- if right is signed
- btfsc right,7
+ /*
+ if right is signed
+ btfsc right,7
addlw ff
- */
- if (!sameRegs(AOP(IC_LEFT(nextic)), AOP(IC_RESULT(nextic))) ){
- emitcode("addwf","%s,w",aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
- emitcode("movwf","%s,f",aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE) );
- } else {
- emitcode("addwf","%s,f",aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE) );
- }
- }
+ */
+ if (!pic14_sameRegs(AOP(IC_LEFT(nextic)), AOP(IC_RESULT(nextic))) ){
+ pic14_emitcode("addwf","%s,w",aopGet(AOP(IC_LEFT(nextic)),offset,FALSE,FALSE));
+ pic14_emitcode("movwf","%s,f",aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE) );
+ } else {
+ pic14_emitcode("addwf","%s,f",aopGet(AOP(IC_RESULT(nextic)),offset,FALSE,FALSE) );
+ }
+ }
}
ret = 1;
}
operand *right = IC_RIGHT(ic);
int size, offset ;
- emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
/* if they are equivalent then do nothing */
if (operandsEqu(IC_RESULT(ic),IC_RIGHT(ic)))
return ;
aopOp(right,ic,FALSE) ;
aopOp(result,ic,FALSE);
+ DEBUGpic14_AopType(__LINE__,NULL,right,result);
+
/* if the result is a bit */
if (AOP_TYPE(result) == AOP_CRY) {
/* if the right size is a literal then
we know what the value is */
if (AOP_TYPE(right) == AOP_LIT) {
- emitcode("; *** right is a lit","%s %d",__FUNCTION__,__LINE__);
- if (((int) operandLitValue(right)))
- emitcode("bsf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
+
+ emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF),
+ popGet(AOP(result),0));
+
+ if (((int) operandLitValue(right)))
+ pic14_emitcode("bsf","(%s >> 3), (%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
else
- emitcode("bcf","(%s >> 3), (%s & 7)",
- AOP(result)->aopu.aop_dir,
- AOP(result)->aopu.aop_dir);
+ pic14_emitcode("bcf","(%s >> 3), (%s & 7)",
+ AOP(result)->aopu.aop_dir,
+ AOP(result)->aopu.aop_dir);
goto release;
}
/* the right is also a bit variable */
if (AOP_TYPE(right) == AOP_CRY) {
- emitcode("clrc","");
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
+
+ emitCLRC;
+ emitpcode(POC_BTFSC, popGet(AOP(right),0));
+
+ pic14_emitcode("clrc","");
+ pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
+ AOP(right)->aopu.aop_dir,
+ AOP(right)->aopu.aop_dir);
aopPut(AOP(result),"c",0);
goto release ;
}
/* we need to or */
- toBoolean(right);
- aopPut(AOP(result),"a",0);
+ if (AOP_TYPE(right) == AOP_REG) {
+ emitpcode(POC_BCF, popGet(AOP(result),0));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),0,0));
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+ }
+ pic14_toBoolean(right);
+ aopPut(AOP(result),"a",0);
goto release ;
}
+ if ((AOP_TYPE(right) == AOP_CRY) && (AOP_TYPE(result) == AOP_REG)) {
+ int offset = 1;
+ size = AOP_SIZE(result);
+
+ emitpcode(POC_CLRF, popGet(AOP(result),0));
+ emitpcode(POC_BTFSC, popGet(AOP(right),0));
+ emitpcode(POC_INCF, popGet(AOP(result),0));
+
+ while (size--)
+ emitpcode(POC_CLRF, popGet(AOP(result),offset++));
+
+ goto release;
+ }
+
/* if they are the same size : or less */
if (AOP_SIZE(result) <= AOP_SIZE(right)) {
/* if they are in the same place */
- if (sameRegs(AOP(right),AOP(result)))
+ if (pic14_sameRegs(AOP(right),AOP(result)))
goto release;
/* if they in different places then copy */
/* if the result is of type pointer */
if (IS_PTR(ctype)) {
- int p_type;
- sym_link *type = operandType(right);
