/*-------------------------------------------------------------------------
- avrgen.c - source file for code generation for ATMEL AVR
-
+ gen.c - source file for code generation for ATMEL AVR
+
Written By - Sandeep Dutta . sandeep.dutta@usa.net (2000)
-
+
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding!
-
+
-------------------------------------------------------------------------*/
#include <string.h>
#include <ctype.h>
#include "SDCCglobl.h"
-
-#ifdef HAVE_SYS_ISA_DEFS_H
-#include <sys/isa_defs.h>
-#else
-#ifdef HAVE_ENDIAN_H
-#include <endian.h>
-#else
-#if !defined(__BORLANDC__) && !defined(_MSC_VER)
-#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
+#include "newalloc.h"
#include "common.h"
#include "SDCCpeeph.h"
#include "ralloc.h"
#include "gen.h"
-char *aopLiteral (value *val, int offset);
+char *aopLiteral (value * val, int offset);
extern int allocInfo;
-/* this is the down and dirty file with all kinds of
+/* this is the down and dirty file with all kinds of
kludgy & hacky stuff. This is what it is all about
CODE GENERATION for a specific MCU . some of the
routines may be reusable, will have to see */
static char *zero = "0x00";
-static char *one = "0x01";
-static char *spname ;
+static char *one = "0x01";
+static char *spname;
-char *fReturnAVR[] = {"r16","r17","r18","r19" };
-unsigned fAVRReturnSize = 4; /* shared with ralloc.c */
+char *fReturnAVR[] = { "r16", "r17", "r18", "r19" };
+unsigned fAVRReturnSize = 4; /* shared with ralloc.c */
char **fAVRReturn = fReturnAVR;
-static short rbank = -1;
-static char *larray[4] = {"lo8","hi8","hlo8","hhi8"};
-static char *tscr[4] = {"r0","r1","r24","r25"};
+static char *larray[4] = { ">", "<", "hlo8", "hhi8" };
+
static struct {
short xPushed;
short zPushed;
set *sendSet;
} _G;
-extern int avr_ptrRegReq ;
+extern int avr_ptrRegReq;
extern int avr_nRegs;
-extern FILE *codeOutFile;
-static void saverbank (int, iCode *,bool);
+extern struct dbuf_s *codeOutBuf;
#define RESULTONSTACK(x) \
(IC_RESULT(x) && IC_RESULT(x)->aop && \
IC_RESULT(x)->aop->type == AOP_STK )
#define MOVR0(x) if (strcmp(x,"r0")) emitcode("mov","r0,%s",x);
+#define MOVR24(x) if (strcmp(x,"r24")) emitcode("mov","r24,%s",x);
+#define AOP_ISHIGHREG(a,n) (a->type == AOP_REG && a->aopu.aop_reg[n] && a->aopu.aop_reg[n]->rIdx >= R16_IDX)
#define CLRC emitcode("clc","")
#define SETC emitcode("stc","")
#define MOVA(x)
static lineNode *lineHead = NULL;
static lineNode *lineCurr = NULL;
-static unsigned char SLMask[] = {0xFF ,0xFE, 0xFC, 0xF8, 0xF0,
- 0xE0, 0xC0, 0x80, 0x00};
-static unsigned char SRMask[] = {0xFF, 0x7F, 0x3F, 0x1F, 0x0F,
- 0x07, 0x03, 0x01, 0x00};
-
#define LSB 0
#define MSB16 1
#define MSB24 2
#define MSB32 3
+#if 0
+// PENDING: Unused.
+/*-----------------------------------------------------------------*/
+/* reAdjustPreg - points a register back to where it should */
+/*-----------------------------------------------------------------*/
+static void
+reAdjustPreg (asmop * aop)
+{
+ int size;
+
+ aop->coff = 0;
+ if ((size = aop->size) <= 1)
+ return;
+ size--;
+ switch (aop->type) {
+ case AOP_X:
+ case AOP_Z:
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name, size);
+ break;
+ }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* outBitC - output a bit C */
+/*-----------------------------------------------------------------*/
+static void
+outBitC (operand * result)
+{
+ emitcode ("clr", "r0");
+ emitcode ("rol", "r0");
+ outAcc (result);
+}
+
+/*-----------------------------------------------------------------*/
+/* inExcludeList - return 1 if the string is in exclude Reg list */
+/*-----------------------------------------------------------------*/
+static bool
+inExcludeList (char *s)
+{
+ int i = 0;
+
+ if (options.excludeRegs[i] &&
+ STRCASECMP (options.excludeRegs[i], "none") == 0)
+ return FALSE;
+
+ for (i = 0; options.excludeRegs[i]; i++) {
+ if (options.excludeRegs[i] &&
+ STRCASECMP (s, options.excludeRegs[i]) == 0)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/*-----------------------------------------------------------------*/
