#include "SDCCglobl.h"
#include "newalloc.h"
-#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) && !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"
+
+extern void genUMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *);
+extern void genSMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *);
+void genMult8X8_8 (operand *, operand *,operand *);
+pCode *AssembleLine(char *line);
+extern void printpBlock(FILE *of, pBlock *pb);
+
static int labelOffset=0;
-static int debug_verbose=1;
+extern int debug_verbose;
+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;
+pCodeOp *popGetImmd(char *name, unsigned int offset, int index);
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
static char *one = "#0x01";
static char *spname = "sp";
-char *fReturnpic14[] = {"FSR","dph","b","a" };
+char *fReturnpic14[] = {"temp1","temp2","temp3","temp4" };
//char *fReturn390[] = {"dpl","dph","dpx", "b","a" };
unsigned fReturnSizePic = 4; /* shared with ralloc.c */
static char **fReturn = fReturnpic14;
set *sendSet;
} _G;
-char *Safe_strdup(char *str); // in pcode.c
+/* 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;
return -1;
}
-static void emitpLabel(int key)
+void DEBUGpic14_AopType(int line_no, operand *left, operand *right, operand *result)
{
- addpCode2pBlock(pb,newpCodeLabel(key));
+
+ 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));
+
}
-void emitpcode(PIC_OPCODE poc, pCodeOp *pcop)
+void DEBUGpic14_AopTypeSign(int line_no, operand *left, operand *right, operand *result)
{
- addpCode2pBlock(pb,newpCode(poc,pcop));
+ DEBUGpic14_emitcode ("; ","line = %d, signs: result %s=%c, left %s=%c, right %s=%c",
+ line_no,
+ ((result) ? AopType(AOP_TYPE(result)) : "-"),
+ ((result) ? (SPEC_USIGN(operandType(result)) ? 'u' : 's') : '-'),
+ ((left) ? AopType(AOP_TYPE(left)) : "-"),
+ ((left) ? (SPEC_USIGN(operandType(left)) ? 'u' : 's') : '-'),
+ ((right) ? AopType(AOP_TYPE(right)) : "-"),
+ ((right) ? (SPEC_USIGN(operandType(right)) ? 'u' : 's') : '-'));
}
-/*-----------------------------------------------------------------*/
-/* pic14_emitcode - writes the code into a file : for now it is simple */
-/*-----------------------------------------------------------------*/
-void pic14_emitcode (char *inst,char *fmt, ...)
+
+void DEBUGpic14_emitcode (char *inst,char *fmt, ...)
{
va_list ap;
char lb[INITIAL_INLINEASM];
char *lbp = lb;
+ if(!debug_verbose)
+ return;
+
va_start(ap,fmt);
if (inst && *inst) {
lineCurr->isInline = _G.inLine;
lineCurr->isDebug = _G.debugLine;
- if(debug_verbose)
- addpCode2pBlock(pb,newpCodeCharP(lb));
+ addpCode2pBlock(pb,newpCodeCharP(lb));
va_end(ap);
}
-void DEBUGpic14_emitcode (char *inst,char *fmt, ...)
+
+void emitpLabel(int key)
+{
+ addpCode2pBlock(pb,newpCodeLabel(NULL,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[INITIAL_INLINEASM];
char *lbp = lb;
- if(!debug_verbose)
- return;
-
va_start(ap,fmt);
if (inst && *inst) {
lineCurr->isInline = _G.inLine;
lineCurr->isDebug = _G.debugLine;
- addpCode2pBlock(pb,newpCodeCharP(lb));
+ if(debug_verbose)
+ addpCode2pBlock(pb,newpCodeCharP(lb));
va_end(ap);
}
if (!r0iu) {
/* push it if not already pushed */
if (!_G.r0Pushed) {
- pic14_emitcode ("push","%s",
- pic14_regWithIdx(R0_IDX)->dname);
+ //pic14_emitcode ("push","%s",
+ // pic14_regWithIdx(R0_IDX)->dname);
_G.r0Pushed++ ;
}
if (!r1iu) {
/* push it if not already pushed */
if (!_G.r1Pushed) {
- pic14_emitcode ("push","%s",
- pic14_regWithIdx(R1_IDX)->dname);
+ //pic14_emitcode ("push","%s",
+ // pic14_regWithIdx(R1_IDX)->dname);
_G.r1Pushed++ ;
}
}
}
+/*-----------------------------------------------------------------*/
+/* 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 */
/*-----------------------------------------------------------------*/
sym->aop = aop = newAsmop (AOP_CRY);
aop->aopu.aop_dir = sym->rname ;
aop->size = getSize(sym->type);
- DEBUGpic14_emitcode(";","%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 */
aop->aopu.aop_immd = Safe_calloc(1,strlen(sym->rname)+1);
strcpy(aop->aopu.aop_immd,sym->rname);
aop->size = FPTRSIZE;
+ DEBUGpic14_emitcode(";","%d size = %d, name =%s",__LINE__,aop->size,sym->rname);
return aop;
}
/* only remaining is far space */
/* in which case DPTR gets the address */
+ sym->aop = aop = newAsmop(AOP_PCODE);
+
+ aop->aopu.pcop = popGetImmd(sym->rname,0,0);
+ PCOI(aop->aopu.pcop)->_const = IN_CODESPACE(space);
+ PCOI(aop->aopu.pcop)->index = 0;
+
+ DEBUGpic14_emitcode(";","%d: rname %s, val %d, const = %d",
+ __LINE__,sym->rname, 0, PCOI(aop->aopu.pcop)->_const);
+
+ allocDirReg (IC_LEFT(ic));
+
+ aop->size = FPTRSIZE;
+/*
+ DEBUGpic14_emitcode(";","%d size = %d, name =%s",__LINE__,aop->size,sym->rname);
sym->aop = aop = newAsmop(AOP_DPTR);
pic14_emitcode ("mov","dptr,#%s", sym->rname);
aop->size = getSize(sym->type);
DEBUGpic14_emitcode(";","%d size = %d",__LINE__,aop->size);
+*/
+
/* if it is in code space */
if (IN_CODESPACE(space))
aop->code = 1;
/*-----------------------------------------------------------------*/
/* aopForRemat - rematerialzes an object */
/*-----------------------------------------------------------------*/
-static asmop *aopForRemat (symbol *sym)
-{
- iCode *ic = sym->rematiCode;
- asmop *aop = newAsmop(AOP_IMMD);
- int val = 0;
- DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__);
- for (;;) {
- if (ic->op == '+')
- val += (int) operandLitValue(IC_RIGHT(ic));
- else if (ic->op == '-')
- val -= (int) operandLitValue(IC_RIGHT(ic));
- else
- break;
+static asmop *aopForRemat (operand *op) // x symbol *sym)
+{
+ symbol *sym = OP_SYMBOL(op);
+ iCode *ic = NULL;
+ asmop *aop = newAsmop(AOP_PCODE);
+ int val = 0;
+ int offset = 0;
+
+ ic = sym->rematiCode;
+
+ DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__);
+ if(IS_OP_POINTER(op)) {
+ DEBUGpic14_emitcode(";","%s %d IS_OP_POINTER",__FUNCTION__,__LINE__);
+ }
+ for (;;) {
+ 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;
- }
+ 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);
- else
- strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname);
+ offset = OP_SYMBOL(IC_LEFT(ic))->offset;
+ aop->aopu.pcop = popGetImmd(OP_SYMBOL(IC_LEFT(ic))->rname,0,val);
+ PCOI(aop->aopu.pcop)->_const = IS_PTR_CONST(operandType(op));
+ PCOI(aop->aopu.pcop)->index = val;
- //DEBUGpic14_emitcode(";","%s",buffer);
- aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1);
- strcpy(aop->aopu.aop_immd,buffer);
- return aop;
+ DEBUGpic14_emitcode(";","%d: rname %s, val %d, const = %d",
+ __LINE__,OP_SYMBOL(IC_LEFT(ic))->rname,
+ val, IS_PTR_CONST(operandType(op)));
+
+ // DEBUGpic14_emitcode(";","aop type %s",AopType(AOP_TYPE(IC_LEFT(ic))));
+
+ allocDirReg (IC_LEFT(ic));
+
+ 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 (!op)
return ;
- DEBUGpic14_emitcode(";","%d",__LINE__);
+ // DEBUGpic14_emitcode(";","%d",__LINE__);
/* if this a literal */
if (IS_OP_LITERAL(op)) {
- DEBUGpic14_emitcode(";","%d",__LINE__);
op->aop = aop = newAsmop(AOP_LIT);
aop->aopu.aop_lit = op->operand.valOperand;
aop->size = getSize(operandType(op));
return;
}
+ {
+ sym_link *type = operandType(op);
+ if(IS_PTR_CONST(type))
+ DEBUGpic14_emitcode(";","%d aop type is const pointer",__LINE__);
+ }
+
/* if already has a asmop then continue */
if (op->aop)
return ;
/* if this is a true symbol */
if (IS_TRUE_SYMOP(op)) {
- DEBUGpic14_emitcode(";","%d",__LINE__);
- op->aop = aopForSym(ic,OP_SYMBOL(op),result);
- return ;
+ //DEBUGpic14_emitcode(";","%d - true symop",__LINE__);
+ op->aop = aopForSym(ic,OP_SYMBOL(op),result);
+ return ;
}
/* this is a temporary : this has
/* if the type is a conditional */
if (sym->regType == REG_CND) {
- DEBUGpic14_emitcode(";","%d",__LINE__);
aop = op->aop = sym->aop = newAsmop(AOP_CRY);
aop->size = 0;
return;
DEBUGpic14_emitcode(";","%d",__LINE__);
/* rematerialize it NOW */
if (sym->remat) {
+
sym->aop = op->aop = aop =
- aopForRemat (sym);
+ aopForRemat (op);
aop->size = getSize(sym->type);
- DEBUGpic14_emitcode(";","%d",__LINE__);
+ //DEBUGpic14_emitcode(";"," %d: size %d, %s\n",__LINE__,aop->size,aop->aopu.aop_immd);
return;
}
aop->size = getSize(sym->type);
for ( i = 0 ; i < 2 ; i++ )
aop->aopu.aop_str[i] = accUse[i];
- DEBUGpic14_emitcode(";","%d",__LINE__);
+ DEBUGpic14_emitcode(";","%d size=%d",__LINE__,aop->size);
return;
}
if (sym->ruonly ) {
- unsigned i;
- aop = op->aop = sym->aop = newAsmop(AOP_STR);
- aop->size = getSize(sym->type);
- for ( i = 0 ; i < fReturnSizePic ; i++ )
- aop->aopu.aop_str[i] = fReturn[i];
- DEBUGpic14_emitcode(";","%d",__LINE__);
- return;
+ /*
+ sym->aop = op->aop = aop = newAsmop(AOP_PCODE);
+ aop->aopu.pcop = popGetImmd(sym->usl.spillLoc->rname,0,sym->usl.spillLoc->offset);
+ //allocDirReg (IC_LEFT(ic));
+ aop->size = getSize(sym->type);
+ */
+
+ unsigned i;
+
+ aop = op->aop = sym->aop = newAsmop(AOP_STR);
+ aop->size = getSize(sym->type);
+ for ( i = 0 ; i < fReturnSizePic ; i++ )
+ aop->aopu.aop_str[i] = fReturn[i];
+
+ DEBUGpic14_emitcode(";","%d",__LINE__);
+ return;
}
/* else spill location */
- DEBUGpic14_emitcode(";","%s %d %s",__FUNCTION__,__LINE__,sym->usl.spillLoc->rname);
- sym->aop = op->aop = aop =
- aopForSym(ic,sym->usl.spillLoc,result);
+ if (sym->usl.spillLoc && getSize(sym->type) != getSize(sym->usl.spillLoc->type)) {
+ /* force a new aop if sizes differ */
+ sym->usl.spillLoc->aop = NULL;
+ }
+ DEBUGpic14_emitcode(";","%s %d %s sym->rname = %s, offset %d",
+ __FUNCTION__,__LINE__,
+ sym->usl.spillLoc->rname,
+ sym->rname, sym->usl.spillLoc->offset);
+
+ sym->aop = op->aop = aop = newAsmop(AOP_PCODE);
+ //aop->aopu.pcop = popGetImmd(sym->usl.spillLoc->rname,0,sym->usl.spillLoc->offset);
+ aop->aopu.pcop = popRegFromString(sym->usl.spillLoc->rname,
+ getSize(sym->type),
+ sym->usl.spillLoc->offset);
aop->size = getSize(sym->type);
+
return;
}
+ {
+ sym_link *type = operandType(op);
+ if(IS_PTR_CONST(type))
+ DEBUGpic14_emitcode(";","%d aop type is const pointer",__LINE__);
+ }
+
/* must be in a register */
+ DEBUGpic14_emitcode(";","%d register type nRegs=%d",__LINE__,sym->nRegs);
sym->aop = op->aop = aop = newAsmop(AOP_REG);
aop->size = sym->nRegs;
for ( i = 0 ; i < sym->nRegs ;i++)
/* 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 ) {
}
}
}
+#endif
dealloc:
/* all other cases just dealloc */
case AOP_IMMD:
- DEBUGpic14_emitcode(";","%d",__LINE__);
if (bit16)
sprintf (s,"%s",aop->aopu.aop_immd);
else
else
sprintf(s,"%s",
aop->aopu.aop_immd);
+ DEBUGpic14_emitcode(";","%d immd %s",__LINE__,s);
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
+ if (offset) {
+ sprintf(s,"(%s + %d)",
+ aop->aopu.aop_dir,
+ offset);
+ DEBUGpic14_emitcode(";","oops AOP_DIR did this %s\n",s);
+ } else
sprintf(s,"%s",aop->aopu.aop_dir);
rs = Safe_calloc(1,strlen(s)+1);
strcpy(rs,s);
return rs;
case AOP_REG:
- DEBUGpic14_emitcode(";","%d",__LINE__);
- if (dname)
- return aop->aopu.aop_reg[offset]->dname;
- else
+ //if (dname)
+ // return aop->aopu.aop_reg[offset]->dname;
+ //else
return aop->aopu.aop_reg[offset]->name;
case AOP_CRY:
- pic14_emitcode(";","%d",__LINE__);
- //pic14_emitcode("clr","a");
- //pic14_emitcode("mov","c,%s",aop->aopu.aop_dir);
- //pic14_emitcode("rlc","a") ;
- //return (dname ? "acc" : "a");
+ //pic14_emitcode(";","%d",__LINE__);
return aop->aopu.aop_dir;
case AOP_ACC:
DEBUGpic14_emitcode(";Warning -pic port ignoring get(AOP_ACC)","%d",__LINE__);
- //if (!offset && dname)
- // return "acc";
- //return aop->aopu.aop_str[offset];
return "AOP_accumulator_bug";
case AOP_LIT:
- DEBUGpic14_emitcode(";","%d",__LINE__);
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:
- DEBUGpic14_emitcode(";","%d",__LINE__);
aop->coff = offset ;
if (strcmp(aop->aopu.aop_str[offset],"a") == 0 &&
dname)
return "acc";
+ DEBUGpic14_emitcode(";","%d - %s",__LINE__, aop->aopu.aop_str[offset]);
return aop->aopu.aop_str[offset];
+ case AOP_PCODE:
+ {
+ pCodeOp *pcop = aop->aopu.pcop;
+ DEBUGpic14_emitcode(";","%d: aopGet AOP_PCODE type %s",__LINE__,pCodeOpType(pcop));
+ if(pcop->name) {
+ DEBUGpic14_emitcode(";","%s offset %d",pcop->name,PCOI(pcop)->offset);
+ //sprintf(s,"(%s+0x%02x)", pcop->name,PCOI(aop->aopu.pcop)->offset);
+ sprintf(s,"%s", pcop->name);
+ } else
+ sprintf(s,"0x%02x", PCOI(aop->aopu.pcop)->offset);
+
+ }
+ rs = Safe_calloc(1,strlen(s)+1);
+ strcpy(rs,s);
+ return rs;
+
}
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
exit(0);
}
+
+/*-----------------------------------------------------------------*/
+/* popGetTempReg - create a new temporary pCodeOp */
+/*-----------------------------------------------------------------*/
+pCodeOp *popGetTempReg(void)
+{
+
+ pCodeOp *pcop;
+
+ pcop = newpCodeOp(NULL, PO_GPR_TEMP);
+ if(pcop && pcop->type == PO_GPR_TEMP && PCOR(pcop)->r) {
+ PCOR(pcop)->r->wasUsed=1;
+ PCOR(pcop)->r->isFree=0;
+ }
+
+ return pcop;
+}
+
+/*-----------------------------------------------------------------*/
+/* popGetTempReg - create a new temporary pCodeOp */
+/*-----------------------------------------------------------------*/
+void popReleaseTempReg(pCodeOp *pcop)
+{
+
+ if(pcop && pcop->type == PO_GPR_TEMP && PCOR(pcop)->r)
+ PCOR(pcop)->r->isFree = 1;
+
+}
/*-----------------------------------------------------------------*/
/* popGetLabel - create a new pCodeOp of type PO_LABEL */
/*-----------------------------------------------------------------*/
pCodeOp *popGetLabel(unsigned int key)
{
- return newpCodeOpLabel(key+100+labelOffset);
+
+ DEBUGpic14_emitcode ("; ***","%s key=%d, label offset %d",__FUNCTION__,key, labelOffset);
+
+ if(key>max_key)
+ max_key = key;
+
+ return newpCodeOpLabel(NULL,key+100+labelOffset);
}
/*-----------------------------------------------------------------*/
pcor = Safe_calloc(1,sizeof(pCodeOpReg) );
pcor->pcop.type = pc->pcop.type;
- if(!(pcor->pcop.name = strdup(pc->pcop.name)))
- fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
+ if(pc->pcop.name) {
+ if(!(pcor->pcop.name = Safe_strdup(pc->pcop.name)))
+ fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
+ } else
+ pcor->pcop.name = NULL;
+
pcor->r = pc->r;
pcor->rIdx = pc->rIdx;
+ pcor->r->wasUsed=1;
+ //DEBUGpic14_emitcode ("; ***","%s , copying %s, rIdx=%d",__FUNCTION__,pc->pcop.name,pc->rIdx);
return PCOP(pcor);
}
-
/*-----------------------------------------------------------------*/
-/* popCopy - copy a pcode operator */
+/* popGet - asm operator to pcode operator conversion */
/*-----------------------------------------------------------------*/
-pCodeOp *popCopyGPR2Bit(pCodeOpReg *pc, int bitval)
+pCodeOp *popGetLit(unsigned int lit)
{
- pCodeOp *pcop;
-
- pcop = Safe_calloc(1,sizeof(pCodeOpBit) );
- pcop->type = PO_BIT;
- if(!(pcop->name = strdup(pc->pcop.name)))
- fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
- ((pCodeOpBit *)pcop)->bit = bitval;
- ((pCodeOpBit *)pcop)->inBitSpace = 0; //(pc->type == PO_BIT) ? 1 : 0;
-
- return pcop;
+ return newpCodeOpLit(lit);
}
+
/*-----------------------------------------------------------------*/
-/* popGet - asm operator to pcode operator conversion */
+/* popGetImmd - asm operator to pcode immediate conversion */