- sym_link *etype = getSpec(type);
-
- /* pointer to generic pointer */
- if (IS_GENPTR(ctype)) {
- char *l = zero;
-
- if (IS_PTR(type))
- p_type = DCL_TYPE(type);
- else {
- /* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
-
-/* if (SPEC_OCLS(etype)->codesp ) */
-/* p_type = CPOINTER ; */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
-/* p_type = FPOINTER ; */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
-/* p_type = PPOINTER; */
-/* else */
-/* if (SPEC_OCLS(etype) == idata ) */
-/* p_type = IPOINTER ; */
-/* else */
-/* p_type = POINTER ; */
- }
-
- /* the first two bytes are known */
- size = GPTRSIZE - 1;
- offset = 0 ;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- offset++;
- }
- /* the last byte depending on type */
- switch (p_type) {
- case IPOINTER:
- case POINTER:
- l = zero;
- break;
- case FPOINTER:
- l = one;
- break;
- case CPOINTER:
- l = "#0x02";
- break;
- case PPOINTER:
- l = "#0x03";
- break;
-
- default:
- /* this should never happen */
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "got unknown pointer type");
- exit(1);\v }
- aopPut(AOP(result),l, GPTRSIZE - 1);
- goto release ;
- }
-
- /* just copy the pointers */
- size = AOP_SIZE(result);
- offset = 0 ;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- offset++;
- }
- goto release ;
- }
-
-
- if (AOP_TYPE(right) == AOP_CRY) {
- int offset = 1;
- size = AOP_SIZE(right);
+ int p_type;
+ sym_link *type = operandType(right);
+ sym_link *etype = getSpec(type);
+
+ /* pointer to generic pointer */
+ if (IS_GENPTR(ctype)) {
+ char *l = zero;
+
+ if (IS_PTR(type))
+ p_type = DCL_TYPE(type);
+ else {
+ /* we have to go by the storage class */
+ p_type = PTR_TYPE(SPEC_OCLS(etype));
+
+/* if (SPEC_OCLS(etype)->codesp ) */
+/* p_type = CPOINTER ; */
+/* else */
+/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
+/* p_type = FPOINTER ; */
+/* else */
+/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
+/* p_type = PPOINTER; */
+/* else */
+/* if (SPEC_OCLS(etype) == idata ) */
+/* p_type = IPOINTER ; */
+/* else */
+/* p_type = POINTER ; */
+ }
+
+ /* the first two bytes are known */
+ size = GPTRSIZE - 1;
+ offset = 0 ;
+ while (size--) {
+ aopPut(AOP(result),
+ aopGet(AOP(right),offset,FALSE,FALSE),
+ offset);
+ offset++;
+ }
+ /* the last byte depending on type */
+ switch (p_type) {
+ case IPOINTER:
+ case POINTER:
+ l = zero;
+ break;
+ case FPOINTER:
+ l = one;
+ break;
+ case CPOINTER:
+ l = "#0x02";
+ break;
+ case PPOINTER:
+ l = "#0x03";
+ break;
+
+ default:
+ /* this should never happen */
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "got unknown pointer type");
+ exit(1);
+ }
+ aopPut(AOP(result),l, GPTRSIZE - 1);
+ goto release ;
+ }
+
+ /* just copy the pointers */
+ size = AOP_SIZE(result);
+ offset = 0 ;
+ while (size--) {
+ aopPut(AOP(result),
+ aopGet(AOP(right),offset,FALSE,FALSE),
+ offset);
+ offset++;
+ }
+ goto release ;
+ }
+
- emitcode("clrf","%s ; %d", aopGet(AOP(result),0,FALSE,FALSE),__LINE__);
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- emitcode("incf","%s,f", aopGet(AOP(result),0,FALSE,FALSE),__LINE__);
- while (size--) {
- emitcode("clrf","%s", aopGet(AOP(result),offset++,FALSE,FALSE),__LINE__);
- }
- goto release;
- }
/* so we now know that the size of destination is greater
than the size of the source.