+/* 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. */
+/*-----------------------------------------------------------------*/
+static int
+findLabelBackwards (iCode * ic, int key)
+{
+ int count = 0;
+
+ 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;
+}
+
+/*-----------------------------------------------------------------*/
+/* addSign - complete with sign */
+/*-----------------------------------------------------------------*/
+static void
+addSign (operand * result, int offset, int sign)
+{
+ int size = (getDataSize (result) - offset);
+ if (size > 0) {
+ if (sign) {
+ emitcode ("rlc", "a");
+ emitcode ("subb", "a,acc");
+ while (size--)
+ aopPut (AOP (result), "a", offset++);
+ }
+ else
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+ }
+}
+
+/*-----------------------------------------------------------------*/
+/* isLiteralBit - test if lit == 2^n */
+/*-----------------------------------------------------------------*/
+static int
+isLiteralBit (unsigned long lit)
+{
+ unsigned long pw[32] = { 1L, 2L, 4L, 8L, 16L, 32L, 64L, 128L,
+ 0x100L, 0x200L, 0x400L, 0x800L,
+ 0x1000L, 0x2000L, 0x4000L, 0x8000L,
+ 0x10000L, 0x20000L, 0x40000L, 0x80000L,
+ 0x100000L, 0x200000L, 0x400000L, 0x800000L,
+ 0x1000000L, 0x2000000L, 0x4000000L, 0x8000000L,
+ 0x10000000L, 0x20000000L, 0x40000000L, 0x80000000L
+ };
+ int idx;
+
+ for (idx = 0; idx < 32; idx++)
+ if (lit == pw[idx])
+ return idx + 1;
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* outAcc - output Acc */
+/*-----------------------------------------------------------------*/
+static void
+outAcc (operand * result)
+{
+ int size, offset;
+ size = getDataSize (result);
+ if (size) {
+ aopPut (AOP (result), "r0", 0);
+ size--;
+ offset = 1;
+ /* unsigned or positive */
+ while (size--) {
+ aopPut (AOP (result), zero, offset++);
+ }
+ }
+}
+
+#endif // End Unused code section
+
/*-----------------------------------------------------------------*/
/* emitcode - writes the code into a file : for now it is simple */
/*-----------------------------------------------------------------*/
-static void emitcode (char *inst,char *fmt, ...)
+static void
+emitcode (char *inst, char *fmt, ...)
{
va_list ap;
- char lb[MAX_INLINEASM];
+ char lb[INITIAL_INLINEASM];
char *lbp = lb;
- va_start(ap,fmt);
+ va_start (ap, fmt);
if (inst && *inst) {
if (fmt && *fmt)
- sprintf(lb,"%s\t",inst);
+ sprintf (lb, "%s\t", inst);
else
- sprintf(lb,"%s",inst);
- vsprintf(lb+(strlen(lb)),fmt,ap);
- } else
- vsprintf(lb,fmt,ap);
+ sprintf (lb, "%s", inst);
+ vsprintf (lb + (strlen (lb)), fmt, ap);
+ }
+ else
+ vsprintf (lb, fmt, ap);
- while (isspace(*lbp)) lbp++;
+ while (isspace ((unsigned char)*lbp))
+ lbp++;
- if (lbp && *lbp)
+ if (lbp && *lbp)
lineCurr = (lineCurr ?
- connectLine(lineCurr,newLineNode(lb)) :
- (lineHead = newLineNode(lb)));
+ connectLine (lineCurr, newLineNode (lb)) :
+ (lineHead = newLineNode (lb)));
lineCurr->isInline = _G.inLine;
- lineCurr->isDebug = _G.debugLine;
- va_end(ap);
+ lineCurr->isDebug = _G.debugLine;
+ va_end (ap);
+}
+
+/*-----------------------------------------------------------------*/
+/* avr_emitDebuggerSymbol - associate the current code location */
+/* with a debugger symbol */
+/*-----------------------------------------------------------------*/
+void
+avr_emitDebuggerSymbol (char * debugSym)
+{
+ _G.debugLine = 1;
+ emitcode ("", "%s ==.", debugSym);
+ _G.debugLine = 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* hasInc - operand is incremented before any other use */
+/*-----------------------------------------------------------------*/
+static iCode *
+hasInc (operand *op, iCode *ic)
+{
+ sym_link *type = operandType(op);
+ sym_link *retype = getSpec (type);
+ iCode *lic = ic->next;
+ int isize ;
+
+ if (IS_BITVAR(retype)||!IS_PTR(type)) return NULL;
+ if (IS_AGGREGATE(type->next)) return NULL;
+ isize = getSize(type->next);
+ while (lic) {
+ /* if operand of the form op = op + <sizeof *op> */
+ if (lic->op == '+' && isOperandEqual(IC_LEFT(lic),op) &&
+ isOperandEqual(IC_RESULT(lic),op) &&
+ isOperandLiteral(IC_RIGHT(lic)) &&
+ operandLitValue(IC_RIGHT(lic)) == isize) {