/*-----------------------------------------------------------------*/
-pCodeOp *popGetLit(unsigned int lit)
+pCodeOp *popGetImmd(char *name, unsigned int offset, int index)
{
- return newpCodeOpLit(lit);
+ return newpCodeOpImmd(name, offset,index, 0);
}
return pcop;
}
-pCodeOp *popRegFromString(char *str)
+/*-----------------------------------------------------------------*/
+/* popRegFromString - */
+/*-----------------------------------------------------------------*/
+pCodeOp *popRegFromString(char *str, int size, int offset)
{
pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
- pcop->type = PO_GPR_REGISTER;
-
- PCOR(pcop)->rIdx = -1;
- PCOR(pcop)->r = NULL;
+ pcop->type = PO_DIR;
DEBUGpic14_emitcode(";","%d",__LINE__);
- pcop->name = Safe_strdup( ( (str) ? str : "BAD STRING"));
+
+ if(!str)
+ str = "BAD_STRING";
+
+ pcop->name = Safe_calloc(1,strlen(str)+1);
+ strcpy(pcop->name,str);
+
+ //pcop->name = Safe_strdup( ( (str) ? str : "BAD STRING"));
+
+ PCOR(pcop)->r = dirregWithName(pcop->name);
+ if(PCOR(pcop)->r == NULL) {
+ //fprintf(stderr,"%d - couldn't find %s in allocated registers, size =%d\n",__LINE__,aop->aopu.aop_dir,aop->size);
+ PCOR(pcop)->r = allocRegByName (pcop->name,size);
+ DEBUGpic14_emitcode(";","%d %s offset=%d - had to alloc by reg name",__LINE__,pcop->name,offset);
+ } else {
+ DEBUGpic14_emitcode(";","%d %s offset=%d",__LINE__,pcop->name,offset);
+ }
+ PCOR(pcop)->instance = offset;
return pcop;
}
+pCodeOp *popRegFromIdx(int rIdx)
+{
+ pCodeOp *pcop;
+
+ DEBUGpic14_emitcode ("; ***","%s,%d , rIdx=0x%x",
+ __FUNCTION__,__LINE__,rIdx);
+
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+
+ 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;
+}
/*-----------------------------------------------------------------*/
/* popGet - asm operator to pcode operator conversion */
/*-----------------------------------------------------------------*/
-pCodeOp *popGet (asmop *aop, int offset, bool bit16, bool dname)
+pCodeOp *popGet (asmop *aop, int offset) //, bool bit16, bool dname)
{
- char *s = buffer ;
- char *rs;
+ //char *s = buffer ;
+ //char *rs;
pCodeOp *pcop;
case AOP_DPTR:
case AOP_DPTR2:
case AOP_ACC:
- DEBUGpic14_emitcode(";8051 legacy","%d",__LINE__);
- pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
- pcop->type = PO_SFR_REGISTER;
-
- PCOR(pcop)->rIdx = -1;
- PCOR(pcop)->r = NULL;
- // Really nasty hack to check for temporary registers
-
- pcop->name = Safe_strdup("BAD_REGISTER");
-
- return pcop;
+ DEBUGpic14_emitcode(";8051 legacy","%d type = %s",__LINE__,AopType(aop->type));
+ 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;
-
+ return popGetImmd(aop->aopu.aop_immd,offset,0);
+
case AOP_DIR:
- pcop = Safe_calloc(1,sizeof(pCodeOp) );
+ return popRegFromString(aop->aopu.aop_dir, aop->size, offset);
+#if 0
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
pcop->type = PO_DIR;
+
+ /*
if (offset)
sprintf(s,"(%s + %d)",
aop->aopu.aop_dir,
sprintf(s,"%s",aop->aopu.aop_dir);
pcop->name = Safe_calloc(1,strlen(s)+1);
strcpy(pcop->name,s);
+ */
+ pcop->name = Safe_calloc(1,strlen(aop->aopu.aop_dir)+1);
+ strcpy(pcop->name,aop->aopu.aop_dir);
+ PCOR(pcop)->r = dirregWithName(aop->aopu.aop_dir);
+ if(PCOR(pcop)->r == NULL) {
+ //fprintf(stderr,"%d - couldn't find %s in allocated registers, size =%d\n",__LINE__,aop->aopu.aop_dir,aop->size);
+ PCOR(pcop)->r = allocRegByName (aop->aopu.aop_dir,aop->size);
+ DEBUGpic14_emitcode(";","%d %s offset=%d - had to alloc by reg name",__LINE__,pcop->name,offset);
+ } else {
+ DEBUGpic14_emitcode(";","%d %s offset=%d",__LINE__,pcop->name,offset);
+ }
+ PCOR(pcop)->instance = offset;
+
return pcop;
+#endif
case AOP_REG:
{
int rIdx = aop->aopu.aop_reg[offset]->rIdx;
- DEBUGpic14_emitcode(";","%d",__LINE__);
pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
- pcop->type = PO_GPR_REGISTER;
PCOR(pcop)->rIdx = rIdx;
PCOR(pcop)->r = pic14_regWithIdx(rIdx);
- pcop->type = PCOR(pcop)->r->pc_type;
-
- if (dname)
- rs = aop->aopu.aop_reg[offset]->dname;
- else
- rs = aop->aopu.aop_reg[offset]->name;
-
- DEBUGpic14_emitcode(";","%d %s",__LINE__,rs);
+ PCOR(pcop)->r->wasUsed=1;
+ PCOR(pcop)->r->isFree=0;
+ PCOR(pcop)->instance = offset;
+ 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;
}
case AOP_CRY:
- pcop = newpCodeOpBit(aop->aopu.aop_dir,0);
+ pcop = newpCodeOpBit(aop->aopu.aop_dir,-1,1);
+ PCOR(pcop)->r = dirregWithName(aop->aopu.aop_dir);
+ //if(PCOR(pcop)->r == NULL)
+ //fprintf(stderr,"%d - couldn't find %s in allocated registers\n",__LINE__,aop->aopu.aop_dir);
return pcop;
case AOP_LIT:
- DEBUGpic14_emitcode(";","%d",__LINE__);
return newpCodeOpLit(pic14aopLiteral (aop->aopu.aop_lit,offset));
case AOP_STR:
- DEBUGpic14_emitcode(";","%d",__LINE__);
+ DEBUGpic14_emitcode(";","%d %s",__LINE__,aop->aopu.aop_str[offset]);
+ return newpCodeOpRegFromStr(aop->aopu.aop_str[offset]);
+ /*
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+ PCOR(pcop)->r = allocRegByName(aop->aopu.aop_str[offset]);
+ PCOR(pcop)->rIdx = PCOR(pcop)->r->rIdx;
+ pcop->type = PCOR(pcop)->r->pc_type;
+ pcop->name = PCOR(pcop)->r->name;
- pcop = Safe_calloc(1,sizeof(pCodeOp) );
- pcop->type = PO_STR;
+ return pcop;
+ */
- //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;
-
+ case AOP_PCODE:
+ DEBUGpic14_emitcode(";","popGet AOP_PCODE (%s) %d %s",pCodeOpType(aop->aopu.pcop),
+ __LINE__,
+ ((aop->aopu.pcop->name)? (aop->aopu.pcop->name) : "no name"));
+ pcop = pCodeOpCopy(aop->aopu.pcop);
+ PCOI(pcop)->offset = offset;
+ return pcop;
}
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
/* depending on where it is ofcourse */
switch (aop->type) {
case AOP_DIR:
- if (offset)
- sprintf(d,"(%s + %d)",
- aop->aopu.aop_dir,offset);
- else
+ if (offset) {
+ sprintf(d,"(%s + %d)",
+ aop->aopu.aop_dir,offset);
+ fprintf(stderr,"oops aopPut:AOP_DIR did this %s\n",s);
+
+ } else
sprintf(d,"%s",aop->aopu.aop_dir);
if (strcmp(d,s)) {
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,FALSE,FALSE));
+ if(strcmp(s,"W")) {
+ pic14_emitcode(";BUG!? should have this:movf","%s,w %d",s,__LINE__);
+ if(offset >= aop->size) {
+ emitpcode(POC_CLRF,popGet(aop,offset));
+ break;
+ } else
+ emitpcode(POC_MOVLW,popGetImmd(s,offset,0));
+ }
+
+ 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 (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0) { // &&
+ //strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){
/*
if (*s == '@' ||
strcmp(s,"r0") == 0 ||
else
*/
- if(strcmp(s,"W"))
+ if(strcmp(s,"W")==0 )
pic14_emitcode("movf","%s,w ; %d",s,__LINE__);
pic14_emitcode("movwf","%s",
aop->aopu.aop_reg[offset]->name);
- if(strcmp(s,"W")) {
+ if(strcmp(s,zero)==0) {
+ emitpcode(POC_CLRF,popGet(aop,offset));
+
+ } else if(strcmp(s,"W")==0) {
pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
pcop->type = PO_GPR_REGISTER;
DEBUGpic14_emitcode(";","%d",__LINE__);
pcop->name = Safe_strdup(s);
emitpcode(POC_MOVFW,pcop);
+ emitpcode(POC_MOVWF,popGet(aop,offset));
+ } else if(strcmp(s,one)==0) {
+ emitpcode(POC_CLRF,popGet(aop,offset));
+ emitpcode(POC_INCF,popGet(aop,offset));
+ } else {
+ emitpcode(POC_MOVWF,popGet(aop,offset));
}
- emitpcode(POC_MOVWF,popGet(aop,offset,FALSE,FALSE));
-
}
break;
}
+/*-----------------------------------------------------------------*/
+/* mov2w - generate either a MOVLW or MOVFW based operand type */
+/*-----------------------------------------------------------------*/
+void mov2w (asmop *aop, int offset)
+{
+
+ if(!aop)
+ return;
+
+ DEBUGpic14_emitcode ("; ***","%s %d offset=%d",__FUNCTION__,__LINE__,offset);
+
+ if ( aop->type == AOP_PCODE ||
+ aop->type == AOP_LIT )
+ emitpcode(POC_MOVLW,popGet(aop,offset));
+ else
+ emitpcode(POC_MOVFW,popGet(aop,offset));
+
+}
+
/*-----------------------------------------------------------------*/
/* reAdjustPreg - points a register back to where it should */
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
void pic14_outAcc(operand *result)
{
- int size, offset;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- size = pic14_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++));
+ }
+
}
/*-----------------------------------------------------------------*/
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if ( AOP_TYPE(oper) != AOP_ACC) {
- emitpcode(POC_MOVFW,popGet(AOP(oper),0,FALSE,FALSE));
- pic14_emitcode("movf","%s,w",aopGet(AOP(oper),0,FALSE,FALSE));
+ emitpcode(POC_MOVFW,popGet(AOP(oper),0));
}
while (size--) {
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(oper),offset,FALSE,FALSE));
- emitpcode(POC_IORFW, popGet(AOP(oper),offset++,FALSE,FALSE));
+ emitpcode(POC_IORFW, popGet(AOP(oper),offset++));
}
}
/*-----------------------------------------------------------------*/
static void genNot (iCode *ic)
{
- symbol *tlbl;
- sym_link *optype = operandType(IC_LEFT(ic));
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ symbol *tlbl;
+ sym_link *optype = operandType(IC_LEFT(ic));
+ int size;
- /* 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;
+ 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) {
+ if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY) {
+ emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_XORWF,popGet(AOP(IC_RESULT(ic)),0));
+ } else {
+ emitpcode(POC_CLRF,popGet(AOP(IC_RESULT(ic)),0));
+ emitpcode(POC_BTFSS,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_INCF,popGet(AOP(IC_RESULT(ic)),0));
}
+ 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;
+ }
- pic14_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);
- pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- pic14_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);
}
/*-----------------------------------------------------------------*/
static void genUminus (iCode *ic)
{
- int offset ,size ;
- sym_link *optype, *rtype;
+ int size, i;
+ sym_link *optype, *rtype;
- DEBUGpic14_emitcode ("; ***","%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 ) {
- 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;
- }
+ 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")) {
- pic14_emitcode("cpl","a");
- pic14_emitcode("inc","a");
- } else {
- pic14_emitcode("clr","a");
- pic14_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;
+ }
+
+ /* 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));
}
+ }
- /* 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))))) {
- pic14_emitcode("rlc","a");
- pic14_emitcode("subb","a,acc");
- while (size--)
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
- }
+ 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);
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
int i;
iCode *ic;
bitVect *rsave;
- sym_link *detype;
+ sym_link *dtype;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* look for call */
/* 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
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))
- 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) &&
+ }// else
+ //for (i = 0 ; i < pic14_nRegs ; i++) {
+ // if (bitVectBitValue(rsave,i))
+ // pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ //}
+
+ dtype = operandType(IC_LEFT(ic));
+ if (currFunc && 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);
}
/*-----------------------------------------------------------------*/
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))
- pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
- }
+ } //else
+ //for (i = pic14_nRegs ; i >= 0 ; i--) {
+ // if (bitVectBitValue(rsave,i))
+ // pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ //}
}
/*-----------------------------------------------------------------*/
static void pushSide(operand * oper, int size)
{
+#if 0
int offset = 0;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
while (size--) {
} else
pic14_emitcode("push","%s",l);
}
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void assignResultValue(operand * oper)
{
- int offset = 0;
- int size = AOP_SIZE(oper);
+ int size = AOP_SIZE(oper);
- DEBUGpic14_emitcode ("; ***","%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);
+ DEBUGpic14_AopType(__LINE__,oper,NULL,NULL);
- 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;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(IC_LEFT(ic),ic,FALSE);
- r = getFreePtr(ic,&aop,FALSE);
-
-
- pic14_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);
- 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);
- 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;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* 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) {
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);
}
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 ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if the temp was not pushed then */
if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
return ;
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;
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;
pic14_emitcode("mov","psw,#0x%02x",(bank << 3)&0x00ff);
}
ic->bankSaved = 1;
-
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genCall (iCode *ic)
{
- sym_link *detype;
+ sym_link *dtype;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if caller saves & we have not saved then */
- if (!ic->regsSaved)
- saveRegisters(ic);
+ /* 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 &&
- (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype)) &&
- IS_ISR(currFunc->etype) &&
- !ic->bankSaved)
+ /* 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 (currFunc && 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);
- /* if send set is not empty the assign */
- if (_G.sendSet) {
- iCode *sic ;
+ /* 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;
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
- int size, offset = 0;
+ _G.sendSet = reverseSet(_G.sendSet);
- aopOp(IC_LEFT(sic),sic,FALSE);
- size = AOP_SIZE(IC_LEFT(sic));
- while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset,
- FALSE,FALSE);
- DEBUGpic14_emitcode(";","%d - left type %d",__LINE__,AOP(IC_LEFT(sic))->type);
+ /* First figure how many parameters are getting passed */
+ for (sic = setFirstItem(_G.sendSet) ; sic ;
+ sic = setNextItem(_G.sendSet)) {
- if (strcmp(l,fReturn[offset])) {
+ aopOp(IC_LEFT(sic),sic,FALSE);
+ psuedoStkPtr += AOP_SIZE(IC_LEFT(sic));
+ freeAsmop (IC_LEFT(sic),NULL,sic,FALSE);
+ }
- if ( ((AOP(IC_LEFT(sic))->type) == AOP_IMMD) ||
- ((AOP(IC_LEFT(sic))->type) == AOP_LIT) )
- emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(sic)),size,FALSE,FALSE));
- //pic14_emitcode("movlw","%s",l);
- else
- emitpcode(POC_MOVFW,popGet(AOP(IC_LEFT(sic)),size,FALSE,FALSE));
- //pic14_emitcode("movf","%s,w",l);
+ for (sic = setFirstItem(_G.sendSet) ; sic ;
+ sic = setNextItem(_G.sendSet)) {
+ int size, offset = 0;
- // The last one is passed in W
- if(size)
- pic14_emitcode("movwf","%s",fReturn[offset]);
- }
- offset++;
- }
- freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
- }
- _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));
+ aopOp(IC_LEFT(sic),sic,FALSE);
+ size = AOP_SIZE(IC_LEFT(sic));
- pic14_emitcode("call","%s",(OP_SYMBOL(IC_LEFT(ic))->rname[0] ?