if(genMixedOperation(ic))
goto release;
-
+
/* we move to result for the size of source */
size = AOP_SIZE(right);
offset = 0 ;
while (size--) {
- emitcode(";","%d",__LINE__);
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- offset++;
+ pic14_emitcode(";","%d",__LINE__);
+ /* aopPut(AOP(result),
+ aopGet(AOP(right),offset,FALSE,FALSE),
+ offset); */
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ offset++;
}
/* now depending on the sign of the destination */
size = AOP_SIZE(result) - AOP_SIZE(right);
/* if unsigned or not an integral type */
if (SPEC_USIGN(ctype) || !IS_SPEC(ctype)) {
- while (size--)
- emitcode("clrf","%s",aopGet(AOP(result),offset++,FALSE,FALSE));
+ while (size--) {
+ emitpcode(POC_CLRF, popGet(AOP(result),offset));
+ pic14_emitcode("clrf","%s ;%d",aopGet(AOP(result),offset,FALSE,FALSE),__LINE__);
+ offset++;
+ }
} else {
/* we need to extend the sign :{ */
- //char *l = aopGet(AOP(right),AOP_SIZE(right) - 1,FALSE,FALSE);
- //MOVA(l);
- emitcode("clrw","");
- emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- emitcode("movlw","0xff");
+ emitpcodeNULLop(POC_CLRW);
+
+ if(offset)
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0));
+ else
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset,FALSE,FALSE),7,0));
+
+ emitpcode(POC_MOVLW, popGetLit(0xff));
+
+ pic14_emitcode("clrw","");
+ pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
+ AOP(right)->aopu.aop_dir,
+ AOP(right)->aopu.aop_dir);
+ pic14_emitcode("movlw","0xff");
while (size--) {
- emitcode("movwf","%s",aopGet(AOP(result),offset++,FALSE,FALSE));
- // aopPut(AOP(result),"a",offset++);
- }
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
+ offset++;
+ // aopPut(AOP(result),"a",offset++);
+ }
}
static int genDjnz (iCode *ic, iCode *ifx)
{
symbol *lbl, *lbl1;
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if (!ifx)
- return 0;
-
+ return 0;
+
/* if the if condition has a false label
then we cannot save */
if (IC_FALSE(ifx))
- return 0;
+ return 0;
- /* if the minus is not of the form
+ /* if the minus is not of the form
a = a - 1 */
if (!isOperandEqual(IC_RESULT(ic),IC_LEFT(ic)) ||
- !IS_OP_LITERAL(IC_RIGHT(ic)))
- return 0;
+ !IS_OP_LITERAL(IC_RIGHT(ic)))
+ return 0;
if (operandLitValue(IC_RIGHT(ic)) != 1)
- return 0;
+ return 0;
/* if the size of this greater than one then no
saving */
if (getSize(operandType(IC_RESULT(ic))) > 1)
- return 0;
+ return 0;
/* otherwise we can save BIG */
lbl = newiTempLabel(NULL);
lbl1= newiTempLabel(NULL);
aopOp(IC_RESULT(ic),ic,FALSE);
-
+
if (IS_AOP_PREG(IC_RESULT(ic))) {
- emitcode("dec","%s",
- aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- emitcode("mov","a,%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- emitcode("jnz","%05d_DS_",lbl->key+100);
- } else {
- emitcode("decfsz","%s,f",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
- emitcode ("goto","_%05d_DS_",IC_TRUE(ifx)->key+100 + labelOffset);
+ pic14_emitcode("dec","%s",
+ aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
+ pic14_emitcode("mov","a,%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
+ pic14_emitcode("jnz","%05d_DS_",lbl->key+100);
+ } else {
- }
-/* emitcode ("sjmp","%05d_DS_",lbl1->key+100); */
-/* emitcode ("","%05d_DS_:",lbl->key+100); */
-/* emitcode ("ljmp","%05d_DS_",IC_TRUE(ifx)->key+100); */
-/* emitcode ("","%05d_DS_:",lbl1->key+100); */
+ emitpcode(POC_DECFSZ,popGet(AOP(IC_RESULT(ic)),0));
+ emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+
+ pic14_emitcode("decfsz","%s,f",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
+ pic14_emitcode ("goto","_%05d_DS_",IC_TRUE(ifx)->key+100 + labelOffset);
+ }
+/* pic14_emitcode ("sjmp","%05d_DS_",lbl1->key+100); */
+/* pic14_emitcode ("","%05d_DS_:",lbl->key+100); */
+/* pic14_emitcode ("ljmp","%05d_DS_",IC_TRUE(ifx)->key+100); */
+/* pic14_emitcode ("","%05d_DS_:",lbl1->key+100); */
+
+
freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
ifx->generated = 1;
return 1;
/* genReceive - generate code for a receive iCode */
/*-----------------------------------------------------------------*/
static void genReceive (iCode *ic)
-{
- DEBUGemitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
-
- if (isOperandInFarSpace(IC_RESULT(ic)) &&
- ( OP_SYMBOL(IC_RESULT(ic))->isspilt ||
- IS_TRUE_SYMOP(IC_RESULT(ic))) ) {
-
- int size = getSize(operandType(IC_RESULT(ic)));
- int offset = fReturnSize - size;
- while (size--) {
- emitcode ("push","%s", (strcmp(fReturn[fReturnSize - offset - 1],"a") ?