+ return lic;
+ }
+ /* if the operand used or deffed */
+ if (bitVectBitValue(OP_USES(op),lic->key) || (lic->defKey == op->key)) {
+ return NULL;
+ }
+ lic = lic->next;
+ }
+ return NULL;
}
/*-----------------------------------------------------------------*/
/* getFreePtr - returns X or Z whichever is free or can be pushed */
/*-----------------------------------------------------------------*/
-static regs *getFreePtr (iCode *ic, asmop **aopp, bool result, bool zonly)
+static regs *
+getFreePtr (iCode * ic, asmop ** aopp, bool result, bool zonly)
{
- bool xiu = FALSE , ziu = FALSE;
- bool xou = FALSE , zou = FALSE;
+ bool xiu = FALSE, ziu = FALSE;
+ bool xou = FALSE, zou = FALSE;
/* the logic: if x & z used in the instruction
then we are in trouble otherwise */
/* first check if x & z are used by this
instruction, in which case we are in trouble */
- if ((xiu = bitVectBitValue(ic->rUsed,X_IDX)) &&
- (ziu = bitVectBitValue(ic->rUsed,Z_IDX)))
- {
- goto endOfWorld;
- }
+ if ((xiu = bitVectBitValue (ic->rUsed, X_IDX)) &&
+ (ziu = bitVectBitValue (ic->rUsed, Z_IDX))) {
+ goto endOfWorld;
+ }
- xou = bitVectBitValue(ic->rMask,X_IDX);
- zou = bitVectBitValue(ic->rMask,Z_IDX);
+ xou = bitVectBitValue (ic->rMask, X_IDX);
+ zou = bitVectBitValue (ic->rMask, Z_IDX);
/* if no usage of Z then return it */
if (!ziu && !zou) {
- ic->rUsed = bitVectSetBit(ic->rUsed,Z_IDX);
+ ic->rUsed = bitVectSetBit (ic->rUsed, Z_IDX);
(*aopp)->type = AOP_Z;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R31_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R30_IDX);
- }
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R31_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R30_IDX);
+ }
/* if no usage of X then return it */
if (!xiu && !xou && !zonly) {
- ic->rUsed = bitVectSetBit(ic->rUsed,X_IDX);
+ ic->rUsed = bitVectSetBit (ic->rUsed, X_IDX);
(*aopp)->type = AOP_X;
-
- (*aopp)->aop_ptr2 = avr_regWithIdx(R27_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R26_IDX);
+
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R27_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R26_IDX);
}
/* if z not used then */
if (!ziu) {
/* push it if not already pushed */
if (!_G.zPushed) {
- emitcode ("push","%s",
- avr_regWithIdx(R30_IDX)->dname);
- emitcode ("push","%s",
- avr_regWithIdx(R31_IDX)->dname);
- _G.zPushed++ ;
- }
-
- ic->rUsed = bitVectSetBit(ic->rUsed,Z_IDX);
+ emitcode ("push", "%s",
+ avr_regWithIdx (R30_IDX)->dname);
+ emitcode ("push", "%s",
+ avr_regWithIdx (R31_IDX)->dname);
+ _G.zPushed++;
+ }
+
+ ic->rUsed = bitVectSetBit (ic->rUsed, Z_IDX);
(*aopp)->type = AOP_Z;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R31_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R30_IDX);
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R31_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R30_IDX);
}
/* now we know they both have usage */
if (!xiu && !zonly) {
/* push it if not already pushed */
if (!_G.xPushed) {
- emitcode ("push","%s",
- avr_regWithIdx(R26_IDX)->dname);
- emitcode ("push","%s",
- avr_regWithIdx(R27_IDX)->dname);
- _G.xPushed++ ;
- }
-
- ic->rUsed = bitVectSetBit(ic->rUsed,X_IDX);
+ emitcode ("push", "%s",
+ avr_regWithIdx (R26_IDX)->dname);
+ emitcode ("push", "%s",
+ avr_regWithIdx (R27_IDX)->dname);
+ _G.xPushed++;
+ }
+
+ ic->rUsed = bitVectSetBit (ic->rUsed, X_IDX);
(*aopp)->type = AOP_X;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R27_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R26_IDX);
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R27_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R26_IDX);
}
- endOfWorld :
- /* I said end of world but not quite end of world yet */
- /* if this is a result then we can push it on the stack*/
- if (result) {
- (*aopp)->type = AOP_STK;
- return NULL;
- }
+ endOfWorld:
+ /* I said end of world but not quite end of world yet */
+ /* if this is a result then we can push it on the stack */
+ if (result) {
+ (*aopp)->type = AOP_STK;
+ return NULL;
+ }
- piCode(ic,stdout);
/* other wise this is true end of the world */