- OP_SYMBOL(IC_LEFT(ic))->rname :
- OP_SYMBOL(IC_LEFT(ic))->name));
+ while (size--) {
+ DEBUGpic14_emitcode ("; ","%d left %s",__LINE__,
+ AopType(AOP_TYPE(IC_LEFT(sic))));
- /* 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)) ) {
+ 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));
- _G.accInUse++;
- aopOp(IC_RESULT(ic),ic,FALSE);
- _G.accInUse--;
+ }
+ firstTimeThruLoop=0;
- assignResultValue(IC_RESULT(ic));
-
- freeAsmop(IC_RESULT(ic),NULL, ic,TRUE);
+ //if (strcmp(l,fReturn[offset])) {
+ mov2w (AOP(IC_LEFT(sic)), offset);
+/*
+ if ( ((AOP(IC_LEFT(sic))->type) == AOP_PCODE) ||
+ ((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 */
+ 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--;
- /* 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);
+ assignResultValue(IC_RESULT(ic));
- }
+ DEBUGpic14_emitcode ("; ","%d left %s",__LINE__,
+ AopType(AOP_TYPE(IC_RESULT(ic))));
+
+ freeAsmop(IC_RESULT(ic),NULL, ic,TRUE);
+ }
+
+ /* 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);
+
+ }
- /* if register bank was saved then pop them */
- if (ic->bankSaved)
- unsaverbank(SPEC_BANK(detype),ic,TRUE);
+ /* if register bank was saved then pop them */
+ if (ic->bankSaved)
+ unsaverbank(FUNC_REGBANK(dtype),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);
/* 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 (currFunc && 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 */
}
/* if register bank was saved then unsave them */
- if (detype &&
- (SPEC_BANK(currFunc->etype) !=
- SPEC_BANK(detype)))
- unsaverbank(SPEC_BANK(detype),ic,TRUE);
+ if (currFunc && 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)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if (SKIP_IC(ic) || ic->op == IFX)
- return 0;
+ // 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))
- return 1;
- }
+ if (IC_RESULT(ic) && IS_ITEMP(IC_RESULT(ic))) {
+ symbol *sym = OP_SYMBOL(IC_RESULT(ic));
+ if (sym->remat && !POINTER_SET(ic))
+ return 1;
+ }
- return 0;
+ return 0;
}
#if defined(__BORLANDC__) || defined(_MSC_VER)
#define STRCASECMP strcasecmp
#endif
+#if 0
/*-----------------------------------------------------------------*/
/* inExcludeList - return 1 if the string is in exclude Reg list */
/*-----------------------------------------------------------------*/
static bool inExcludeList(char *s)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
int i =0;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
}
return FALSE ;
}
+#endif
/*-----------------------------------------------------------------*/
/* genFunction - generated code for function entry */
static void genFunction (iCode *ic)
{
symbol *sym;
- sym_link *fetype;
+ sym_link *ftype;
- DEBUGpic14_emitcode ("; ***","%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 */
pic14_emitcode(";","-----------------------------------------");
pic14_emitcode("","%s:",sym->rname);
addpCode2pBlock(pb,newpCodeFunction(NULL,sym->rname));
- fetype = getSpec(operandType(IC_LEFT(ic)));
+ ftype = operandType(IC_LEFT(ic));
/* if critical function then turn interrupts off */
- if (SPEC_CRTCL(fetype))
+ 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)
pic14_emitcode("","%s = 0x%02x",
/* if this is an interrupt service routine then
save acc, b, dpl, dph */
- if (IS_ISR(sym->etype)) {
-
+ if (IFFUNC_ISISR(sym->type)) {
+ addpCode2pBlock(pb,newpCode(POC_GOTO,newpCodeOp("END_OF_INTERRUPT+1",PO_STR)));
+ emitpcodeNULLop(POC_NOP);
+ emitpcodeNULLop(POC_NOP);
+ emitpcodeNULLop(POC_NOP);
+ emitpcode(POC_MOVWF, popCopyReg(&pc_wsave));
+ emitpcode(POC_SWAPFW, popCopyReg(&pc_status));
+ emitpcode(POC_CLRF, popCopyReg(&pc_status));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_ssave));
+
+ pBlockConvert2ISR(pb);
+#if 0
if (!inExcludeList("acc"))
pic14_emitcode ("push","acc");
if (!inExcludeList("b"))
/* 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 (!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 (! sym->hasFcall) {
+ if (! IFFUNC_HASFCALL(sym->type)) {
int i;
/* if any registers used */
for ( i = 0 ; i < sym->regsUsed->size ; i++) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ pic14_emitcode("push","junk");//"%s",pic14_regWithIdx(i)->dname);
}
}
saverbank(0,ic,FALSE);
}
}
+#endif
} else {
/* if callee-save to be used for this function
then save the registers being used in this function */
- if (sym->calleeSave) {
+ if (IFFUNC_CALLEESAVES(sym->type)) {
int i;
/* if any registers used */
for ( i = 0 ; i < sym->regsUsed->size ; i++) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) {
- pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ //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)) {
+ if (FUNC_REGBANK(sym->type) || FUNC_ISISR(sym->type)) {
pic14_emitcode("push","psw");
- pic14_emitcode("mov","psw,#0x%02x",(SPEC_BANK(sym->etype) << 3)&0x00ff);
+ 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) {
pic14_emitcode("mov","r0,%s",spname);
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if (IS_RENT(sym->etype) || options.stackAuto)
+ if (IFFUNC_ISREENT(sym->type) || options.stackAuto)
{
pic14_emitcode ("mov","%s,_bp",spname);
}
}
- if ((IS_RENT(sym->etype) || options.stackAuto)) {
+ if ((IFFUNC_ISREENT(sym->type) || options.stackAuto)) {
if (options.useXstack) {
pic14_emitcode("mov","r0,%s",spname);
pic14_emitcode("movx","a,@r0");
}
/* restore the register bank */
- if (SPEC_BANK(sym->etype) || IS_ISR(sym->etype))
+ if (FUNC_REGBANK(sym->type) || FUNC_ISISR(sym->type))
pic14_emitcode ("pop","psw");
- if (IS_ISR(sym->etype)) {
+ 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 (!SPEC_BANK(sym->etype)) {
+ 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 (! sym->hasFcall) {
+ if (! IFFUNC_HASFCALL(sym->type)) {
int i;
/* if any registers used */
for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ pic14_emitcode("pop","junk");//"%s",pic14_regWithIdx(i)->dname);
}
}
unsaverbank(0,ic,FALSE);
}
}
-
+#if 0
if (options.model == MODEL_FLAT24 && !inExcludeList("dpx"))
{
if (options.stack10bit)
if (!inExcludeList("acc"))
pic14_emitcode ("pop","acc");
- if (SPEC_CRTCL(sym->etype))
+ if (IFFUNC_ISCRITICAL(sym->type))
pic14_emitcode("setb","ea");
+#endif
/* if debug then send end of function */
/* if (options.debug && currFunc) { */
}
pic14_emitcode ("reti","");
+
+ emitpcode(POC_CLRF, popCopyReg(&pc_status));
+ emitpcode(POC_SWAPFW, popCopyReg(&pc_ssave));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_status));
+ emitpcode(POC_SWAPF, popCopyReg(&pc_wsave));
+ emitpcode(POC_SWAPFW, popCopyReg(&pc_wsave));
+ addpCode2pBlock(pb,newpCodeLabel("END_OF_INTERRUPT",-1));
+
+ emitpcodeNULLop(POC_RETFIE);
+
}
else {
- if (SPEC_CRTCL(sym->etype))
+ if (IFFUNC_ISCRITICAL(sym->type))
pic14_emitcode("setb","ea");
- if (sym->calleeSave) {
+ if (IFFUNC_CALLEESAVES(sym->type)) {
int i;
/* if any registers used */
for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ pic14_emitcode("pop","junk");//"%s",pic14_regWithIdx(i)->dname);
}
}
}
pic14_emitcode ("return","");
- emitpcode(POC_RETURN,NULL);
+ emitpcodeNULLop(POC_RETURN);
/* Mark the end of a function */
addpCode2pBlock(pb,newpCodeFunction(NULL,NULL));
/*-----------------------------------------------------------------*/
static void genRet (iCode *ic)
{
- int size,offset = 0 , pushed = 0;
+ 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;
+ 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));
+ /* 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) )
- pic14_emitcode("movlw","%s",l);
- else
- pic14_emitcode("movf","%s,w",l);
- if(size)
- pic14_emitcode("movwf","%s",fReturn[offset]);
- offset++;
- }
- }
- }
-
- if (pushed) {
- while(pushed) {
- pushed--;
- if (strcmp(fReturn[pushed],"a"))
- pic14_emitcode("pop",fReturn[pushed]);
- else
- pic14_emitcode("pop","acc");
+ 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));
+ }
+ offset++;
+ }
+ }
+ }
+
+ if (pushed) {
+ while(pushed) {
+ pushed--;
+ if (strcmp(fReturn[pushed],"a"))
+ pic14_emitcode("pop",fReturn[pushed]);
+ else
+ 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))
+ /* 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)) {
- pic14_emitcode("goto","_%05d_DS_",returnLabel->key+100 + labelOffset);
+ emitpcode(POC_GOTO,popGetLabel(returnLabel->key));
+ pic14_emitcode("goto","_%05d_DS_",returnLabel->key+100 + labelOffset);
+ }
}
if (IC_LABEL(ic) == entryLabel)
return ;
- emitpLabel(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)
{
- pic14_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. */
-/*-----------------------------------------------------------------*/
-#if 0
-static int findLabelBackwards(iCode *ic, int key)
-{
- int count = 0;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (ic->prev)
- {
- ic = ic->prev;
- count++;
-
- if (ic->op == LABEL && IC_LABEL(ic)->key == key)
- {
- /* printf("findLabelBackwards = %d\n", count); */
- return count;
- }
- }
-
- return 0;
-}
-#endif
/*-----------------------------------------------------------------*/
/* genMultbits :- multiplication of bits */
operand *right,
operand *result)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(!pic14_sameRegs(AOP(result),AOP(right)))
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+
+ emitpcode(POC_BTFSC,popGet(AOP(right),0));
+ emitpcode(POC_BTFSS,popGet(AOP(left),0));
+ emitpcode(POC_BCF, popGet(AOP(result),0));
- pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir);
- pic14_outBitC(result);
}
operand *right,
operand *result)
{
- sym_link *opetype = operandType(result);
- char *l ;
- symbol *lbl ;
- int size,offset;
+ sym_link *opetype = operandType(result);
+
+ // symbol *lbl ;
+ int size,offset;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+ DEBUGpic14_AopTypeSign(__LINE__,left,right,result);
+
+ /* (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);
+ if(size == 1) {
+
+ if (AOP_TYPE(right) == AOP_LIT){
+ pic14_emitcode("multiply ","lit val:%s by variable %s and store in %s",
+ aopGet(AOP(right),0,FALSE,FALSE),
+ aopGet(AOP(left),0,FALSE,FALSE),
+ aopGet(AOP(result),0,FALSE,FALSE));
+ pic14_emitcode("call","genMultLit");
+ } else {
+ pic14_emitcode("multiply ","variable :%s by variable %s and store in %s",
+ aopGet(AOP(right),0,FALSE,FALSE),
+ aopGet(AOP(left),0,FALSE,FALSE),
+ aopGet(AOP(result),0,FALSE,FALSE));
+ pic14_emitcode("call","genMult8X8_8");
- DEBUGpic14_emitcode ("; ***","%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;
}
+ genMult8X8_8 (left, right,result);
+
- 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");
+ //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");
+ //aopPut(AOP(result),"a",0);
- /* adjust the MSB if left or right neg */
+ } else { // (size > 1)
- /* 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));
- }
+ pic14_emitcode("multiply (size>1) ","variable :%s by variable %s and store in %s",
+ aopGet(AOP(right),0,FALSE,FALSE),
+ aopGet(AOP(left),0,FALSE,FALSE),
+ aopGet(AOP(result),0,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));
+ if (SPEC_USIGN(opetype)){
+ pic14_emitcode("multiply ","unsigned result. size = %d",AOP_SIZE(result));
+ genUMult8X8_16 (left, right, result, NULL);
- 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++);
+ if (size > 2) {
+ /* for filling the MSBs */
+ emitpcode(POC_CLRF, popGet(AOP(result),2));
+ emitpcode(POC_CLRF, popGet(AOP(result),3));
+ }
}
+ else{
+ pic14_emitcode("multiply ","signed result. size = %d",AOP_SIZE(result));
+
+ pic14_emitcode("mov","a,b");
+
+ /* adjust the MSB if left or right neg */
+
+ /* if one literal */
+ if (AOP_TYPE(right) == AOP_LIT){
+ pic14_emitcode("multiply ","right is a 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{
+ genSMult8X8_16 (left, right, result, NULL);
+ }
+
+ if(size > 2){
+ pic14_emitcode("multiply ","size is greater than 2, so propogate sign");
+ /* get the sign */
+ pic14_emitcode("rlc","a");
+ pic14_emitcode("subb","a,acc");
+ }
+ }
+
+ size -= 2;
+ offset = 2;
+ if (size > 0)
+ while (size--)
+ pic14_emitcode("multiply ","size is way greater than 2, so propogate sign");
+ //aopPut(AOP(result),"a",offset++);
+ }
}
/*-----------------------------------------------------------------*/
aopOp (right,ic,FALSE);
aopOp (result,ic,TRUE);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
/* special cases first */
/* both are bits */
if (AOP_TYPE(left) == AOP_CRY &&
goto release ;
}
- /* should have been converted to function call */
- assert(1) ;
+ pic14_emitcode("multiply ","sizes are greater than 2... need to insert proper algor.");
+
+ /* should have been converted to function call */
+ //assert(0) ;
release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
}
/* 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));
}
/* should have been converted to function call */
- assert(1);
+ assert(0);
release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : 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)
{
else if (strcmp(jval,"c") == 0)
emitSKPC;
else {
- //pCodeOp *p = popGetWithString(jval);
- //p->type = PO_BIT;
- //emitpcode(POC_BTFSC, p);
- emitpcode(POC_BTFSC, newpCodeOpBit(jval,0));
- //pic14_emitcode("btfsc","(%s >> 3),(%s & 7)",jval,jval);
+ DEBUGpic14_emitcode ("; ***","%d - assuming %s is in bit space",__LINE__,jval);
+ emitpcode(POC_BTFSC, newpCodeOpBit(jval,-1,1));
}
emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ic)->key));
else if (strcmp(jval,"c") == 0)
emitSKPNC;
else {
- //pCodeOp *p = popGetWithString(jval);
- //p->type = PO_BIT;
- //emitpcode(POC_BTFSS, p);
- emitpcode(POC_BTFSS, newpCodeOpBit(jval,0));
-
- // pic14_emitcode("btfss","(%s >> 3),(%s & 7)",jval,jval);
+ DEBUGpic14_emitcode ("; ***","%d - assuming %s is in bit space",__LINE__,jval);
+ emitpcode(POC_BTFSS, newpCodeOpBit(jval,-1,1));
}
emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ic)->key));
/*-----------------------------------------------------------------*/
/* 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;
-
- if ( IC_TRUE(ifx) )
- emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
else
- emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ emitSKPNC;
- if ( IC_TRUE(ifx) )
- pic14_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, int invert_condition)
+{
+ if(!rifx)
+ return;
+
+ if( (rifx->condition ^ invert_condition) & 1)
+ emitSKPZ;
else
- pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
}
/*-----------------------------------------------------------------*/
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;
+}
+
+#if 0
+/*-----------------------------------------------------------------*/
+/* genChkZeroes :- greater or less than comparison */
+/* For each byte in a literal that is zero, inclusive or the */
+/* the corresponding byte in the operand with W */
+/* returns true if any of the bytes are zero */
+/*-----------------------------------------------------------------*/
+static int genChkZeroes(operand *op, int lit, int size)
+{
+
+ int i;
+ int flag =1;
+
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+ if(i==0) {
+ if(flag)
+ emitpcode(POC_MOVFW, popGet(AOP(op),size));
+ else
+ emitpcode(POC_IORFW, popGet(AOP(op),size));
+ flag = 0;
+ }
+ }
+
+ return (flag==0);
+}
+#endif
+
/*-----------------------------------------------------------------*/
/* genCmp :- greater or less than comparison */
/*-----------------------------------------------------------------*/
static void genCmp (operand *left,operand *right,
operand *result, iCode *ifx, int sign)
{
- int size, offset = 0 ;
+ int size; //, offset = 0 ;
unsigned long lit = 0L,i = 0;
-
+ resolvedIfx rFalseIfx;
+ // resolvedIfx rTrueIfx;
+ symbol *truelbl;
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(&rFalseIfx,ifx);
+ truelbl = newiTempLabel(NULL);
+ size = max(AOP_SIZE(left),AOP_SIZE(right));
+
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
+#define _swapp
+
+ /* if literal is on the right then swap with left */
+ if ((AOP_TYPE(right) == AOP_LIT)) {
+ operand *tmp = right ;
+ unsigned long mask = (0x100 << (8*(size-1))) - 1;
+ lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
+#ifdef _swapp
+
+ lit = (lit - 1) & mask;
+ right = left;
+ left = tmp;
+ rFalseIfx.condition ^= 1;
+#endif
+
+ } else if ((AOP_TYPE(left) == AOP_LIT)) {
+ lit = (unsigned long)floatFromVal(AOP(left)->aopu.aop_lit);
+ }
+
+
+ //if(IC_TRUE(ifx) == NULL)
/* if left & right are bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
AOP_TYPE(right) == AOP_CRY ) {
/* subtract right from left if at the
end the carry flag is set then we know that
left is greater than right */
- size = max(AOP_SIZE(left),AOP_SIZE(right));
- /* if unsigned char cmp with lit, do cjne left,#right,zz */
- if((size == 1) && !sign &&
- (AOP_TYPE(right) == AOP_LIT && AOP_TYPE(left) != AOP_DIR )){
- symbol *lbl = newiTempLabel(NULL);
- 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 {
+ // {
- if(AOP_TYPE(right) == AOP_LIT) {
+ symbol *lbl = newiTempLabel(NULL);
- DEBUGpic14_emitcode(";right lit","%d",sign);
+#ifndef _swapp
+ if(AOP_TYPE(right) == AOP_LIT) {
- lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
- //default:
- while(size--) {
- i = (lit >> (size*8)) & 0xff;
- if(i == 0) {
- emitpcode(POC_MOVFW, popGet(AOP(left),size,FALSE,FALSE));
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),size,FALSE,FALSE));
- genSkipz(ifx,IC_TRUE(ifx) == NULL);
- } else {
- emitpcode(POC_MOVLW, popGetLit(i));
- emitpcode(POC_SUBFW, popGet(AOP(left),size,FALSE,FALSE));
+ //lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
- pic14_emitcode("movlw","0x%x",i);
- pic14_emitcode("subwf","%s,w",aopGet(AOP(left),size,FALSE,FALSE));
- genSkipc(ifx,IC_TRUE(ifx) == NULL);
- }
+ DEBUGpic14_emitcode(";right lit","lit = 0x%x,sign=%d",lit,sign);
- }
- ifx->generated = 1;
- return;
- }
- if(AOP_TYPE(left) == AOP_LIT) {
+ /* special cases */
- DEBUGpic14_emitcode(";left lit","%d",sign);
+ if(lit == 0) {
- lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit))+1;
+ if(sign != 0)
+ genSkipCond(&rFalseIfx,left,size-1,7);
+ else
+ /* no need to compare to 0...*/
+ /* NOTE: this is a de-generate compare that most certainly
+ * creates some dead code. */
+ emitpcode(POC_GOTO,popGetLabel(rFalseIfx.lbl->key));
- //default:
- while(size--) {
- i = (lit >> (size*8)) & 0xff;
- if(i == 0) {
- emitpcode(POC_MOVFW, popGet(AOP(right),size,FALSE,FALSE));
- pic14_emitcode("movf","%s,w",aopGet(AOP(right),size,FALSE,FALSE));
- genSkipz(ifx,IC_TRUE(ifx) != NULL);
- } else if( i == 1 ) {
- emitpcode(POC_DECFW, popGet(AOP(right),size,FALSE,FALSE));
- pic14_emitcode("decf","%s,w",aopGet(AOP(right),size,FALSE,FALSE));
- genSkipz(ifx,IC_TRUE(ifx) != NULL);
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
+ size--;
+ if(size == 0) {
+ //i = (lit >> (size*8)) & 0xff;
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+
+ i = ((0-lit) & 0xff);
+ if(sign) {
+ if( i == 0x81) {
+ /* lit is 0x7f, all signed chars are less than
+ * this except for 0x7f itself */
+ emitpcode(POC_XORLW, popGetLit(0x7f));
+ genSkipz2(&rFalseIfx,0);
} else {
- emitpcode(POC_MOVLW, popGetLit(i));
- emitpcode(POC_SUBFW, popGet(AOP(right),size,FALSE,FALSE));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(i^0x80));