- fReturn[fReturnSize - offset - 1] : "acc"));
- offset++;
- }
- aopOp(IC_RESULT(ic),ic,FALSE);
- size = AOP_SIZE(IC_RESULT(ic));
- offset = 0;
- while (size--) {
- emitcode ("pop","acc");
- aopPut (AOP(IC_RESULT(ic)),"a",offset++);
- }
-
+{
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if (isOperandInFarSpace(IC_RESULT(ic)) &&
+ ( OP_SYMBOL(IC_RESULT(ic))->isspilt ||
+ IS_TRUE_SYMOP(IC_RESULT(ic))) ) {
+
+ int size = getSize(operandType(IC_RESULT(ic)));
+ int offset = fReturnSizePic - size;
+ while (size--) {
+ pic14_emitcode ("push","%s", (strcmp(fReturn[fReturnSizePic - offset - 1],"a") ?
+ fReturn[fReturnSizePic - offset - 1] : "acc"));
+ offset++;
+ }
+ aopOp(IC_RESULT(ic),ic,FALSE);
+ size = AOP_SIZE(IC_RESULT(ic));
+ offset = 0;
+ while (size--) {
+ pic14_emitcode ("pop","acc");
+ aopPut (AOP(IC_RESULT(ic)),"a",offset++);
+ }
+
} else {
- _G.accInUse++;
- aopOp(IC_RESULT(ic),ic,FALSE);
- _G.accInUse--;
- assignResultValue(IC_RESULT(ic));
+ _G.accInUse++;
+ aopOp(IC_RESULT(ic),ic,FALSE);
+ _G.accInUse--;
+ assignResultValue(IC_RESULT(ic));
}
freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
-/* genpic14Code - generate code for pic14 based controllers */
+/* genpic14Code - generate code for pic14 based controllers */
/*-----------------------------------------------------------------*/
+/*
+ * At this point, ralloc.c has gone through the iCode and attempted
+ * to optimize in a way suitable for a PIC. Now we've got to generate
+ * PIC instructions that correspond to the iCode.
+ *
+ * Once the instructions are generated, we'll pass through both the
+ * peep hole optimizer and the pCode optimizer.
+ *-----------------------------------------------------------------*/
+
void genpic14Code (iCode *lic)
{
iCode *ic;
lineHead = lineCurr = NULL;
+ pb = newpCodeChain(GcurMemmap,0,newpCodeCharP("; Starting pCode block"));
+ addpBlock(pb);
+
/* if debug information required */
/* if (options.debug && currFunc) { */
if (currFunc) {
- cdbSymbol(currFunc,cdbFile,FALSE,TRUE);
- _G.debugLine = 1;
- if (IS_STATIC(currFunc->etype))
- emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__);
- else
- emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__);
- _G.debugLine = 0;
+ cdbSymbol(currFunc,cdbFile,FALSE,TRUE);
+ _G.debugLine = 1;
+ if (IS_STATIC(currFunc->etype)) {
+ pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__);
+ //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name));
+ } else {
+ pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__);
+ //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name));
+ }
+ _G.debugLine = 0;
}
for (ic = lic ; ic ; ic = ic->next ) {
- DEBUGemitcode(";ic","");
- if ( cln != ic->lineno ) {
- if ( options.debug ) {
- _G.debugLine = 1;
- emitcode("",";C$%s$%d$%d$%d ==.",
- ic->filename,ic->lineno,
- ic->level,ic->block);
- _G.debugLine = 0;
- }
- emitcode(";","%s %d",ic->filename,ic->lineno);
- cln = ic->lineno ;
- }
- /* if the result is marked as
- spilt and rematerializable or code for
- this has already been generated then
- do nothing */
- if (resultRemat(ic) || ic->generated )
- continue ;
-
- /* depending on the operation */