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "getFreePtr should never reach here");
- exit(0);
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "getFreePtr should never reach here");
+ exit (0);
}
/*-----------------------------------------------------------------*/
/* newAsmop - creates a new asmOp */
/*-----------------------------------------------------------------*/
-static asmop *newAsmop (short type)
+static asmop *
+newAsmop (short type)
{
asmop *aop;
- ALLOC(aop,sizeof(asmop));
+ aop = Safe_calloc (1, sizeof (asmop));
aop->type = type;
return aop;
}
/*-----------------------------------------------------------------*/
/* pointerCode - returns the code for a pointer type */
/*-----------------------------------------------------------------*/
-static int pointerCode (sym_link *etype)
+static int
+pointerCode (sym_link * etype)
{
- return PTR_TYPE(SPEC_OCLS(etype));
+ return PTR_TYPE (SPEC_OCLS (etype));
}
/*-----------------------------------------------------------------*/
/* aopForSym - for a true symbol */
/*-----------------------------------------------------------------*/
-static asmop *aopForSym (iCode *ic,symbol *sym,bool result)
+static asmop *
+aopForSym (iCode * ic, symbol * sym, bool result)
{
asmop *aop;
- memmap *space= SPEC_OCLS(sym->etype);
+ memmap *space = SPEC_OCLS (sym->etype);
/* if already has one */
if (sym->aop)
/* assign depending on the storage class */
/* if it is on the stack */
if (sym->onStack) {
- sym->aop = aop = newAsmop(0);
- aop->size = getSize(sym->type);
+ sym->aop = aop = newAsmop (0);
+ aop->size = getSize (sym->type);
/* we can use std / ldd instruction */
- if (sym->stack > 0 && (sym->stack + getSize(sym->type) - 1) <= 63) {
+ if (sym->stack > 0
+ && (sym->stack + getSize (sym->type) - 1) <= 63) {
aop->type = AOP_STK_D;
aop->aopu.aop_stk = sym->stack;
return aop;
}
/* otherwise get a free pointer register X/Z */
- aop->aopu.aop_ptr = getFreePtr(ic,&aop,result,FALSE);
+ aop->aopu.aop_ptr = getFreePtr (ic, &aop, result, FALSE);
- /* now assign the address of the variable to
+ /* now assign the address of the variable to
the pointer register */
if (aop->type != AOP_STK) {
- emitcode("movw","%s,r28",aop->aopu.aop_ptr->name);
+ emitcode ("movw", "%s,r28", aop->aopu.aop_ptr->name);
if (sym->stack < 0) {
if ((sym->stack - _G.nRegsSaved) > -63) {
- emitcode("sbiw","%s,0x%02x",
- aop->aopu.aop_ptr->name,
- (sym->stack - _G.nRegsSaved));
- } else {
- emitcode("subi","%s,lo8(%d)", aop->aopu.aop_ptr->name,
- sym->stack - _G.nRegsSaved);
- emitcode("sbci","%s,hi8(%d)",aop->aop_ptr2->name,
- sym->stack - _G.nRegsSaved);
+ emitcode ("sbiw", "%s,0x%02x",
+ aop->aopu.aop_ptr->name,
+ (sym->stack -
+ _G.nRegsSaved));
}
- } else {
+ else {
+ emitcode ("subi", "%s,<(%d)",
+ aop->aopu.aop_ptr->name,
+ sym->stack - _G.nRegsSaved);
+ emitcode ("sbci", "%s,>(%d)",
+ aop->aop_ptr2->name,
+ sym->stack - _G.nRegsSaved);
+ }
+ }
+ else {
if (sym->stack <= 63) {
- emitcode("adiw","%s,0x%02x",aop->aopu.aop_ptr->name,sym->stack);
- } else {
- emitcode("subi","%s,lo8(-%d)",aop->aopu.aop_ptr->name,sym->stack);
- emitcode("sbci","%s,hi8(-%d)",aop->aop_ptr2->name,sym->stack);
+ emitcode ("adiw", "%s,0x%02x",
+ aop->aopu.aop_ptr->name,
+ sym->stack);
+ }
+ else {
+ emitcode ("subi", "%s,<(-%d)",
+ aop->aopu.aop_ptr->name,
+ sym->stack);
+ emitcode ("sbci", "%s,>(-%d)",
+ aop->aop_ptr2->name,
+ sym->stack);
}
}
}
return aop;
}
-
+
/* if in bit space */
- if (IN_BITSPACE(space)) {
+ if (IN_BITSPACE (space)) {
sym->aop = aop = newAsmop (AOP_CRY);
- aop->aopu.aop_dir = sym->rname ;
- aop->size = getSize(sym->type);
+ aop->aopu.aop_dir = sym->rname;
+ aop->size = getSize (sym->type);
return aop;
}
/* if it is in direct space */
- if (IN_DIRSPACE(space)) {
+ if (IN_DIRSPACE (space)) {
sym->aop = aop = newAsmop (AOP_DIR);
- aop->aopu.aop_dir = sym->rname ;
- aop->size = getSize(sym->type);
+ aop->aopu.aop_dir = sym->rname;
+ aop->size = getSize (sym->type);
return aop;
}
/* special case for a function */
- if (IS_FUNC(sym->type)) {
- sym->aop = aop = newAsmop(AOP_IMMD);
- ALLOC_ATOMIC(aop->aopu.aop_immd,strlen(sym->rname)+1);