+ genSkipc(&rFalseIfx);
+ }
- pic14_emitcode("movlw","0x%x",i);
- pic14_emitcode("subwf","%s,w",aopGet(AOP(right),size,FALSE,FALSE));
- genSkipc(ifx,IC_TRUE(ifx) != NULL);
+ } else {
+ if(lit == 1) {
+ genSkipz2(&rFalseIfx,1);
+ } else {
+ emitpcode(POC_ADDLW, popGetLit(i));
+ genSkipc(&rFalseIfx);
}
}
- ifx->generated = 1;
+
+ if(ifx) ifx->generated = 1;
return;
}
+ /* chars are out of the way. now do ints and longs */
- // CLRC;
- DEBUGpic14_emitcode(";sign","%d",sign);
- pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- pic14_emitcode("subwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));//++
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ /* special cases */
- emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE));
- emitpcode(POC_SUBFW, popGet(AOP(left),offset++,FALSE,FALSE));
+ if(sign) {
- size--;
- while (size--) {
+ if(lit == 0) {
+ genSkipCond(&rFalseIfx,left,size,7);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
- emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE));
- emitSKPC;
- emitpcode(POC_INCFSZW, popGet(AOP(right),offset,FALSE,FALSE));
- emitpcode(POC_SUBFW, popGet(AOP(left),offset,FALSE,FALSE));
+ if(lit <0x100) {
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
-/*
- pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- emitSKPC;
- pic14_emitcode("incfsz","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- pic14_emitcode("subwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
-*/
- offset++;
- }
- }
- }
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,left,size,7);
+ //rFalseIfx.condition ^= 1;
- //release:
- if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) {
- pic14_outBitC(result);
- } else {
- /* if the result is used in the next
- ifx conditional branch then generate
- code a little differently */
- if (ifx )
- genIfxJump (ifx,"c");
- else
- pic14_outBitC(result);
- /* leave the result in acc */
- }
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
-}
+ emitpcode(POC_MOVLW, popGetLit(0x100-lit));
+ emitpcode(POC_ADDFW, popGet(AOP(left),0));
+ emitpcode(POC_MOVFW, popGet(AOP(left),1));
-/*-----------------------------------------------------------------*/
-/* genCmpGt :- greater than comparison */
-/*-----------------------------------------------------------------*/
-static void genCmpGt (iCode *ic, iCode *ifx)
-{
- operand *left, *right, *result;
- sym_link *letype , *retype;
- int sign ;
+ while(size > 1)
+ emitpcode(POC_IORFW, popGet(AOP(left),size--));
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- left = IC_LEFT(ic);
- right= IC_RIGHT(ic);
- result = IC_RESULT(ic);
+ if(rFalseIfx.condition) {
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
- 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);
+ } else {
+ emitSKPNZ;
+ }
- genCmp(right, left, result, ifx, sign);
+ genSkipc(&rFalseIfx);
+ emitpLabel(truelbl->key);
+ if(ifx) ifx->generated = 1;
+ return;
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
-}
+ }
-/*-----------------------------------------------------------------*/
-/* genCmpLt - less than comparisons */
-/*-----------------------------------------------------------------*/
-static void genCmpLt (iCode *ic, iCode *ifx)
-{
- operand *left, *right, *result;
- sym_link *letype , *retype;
- int sign ;
+ if(size == 1) {
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- left = IC_LEFT(ic);
- right= IC_RIGHT(ic);
- result = IC_RESULT(ic);
+ if( (lit & 0xff) == 0) {
+ /* lower byte is zero */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+ i = ((lit >> 8) & 0xff) ^0x80;
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_ADDLW, popGetLit( 0x80));
+ emitpcode(POC_ADDLW, popGetLit(0x100-i));
+ genSkipc(&rFalseIfx);
- 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);
+ if(ifx) ifx->generated = 1;
+ return;
- genCmp(left, right, result, ifx, sign);
+ }
+ } else {
+ /* Special cases for signed longs */
+ if( (lit & 0xffffff) == 0) {
+ /* lower byte is zero */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+ i = ((lit >> 8*3) & 0xff) ^0x80;
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_ADDLW, popGetLit( 0x80));
+ emitpcode(POC_ADDLW, popGetLit(0x100-i));
+ genSkipc(&rFalseIfx);
- 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)
-{
- int size = max(AOP_SIZE(left),AOP_SIZE(right));
- int offset = 0;
- unsigned long lit = 0L;
+ if(ifx) ifx->generated = 1;
+ return;
- DEBUGpic14_emitcode ("; ***","%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);
+ }
- /* 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) {
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("xorlw","0x%x",lit & 0xff);
- } else
- pic14_emitcode("movf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
+ }
- emitSKPNZ;
- pic14_emitcode("goto","_%05d_DS_",lbl->key+100+labelOffset);
- offset++;
- lit >>= 8;
- }
- }
- /* 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)) {
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("xorlw","0x%x",lit & 0xff);
- lit >>= 8;
- } else
- pic14_emitcode("movf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
+ if(lit & (0x80 << (size*8))) {
+ /* lit is negative */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
- emitSKPZ;
- pic14_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))
- pic14_emitcode("jnz","%05d_DS_",lbl->key+100);
- else
- pic14_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"))
- pic14_emitcode("mov","b,%s",l);
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- pic14_emitcode("cjne","a,b,%05d_DS_",lbl->key+100);
- offset++;
- }
- }
-}
+ //genSkipCond(&rFalseIfx,left,size,7);
-/*-----------------------------------------------------------------*/
-/* gencjne - compare and jump if not equal */
-/*-----------------------------------------------------------------*/
-static void gencjne(operand *left, operand *right, symbol *lbl)
-{
- symbol *tlbl = newiTempLabel(NULL);
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- gencjneshort(left, right, lbl);
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
- 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);
+
+ } else {
+ /* lit is positive */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ }
+
+ /*
+ This works, but is only good for ints.
+ It also requires a "known zero" register.
+ emitpcode(POC_MOVLW, popGetLit(mlit & 0xff));
+ emitpcode(POC_ADDFW, popGet(AOP(left),0));
+ emitpcode(POC_RLFW, popCopyReg(&pc_kzero));
+ emitpcode(POC_ADDLW, popGetLit( ((mlit>>8) & 0xff)));
+ emitpcode(POC_ADDFW, popGet(AOP(left),1));
+ genSkipc(&rFalseIfx);
+
+ emitpLabel(truelbl->key);
+ if(ifx) ifx->generated = 1;
+ return;
+ **/
+
+ /* There are no more special cases, so perform a general compare */
+
+ emitpcode(POC_MOVLW, popGetLit((lit >> (size*8)) & 0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+
+ while(size--) {
+
+ emitpcode(POC_MOVLW, popGetLit((lit >> (size*8)) & 0xff));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ }
+ //rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+
+ }
+
+
+ /* sign is out of the way. So now do an unsigned compare */
+ DEBUGpic14_emitcode(";right lit","line = %d unsigned compare to 0x%x",__LINE__,lit);
+
+
+ /* General case - compare to an unsigned literal on the right.*/
+
+ i = (lit >> (size*8)) & 0xff;
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+ if(i) {
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ } else {
+ /* this byte of the lit is zero,
+ *if it's not the last then OR in the variable */
+ if(size)
+ emitpcode(POC_IORFW, popGet(AOP(left),size));
+ }
+ }
+
+
+ emitpLabel(lbl->key);
+ //if(emitFinalCheck)
+ genSkipc(&rFalseIfx);
+ if(sign)
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+
+ }
+#endif // _swapp
+
+ if(AOP_TYPE(left) == AOP_LIT) {
+ //symbol *lbl = newiTempLabel(NULL);
+
+ //EXPERIMENTAL lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit));
+
+
+ DEBUGpic14_emitcode(";left lit","lit = 0x%x,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(&rFalseIfx,0);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(size==1) {
+ /* Special cases */
+ lit &= 0xff;
+ if(((lit == 0xff) && !sign) || ((lit==0x7f) && sign)) {
+ /* degenerate compare can never be true */
+ if(rFalseIfx.condition == 0)
+ emitpcode(POC_GOTO,popGetLabel(rFalseIfx.lbl->key));
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(sign) {
+ /* signed comparisons to a literal byte */
+
+ int lp1 = (lit+1) & 0xff;
+
+ DEBUGpic14_emitcode(";left lit","line = %d lit = 0x%x",__LINE__,lit);
+ switch (lp1) {
+ case 0:
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,right,0,7);
+ break;
+ case 0x7f:
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_XORLW, popGetLit(0x7f));
+ genSkipz2(&rFalseIfx,1);
+ break;
+ default:
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(((-(lit+1)) & 0xff) ^ 0x80));
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+ break;
+ }
+ } else {
+ /* unsigned comparisons to a literal byte */
+
+ switch(lit & 0xff ) {
+ case 0:
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ genSkipz2(&rFalseIfx,0);
+ break;
+ case 0x7f:
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,right,0,7);
+ break;
+
+ default:
+ emitpcode(POC_MOVLW, popGetLit((lit+1) & 0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),0));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ rFalseIfx.condition ^= 1;
+ if (AOP_TYPE(result) == AOP_CRY)
+ genSkipc(&rFalseIfx);
+ else {
+ emitpcode(POC_CLRF, popGet(AOP(result),0));
+ emitpcode(POC_RLF, popGet(AOP(result),0));
+ }
+ break;
+ }
+ }
+
+ if(ifx) ifx->generated = 1;
+ //goto check_carry;
+ return;
+
+ } else {
+
+ /* Size is greater than 1 */
+
+ if(sign) {
+ int lp1 = lit+1;
+
+ size--;
+
+ if(lp1 == 0) {
+ /* this means lit = 0xffffffff, or -1 */
+
+
+ DEBUGpic14_emitcode(";left lit = -1","line = %d ",__LINE__);
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,right,size,7);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(lit == 0) {
+ int s = size;
+
+ if(rFalseIfx.condition) {
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ }
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(size--)
+ emitpcode(POC_IORFW, popGet(AOP(right),size));
+
+
+ emitSKPZ;
+ if(rFalseIfx.condition) {
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ emitpLabel(truelbl->key);
+ }else {
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,right,s,7);
+ }
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if((size == 1) && (0 == (lp1&0xff))) {
+ /* lower byte of signed word is zero */
+ DEBUGpic14_emitcode(";left lit","line = %d 0x%x+1 low byte is zero",__LINE__,lit);
+ i = ((lp1 >> 8) & 0xff) ^0x80;
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_ADDLW, popGetLit( 0x80));
+ emitpcode(POC_ADDLW, popGetLit(0x100-i));
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(lit & (0x80 << (size*8))) {
+ /* Lit is less than zero */
+ DEBUGpic14_emitcode(";left lit","line = %d 0x%x is less than 0",__LINE__,lit);
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,left,size,7);
+ //rFalseIfx.condition ^= 1;
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ //emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+
+ } else {
+ /* Lit is greater than or equal to zero */
+ DEBUGpic14_emitcode(";left lit","line = %d 0x%x is greater than 0",__LINE__,lit);
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,right,size,7);
+ //rFalseIfx.condition ^= 1;
+
+ //emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ //emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+
+ }
+
+
+ emitpcode(POC_MOVLW, popGetLit((lp1 >> (size*8)) & 0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+
+ while(size--) {
+
+ emitpcode(POC_MOVLW, popGetLit((lp1 >> (size*8)) & 0xff));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+ }
+ rFalseIfx.condition ^= 1;
+ //rFalseIfx.condition = 1;
+ genSkipc(&rFalseIfx);
+
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
+ // end of if (sign)
+ } else {
+
+ /* compare word or long to an unsigned literal on the right.*/
+
+
+ size--;
+ if(lit < 0xff) {
+ DEBUGpic14_emitcode ("; ***","%s %d lit =0x%x < 0xff",__FUNCTION__,__LINE__,lit);
+ switch (lit) {
+ case 0:
+ break; /* handled above */
+/*
+ case 0xff:
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(size--)
+ emitpcode(POC_IORFW, popGet(AOP(right),size));
+ genSkipz2(&rFalseIfx,0);
+ break;
+*/
+ default:
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(--size)
+ emitpcode(POC_IORFW, popGet(AOP(right),size));
+
+ emitSKPZ;
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+
+ emitpcode(POC_MOVLW, popGetLit(lit+1));
+ emitpcode(POC_SUBFW, popGet(AOP(right),0));
+
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+ }
+
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+
+ lit++;
+ DEBUGpic14_emitcode ("; ***","%s %d lit =0x%x",__FUNCTION__,__LINE__,lit);
+ i = (lit >> (size*8)) & 0xff;
+
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+ if(i) {
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+ } else {
+ /* this byte of the lit is zero,
+ *if it's not the last then OR in the variable */
+ if(size)
+ emitpcode(POC_IORFW, popGet(AOP(right),size));
+ }
+ }
+
+
+ emitpLabel(lbl->key);
+
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+ }
+
+ if(sign)
+ emitpLabel(truelbl->key);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+ }
+ /* Compare two variables */
+
+ DEBUGpic14_emitcode(";sign","%d",sign);
+
+ 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(&rFalseIfx);
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ } else {
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),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));
+
+
+ }
+
+ emitpLabel(lbl->key);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if ((AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) ||
+ (AOP_TYPE(result) == AOP_REG)) {
+ emitpcode(POC_CLRF, popGet(AOP(result),0));
+ emitpcode(POC_RLF, popGet(AOP(result),0));
+ } else {
+ genSkipc(&rFalseIfx);
+ }
+ //genSkipc(&rFalseIfx);
+ if(ifx) ifx->generated = 1;
+
+ return;
+
+ }
+
+ // check_carry:
+ if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ pic14_outBitC(result);
+ } else {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* if the result is used in the next
+ ifx conditional branch then generate
+ code a little differently */
+ if (ifx )
+ genIfxJump (ifx,"c");
+ else
+ pic14_outBitC(result);
+ /* leave the result in acc */
+ }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genCmpGt :- greater than comparison */
+/*-----------------------------------------------------------------*/
+static void genCmpGt (iCode *ic, iCode *ifx)
+{
+ operand *left, *right, *result;
+ sym_link *letype , *retype;
+ int sign ;
+
+ 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));
+ /* assign the amsops */
+ aopOp (left,ic,FALSE);
+ aopOp (right,ic,FALSE);
+ aopOp (result,ic,TRUE);
+
+ genCmp(right, left, result, ifx, sign);
+
+ freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
+ freeAsmop(result,NULL,ic,TRUE);
+}
+
+/*-----------------------------------------------------------------*/
+/* genCmpLt - less than comparisons */
+/*-----------------------------------------------------------------*/
+static void genCmpLt (iCode *ic, iCode *ifx)
+{
+ operand *left, *right, *result;
+ sym_link *letype , *retype;
+ int sign ;
+
+ 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));
+
+ /* 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;
+
+ 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));
+
+ }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* gencjneshort - compare and jump if not equal */
+/*-----------------------------------------------------------------*/
+static void gencjne(operand *left, operand *right, operand *result, iCode *ifx)
+{
+ int size = max(AOP_SIZE(left),AOP_SIZE(right));
+ int offset = 0;
+ int res_offset = 0; /* the result may be a different size then left or right */
+ int res_size = AOP_SIZE(result);
+ resolvedIfx rIfx;
+ symbol *lbl;
+
+ unsigned long lit = 0L;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+ if(result)
+ DEBUGpic14_emitcode ("; ***","%s %d result is not null",__FUNCTION__,__LINE__);
+ resolveIfx(&rIfx,ifx);
+ lbl = newiTempLabel(NULL);
+
+
+ /* 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++;
+ if(res_offset < res_size-1)
+ res_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))) {
+ //int lbl_key = (rIfx.condition) ? rIfx.lbl->key : lbl->key;
+ int lbl_key = lbl->key;
+
+ if(result) {
+ emitpcode(POC_CLRF,popGet(AOP(result),res_offset));
+ //emitpcode(POC_INCF,popGet(AOP(result),res_offset));
+ }else {
+ DEBUGpic14_emitcode ("; ***","%s %d -- ERROR",__FUNCTION__,__LINE__);
+ fprintf(stderr, "%s %d error - expecting result to be non_null\n",
+ __FUNCTION__,__LINE__);
+ return;
+ }
+
+/* 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_DECFSZW,popGet(AOP(left),offset));
+ emitpcode(POC_INCF,popGet(AOP(result),res_offset));
+ //emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ emit_skip=0;
+ break;
+ case 0xff:
+ emitpcode(POC_INCFSZW,popGet(AOP(left),offset));
+ //emitpcode(POC_INCF,popGet(AOP(result),res_offset));
+ //emitpcode(POC_INCFSZW,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)
+ emitSKPZ;
+ else
+ emitSKPNZ;
+ emitpcode(POC_GOTO,popGetLabel(lbl_key));
+ //emitpcode(POC_INCF,popGet(AOP(result),res_offset));
+ }
+ if(ifx)
+ ifx->generated=1;
+ }
+ emit_skip++;
+ offset++;
+ if(res_offset < res_size-1)
+ res_offset++;
+ }
+/* break; */
+/* } */
+ } else if(AOP_TYPE(right) == AOP_REG &&
+ AOP_TYPE(left) != AOP_DIR){
+
+ 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++;
+ if(res_offset < res_size-1)
+ res_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++;
+ }
+ }
+
+ emitpcode(POC_INCF,popGet(AOP(result),res_offset));
+ if(!rIfx.condition)
+ emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key));
+
+ emitpLabel(lbl->key);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(ifx)
+ ifx->generated = 1;
}
+#if 0
+/*-----------------------------------------------------------------*/
+/* gencjne - compare and jump if not equal */
+/*-----------------------------------------------------------------*/
+static void gencjne(operand *left, operand *right, iCode *ifx)
+{
+ symbol *tlbl = newiTempLabel(NULL);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ gencjneshort(left, right, lbl);
+
+ 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 */
int size,offset=0;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
if(ifx)
DEBUGpic14_emitcode ("; ifx is non-null","");
else
size = max(AOP_SIZE(left),AOP_SIZE(right));
+ 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) ||
(IS_AOP_PREG(right) && !IS_AOP_PREG(left))) {
- operand *t = IC_RIGHT(ic);
- IC_RIGHT(ic) = IC_LEFT(ic);
- IC_LEFT(ic) = t;
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
}
+
if(ifx && !AOP_SIZE(result)){
symbol *tlbl;
/* if they are both bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
((AOP_TYPE(right) == AOP_CRY) || (AOP_TYPE(right) == AOP_LIT))) {
if(AOP_TYPE(right) == AOP_LIT){
- unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ unsigned long lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
if(lit == 0L){
pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
pic14_emitcode("cpl","c");
pic14_emitcode("ljmp","%05d_DS_",IC_FALSE(ifx)->key+100);
}
pic14_emitcode("","%05d_DS_:",tlbl->key+100+labelOffset);
+
+ {
+ /* left and right are both bit variables, result is carry */
+ resolvedIfx rIfx;
+
+ resolveIfx(&rIfx,ifx);
+
+ emitpcode(POC_MOVLW,popGet(AOP(left),0));
+ emitpcode(POC_ANDFW,popGet(AOP(left),0));
+ emitpcode(POC_BTFSC,popGet(AOP(right),0));
+ emitpcode(POC_ANDLW,popGet(AOP(left),0));
+ genSkipz2(&rIfx,0);
+ }
} 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:
- emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE));
- //pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- //pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0x0001:
- emitpcode(POC_DECFW,popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE));
- pic14_emitcode("decf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0x0100:
- emitpcode(POC_DECFW,popGet(AOP(left),offset+1,FALSE,FALSE));
- emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("decf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0x00ff:
- emitpcode(POC_INCFW,popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE));
- pic14_emitcode("incf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- case 0xff00:
- emitpcode(POC_INCFW,popGet(AOP(left),offset+1,FALSE,FALSE));
- emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("incf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- genSkip(ifx,'z');
- optimized++;
- break;
- default:
- if(h == 0) {
- emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_XORLW,popGetLit(l));
- emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE));
-
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("xorlw","0x%x",l);
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- optimized++;
- genSkip(ifx,'z');
- } else if (l == 0) {
- emitpcode(POC_MOVFW,popGet(AOP(left),offset+1,FALSE,FALSE));
- emitpcode(POC_XORLW,popGetLit(h));
- emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE));
-
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
- pic14_emitcode("xorlw","0x%x",h);
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- optimized++;
- genSkip(ifx,'z');
- } else {
- emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_XORLW,popGetLit(l));
- emitpcode(POC_MOVLW,popGetLit(h));
- emitSKPZ;
- emitpcode(POC_XORFW,popGet(AOP(left),offset+1,FALSE,FALSE));
-/*
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("xorlw","0x%x",l);
- pic14_emitcode("movlw","0x%x",h);
- emitSKPZ;
- pic14_emitcode("xorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE));
-*/
- optimized++;
- genSkip(ifx,'z');
- }
-
- }
- if(optimized) {
- size--;
- offset+=2;
- lit>>=16;
+
+ switch(size) {
- continue;
- }
-
- }
-
+ case 1:
switch(lit & 0xff) {
case 1:
if ( IC_TRUE(ifx) ) {
-
- pic14_emitcode("decf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
-
- emitpcode(POC_DECFW,popGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_DECFW,popGet(AOP(left),offset));
emitSKPNZ;
emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
-
- pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
} else {
- emitpcode(POC_DECFSZW,popGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_DECFSZW,popGet(AOP(left),offset));
emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
-
- pic14_emitcode("decfsz","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
}
break;
case 0xff:
if ( IC_TRUE(ifx) ) {
- pic14_emitcode("incf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
-
- emitpcode(POC_INCFW,popGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_INCFW,popGet(AOP(left),offset));
emitSKPNZ;
emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
-
- pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset);
} else {
- emitpcode(POC_INCFSZW,popGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_INCFSZW,popGet(AOP(left),offset));
emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
-
- pic14_emitcode("incfsz","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
}
break;
default:
- emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE));
- //pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
if(lit)
emitpcode(POC_XORLW,popGetLit(lit & 0xff));
- //pic14_emitcode("xorlw","0x%x",lit & 0xff);
genSkip(ifx,'z');
}
- // pic14_emitcode("goto","_%05d_DS_",tlbl->key+100+labelOffset);
- //pic14_emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset);
- offset++;
- lit >>= 8;
+ /* 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,FALSE,FALSE));
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
emitpcode( ( (IC_TRUE(ifx)) ? POC_BTFSC : POC_BTFSS),
- popGet(AOP(right),offset,FALSE,FALSE));
+ popGet(AOP(right),offset));
emitpcode(POC_XORLW,popGetLit(1));
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- if ( IC_TRUE(ifx) )
- pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- else
- pic14_emitcode("btfss","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
-
- pic14_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)
- emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE));
- //pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
+ emitpcode(POC_IORFW,popGet(AOP(left),offset));
if ( IC_TRUE(ifx) ) {
emitSKPNZ;
tlbl = newiTempLabel(NULL);
while(size--) {
- emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_XORFW,popGet(AOP(right),offset,FALSE,FALSE));
-
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
+ emitpcode(POC_MOVFW,popGet(AOP(left),offset));
+ emitpcode(POC_XORFW,popGet(AOP(right),offset));
if ( IC_TRUE(ifx) ) {
if(size) {
offset++;
}
if(s>1 && IC_TRUE(ifx)) {
- emitpLabel(tlbl->key+100+labelOffset);
+ emitpLabel(tlbl->key);
pic14_emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset);
}
}
if (AOP_TYPE(left) == AOP_CRY &&
((AOP_TYPE(right) == AOP_CRY) || (AOP_TYPE(right) == AOP_LIT))) {
if(AOP_TYPE(right) == AOP_LIT){
- unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ unsigned long lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
if(lit == 0L){
pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
pic14_emitcode("cpl","c");
then put the result in place */
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)
- pic14_outAcc(result);
- /* leave the result in acc */
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ 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:
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;
}
/*-----------------------------------------------------------------*/
static void genAndOp (iCode *ic)
{
operand *left,*right, *result;
- symbol *tlbl;
+/* symbol *tlbl; */
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* note here that && operations that are in an
aopOp((right=IC_RIGHT(ic)),ic,FALSE);
aopOp((result=IC_RESULT(ic)),ic,FALSE);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
+ emitpcode(POC_MOVFW,popGet(AOP(left),0));
+ emitpcode(POC_ANDFW,popGet(AOP(right),0));
+ emitpcode(POC_MOVWF,popGet(AOP(result),0));
+
/* if both are bit variables */
- if (AOP_TYPE(left) == AOP_CRY &&
- AOP_TYPE(right) == AOP_CRY ) {
- 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);
- pic14_toBoolean(left);
- pic14_emitcode("jz","%05d_DS_",tlbl->key+100);
- pic14_toBoolean(right);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- pic14_outBitAcc(result);
- }
+/* if (AOP_TYPE(left) == AOP_CRY && */
+/* AOP_TYPE(right) == AOP_CRY ) { */
+/* 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); */
+/* 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));
freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
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 ) {
/*-----------------------------------------------------------------*/
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];
-
- 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);
+ operand *left, *right, *result;
+ int size, offset=0;
+ unsigned long lit = 0L;
+ int bytelit = 0;
+ resolvedIfx rIfx;
-#ifdef DEBUG_TYPE
- pic14_emitcode("","; Type res[%d] = l[%d]&r[%d]",
- AOP_TYPE(result),
- AOP_TYPE(left), AOP_TYPE(right));
- pic14_emitcode("","; Size res[%d] = l[%d]&r[%d]",
- AOP_SIZE(result),
- AOP_SIZE(left), AOP_SIZE(right));
-#endif
- /* 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;
- }
+ 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);
+
+ resolveIfx(&rIfx,ifx);
+
+ /* 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(pic14_sameRegs(AOP(result),AOP(right))){
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
+ /* if result = right then exchange them */
+ if(pic14_sameRegs(AOP(result),AOP(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 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);
- size = AOP_SIZE(result);
+ size = AOP_SIZE(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);
- }
- }
- // bit = c
- // val = c
- if(size)
- pic14_outBitC(result);
- // if(bit & ...)
- else if((AOP_TYPE(result) == AOP_CRY) && ifx)
- genIfxJump(ifx, "c");
- goto release ;
+ 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);
+ }
}
+ // 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){
- sprintf(buffer,"acc.%d",posbit&0x07);
- genIfxJump(ifx, buffer);
- }
- 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 ;
+ // 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 ;
+ }
- /* if left is same as result */
- if(pic14_sameRegs(AOP(result),AOP(left))){
- for(;size--; offset++,lit>>=8) {
+ /* 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){
+ 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));
+
+ }
+ }
+ }
+
+ } 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){
- switch(lit & 0xff) {
+ int t = (lit >> (offset*8)) & 0x0FFL;
+ switch(t) {
case 0x00:
- /* and'ing with 0 has clears the result */
- pic14_emitcode("clrf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
+ 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(right),offset,FALSE,FALSE));
+ 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:
- {
- 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);
- } else {
- pic14_emitcode("movlw","0x%x", (lit & 0xff));
- pic14_emitcode("andwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE),p);
- }
- }
- }
- } else {
- if (AOP_TYPE(left) == AOP_ACC)
- pic14_emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- pic14_emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE));
-
+ 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;
}
- }
- } 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));
- break;
- case 0xff:
- pic14_emitcode("movf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- default:
- pic14_emitcode("movlw","0x%x",t);
- pic14_emitcode("andwf","%s,w",
+ 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));
- pic14_emitcode("movwf","%s",
- aopGet(AOP(result),offset,FALSE,FALSE));
-
- }
- continue;
- }
-
- if (AOP_TYPE(left) == AOP_ACC)
- pic14_emitcode("andwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- pic14_emitcode("andwf","%s,w",
- aopGet(AOP(left),offset,FALSE,FALSE));
- }
- pic14_emitcode("movwf","%s",aopGet(AOP(result),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));
+ }
}
+ }
-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);
}
/*-----------------------------------------------------------------*/
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) ||
left = tmp;
}
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
if(AOP_TYPE(right) == AOP_LIT)
lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit);
// lit != 0 => result = 1
if(AOP_TYPE(result) == AOP_CRY){
if(size)
- emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE));
+ emitpcode(POC_BSF, popGet(AOP(result),0));
//pic14_emitcode("bsf","(%s >> 3), (%s & 7)",
// AOP(result)->aopu.aop_dir,
// AOP(result)->aopu.aop_dir);
if (AOP_TYPE(right) == AOP_CRY){
if(pic14_sameRegs(AOP(result),AOP(left))){
// c = bit | bit;
- emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE));
- emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE));
- emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE));
+ 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,
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));
- emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE));
- emitpcode(POC_BTFSS, popGet(AOP(right),0,FALSE,FALSE));
- emitpcode(POC_BTFSC, popGet(AOP(left),0,FALSE,FALSE));
- emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE));
+ } else {
- 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);
+ 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{
+ } else {
// c = bit | val;
symbol *tlbl = newiTempLabel(NULL);
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))
pic14_emitcode(";XXX setb","c");
pic14_emitcode(";XXX jb","%s,%05d_DS_",
/* 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){
if((lit & 0xff) == 0)
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, popGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("bsf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p);
+ emitpcode(POC_BSF,
+ newpCodeOpBit(aopGet(AOP(left),offset,FALSE,FALSE),p,0));
} else {
- emitpcode(POC_MOVLW, popGetLit(lit & 0xff));
- emitpcode(POC_IORWF, popGet(AOP(left),offset,FALSE,FALSE));
-
- pic14_emitcode("movlw","0x%x", (lit & 0xff));
- pic14_emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE),p);
+ 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,FALSE,FALSE));
+ 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,FALSE,FALSE));
- emitpcode(POC_IORWF, popGet(AOP(left),offset,FALSE,FALSE));
+ 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));
int sizer = max(AOP_SIZE(left),AOP_SIZE(right));
pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__);
+
if(size)
pic14_emitcode(";XXX setb","c");
while(sizer--){
int t = (lit >> (offset*8)) & 0x0FFL;
switch(t) {
case 0x00:
- emitpcode(POC_MOVFW, popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE));
+ 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));
break;
default:
emitpcode(POC_MOVLW, popGetLit(t));
- emitpcode(POC_IORFW, popGet(AOP(left),offset,FALSE,FALSE));
- emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE));
+ 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",
// 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,FALSE,FALSE));
+ 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,FALSE,FALSE));
- emitpcode(POC_IORFW, popGet(AOP(left),offset,FALSE,FALSE));
+ 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,FALSE,FALSE));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
}
}
/*-----------------------------------------------------------------*/
static void genXor (iCode *ic, iCode *ifx)
{
- operand *left, *right, *result;
- int size, offset=0;
- unsigned long lit = 0L;
+ operand *left, *right, *result;
+ int size, offset=0;
+ unsigned long lit = 0L;
- 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_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 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 result = right then exchange them */
- if(pic14_sameRegs(AOP(result),AOP(right))){
- operand *tmp = right ;
- right = left;
- left = tmp;
- }
+ /* if result = right then exchange them */
+ if(pic14_sameRegs(AOP(result),AOP(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 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);
- size = AOP_SIZE(result);
+ size = AOP_SIZE(result);
- // 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(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)
+ {emitpcode(POC_BSF, popGet(AOP(result),offset));
+ 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))){
+ emitpcode(POC_MOVLW, popGet(AOP(result),offset));
+ emitpcode(POC_XORWF, popGet(AOP(result),offset));
+ 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");
+ }
+ }
+ }
- } else {
- // 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 ;
+ } else {
+ // 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 ;
+ }
- if(pic14_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));
- pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE));
- aopPut(AOP(result),"a",offset);
- } else
- 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 {
- MOVA(aopGet(AOP(right),offset,FALSE,FALSE));
- 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:
- pic14_emitcode("movf","%s,w",
+ 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",
+ pic14_emitcode("movwf","%s",
aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- case 0xff:
- pic14_emitcode("comf","%s,w",
+ 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",
+ pic14_emitcode("movwf","%s",
aopGet(AOP(result),offset,FALSE,FALSE));
- break;
- default:
- pic14_emitcode("movlw","0x%x",t);
- pic14_emitcode("xorwf","%s,w",
+ 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",
+ pic14_emitcode("movwf","%s",
aopGet(AOP(result),offset,FALSE,FALSE));
- }
- continue;
- }
+ }
+ continue;
+ }
- // faster than result <- left, anl result,right
- // and better if result is SFR
- if (AOP_TYPE(left) == AOP_ACC)
- pic14_emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
- else {
- 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)
- pic14_emitcode("movwf","%s",aopGet(AOP(result),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));
+ }
}
+ }
-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);
}
/*-----------------------------------------------------------------*/
while (*bp) {
if (*bp == '\n') {
*bp++ = '\0';
- pic14_emitcode(bp1,"");
+
+ if(*bp1)
+ addpCode2pBlock(pb,AssembleLine(bp1));
bp1 = bp;
} else {
if (*bp == ':') {
bp++;
}
}
- if (bp1 != bp)
- pic14_emitcode(bp1,"");
- /* pic14_emitcode("",buffer); */
+ if ((bp1 != bp) && *bp1)
+ addpCode2pBlock(pb,AssembleLine(bp1));
+
+ Safe_free(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);
+
+ 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 ;
- /* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ while(size--) {
- /* move it to the result */
- size = AOP_SIZE(result);
- offset = size - 1 ;
- CLRC;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- pic14_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);
+ if(same) {
+ emitpcode(POC_RRF, popGet(AOP(left),offset));
+ } else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
}
- pic14_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);
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genRLC (iCode *ic)
{
- operand *left , *result ;
- int size, offset = 0;
- char *l;
+ operand *left , *result ;
+ int size, offset = 0;
+ int same;
- 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);
+ 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);
- pic14_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);
- pic14_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));
}
- pic14_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);
}
/*-----------------------------------------------------------------*/
}
}
+#if 0
/*-----------------------------------------------------------------*/
/* AccSRsh - signed right shift accumulator by known count */
/*-----------------------------------------------------------------*/
}
}
}
+#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))) && (offl == offr);