- switch (ic->op) {
- case '!' :
- genNot(ic);
- break;
-
- case '~' :
- genCpl(ic);
- break;
-
- case UNARYMINUS:
- genUminus (ic);
- break;
-
- case IPUSH:
- genIpush (ic);
- break;
-
- case IPOP:
- /* IPOP happens only when trying to restore a
- spilt live range, if there is an ifx statement
- following this pop then the if statement might
- be using some of the registers being popped which
- would destory the contents of the register so
- we need to check for this condition and handle it */
- if (ic->next &&
- ic->next->op == IFX &&
- regsInCommon(IC_LEFT(ic),IC_COND(ic->next)))
- genIfx (ic->next,ic);
- else
- genIpop (ic);
- break;
-
- case CALL:
- genCall (ic);
- break;
-
- case PCALL:
- genPcall (ic);
- break;
-
- case FUNCTION:
- genFunction (ic);
- break;
-
- case ENDFUNCTION:
- genEndFunction (ic);
- break;
-
- case RETURN:
- genRet (ic);
- break;
-
- case LABEL:
- genLabel (ic);
- break;
-
- case GOTO:
- genGoto (ic);
- break;
-
- case '+' :
- genPlus (ic) ;
- break;
-
- case '-' :
- if ( ! genDjnz (ic,ifxForOp(IC_RESULT(ic),ic)))
- genMinus (ic);
- break;
-
- case '*' :
- genMult (ic);
- break;
-
- case '/' :
- genDiv (ic) ;
- break;
-
- case '%' :
- genMod (ic);
- break;
-
- case '>' :
- genCmpGt (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case '<' :
- genCmpLt (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case LE_OP:
- case GE_OP:
- case NE_OP:
-
- /* note these two are xlated by algebraic equivalence
- during parsing SDCC.y */
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "got '>=' or '<=' shouldn't have come here");
- break;
-
- case EQ_OP:
- genCmpEq (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case AND_OP:
- genAndOp (ic);
- break;
-
- case OR_OP:
- genOrOp (ic);
- break;
-
- case '^' :
- genXor (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case '|' :
- genOr (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case BITWISEAND:
+ DEBUGpic14_emitcode(";ic","");
+ if ( cln != ic->lineno ) {
+ if ( options.debug ) {
+ _G.debugLine = 1;
+ pic14_emitcode("",";C$%s$%d$%d$%d ==.",
+ FileBaseName(ic->filename),ic->lineno,
+ ic->level,ic->block);
+ _G.debugLine = 0;
+ }
+ pic14_emitcode("#CSRC","%s %d",FileBaseName(ic->filename),ic->lineno);
+ cln = ic->lineno ;
+ }
+ /* if the result is marked as
+ spilt and rematerializable or code for
+ this has already been generated then
+ do nothing */
+ if (resultRemat(ic) || ic->generated )
+ continue ;
+
+ /* depending on the operation */
+ switch (ic->op) {
+ case '!' :
+ genNot(ic);
+ break;
+
+ case '~' :
+ genCpl(ic);
+ break;
+
+ case UNARYMINUS:
+ genUminus (ic);
+ break;
+
+ case IPUSH:
+ genIpush (ic);
+ break;
+
+ case IPOP:
+ /* IPOP happens only when trying to restore a
+ spilt live range, if there is an ifx statement
+ following this pop then the if statement might
+ be using some of the registers being popped which
+ would destory the contents of the register so
+ we need to check for this condition and handle it */
+ if (ic->next &&
+ ic->next->op == IFX &&
+ regsInCommon(IC_LEFT(ic),IC_COND(ic->next)))
+ genIfx (ic->next,ic);
+ else
+ genIpop (ic);
+ break;
+