- strcpy(aop->aopu.aop_immd,sym->rname);
- aop->size = FPTRSIZE;
+ if (IS_FUNC (sym->type)) {
+ sym->aop = aop = newAsmop (AOP_IMMD);
+ aop->aopu.aop_immd = Safe_calloc (1, strlen (sym->rname) + 1);
+ strcpy (aop->aopu.aop_immd, sym->rname);
+ aop->size = FPTRSIZE;
return aop;
}
/* only remaining is code / eeprom which will need pointer reg */
/* if it is in code space */
- sym->aop = aop = newAsmop(0);
+ sym->aop = aop = newAsmop (0);
- if (IN_CODESPACE(space))
+ if (IN_CODESPACE (space))
aop->code = 1;
- aop->aopu.aop_ptr = getFreePtr(ic,&aop,result,aop->code);
- aop->size = getSize(sym->type);
- emitcode ("ldi","%s,lo8(%s)",aop->aopu.aop_ptr->name,sym->rname);
- emitcode ("ldi","%s,hi8(%s)",aop->aop_ptr2);
+ aop->aopu.aop_ptr = getFreePtr (ic, &aop, result, aop->code);
+ aop->size = getSize (sym->type);
+ emitcode ("ldi", "%s,<(%s)", aop->aopu.aop_ptr->name, sym->rname);
+ emitcode ("ldi", "%s,>(%s)", aop->aop_ptr2);
- return aop;
+ return aop;
}
/*-----------------------------------------------------------------*/
/* aopForRemat - rematerialzes an object */
/*-----------------------------------------------------------------*/
-static asmop *aopForRemat (symbol *sym)
+static asmop *
+aopForRemat (symbol * sym)
{
iCode *ic = sym->rematiCode;
- asmop *aop = newAsmop(AOP_IMMD);
+ asmop *aop = newAsmop (AOP_IMMD);
int val = 0;
for (;;) {
if (ic->op == '+')
- val += operandLitValue(IC_RIGHT(ic));
+ val += (int) operandLitValue (IC_RIGHT (ic));
else if (ic->op == '-')
- val -= operandLitValue(IC_RIGHT(ic));
+ 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);
+ sprintf (buffer, "(%s %c 0x%04x)",
+ OP_SYMBOL (IC_LEFT (ic))->rname,
+ val >= 0 ? '+' : '-', abs (val) & 0xffff);
else
- strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname);
+ strcpy (buffer, OP_SYMBOL (IC_LEFT (ic))->rname);
- ALLOC_ATOMIC(aop->aopu.aop_immd,strlen(buffer)+1);
- strcpy(aop->aopu.aop_immd,buffer);
- return aop;
+ aop->aopu.aop_immd = Safe_calloc (1, strlen (buffer) + 1);
+ strcpy (aop->aopu.aop_immd, buffer);
+ return aop;
}
/*-----------------------------------------------------------------*/
/* regsInCommon - two operands have some registers in common */
/*-----------------------------------------------------------------*/
-static bool regsInCommon (operand *op1, operand *op2)
+static bool
+regsInCommon (operand * op1, operand * op2)
{
symbol *sym1, *sym2;
int i;
/* if they have registers in common */
- if (!IS_SYMOP(op1) || !IS_SYMOP(op2))
- return FALSE ;
+ if (!IS_SYMOP (op1) || !IS_SYMOP (op2))
+ return FALSE;
- sym1 = OP_SYMBOL(op1);
- sym2 = OP_SYMBOL(op2);
+ sym1 = OP_SYMBOL (op1);
+ sym2 = OP_SYMBOL (op2);
if (sym1->nRegs == 0 || sym2->nRegs == 0)
- return FALSE ;
+ return FALSE;
- for (i = 0 ; i < sym1->nRegs ; i++) {
+ for (i = 0; i < sym1->nRegs; i++) {
int j;
if (!sym1->regs[i])
- continue ;
+ continue;
- for (j = 0 ; j < sym2->nRegs ;j++ ) {
+ for (j = 0; j < sym2->nRegs; j++) {
if (!sym2->regs[j])
- continue ;
+ continue;
if (sym2->regs[j] == sym1->regs[i])
- return TRUE ;
+ return TRUE;
}
}
- return FALSE ;
+ return FALSE;
}
/*-----------------------------------------------------------------*/
/* operandsEqu - equivalent */
/*-----------------------------------------------------------------*/
-static bool operandsEqu ( operand *op1, operand *op2)
+static bool
+operandsEqu (operand * op1, operand * op2)
{
symbol *sym1, *sym2;
/* if they not symbols */
- if (!IS_SYMOP(op1) || !IS_SYMOP(op2))
+ if (!IS_SYMOP (op1) || !IS_SYMOP (op2))
return FALSE;
- sym1 = OP_SYMBOL(op1);
- sym2 = OP_SYMBOL(op2);
+ sym1 = OP_SYMBOL (op1);
+ sym2 = OP_SYMBOL (op2);
/* if both are itemps & one is spilt
and the other is not then false */
- if (IS_ITEMP(op1) && IS_ITEMP(op2) &&
- sym1->isspilt != sym2->isspilt )
- return FALSE ;
+ if (IS_ITEMP (op1) && IS_ITEMP (op2) &&
+ sym1->isspilt != sym2->isspilt) return FALSE;
/* if they are the same */
if (sym1 == sym2)
- return TRUE ;
+ return TRUE;
- if (strcmp(sym1->rname,sym2->rname) == 0)
+ if (strcmp (sym1->rname, sym2->rname) == 0)
return TRUE;
/* if left is a tmp & right is not */