+
+ 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;
+ case 2:
+
+ 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));
+ }
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ 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_BTFSC, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),3,0));
+ emitpcode(POC_IORLW, popGetLit(0xe0));
+
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+
+ case 4:
+ emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_IORLW, popGetLit(0xf0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+ case 5:
+ 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_RRFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW, popGetLit(0x07));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),3,0));
+ emitpcode(POC_IORLW, popGetLit(0xf8));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+
+ case 6:
+ if(same) {
+ emitpcode(POC_MOVLW, popGetLit(0x00));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_MOVLW, popGetLit(0xfe));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),6,0));
+ emitpcode(POC_IORLW, popGetLit(0x01));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),offr));
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),6,0));
+ emitpcode(POC_BCF, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),0,0));
+ }
+ break;
+
+ case 7:
+ if(same) {
+ emitpcode(POC_MOVLW, popGetLit(0x00));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0));
+ emitpcode(POC_MOVLW, popGetLit(0xff));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),offr));
+ }
+
+ default:
+ break;
+ }
+}
/*-----------------------------------------------------------------*/
/* shiftR1Left2Result - shift right one byte from left to result */
operand *result, int offr,
int shCount, int sign)
{
- DEBUGpic14_emitcode ("; ***","%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;
+ }
}
/*-----------------------------------------------------------------*/
static void shiftL1Left2Result (operand *left, int offl,
operand *result, int offr, int shCount)
{
- char *l;
- DEBUGpic14_emitcode ("; ***","%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);
+ }
+
}
/*-----------------------------------------------------------------*/
/* movLeft2Result - move byte from left to result */
/*-----------------------------------------------------------------*/
static void movLeft2Result (operand *left, int offl,
- operand *result, int offr, int sign)
+ operand *result, int offr)
{
- char *l;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(!pic14_sameRegs(AOP(left),AOP(result)) || (offl != offr)){
- l = aopGet(AOP(left),offl,FALSE,FALSE);
+ char *l;
+ 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))) {
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offr);
- } else {
- if(!sign)
- aopPut(AOP(result),l,offr);
- else{
- /* MSB sign in acc.7 ! */
- if(pic14_getDataSize(left) == offl+1){
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offr);
- }
- }
- }
+ if (*l == '@' && (IS_AOP_PREG(result))) {
+ pic14_emitcode("mov","a,%s",l);
+ aopPut(AOP(result),"a",offr);
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),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)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- pic14_emitcode("rrc","a");
- pic14_emitcode("xch","a,%s", x);
- pic14_emitcode("rrc","a");
- pic14_emitcode("xch","a,%s", x);
-}
-/*-----------------------------------------------------------------*/
-/* AccAXLrl1 - left rotate c<-a:x<-c by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXLrl1 (char *x)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("rlc","a");
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("rlc","a");
-}
-/*-----------------------------------------------------------------*/
-/* AccAXLsh1 - left shift a:x<-0 by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXLsh1 (char *x)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("add","a,acc");
- pic14_emitcode("xch","a,%s",x);
- pic14_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)
-{
- DEBUGpic14_emitcode ("; ***","%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
- pic14_emitcode("anl","a,#0x%02x",
- SLMask[shCount]); // BBB00000:CCCCCDDD
- pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBB00000
- AccRol(shCount); // DDDCCCCC:BBB00000
- pic14_emitcode("xch","a,%s",x); // BBB00000:DDDCCCCC
- pic14_emitcode("xrl","a,%s",x); // (BBB^DDD)CCCCC:DDDCCCCC
- pic14_emitcode("xch","a,%s",x); // DDDCCCCC:(BBB^DDD)CCCCC
- pic14_emitcode("anl","a,#0x%02x",
- SLMask[shCount]); // DDD00000:(BBB^DDD)CCCCC
- pic14_emitcode("xch","a,%s",x); // (BBB^DDD)CCCCC:DDD00000
- pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:DDD00000
- break;
- case 6 : // AAAAAABB:CCCCCCDD
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000BB:CCCCCCDD
- pic14_emitcode("mov","c,acc.0"); // c = B
- pic14_emitcode("xch","a,%s",x); // CCCCCCDD:000000BB
- AccAXRrl1(x); // BCCCCCCD:D000000B
- AccAXRrl1(x); // BBCCCCCC:DD000000
- break;
- case 7 : // a:x <<= 7
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000B:CCCCCCCD
- pic14_emitcode("mov","c,acc.0"); // c = B
- pic14_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)
-{
- DEBUGpic14_emitcode ("; ***","%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
- pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA
- AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000CCCCC:BBBAAAAA
- pic14_emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA
- pic14_emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA
- pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA
- pic14_emitcode("xch","a,%s",x); // 000AAAAA:BBBCCCCC
- break;
- case 6 : // AABBBBBB:CCDDDDDD
- pic14_emitcode("mov","c,acc.7");
- AccAXLrl1(x); // ABBBBBBC:CDDDDDDA
- AccAXLrl1(x); // BBBBBBCC:DDDDDDAA
- pic14_emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000AA:BBBBBBCC
- break;
- case 7 : // ABBBBBBB:CDDDDDDD
- pic14_emitcode("mov","c,acc.7"); // c = A
- AccAXLrl1(x); // BBBBBBBC:DDDDDDDA
- pic14_emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC
- pic14_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 ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- pic14_emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- break;
- case 2 :
- pic14_emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- pic14_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
- pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA
- AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000CCCCC:BBBAAAAA
- pic14_emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA
- pic14_emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA
- pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA
- pic14_emitcode("xch","a,%s",x); // 000SAAAA:BBBCCCCC
- pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- pic14_emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 111AAAAA:BBBCCCCC
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- break; // SSSSAAAA:BBBCCCCC
- case 6 : // AABBBBBB:CCDDDDDD
- tlbl = newiTempLabel(NULL);
- pic14_emitcode("mov","c,acc.7");
- AccAXLrl1(x); // ABBBBBBC:CDDDDDDA
- AccAXLrl1(x); // BBBBBBCC:DDDDDDAA
- pic14_emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000AA:BBBBBBCC
- pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- pic14_emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 111111AA:BBBBBBCC
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- break;
- case 7 : // ABBBBBBB:CDDDDDDD
- tlbl = newiTempLabel(NULL);
- pic14_emitcode("mov","c,acc.7"); // c = A
- AccAXLrl1(x); // BBBBBBBC:DDDDDDDA
- pic14_emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000A:BBBBBBBC
- pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- pic14_emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 1111111A:BBBBBBBC
- pic14_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;
+
+ 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));
}
-}
+ }
+}
/*-----------------------------------------------------------------*/
-/* shiftL2Left2Result - shift left two bytes from left to result */
+/* shiftR2Left2Result - shift right two bytes from left to result */
/*-----------------------------------------------------------------*/
-static void shiftL2Left2Result (operand *left, int offl,
- operand *result, int offr, int shCount)
+static void shiftR2Left2Result (operand *left, int offl,
+ operand *result, int offr,
+ int shCount, int sign)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(pic14_sameRegs(AOP(result), AOP(left)) &&
- ((offl + MSB16) == offr)){
- /* don't crash result[offr] */
- MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
- pic14_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);
+ 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:
+ if(sign)
+ emitpcode(POC_RLFW,popGet(AOP(result),offr+MSB16));
+ else
+ 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));
+ }
+
+ while(--shCount) {
+ if(sign)
+ emitpcode(POC_RLFW,popGet(AOP(result),offr+MSB16));
+ else
+ 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_SWAPFW,popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+
+ emitpcode(POC_SWAPFW,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));
+ }
+
+ if(sign) {
+ emitpcode(POC_MOVLW, popGetLit(0xf0 + (shCount-4)*8 ));
+ emitpcode(POC_BTFSC,
+ newpCodeOpBit(aopGet(AOP(result),offr+MSB16,FALSE,FALSE),7-shCount,0));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr+MSB16));
}
- /* ax << shCount (x = lsb(result))*/
- AccAXLsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
- aopPut(AOP(result),"a",offr+MSB16);
-}
+ break;
-/*-----------------------------------------------------------------*/
-/* shiftR2Left2Result - shift right two bytes from left to result */
-/*-----------------------------------------------------------------*/
-static void shiftR2Left2Result (operand *left, int offl,
- operand *result, int offr,
- int shCount, int sign)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(pic14_sameRegs(AOP(result), AOP(left)) &&
- ((offl + MSB16) == offr)){
- /* don't crash result[offr] */
- MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
- pic14_emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+ 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));
+ if(sign) {
+ emitpcode(POC_BTFSC,
+ newpCodeOpBit(aopGet(AOP(result),offr+MSB16,FALSE,FALSE),1,0));
+ emitpcode(POC_IORLW,popGetLit(0xfc));
+ }
+ 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 {
- movLeft2Result(left,offl, result, offr, 0);
- MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLFW, popGet(AOP(left),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+MSB16));
+ emitpcode(POC_ANDLW,popGetLit(0x03));
+ if(sign) {
+ emitpcode(POC_BTFSC,
+ newpCodeOpBit(aopGet(AOP(result),offr+MSB16,FALSE,FALSE),0,0));
+ emitpcode(POC_IORLW,popGetLit(0xfc));
+ }
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ //emitpcode(POC_RLF, 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(pic14_getDataSize(result) > 1)
- aopPut(AOP(result),"a",offr+MSB16);
+
+ 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));
+ if(sign) {
+ emitSKPNC;
+ emitpcode(POC_DECF, popGet(AOP(result),offr+MSB16));
+ } else
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ }
}
+
/*-----------------------------------------------------------------*/
/* shiftLLeftOrResult - shift left one byte from left, or to result*/
/*-----------------------------------------------------------------*/
if (shCount)
shiftL1Left2Result(left, LSB, result, MSB16, shCount);
else
- movLeft2Result(left, LSB, result, MSB16, 0);
+ movLeft2Result(left, LSB, result, MSB16);
}
- aopPut(AOP(result),zero,LSB);
+ emitpcode(POC_CLRF,popGet(AOP(result),LSB));
}
/* 1 <= shCount <= 7 */
order of the destination */
shiftL1Left2Result(left, LSB, result, MSB32, shCount);
else
- movLeft2Result(left, LSB, result, MSB32, 0);
+ movLeft2Result(left, LSB, result, MSB32);
aopPut(AOP(result),zero,LSB);
aopPut(AOP(result),zero,MSB16);
aopPut(AOP(result),zero,MSB32);
if (shCount)
shiftL2Left2Result(left, LSB, result, MSB24, shCount);
else {
- movLeft2Result(left, MSB16, result, MSB32, 0);
- movLeft2Result(left, LSB, result, MSB24, 0);
+ movLeft2Result(left, MSB16, result, MSB32);
+ movLeft2Result(left, LSB, result, MSB24);
}
aopPut(AOP(result),zero,MSB16);
aopPut(AOP(result),zero,LSB);
if(shCount)
shiftL1Left2Result(left, LSB, result, MSB16, shCount);
else
- movLeft2Result(left, LSB, result, MSB16, 0);
+ movLeft2Result(left, LSB, result, MSB16);
}
else{ /* size = 4 */
if(shCount == 0){
- movLeft2Result(left, MSB24, result, MSB32, 0);
- movLeft2Result(left, MSB16, result, MSB24, 0);
- movLeft2Result(left, LSB, result, MSB16, 0);
+ movLeft2Result(left, MSB24, result, MSB32);
+ movLeft2Result(left, MSB16, result, MSB24);
+ movLeft2Result(left, LSB, result, MSB16);
aopPut(AOP(result),zero,LSB);
}
else if(shCount == 1)
/* I suppose that the left size >= result size */
if(shCount == 0){
while(size--){
- movLeft2Result(left, size, result, size, 0);
+ movLeft2Result(left, size, result, size);
}
}
freeAsmop(result,NULL,ic,TRUE);
}
+/*-----------------------------------------------------------------*
+ * genMultiAsm - repeat assembly instruction for size of register.
+ * if endian == 1, then the high byte (i.e base address + size of
+ * register) is used first else the low byte is used first;
+ *-----------------------------------------------------------------*/
+static void genMultiAsm( PIC_OPCODE poc, operand *reg, int size, int endian)
+{
+
+ int offset = 0;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(!reg)
+ return;
+
+ if(!endian) {
+ endian = 1;
+ } else {
+ endian = -1;
+ offset = size-1;
+ }
+
+ while(size--) {
+ emitpcode(poc, popGet(AOP(reg),offset));
+ offset += endian;
+ }
+
+}
/*-----------------------------------------------------------------*/
/* genLeftShift - generates code for left shifting */
/*-----------------------------------------------------------------*/
static void genLeftShift (iCode *ic)
{
- operand *left,*right, *result;
- int size, offset;
- char *l;
- symbol *tlbl , *tlbl1;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ operand *left,*right, *result;
+ int size, offset;
+ char *l;
+ symbol *tlbl , *tlbl1;
+ pCodeOp *pctemp;
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(right,ic,FALSE);
+ right = IC_RIGHT(ic);
+ left = IC_LEFT(ic);
+ result = IC_RESULT(ic);
- /* 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 ;
- }
+ aopOp(right,ic,FALSE);
- /* 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 ) */
+ /* 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 ;
+ }
- 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);
+ /* 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 ) */
- /* now move the left to the result if they are not the
- same */
- if (!pic14_sameRegs(AOP(left),AOP(result)) &&
- AOP_SIZE(result) > 1) {
+
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
- offset=0;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,TRUE);
- if (*l == '@' && (IS_AOP_PREG(result))) {
+ /* now move the left to the result if they are not the
+ same */
+ if (!pic14_sameRegs(AOP(left),AOP(result)) &&
+ AOP_SIZE(result) > 1) {
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offset);
- } else
- aopPut(AOP(result),l,offset);
- offset++;
- }
+ size = AOP_SIZE(result);
+ offset=0;
+ while (size--) {
+ l = aopGet(AOP(left),offset,FALSE,TRUE);
+ if (*l == '@' && (IS_AOP_PREG(result))) {
+
+ pic14_emitcode("mov","a,%s",l);
+ aopPut(AOP(result),"a",offset);
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ //aopPut(AOP(result),l,offset);
+ }
+ 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 it is only one byte then */
+ if (size == 1) {
+ 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);
- pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- pic14_emitcode("add","a,acc");
- pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
- pic14_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));
+ if (pic14_sameRegs(AOP(left),AOP(result))) {
+
+ tlbl = newiTempLabel(NULL);
+ emitpcode(POC_COMFW, popGet(AOP(right),0));
+ genMultiAsm(POC_RRF, result, size,1);
+ emitpLabel(tlbl->key);
+ genMultiAsm(POC_RLF, result, size,0);
+ emitpcode(POC_ADDLW, popGetLit(1));
+ emitSKPC;
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ goto release;
+ }
+
+ //tlbl = newiTempLabel(NULL);
+ //offset = 0 ;
+ //tlbl1 = newiTempLabel(NULL);
+
+ //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);
- pic14_emitcode("add","a,acc");
- aopPut(AOP(result),"a",offset++);
- while (--size) {
- l = aopGet(AOP(result),offset,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("rlc","a");
- aopPut(AOP(result),"a",offset++);
- }
- 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);
+ //pic14_emitcode("add","a,acc");
+ //aopPut(AOP(result),"a",offset++);
+ //while (--size) {
+ // l = aopGet(AOP(result),offset,FALSE,FALSE);
+ // MOVA(l);
+ // pic14_emitcode("rlc","a");
+ // aopPut(AOP(result),"a",offset++);
+ //}
+ //reAdjustPreg(AOP(result));
+
+ //pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ //pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+
+
+ tlbl = newiTempLabel(NULL);
+ tlbl1= newiTempLabel(NULL);
- pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
- pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
-release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ size = AOP_SIZE(result);
+ offset = 1;
+
+ pctemp = popGetTempReg(); /* grab a temporary working register. */
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+
+ /* offset should be 0, 1 or 3 */
+ emitpcode(POC_ANDLW, popGetLit(0x07 + ((offset&3) << 3)));
+ emitSKPNZ;
+ emitpcode(POC_GOTO, popGetLabel(tlbl1->key));
+
+ emitpcode(POC_MOVWF, pctemp);
+
+
+ emitpLabel(tlbl->key);
+
+ emitCLRC;
+ emitpcode(POC_RLF, popGet(AOP(result),0));
+ while(--size)
+ emitpcode(POC_RLF, popGet(AOP(result),offset++));
+
+ emitpcode(POC_DECFSZ, pctemp);
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ emitpLabel(tlbl1->key);
+
+ popReleaseTempReg(pctemp);
+
+
+ release:
+ freeAsmop (right,NULL,ic,TRUE);
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
static void genrshTwo (operand *result,operand *left,
int shCount, int sign)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if shCount >= 8 */
- if (shCount >= 8) {
- shCount -= 8 ;
- if (shCount)
- shiftR1Left2Result(left, MSB16, result, LSB,
- shCount, sign);
- else
- movLeft2Result(left, MSB16, result, LSB, sign);
- addSign(result, MSB16, sign);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* if shCount >= 8 */
+ if (shCount >= 8) {
+ shCount -= 8 ;
+ if (shCount)
+ shiftR1Left2Result(left, MSB16, result, LSB,
+ shCount, sign);
+ else
+ movLeft2Result(left, MSB16, result, LSB);
+
+ emitpcode(POC_CLRF,popGet(AOP(result),MSB16));
+
+ if(sign) {
+ emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),MSB16));
}
+ }
- /* 1 <= shCount <= 7 */
- else
- shiftR2Left2Result(left, LSB, result, LSB, shCount, sign);
+ /* 1 <= shCount <= 7 */
+ else
+ shiftR2Left2Result(left, LSB, result, LSB, shCount, sign);
}
/*-----------------------------------------------------------------*/