+ case CALL:
+ genCall (ic);
+ break;
+
+ case PCALL:
+ genPcall (ic);
+ break;
+
+ case FUNCTION:
+ genFunction (ic);
+ break;
+
+ case ENDFUNCTION:
+ genEndFunction (ic);
+ break;
+
+ case RETURN:
+ genRet (ic);
+ break;
+
+ case LABEL:
+ genLabel (ic);
+ break;
+
+ case GOTO:
+ genGoto (ic);
+ break;
+
+ case '+' :
+ genPlus (ic) ;
+ break;
+
+ case '-' :
+ if ( ! genDjnz (ic,ifxForOp(IC_RESULT(ic),ic)))
+ genMinus (ic);
+ break;
+
+ case '*' :
+ genMult (ic);
+ break;
+
+ case '/' :
+ genDiv (ic) ;
+ break;
+
+ case '%' :
+ genMod (ic);
+ break;
+
+ case '>' :
+ genCmpGt (ic,ifxForOp(IC_RESULT(ic),ic));
+ break;
+
+ case '<' :
+ genCmpLt (ic,ifxForOp(IC_RESULT(ic),ic));
+ break;
+
+ case LE_OP:
+ case GE_OP:
+ case NE_OP:
+
+ /* note these two are xlated by algebraic equivalence
+ during parsing SDCC.y */
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "got '>=' or '<=' shouldn't have come here");
+ break;
+
+ case EQ_OP:
+ genCmpEq (ic,ifxForOp(IC_RESULT(ic),ic));
+ break;
+
+ case AND_OP:
+ genAndOp (ic);
+ break;
+
+ case OR_OP:
+ genOrOp (ic);
+ break;
+
+ case '^' :
+ genXor (ic,ifxForOp(IC_RESULT(ic),ic));
+ break;
+
+ case '|' :
+ genOr (ic,ifxForOp(IC_RESULT(ic),ic));
+ break;
+
+ case BITWISEAND:
genAnd (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case INLINEASM:
- genInline (ic);
- break;
-
- case RRC:
- genRRC (ic);
- break;
-
- case RLC:
- genRLC (ic);
- break;
-
- case GETHBIT:
- genGetHbit (ic);
- break;
-
- case LEFT_OP:
- genLeftShift (ic);
- break;
-
- case RIGHT_OP:
- genRightShift (ic);
- break;
-
- case GET_VALUE_AT_ADDRESS:
- genPointerGet(ic);
- break;
-
- case '=' :
- if (POINTER_SET(ic))
- genPointerSet(ic);
- else
- genAssign(ic);
- break;
-
- case IFX:
- genIfx (ic,NULL);
- break;
-
- case ADDRESS_OF:
- genAddrOf (ic);
- break;
-
- case JUMPTABLE:
- genJumpTab (ic);
- break;
-
- case CAST:
- genCast (ic);
- break;
-
- case RECEIVE:
- genReceive(ic);
- break;
-
- case SEND:
- addSet(&_G.sendSet,ic);
- break;
-
- default :
- ic = ic;
- /* piCode(ic,stdout); */
-
+ break;
+
+ case INLINEASM:
+ genInline (ic);
+ break;
+
+ case RRC:
+ genRRC (ic);
+ break;
+
+ case RLC:
+ genRLC (ic);
+ break;
+
+ case GETHBIT:
+ genGetHbit (ic);
+ break;
+
+ case LEFT_OP:
+ genLeftShift (ic);
+ break;
+
+ case RIGHT_OP:
+ genRightShift (ic);
+ break;
+
+ case GET_VALUE_AT_ADDRESS:
+ genPointerGet(ic);
+ break;
+
+ case '=' :
+ if (POINTER_SET(ic))
+ genPointerSet(ic);
+ else
+ genAssign(ic);
+ break;
+
+ case IFX:
+ genIfx (ic,NULL);
+ break;
+
+ case ADDRESS_OF:
+ genAddrOf (ic);
+ break;
+
+ case JUMPTABLE:
+ genJumpTab (ic);
+ break;
+
+ case CAST:
+ genCast (ic);
+ break;
+
+ case RECEIVE:
+ genReceive(ic);
+ break;
+
+ case SEND:
+ addSet(&_G.sendSet,ic);
+ break;
+
+ default :
+ ic = ic;
}
}
+
-
- /* now we are ready to call the
+ /* now we are ready to call the
peep hole optimizer */
if (!options.nopeep) {
printf("peep hole optimizing\n");
- peepHole (&lineHead);
+ peepHole (&lineHead);
}
/* now do the actual printing */
printLine (lineHead,codeOutFile);
+
+ printf("printing pBlock\n\n");
+ printpBlock(stdout,pb);
+
return;
}
projects / fw / sdcc / blobdiff