- if (IS_ITEMP(op1) &&
- !IS_ITEMP(op2) &&
- sym1->isspilt &&
- (sym1->usl.spillLoc == sym2))
+ if (IS_ITEMP (op1) &&
+ !IS_ITEMP (op2) && sym1->isspilt && (sym1->usl.spillLoc == sym2))
return TRUE;
- if (IS_ITEMP(op2) &&
- !IS_ITEMP(op1) &&
- sym2->isspilt &&
- sym1->level > 0 &&
- (sym2->usl.spillLoc == sym1))
- return TRUE ;
+ if (IS_ITEMP (op2) &&
+ !IS_ITEMP (op1) &&
+ sym2->isspilt && sym1->level > 0 && (sym2->usl.spillLoc == sym1))
+ return TRUE;
- return FALSE ;
+ return FALSE;
}
/*-----------------------------------------------------------------*/
/* sameRegs - two asmops have the same registers */
/*-----------------------------------------------------------------*/
-static bool sameRegs (asmop *aop1, asmop *aop2 )
+static bool
+sameRegs (asmop * aop1, asmop * aop2)
{
int i;
if (aop1 == aop2)
- return TRUE ;
+ return TRUE;
- if (aop1->type != AOP_REG ||
- aop2->type != AOP_REG )
- return FALSE ;
+ if (aop1->type != AOP_REG || aop2->type != AOP_REG)
+ return FALSE;
- if (aop1->size != aop2->size )
- return FALSE ;
+ if (aop1->size != aop2->size)
+ return FALSE;
- for (i = 0 ; i < aop1->size ; i++ )
- if (aop1->aopu.aop_reg[i] !=
- aop2->aopu.aop_reg[i] )
- return FALSE ;
+ for (i = 0; i < aop1->size; i++)
+ if (aop1->aopu.aop_reg[i] != aop2->aopu.aop_reg[i])
+ return FALSE;
- return TRUE ;
+ return TRUE;
}
/*-----------------------------------------------------------------*/
/* isRegPair - for size 2 if this operand has a register pair */
/*-----------------------------------------------------------------*/
-static int isRegPair (asmop *aop)
+static int
+isRegPair (asmop * aop)
{
- if (!aop || aop->size != 2) return 0;
- if (aop->type == AOP_X || aop->type == AOP_Z) return 1;
- if (aop->type != AOP_REG) return 0;
- if ((aop->aopu.aop_reg[1]->rIdx -
- aop->aopu.aop_reg[0]->rIdx) == 1) return 1;
+ if (!aop || aop->size < 2)
+ return 0;
+ if (aop->type == AOP_X || aop->type == AOP_Z)
+ return 1;
+ if (aop->type != AOP_REG)
+ return 0;
+ if ( ((aop->aopu.aop_reg[1]->rIdx - aop->aopu.aop_reg[0]->rIdx) == 1) &&
+ (aop->aopu.aop_reg[0]->rIdx & 1) == 0)
+
+ return 1;
return 0;
}
+/*-----------------------------------------------------------------*/
+/* allHigh - all registers are high registers */
+/*-----------------------------------------------------------------*/
+static int allHigh (asmop * aop)
+{
+ int i;
+
+ if (aop->type == AOP_X || aop->type == AOP_Z)
+ return 1;
+ if (aop->type != AOP_REG)
+ return 0;
+ for (i=0; i < aop->size ; i++ )
+ if (aop->aopu.aop_reg[i]->rIdx < R16_IDX) return 0;
+ return 1;
+}
+
/*-----------------------------------------------------------------*/
/* aopOp - allocates an asmop for an operand : */
/*-----------------------------------------------------------------*/
-static void aopOp (operand *op, iCode *ic, bool result)
+static void
+aopOp (operand * op, iCode * ic, bool result)
{
asmop *aop;
symbol *sym;
int i;
if (!op)
- return ;
+ return;
/* if this a literal */
- if (IS_OP_LITERAL(op)) {
- op->aop = aop = newAsmop(AOP_LIT);
+ if (IS_OP_LITERAL (op)) {
+ op->aop = aop = newAsmop (AOP_LIT);
aop->aopu.aop_lit = op->operand.valOperand;
- aop->size = getSize(operandType(op));
+ aop->size = getSize (operandType (op));
return;
}
/* if already has a asmop then continue */
if (op->aop)
- return ;
+ return;
/* if the underlying symbol has a aop */
- if (IS_SYMOP(op) && OP_SYMBOL(op)->aop) {
- op->aop = OP_SYMBOL(op)->aop;
+ if (IS_SYMOP (op) && OP_SYMBOL (op)->aop) {
+ op->aop = OP_SYMBOL (op)->aop;
return;
}
/* if this is a true symbol */
- if (IS_TRUE_SYMOP(op)) {
- op->aop = aopForSym(ic,OP_SYMBOL(op),result);
- return ;
+ if (IS_TRUE_SYMOP (op)) {
+ op->aop = aopForSym (ic, OP_SYMBOL (op), result);
+ return;
}
/* this is a temporary : this has
only four choices :
a) register
b) spillocation
- c) rematerialize
- d) conditional
+ c) rematerialize
+ d) conditional
e) can be a return use only */
- sym = OP_SYMBOL(op);
+ sym = OP_SYMBOL (op);
/* if the type is a conditional */
- if (sym->regType == REG_CND) {
- aop = op->aop = sym->aop = newAsmop(AOP_CRY);
+ if (sym->regType & REG_CND) {