static void genrshFour (operand *result, operand *left,
int shCount, int sign)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if shifting more that 3 bytes */
- if(shCount >= 24 ) {
- shCount -= 24;
- if(shCount)
- shiftR1Left2Result(left, MSB32, result, LSB, shCount, sign);
- else
- movLeft2Result(left, MSB32, result, LSB, sign);
- addSign(result, MSB16, sign);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* if shifting more that 3 bytes */
+ if(shCount >= 24 ) {
+ shCount -= 24;
+ if(shCount)
+ shiftR1Left2Result(left, MSB32, result, LSB, shCount, sign);
+ else
+ movLeft2Result(left, MSB32, result, LSB);
+
+ addSign(result, MSB16, sign);
+ }
+ else if(shCount >= 16){
+ shCount -= 16;
+ if(shCount)
+ shiftR2Left2Result(left, MSB24, result, LSB, shCount, sign);
+ else{
+ movLeft2Result(left, MSB24, result, LSB);
+ movLeft2Result(left, MSB32, result, MSB16);
}
- else if(shCount >= 16){
- shCount -= 16;
- if(shCount)
- shiftR2Left2Result(left, MSB24, result, LSB, shCount, sign);
- else{
- movLeft2Result(left, MSB24, result, LSB, 0);
- movLeft2Result(left, MSB32, result, MSB16, sign);
- }
- addSign(result, MSB24, sign);
+ addSign(result, MSB24, sign);
+ }
+ else if(shCount >= 8){
+ shCount -= 8;
+ if(shCount == 1)
+ shiftRLong(left, MSB16, result, sign);
+ else if(shCount == 0){
+ movLeft2Result(left, MSB16, result, LSB);
+ movLeft2Result(left, MSB24, result, MSB16);
+ movLeft2Result(left, MSB32, result, MSB24);
+ addSign(result, MSB32, sign);
}
- else if(shCount >= 8){
- shCount -= 8;
- if(shCount == 1)
- shiftRLong(left, MSB16, result, sign);
- else if(shCount == 0){
- movLeft2Result(left, MSB16, result, LSB, 0);
- movLeft2Result(left, MSB24, result, MSB16, 0);
- movLeft2Result(left, MSB32, result, MSB24, sign);
- addSign(result, MSB32, sign);
- }
- else{
- shiftR2Left2Result(left, MSB16, result, LSB, shCount, 0);
- shiftLLeftOrResult(left, MSB32, result, MSB16, 8 - shCount);
- /* the last shift is signed */
- shiftR1Left2Result(left, MSB32, result, MSB24, shCount, sign);
- addSign(result, MSB32, sign);
- }
+ else{
+ shiftR2Left2Result(left, MSB16, result, LSB, shCount, 0);
+ shiftLLeftOrResult(left, MSB32, result, MSB16, 8 - shCount);
+ /* the last shift is signed */
+ shiftR1Left2Result(left, MSB32, result, MSB24, shCount, sign);
+ addSign(result, MSB32, sign);
}
- else{ /* 1 <= shCount <= 7 */
- if(shCount <= 2){
- shiftRLong(left, LSB, result, sign);
- if(shCount == 2)
- shiftRLong(result, LSB, result, sign);
- }
- else{
- shiftR2Left2Result(left, LSB, result, LSB, shCount, 0);
- shiftLLeftOrResult(left, MSB24, result, MSB16, 8 - shCount);
- shiftR2Left2Result(left, MSB24, result, MSB24, shCount, sign);
- }
+ }
+ else{ /* 1 <= shCount <= 7 */
+ if(shCount <= 2){
+ shiftRLong(left, LSB, result, sign);
+ if(shCount == 2)
+ shiftRLong(result, LSB, result, sign);
+ }
+ else{
+ shiftR2Left2Result(left, LSB, result, LSB, shCount, 0);
+ shiftLLeftOrResult(left, MSB24, result, MSB16, 8 - shCount);
+ shiftR2Left2Result(left, MSB24, result, MSB24, shCount, sign);
}
+ }
}
/*-----------------------------------------------------------------*/
iCode *ic,
int sign)
{
- int shCount = (int) floatFromVal (AOP(right)->aopu.aop_lit);
- int size;
+ int shCount = (int) floatFromVal (AOP(right)->aopu.aop_lit);
+ int lsize,res_size;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- freeAsmop(right,NULL,ic,TRUE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ freeAsmop(right,NULL,ic,TRUE);
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
#if VIEW_SIZE
- pic14_emitcode("; shift right ","result %d, left %d",AOP_SIZE(result),
- AOP_SIZE(left));
+ pic14_emitcode("; shift right ","result %d, left %d",AOP_SIZE(result),
+ AOP_SIZE(left));
#endif
- size = pic14_getDataSize(left);
- /* test the LEFT size !!! */
+ lsize = pic14_getDataSize(left);
+ res_size = pic14_getDataSize(result);
+ /* test the LEFT size !!! */
- /* I suppose that the left size >= result size */
- if(shCount == 0){
- size = pic14_getDataSize(result);
- while(size--)
- movLeft2Result(left, size, result, size, 0);
- }
+ /* I suppose that the left size >= result size */
+ if(shCount == 0){
+ while(res_size--)
+ movLeft2Result(left, lsize, result, res_size);
+ }
- else if(shCount >= (size * 8)){
- if(sign)
- /* get sign in acc.7 */
- MOVA(aopGet(AOP(left),size-1,FALSE,FALSE));
- addSign(result, LSB, sign);
- } else{
- switch (size) {
- case 1:
- genrshOne (result,left,shCount,sign);
- break;
+ else if(shCount >= (lsize * 8)){
- case 2:
- genrshTwo (result,left,shCount,sign);
- break;
+ if(res_size == 1) {
+ emitpcode(POC_CLRF, popGet(AOP(result),LSB));
+ if(sign) {
+ emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),lsize-1,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),LSB));
+ }
+ } else {
- case 4:
- genrshFour (result,left,shCount,sign);
- break;
- default :
- break;
- }
+ if(sign) {
+ emitpcode(POC_MOVLW, popGetLit(0));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),lsize-1,FALSE,FALSE),7,0));
+ emitpcode(POC_MOVLW, popGetLit(0xff));
+ while(res_size--)
+ emitpcode(POC_MOVWF, popGet(AOP(result),res_size));
+
+ } else {
+
+ while(res_size--)
+ emitpcode(POC_CLRF, popGet(AOP(result),res_size));
+ }
+ }
+ } else {
+
+ switch (res_size) {
+ case 1:
+ genrshOne (result,left,shCount,sign);
+ break;
+
+ case 2:
+ genrshTwo (result,left,shCount,sign);
+ break;
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ case 4:
+ genrshFour (result,left,shCount,sign);
+ break;
+ default :
+ break;
}
+
+ }
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genSignedRightShift (iCode *ic)
{
- operand *right, *left, *result;
- int size, offset;
- char *l;
- symbol *tlbl, *tlbl1 ;
+ operand *right, *left, *result;
+ int size, offset;
+ // char *l;
+ symbol *tlbl, *tlbl1 ;
+ pCodeOp *pctemp;
- /* we do it the hard way put the shift count in b
- and loop thru preserving the sign */
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ //same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr);
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ /* we do it the hard way put the shift count in b
+ and loop thru preserving the sign */
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(right,ic,FALSE);
+ right = IC_RIGHT(ic);
+ left = IC_LEFT(ic);
+ result = IC_RESULT(ic);
+ aopOp(right,ic,FALSE);
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
- if ( AOP_TYPE(right) == AOP_LIT) {
- genRightShiftLiteral (left,right,result,ic,1);
- return ;
- }
- /* 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 ) */
- 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);
+ if ( AOP_TYPE(right) == AOP_LIT) {
+ genRightShiftLiteral (left,right,result,ic,1);
+ return ;
+ }
+ /* 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 ) */
+
+ //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 (!pic14_sameRegs(AOP(left),AOP(result)) &&
+ AOP_SIZE(result) > 1) {
- /* now move the left to the result if they are not the
- same */
- if (!pic14_sameRegs(AOP(left),AOP(result)) &&
- AOP_SIZE(result) > 1) {
+ size = AOP_SIZE(result);
+ offset=0;
+ while (size--) {
+ /*
+ l = aopGet(AOP(left),offset,FALSE,TRUE);
+ if (*l == '@' && IS_AOP_PREG(result)) {
- size = AOP_SIZE(result);
- offset=0;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,TRUE);
- if (*l == '@' && IS_AOP_PREG(result)) {
+ pic14_emitcode("mov","a,%s",l);
+ aopPut(AOP(result),"a",offset);
+ } else
+ aopPut(AOP(result),l,offset);
+ */
+ emitpcode(POC_MOVFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offset);
- } else
- aopPut(AOP(result),l,offset);
- offset++;
- }
+ offset++;
}
+ }
+
+ /* mov the highest order bit to OVR */
+ tlbl = newiTempLabel(NULL);
+ tlbl1= newiTempLabel(NULL);
+
+ size = AOP_SIZE(result);
+ offset = size - 1;
+
+ pctemp = popGetTempReg(); /* grab a temporary working register. */
- /* mov the highest order bit to OVR */
- tlbl = newiTempLabel(NULL);
- tlbl1= newiTempLabel(NULL);
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
- size = AOP_SIZE(result);
- offset = size - 1;
- 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);
- 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 ;
- }
+ /* offset should be 0, 1 or 3 */
+ emitpcode(POC_ANDLW, popGetLit(0x07 + ((offset&3) << 3)));
+ emitSKPNZ;
+ emitpcode(POC_GOTO, popGetLabel(tlbl1->key));
- reAdjustPreg(AOP(result));
+ emitpcode(POC_MOVWF, pctemp);
+
+
+ emitpLabel(tlbl->key);
+
+ emitpcode(POC_RLFW, popGet(AOP(result),offset));
+ emitpcode(POC_RRF, popGet(AOP(result),offset));
+
+ while(--size) {
+ emitpcode(POC_RRF, popGet(AOP(result),--offset));
+ }
+
+ emitpcode(POC_DECFSZ, pctemp);
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ emitpLabel(tlbl1->key);
+
+ popReleaseTempReg(pctemp);
+#if 0
+ size = AOP_SIZE(result);
+ offset = size - 1;
+ 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);
pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->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);
- pic14_emitcode("rrc","a");
- aopPut(AOP(result),"a",offset--);
- }
- reAdjustPreg(AOP(result));
+ 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 ;
+ }
-release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ reAdjustPreg(AOP(result));
+ 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);
+ pic14_emitcode("rrc","a");
+ aopPut(AOP(result),"a",offset--);
+ }
+ reAdjustPreg(AOP(result));
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+
+ release:
+#endif
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(right,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
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);
/* if it is only one byte then */
if (size == 1) {
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- CLRC;
- 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 ;
+
+ 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));
release:
freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop (right,NULL,ic,TRUE);
freeAsmop(result,NULL,ic,TRUE);
}
return ;
}
-
+#if 0
/*-----------------------------------------------------------------*/
/* genDataPointerGet - generates code when ptr offset is known */
/*-----------------------------------------------------------------*/
aopOp(result,ic,TRUE);
- emitpcode(POC_MOVFW, popGet(AOP(left),0,FALSE,TRUE));
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ emitpcode(POC_MOVFW, popGet(AOP(left),0));
size = AOP_SIZE(result);
while (size--) {
- emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,TRUE));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
offset++;
}
freeAsmop(left,NULL,ic,TRUE);
freeAsmop(result,NULL,ic,TRUE);
}
-
+#endif
/*-----------------------------------------------------------------*/
/* genNearPointerGet - pic14_emitcode for near pointer fetch */
/*-----------------------------------------------------------------*/
iCode *ic)
{
asmop *aop = NULL;
- regs *preg = NULL ;
+ //regs *preg = NULL ;
char *rname ;
sym_link *rtype, *retype;
sym_link *ltype = operandType(left);
- char buffer[80];
+ //char buffer[80];
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
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 &&
+ if (AOP_TYPE(left) == AOP_PCODE && //AOP_TYPE(left) == AOP_IMMD &&
!IS_BITVAR(retype) &&
DCL_TYPE(ltype) == POINTER) {
- genDataPointerGet (left,result,ic);
+ //genDataPointerGet (left,result,ic);
return ;
}
if (!AOP_INPREG(AOP(left))) {
/* 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 ;
+*/
+ rname ="BAD";
} else
rname = aopGet(AOP(left),0,FALSE,FALSE);
- freeAsmop(left,NULL,ic,TRUE);
aopOp (result,ic,FALSE);
/* if bitfield then unpack the bits */
genUnpackBits (result,rname,POINTER);
else {
/* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
+ int size = AOP_SIZE(result);
+ int offset = 0 ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ emitpcode(POC_MOVFW,popGet(AOP(left),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
+ while(size--) {
+ emitpcode(POC_MOVFW,popCopyReg(&pc_indf));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offset++));
+ if(size)
+ emitpcode(POC_INCF,popCopyReg(&pc_fsr));
+ }
+/*
while (size--) {
if (IS_AOP_PREG(result) || AOP_TYPE(result) == AOP_STK ) {
if (size)
pic14_emitcode("inc","%s",rname);
}
+*/
}
/* now some housekeeping stuff */
}
/* done */
+ freeAsmop(left,NULL,ic,TRUE);
freeAsmop(result,NULL,ic,TRUE);
}
freeAsmop(result,NULL,ic,TRUE);
}
-
+#if 0
/*-----------------------------------------------------------------*/
-/* pic14_emitcodePointerGet - gget value from code space */
+/* genCodePointerGet - get value from code space */
/*-----------------------------------------------------------------*/
-static void pic14_emitcodePointerGet (operand *left,
+static void genCodePointerGet (operand *left,
operand *result, iCode *ic)
{
int size, offset ;
freeAsmop(result,NULL,ic,TRUE);
}
-
+#endif
/*-----------------------------------------------------------------*/
/* genGenPointerGet - gget value from generic pointer space */
/*-----------------------------------------------------------------*/
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));
- DEBUGpic14_emitcode ("; ***","%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) {
- pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
- pic14_emitcode("mov","b,#%d",pointerCode(retype));
- }
- else { /* we need to get it byte by byte */
- emitpcode(POC_MOVFW,popCopyReg(&pc_indf));
- //emitpcode(POC_MOVFW,popGet(AOP(left),0,FALSE,FALSE));
- //emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
- pic14_emitcode("movf","%s,w",aopGet(AOP(left),0,FALSE,FALSE));
- pic14_emitcode("movwf","FSR");
- /*
- 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)
- {
- pic14_emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE));
- pic14_emitcode("mov","b,%s",aopGet(AOP(left),3,FALSE,FALSE));
- }
- else
- {
- pic14_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--) {
- emitpcode(POC_MOVFW,popCopyReg(&pc_indf));
+ size = AOP_SIZE(result);
+ offset = 0 ;
- emitpcode(POC_MOVWF,popGet(AOP(result),offset++,FALSE,FALSE));
- if(size)
- emitpcode(POC_INCF,popCopyReg(&pc_fsr));
-/*
- pic14_emitcode("movf","indf,w");
- pic14_emitcode("movwf","%s",
- aopGet(AOP(result),offset++,FALSE,FALSE));
- if (size)
- pic14_emitcode("incf","fsr,f");
-*/
- }
+ 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);
}
+/*-----------------------------------------------------------------*/
+/* genConstPointerGet - get value from const generic pointer space */
+/*-----------------------------------------------------------------*/
+static void genConstPointerGet (operand *left,
+ operand *result, iCode *ic)
+{
+ //sym_link *retype = getSpec(operandType(result));
+ symbol *albl = newiTempLabel(NULL);
+ symbol *blbl = newiTempLabel(NULL);
+ PIC_OPCODE poc;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
+
+
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ DEBUGpic14_emitcode ("; "," %d getting const pointer",__LINE__);
+
+ emitpcode(POC_CALL,popGetLabel(albl->key));
+ emitpcode(POC_GOTO,popGetLabel(blbl->key));
+ emitpLabel(albl->key);
+
+ poc = ( (AOP_TYPE(left) == AOP_PCODE) ? POC_MOVLW : POC_MOVFW);
+
+ emitpcode(poc,popGet(AOP(left),1));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_pclath));
+ emitpcode(poc,popGet(AOP(left),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_pcl));
+
+ emitpLabel(blbl->key);
+
+ emitpcode(POC_MOVWF,popGet(AOP(result),0));
+
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
+
+}
/*-----------------------------------------------------------------*/
/* genPointerGet - generate code for pointer get */
/*-----------------------------------------------------------------*/
move it to the correct pointer register */
type = operandType(left);
etype = getSpec(type);
+
+ if (IS_PTR_CONST(type))
+ DEBUGpic14_emitcode ("; ***","%d - const pointer",__LINE__);
+
/* if left is of type of pointer then it is simple */
if (IS_PTR(type) && !IS_FUNC(type->next))
p_type = DCL_TYPE(type);
/* 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) */
+ DEBUGpic14_emitcode ("; ***","%d - resolve pointer by storage class",__LINE__);
+
+ if (SPEC_OCLS(etype)->codesp ) {
+ DEBUGpic14_emitcode ("; ***","%d - cpointer",__LINE__);
+ //p_type = CPOINTER ;
+ }
+ else
+ if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged)
+ DEBUGpic14_emitcode ("; ***","%d - fpointer",__LINE__);
+ /*p_type = FPOINTER ;*/
+ else
+ if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged)
+ DEBUGpic14_emitcode ("; ***","%d - ppointer",__LINE__);
/* p_type = PPOINTER; */
-/* else */
-/* if (SPEC_OCLS(etype) == idata ) */
+ else
+ if (SPEC_OCLS(etype) == idata )
+ DEBUGpic14_emitcode ("; ***","%d - ipointer",__LINE__);
/* p_type = IPOINTER; */
-/* else */
+ else
+ DEBUGpic14_emitcode ("; ***","%d - pointer",__LINE__);
/* p_type = POINTER ; */
}
break;
case CPOINTER:
- pic14_emitcodePointerGet (left,result,ic);
+ genConstPointerGet (left,result,ic);
+ //pic14_emitcodePointerGet (left,result,ic);
break;
case GPOINTER:
+ if (IS_PTR_CONST(type))
+ genConstPointerGet (left,result,ic);
+ else
genGenPointerGet (left,result,ic);
- break;
+ break;
}
}
l = aopGet(AOP(result),0,FALSE,TRUE);
size = AOP_SIZE(right);
+/*
+ if ( AOP_TYPE(result) == AOP_PCODE) {
+ fprintf(stderr,"genDataPointerSet %s, %d\n",
+ AOP(result)->aopu.pcop->name,
+ PCOI(AOP(result)->aopu.pcop)->offset);
+ }
+*/
+
// 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 (offset) {
+ sprintf(buffer,"(%s + %d)",l,offset);
+ fprintf(stderr,"oops %s\n",buffer);
+ } else
+ sprintf(buffer,"%s",l);
if (AOP_TYPE(right) == AOP_LIT) {
unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
pic14_emitcode("movwf","%s",buffer);
emitpcode(POC_MOVLW, popGetLit(lit&0xff));
- emitpcode(POC_MOVWF, popRegFromString(buffer));
+ //emitpcode(POC_MOVWF, popRegFromString(buffer));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
} else {
pic14_emitcode("clrf","%s",buffer);
- emitpcode(POC_CLRF, popRegFromString(buffer));
+ //emitpcode(POC_CLRF, popRegFromString(buffer));
+ emitpcode(POC_CLRF, popGet(AOP(result),0));
}
}else {
pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
pic14_emitcode("movwf","%s",buffer);
- emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE));
- emitpcode(POC_MOVWF, popRegFromString(buffer));
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ //emitpcode(POC_MOVWF, popRegFromString(buffer));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
}
operand *result,
iCode *ic)
{
- asmop *aop = NULL;
- char *l;
- sym_link *retype;
- sym_link *ptype = operandType(result);
+ asmop *aop = NULL;
+ char *l;
+ sym_link *retype;
+ sym_link *ptype = operandType(result);
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- retype= getSpec(operandType(right));
+ 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;
- }
+ aopOp(result,ic,FALSE);
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ /* if the result is rematerializable &
+ in data space & not a bit variable */
+ //if (AOP_TYPE(result) == AOP_IMMD &&
+ if (AOP_TYPE(result) == AOP_PCODE && //AOP_TYPE(result) == AOP_IMMD &&
+ DCL_TYPE(ptype) == POINTER &&
+ !IS_BITVAR(retype)) {
+ genDataPointerSet (right,result,ic);