+ aop = op->aop = sym->aop = newAsmop (AOP_CRY);
aop->size = 0;
return;
}
/* if it is spilt then two situations
- a) is rematerialize
+ a) is rematerialize
b) has a spill location */
if (sym->isspilt || sym->nRegs == 0) {
+ asmop *oldAsmOp = NULL;
+
/* rematerialize it NOW */
if (sym->remat) {
- sym->aop = op->aop = aop =
- aopForRemat (sym);
- aop->size = getSize(sym->type);
+ sym->aop = op->aop = aop = aopForRemat (sym);
+ aop->size = getSize (sym->type);
return;
}
if (sym->accuse) {
- assert("ACC_USE cannot happen in AVR\n");
+ assert ("ACC_USE cannot happen in AVR\n");
}
- if (sym->ruonly ) {
+ if (sym->ruonly) {
int i;
- aop = op->aop = sym->aop = newAsmop(AOP_STR);
- aop->size = getSize(sym->type);
- for ( i = 0 ; i < fAVRReturnSize ; i++ )
+ aop = op->aop = sym->aop = newAsmop (AOP_STR);
+ aop->size = getSize (sym->type);
+ for (i = 0; i < (int) fAVRReturnSize; i++)
aop->aopu.aop_str[i] = fAVRReturn[i];
return;
}
/* else spill location */
- sym->aop = op->aop = aop =
- aopForSym(ic,sym->usl.spillLoc,result);
- aop->size = getSize(sym->type);
+ if (sym->usl.spillLoc && getSize(sym->type) != getSize(sym->usl.spillLoc->type)) {
+ /* force a new aop if sizes differ */
+ oldAsmOp = sym->usl.spillLoc->aop;
+ sym->usl.spillLoc->aop = NULL;
+ }
+ sym->aop = op->aop = aop =
+ aopForSym (ic, sym->usl.spillLoc, result);
+ if (getSize(sym->type) != getSize(sym->usl.spillLoc->type)) {
+ /* Don't reuse the new aop, go with the last one */
+ sym->usl.spillLoc->aop = oldAsmOp;
+ }
+ aop->size = getSize (sym->type);
return;
}
/* must be in a register */
- sym->aop = op->aop = aop = newAsmop(AOP_REG);
+ sym->aop = op->aop = aop = newAsmop (AOP_REG);
aop->size = sym->nRegs;
- for ( i = 0 ; i < sym->nRegs ;i++)
+ for (i = 0; i < sym->nRegs; i++)
aop->aopu.aop_reg[i] = sym->regs[i];
}
/*-----------------------------------------------------------------*/
/* freeAsmop - free up the asmop given to an operand */
/*----------------------------------------------------------------*/
-static void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop)
-{
- asmop *aop ;
+static void
+freeAsmop (operand * op, asmop * aaop, iCode * ic, bool pop)
+{
+ asmop *aop;
if (!op)
aop = aaop;
- else
+ else
aop = op->aop;
if (!aop)
- return ;
+ return;
if (aop->freed)
- goto dealloc;
+ goto dealloc;
aop->freed = 1;
/* depending on the asmop type only three cases need work AOP_RO
, AOP_R1 && AOP_STK */
switch (aop->type) {
- case AOP_X :
- if (_G.xPushed ) {
+ case AOP_X:
+ if (_G.xPushed) {
if (pop) {
- emitcode ("pop","r26");
- emitcode ("pop","r27");
+ emitcode ("pop", "r26");
+ emitcode ("pop", "r27");
_G.xPushed--;
}
}
- bitVectUnSetBit(ic->rUsed,X_IDX);
+ bitVectUnSetBit (ic->rUsed, X_IDX);
break;
- case AOP_Z :
- if (_G.zPushed ) {
+ case AOP_Z:
+ if (_G.zPushed) {
if (pop) {
- emitcode ("pop","r30");
- emitcode ("pop","r31");
+ emitcode ("pop", "r30");
+ emitcode ("pop", "r31");
_G.zPushed--;
}
}
- bitVectUnSetBit(ic->rUsed,Z_IDX);
+ bitVectUnSetBit (ic->rUsed, Z_IDX);
break;
- case AOP_STK :
+ case AOP_STK:
{
- int sz = aop->size;
+ int sz = aop->size;
int stk = aop->aopu.aop_stk + aop->size;
- bitVectUnSetBit(ic->rUsed,X_IDX);
- bitVectUnSetBit(ic->rUsed,Z_IDX);
+ bitVectUnSetBit (ic->rUsed, X_IDX);
+ bitVectUnSetBit (ic->rUsed, Z_IDX);
+
+ getFreePtr (ic, &aop, FALSE, 0);
- getFreePtr(ic,&aop,FALSE,0);
-
- emitcode ("movw","%s,r28");
+ emitcode ("movw", "%s,r28");
if (stk) {
if (stk <= 63 && stk > 0) {
- emitcode ("adiw","%s,0x%02x",aop->aopu.aop_ptr->name,stk+1);
- } else {
- emitcode ("subi","%s,lo8(%d)",aop->aopu.aop_ptr->name,-(stk+1));
- emitcode ("sbci","%s,hi8(%d)",aop->aop_ptr2->name,-(stk+1));
+ emitcode ("adiw", "%s,0x%02x",
+ aop->aopu.aop_ptr->name,
+ stk + 1);
+ }
+ else {
+ emitcode ("subi", "%s,<(%d)",
+ aop->aopu.aop_ptr->name,
+ -(stk + 1));
+ emitcode ("sbci", "%s,>(%d)",
+ aop->aop_ptr2->name,
+ -(stk + 1));
}
}
while (sz--) {
- emitcode("pop","r24");
- emitcode("st","-%s,r24",aop->type == AOP_X ? "X" : "Z");
- if (!sz) break;
+ emitcode ("pop", "r24");
+ emitcode ("st", "-%s,r24",
+ aop->type == AOP_X ? "X" : "Z");
+ if (!sz)
+ break;
}
op->aop = aop;