+ freeAsmop(result,NULL,ic,TRUE);
+ return;
+ }
- /* 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);
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- //pic14_emitcode("mov","%s,%s",
- // preg->name,
- // aopGet(AOP(result),0,FALSE,TRUE));
- //rname = preg->name ;
- pic14_emitcode("movwf","fsr");
- }// else
- // rname = aopGet(AOP(result),0,FALSE,FALSE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aopOp(right,ic,FALSE);
+ DEBUGpic14_AopType(__LINE__,NULL,right,result);
- freeAsmop(result,NULL,ic,TRUE);
- aopOp (right,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);
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");
- //genPackBits (retype,right,rname,POINTER);
- exit(1);
- }
- else {
- /* we have can just get the values */
- int size = AOP_SIZE(right);
- int offset = 0 ;
+ //pic14_emitcode("mov","%s,%s",
+ // preg->name,
+ // aopGet(AOP(result),0,FALSE,TRUE));
+ //rname = preg->name ;
+ //pic14_emitcode("movwf","fsr");
+ emitpcode(POC_MOVFW, popGet(AOP(result),0));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_fsr));
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_indf));
+ goto release;
+
+ }// else
+ // rname = aopGet(AOP(result),0,FALSE,FALSE);
+
+
+ /* if bitfield then unpack the bits */
+ if (IS_BITVAR(retype)) {
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
+ "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 ;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (size--) {
- l = aopGet(AOP(right),offset,FALSE,TRUE);
- if (*l == '@' ) {
- //MOVA(l);
- //pic14_emitcode("mov","@%s,a",rname);
- pic14_emitcode("movf","indf,w ;1");
- } else {
+ while (size--) {
+ l = aopGet(AOP(right),offset,FALSE,TRUE);
+ if (*l == '@' ) {
+ //MOVA(l);
+ //pic14_emitcode("mov","@%s,a",rname);
+ pic14_emitcode("movf","indf,w ;1");
+ } else {
- 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)
- pic14_emitcode("incf","fsr,f ;3");
- //pic14_emitcode("inc","%s",rname);
- offset++;
- }
+ 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)
+ pic14_emitcode("incf","fsr,f ;3");
+ //pic14_emitcode("inc","%s",rname);
+ offset++;
}
+ }
+ 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 {
+ /* 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__);
- /* 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 */
- 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--)
- pic14_emitcode("decf","fsr,f");
- //pic14_emitcode("dec","%s",rname);
- }
+ 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("decf","fsr,f");
+ //pic14_emitcode("dec","%s",rname);
}
+ }
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* done */
- freeAsmop(right,NULL,ic,TRUE);
-
-
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* done */
+ release:
+ freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
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));
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ aopOp(result,ic,FALSE);
+ aopOp(right,ic,FALSE);
+ size = AOP_SIZE(right);
+
+ DEBUGpic14_AopType(__LINE__,NULL,right,result);
+
+ /* 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));
+ }
+ else { /* we need to get it byte by byte */
+ //char *l = aopGet(AOP(result),0,FALSE,FALSE);
+ 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) {
+
+
+ emitpcode(POC_MOVFW,popGet(AOP(result),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if(AOP_SIZE(result) > 1) {
+ emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT));
+ emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(result),1,FALSE,FALSE),0,0));
+ emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT));
- 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(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));
- }
- else { /* we need to get it byte by byte */
- char *l = aopGet(AOP(result),0,FALSE,FALSE);
+ //if(size==2)
+ //emitpcode(POC_DECF,popCopyReg(&pc_fsr));
+ //if(size==4) {
+ // emitpcode(POC_MOVLW,popGetLit(0xfd));
+ // emitpcode(POC_ADDWF,popCopyReg(&pc_fsr));
+ //}
- if(strcmp("FSR",l))
- emitpcode(POC_MOVLW ,popGet(AOP(result),0,FALSE,FALSE));
+ while(size--) {
+ emitpcode(POC_MOVFW,popGet(AOP(right),offset++));
emitpcode(POC_MOVWF,popCopyReg(&pc_indf));
+
+ if(size)
+ emitpcode(POC_INCF,popCopyReg(&pc_fsr));
+ }
- if(strcmp("FSR",l))
- pic14_emitcode("movlw","%s",aopGet(AOP(result),0,FALSE,FALSE));
- pic14_emitcode("movwf","INDF");
- }
+ 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 */
- freeAsmop(result,NULL,ic,TRUE);
- aopOp(right,ic,FALSE);
+ }
+ /* 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)
- 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");
- }
+ /* if bit then unpack */
+ if (IS_BITVAR(retype))
+ genPackBits(retype,right,"dptr",GPOINTER);
+ else {
+ size = AOP_SIZE(right);
+ offset = 0 ;
+
+ DEBUGpic14_emitcode ("; ***","%s %d size=%d",__FUNCTION__,__LINE__,size);
+
+ while (size--) {
+
+ emitpcode(POC_MOVFW,popGet(AOP(result),offset));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
+
+ if (AOP_TYPE(right) == AOP_LIT)
+ emitpcode(POC_MOVLW, popGet(AOP(right),offset));
+ else
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+
+ emitpcode(POC_MOVWF,popCopyReg(&pc_indf));
+
+ offset++;
}
+ }
- freeAsmop(right,NULL,ic,TRUE);
+ release:
+ freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
case GPOINTER:
genGenPointerSet (right,result,ic);
break;
- }
+ default:
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "genPointerSet: illegal pointer type");
+ }
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genIfx (iCode *ic, iCode *popIc)
{
- operand *cond = IC_COND(ic);
- int isbit =0;
-
- DEBUGpic14_emitcode ("; ***","%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)
- pic14_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);
- DEBUGpic14_emitcode ("; isbit SPIL_LOC","%s",SPIL_LOC(cond)->rname);
- }
- else {
- /*
- if (isbit && !IS_ITEMP(cond))
- DEBUGpic14_emitcode ("; isbit OP_SYM","%s",OP_SYMBOL(cond)->rname);
- else
- DEBUGpic14_emitcode ("; isbit","a");
- */
+ /* get the value into acc */
+ if (AOP_TYPE(cond) != AOP_CRY)
+ pic14_toBoolean(cond);
+ else
+ 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
+ genIfxJump(ic,"a");
+ }
+ ic->generated = 1;
- if (isbit && !IS_ITEMP(cond))
- genIfxJump(ic,OP_SYMBOL(cond)->rname);
- else
- genIfxJump(ic,"a");
- }
- ic->generated = 1;
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genAddrOf (iCode *ic)
{
- symbol *sym = OP_SYMBOL(IC_LEFT(ic));
- int size, offset ;
+ operand *right, *result, *left;
+ int size, offset ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(IC_RESULT(ic),ic,FALSE);
- /* 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) {
- pic14_emitcode("mov","a,_bp");
- pic14_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;
-
-
- if (options.stack10bit && size < (FPTRSIZE - 1))
- {
- fprintf(stderr,
- "*** warning: pointer to stack var truncated.\n");
- }
-
- 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++);
- }
- }
+ //aopOp(IC_RESULT(ic),ic,FALSE);
- goto release;
- }
+ aopOp((left=IC_LEFT(ic)),ic,FALSE);
+ aopOp((right=IC_RIGHT(ic)),ic,FALSE);
+ aopOp((result=IC_RESULT(ic)),ic,TRUE);
- /* object not on stack then we need the name */
- size = AOP_SIZE(IC_RESULT(ic));
- offset = 0;
+ DEBUGpic14_AopType(__LINE__,left,right,result);
- 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++);
- }
+ size = AOP_SIZE(IC_RESULT(ic));
+ offset = 0;
-release:
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ while (size--) {
+ emitpcode(POC_MOVLW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ offset++;
+ }
+
+ freeAsmop(left,NULL,ic,FALSE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
static void genAssign (iCode *ic)
{
- operand *result, *right;
- int size, offset ;
- unsigned long lit = 0L;
+ 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) ;
- DEBUGpic14_emitcode ("; ***","%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 (pic14_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 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) {
- emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF),
- popGet(AOP(result),0,FALSE,FALSE));
+ emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF),
+ popGet(AOP(result),0));
- if (((int) operandLitValue(right)))
- pic14_emitcode("bsf","(%s >> 3),(%s & 7)",
+ 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;
- }
+ else
+ 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) {
- emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE));
- emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE));
- emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE));
-
- 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 ;
- }
+ /* 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 ;
+ }
+
+ /* 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 ;
+ }
- /* we need to or */
- emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE));
- pic14_toBoolean(right);
- emitSKPZ;
- emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE));
- //aopPut(AOP(result),"a",0);
- 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);
- /* 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)){
+ 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__);
+ }
- while (size--) {
- if((unsigned int)((lit >> (size*8)) & 0x0FFL)== 0) {
- //pic14_emitcode("clrf","%s", aopGet(AOP(result),size,FALSE,FALSE));
- emitpcode(POC_CLRF,popGet(AOP(result),size,FALSE,FALSE));
- }else {
- emitpcode(POC_MOVLW,popGet(AOP(right),size,FALSE,FALSE));
- emitpcode(POC_MOVWF,popGet(AOP(result),size,FALSE,FALSE));
- //pic14_emitcode("movlw","%s", aopGet(AOP(right),size,FALSE,FALSE));
- //pic14_emitcode("movwf","%s", aopGet(AOP(result),size,FALSE,FALSE));
- }
- }
+ know_W=-1;
+ while (size--) {
+ 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;
+
+ } 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 {
- while (size--) {
- if(AOP_TYPE(right) == AOP_LIT) {
- emitpcode(POC_MOVLW, popGet(AOP(right),offset,FALSE,FALSE));
- emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE));
-
- } else if (AOP_TYPE(right) == AOP_CRY) {
- emitpcode(POC_CLRF, popGet(AOP(result),offset,FALSE,FALSE));
- if(offset == 0) {
- emitpcode(POC_BTFSS, popGet(AOP(right),0,FALSE,FALSE));
- emitpcode(POC_INCF, popGet(AOP(result),0,FALSE,FALSE));
- }
- } else {
- emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE));
- emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE));
- }
-
- //pic14_emitcode("movwf","%s", aopGet(AOP(result),offset,FALSE,FALSE));
- offset++;
- }
+ 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);
}
/*-----------------------------------------------------------------*/
/* multiply by three */
pic14_emitcode("add","a,acc");
pic14_emitcode("add","a,%s",aopGet(AOP(IC_JTCOND(ic)),0,FALSE,FALSE));
- freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE);
jtab = newiTempLabel(NULL);
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)))
+ jtab = setNextItem(IC_JTLABELS(ic))) {
pic14_emitcode("ljmp","%05d_DS_",jtab->key+100);
+ emitpcode(POC_GOTO,popGetLabel(jtab->key));
+
+ }
}
{
operand *result = IC_RESULT(ic);
sym_link *ctype = operandType(IC_LEFT(ic));
+ sym_link *rtype = operandType(IC_RIGHT(ic));
operand *right = IC_RIGHT(ic);
int size, offset ;
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 */
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
if (AOP_TYPE(right) == AOP_LIT) {
emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF),
- popGet(AOP(result),0,FALSE,FALSE));
+ popGet(AOP(result),0));
if (((int) operandLitValue(right)))
pic14_emitcode("bsf","(%s >> 3), (%s & 7)",
if (AOP_TYPE(right) == AOP_CRY) {
emitCLRC;
- emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE));
+ emitpcode(POC_BTFSC, popGet(AOP(right),0));
pic14_emitcode("clrc","");
pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
}
/* we need to or */
- pic14_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);
+
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ 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 (pic14_sameRegs(AOP(right),AOP(result)))
- goto release;
+ if (pic14_sameRegs(AOP(right),AOP(result)))
+ goto release;
+
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+ if (IS_PTR_CONST(rtype))
+ DEBUGpic14_emitcode ("; ***","%d - right is const pointer",__LINE__);
+ if (IS_PTR_CONST(operandType(IC_RESULT(ic))))
+ DEBUGpic14_emitcode ("; ***","%d - result is const pointer",__LINE__);
+
+ if ((AOP_TYPE(right) == AOP_PCODE) && AOP(right)->aopu.pcop->type == PO_IMMEDIATE) {
+ emitpcode(POC_MOVLW, popGet(AOP(right),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
+ emitpcode(POC_MOVLW, popGet(AOP(right),1));
+ emitpcode(POC_MOVWF, popGet(AOP(result),1));
+ if(AOP_SIZE(result) <2)
+ fprintf(stderr,"%d -- result is not big enough to hold a ptr\n",__LINE__);
+
+ } else {
/* if they in different places then copy */
size = AOP_SIZE(result);
offset = 0 ;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- offset++;
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+
+ //aopPut(AOP(result),
+ // aopGet(AOP(right),offset,FALSE,FALSE),
+ // offset);
+
+ offset++;
}
- goto release;
+ }
+ goto release;
}
int p_type;
sym_link *type = operandType(right);
sym_link *etype = getSpec(type);
+ DEBUGpic14_emitcode("; ***","%s %d - pointer cast",__FUNCTION__,__LINE__);
/* pointer to generic pointer */
if (IS_GENPTR(ctype)) {
}
/* the first two bytes are known */
+ DEBUGpic14_emitcode("; ***","%s %d - pointer cast2",__FUNCTION__,__LINE__);
size = GPTRSIZE - 1;
offset = 0 ;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- offset++;
+ if(offset < AOP_SIZE(right)) {
+ DEBUGpic14_emitcode("; ***","%s %d - pointer cast3",__FUNCTION__,__LINE__);
+ if ((AOP_TYPE(right) == AOP_PCODE) &&
+ AOP(right)->aopu.pcop->type == PO_IMMEDIATE) {
+ emitpcode(POC_MOVLW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ } else {
+ aopPut(AOP(result),
+ aopGet(AOP(right),offset,FALSE,FALSE),
+ offset);
+ }
+ } else
+ emitpcode(POC_CLRF,popGet(AOP(result),offset));
+ offset++;
}
/* the last byte depending on type */
switch (p_type) {
case IPOINTER:
case POINTER:
- l = zero;
+ emitpcode(POC_CLRF,popGet(AOP(result),GPTRSIZE - 1));
break;
case FPOINTER:
+ pic14_emitcode(";BUG!? ","%d",__LINE__);
l = one;
break;
case CPOINTER:
+ pic14_emitcode(";BUG!? ","%d",__LINE__);
l = "#0x02";
break;
case PPOINTER:
+ pic14_emitcode(";BUG!? ","%d",__LINE__);
l = "#0x03";
break;
"got unknown pointer type");
exit(1);
}
- aopPut(AOP(result),l, GPTRSIZE - 1);
+ //aopPut(AOP(result),l, GPTRSIZE - 1);
goto release ;
}
}
- if (AOP_TYPE(right) == AOP_CRY) {
- int offset = 1;
- size = AOP_SIZE(right);
-
- emitpcode(POC_CLRF, popGet(AOP(result),0,FALSE,FALSE));
- emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE));
- emitpcode(POC_INCF, popGet(AOP(result),0,FALSE,FALSE));
-
- pic14_emitcode("clrf","%s ; %d", aopGet(AOP(result),0,FALSE,FALSE),__LINE__);
- pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- pic14_emitcode("incf","%s,f", aopGet(AOP(result),0,FALSE,FALSE),__LINE__);
- while (size--) {
- pic14_emitcode("clrf","%s;%d", aopGet(AOP(result),offset,FALSE,FALSE),__LINE__);
- emitpcode(POC_CLRF, popGet(AOP(result),offset++,FALSE,FALSE));
- }
- goto release;
- }
/* so we now know that the size of destination is greater
than the size of the source.
if(genMixedOperation(ic))
goto release;
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
/* we move to result for the size of source */
size = AOP_SIZE(right);
offset = 0 ;
while (size--) {
- pic14_emitcode(";","%d",__LINE__);
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- 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--) {
- emitpcode(POC_CLRF, popGet(AOP(result),offset,FALSE,FALSE));
- pic14_emitcode("clrf","%s ;%d",aopGet(AOP(result),offset,FALSE,FALSE),__LINE__);
- offset++;
- }
+ if (SPEC_USIGN(rtype) || !IS_SPEC(rtype)) {
+ while (size--)
+ emitpcode(POC_CLRF, popGet(AOP(result),offset++));
} else {
/* we need to extend the sign :{ */
- //char *l = aopGet(AOP(right),AOP_SIZE(right) - 1,FALSE,FALSE);
- //MOVA(l);
-
- emitpcode(POC_CLRW, NULL);
- emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE));
- 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--) {
- emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE));
- pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
- offset++;
- // aopPut(AOP(result),"a",offset++);
- }
- }
+ if(size == 1) {
+ /* Save one instruction of casting char to int */
+ emitpcode(POC_CLRF, popGet(AOP(result),offset));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),offset));
+ } else {
+ 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));
- /* we are done hurray !!!! */
+ while (size--)
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset++));
+ }
+ }
release:
freeAsmop(right,NULL,ic,TRUE);
} else {
- emitpcode(POC_DECFSZ,popGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE));
+ 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));
/*-----------------------------------------------------------------*/
static void genReceive (iCode *ic)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if (isOperandInFarSpace(IC_RESULT(ic)) &&
- ( OP_SYMBOL(IC_RESULT(ic))->isspilt ||
- IS_TRUE_SYMOP(IC_RESULT(ic))) ) {
+ 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") ?
+ 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));
+ 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));
+ }
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
addpBlock(pb);
/* if debug information required */
-/* if (options.debug && currFunc) { */
- if (currFunc) {
- cdbSymbol(currFunc,cdbFile,FALSE,TRUE);
+ if (options.debug && currFunc) {
+ if (currFunc) {
+ debugFile->writeFunction(currFunc);
_G.debugLine = 1;
if (IS_STATIC(currFunc->etype)) {
- pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__);
- //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name));
+ pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__);
+ //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name));
} else {
- pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__);
- //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name));
+ pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__);
+ //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name));
}
_G.debugLine = 0;
+ }
}
ic->level,ic->block);
_G.debugLine = 0;
}
- pic14_emitcode(";","%s %d",FileBaseName(ic->filename),ic->lineno);
+ /*
+ pic14_emitcode("#CSRC","%s %d",FileBaseName(ic->filename),ic->lineno);
+ pic14_emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
+ printCLine(ic->filename, ic->lineno));
+ */
+ if (!options.noCcodeInAsm) {
+ addpCode2pBlock(pb,
+ newpCodeCSource(ic->lineno,
+ ic->filename,
+ printCLine(ic->filename, ic->lineno)));
+ }
+
cln = ic->lineno ;
}
+
+ // if you want printILine too, look at ../mcs51/gen.c, i don't understand this :)
+
/* if the result is marked as
spilt and rematerializable or code for
this has already been generated then
/* 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");
+#ifdef PCODE_DEBUG
+ DFPRINTF((stderr,"printing pBlock\n\n"));
printpBlock(stdout,pb);
+#endif
return;
}
projects / fw / sdcc / blobdiff