- freeAsmop(op,NULL,ic,TRUE);
+ freeAsmop (op, NULL, ic, TRUE);
if (_G.xPushed) {
- emitcode("pop","r26");
- emitcode("pop","r27");
+ emitcode ("pop", "r26");
+ emitcode ("pop", "r27");
_G.xPushed--;
}
if (_G.zPushed) {
- emitcode("pop","r30");
- emitcode("pop","r31");
+ emitcode ("pop", "r30");
+ emitcode ("pop", "r31");
_G.zPushed--;
- }
+ }
}
}
- dealloc:
+ dealloc:
/* all other cases just dealloc */
- if (op ) {
+ if (op) {
op->aop = NULL;
- if (IS_SYMOP(op)) {
- OP_SYMBOL(op)->aop = NULL;
+ if (IS_SYMOP (op)) {
+ OP_SYMBOL (op)->aop = NULL;
/* if the symbol has a spill */
- if (SPIL_LOC(op))
- SPIL_LOC(op)->aop = NULL;
+ if (SPIL_LOC (op))
+ SPIL_LOC (op)->aop = NULL;
}
}
}
/*-----------------------------------------------------------------*/
/* aopGet - for fetching value of the aop */
/*-----------------------------------------------------------------*/
-static char *aopGet (asmop *aop, int offset)
+static char *
+aopGet (asmop * aop, int offset)
{
- char *s = buffer ;
+ char *s = buffer;
char *rs;
/* offset is greater than
size then zero */
- if (offset > (aop->size - 1) &&
- aop->type != AOP_LIT)
+ if (offset > (aop->size - 1) && aop->type != AOP_LIT)
return zero;
/* depending on type */
switch (aop->type) {
-
+
case AOP_X:
if (offset > aop->coff) {
- emitcode ("adiw","%s,%d",aop->aopu.aop_ptr->name,offset - aop->coff);
+ emitcode ("adiw", "%s,%d", aop->aopu.aop_ptr->name,
+ offset - aop->coff);
}
-
+
if (offset < aop->coff) {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name,
+ aop->coff - offset);
}
-
- aop->coff = offset ;
- emitcode("ld","%s,x",
- (rs = ((offset & 1) ? "r25" : "r24")));
+
+ aop->coff = offset;
+ emitcode ("ld", "%s,x",
+ (rs = ((offset & 1) ? "r25" : "r24")));
return rs;
case AOP_Z:
if (aop->code) {
if (offset > aop->coff) {
- emitcode("adiw","r30,%d",offset - aop->coff);
- } else {
- emitcode("sbiw","r30,%d",aop->coff - offset);
+ emitcode ("adiw", "r30,%d",
+ offset - aop->coff);
}
- emitcode("lpm","%s,z",(rs = ((offset & 1) ? "r25" : "r24")));
- } else {
+ else {
+ emitcode ("sbiw", "r30,%d",
+ aop->coff - offset);
+ }
+ emitcode ("lpm", "%s,z",
+ (rs = ((offset & 1) ? "r25" : "r24")));
+ }
+ else {
/* we can use lds */
- if (offset > aop->coff) {
- emitcode ("ldd","%s,z+%d",(rs = ((offset & 1) ? "r25" : "r24")),
+ if (offset > aop->coff) {
+ emitcode ("ldd", "%s,z+%d",
+ (rs =
+ ((offset & 1) ? "r25" : "r24")),
offset - aop->coff);
- } else {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
+ }
+ else {
+ emitcode ("sbiw", "%s,%d",
+ aop->aopu.aop_ptr->name,
+ aop->coff - offset);
aop->coff = offset;
- emitcode ("ld","%s,z",(rs = ((offset & 1) ? "r25" : "r24")));
+ emitcode ("ld", "%s,z",
+ (rs =
+ ((offset & 1) ? "r25" : "r24")));
}
}
return rs;
case AOP_IMMD:
-
- emitcode ("lds","%s,(%s)+%d",
+
+ emitcode ("lds", "%s,(%s)+%d",
(rs = ((offset & 1) ? "r25" : "r24")),
aop->aopu.aop_immd, offset);
return rs;
-
+
case AOP_DIR:
- emitcode ("lds","%s,(%s)+%d",
+ emitcode ("lds", "%s,(%s)+%d",
(rs = ((offset & 1) ? "r25" : "r24")),
aop->aopu.aop_dir, offset);
return rs;
-
+
case AOP_REG:
return aop->aopu.aop_reg[offset]->name;
-
+
case AOP_CRY:
- assert("cannot be in bit space AOP_CRY\n");
+ assert ("cannot be in bit space AOP_CRY\n");
break;
case AOP_LIT:
- s = aopLiteral(aop->aopu.aop_lit,offset);
- emitcode("ldi","%s,lo8(%s)",(rs = ((offset & 1)?"r24" : "r25")),s);
+ s = aopLiteral (aop->aopu.aop_lit, offset);
+ emitcode ("ldi", "%s,<(%s)",
+ (rs = ((offset & 1) ? "r24" : "r25")), s);
return rs;
case AOP_STR:
- aop->coff = offset ;
+ aop->coff = offset;
return aop->aopu.aop_str[offset];
-
+
case AOP_STK_D:
- emitcode ("ldd","%s,Y+%d",
- (rs = ((offset & 1) ? "r25" : "r24")),
- aop->aopu.aop_stk+offset);
+ emitcode ("ldd", "%s,Y+%d",
+ (rs = ((offset & 1) ? "r25" : "r24")),
+ aop->aopu.aop_stk + offset);
return rs;
}
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopget got unsupported aop->type");
- exit(0);
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "aopget got unsupported aop->type");
+ exit (0);
}
+
/*-----------------------------------------------------------------*/
/* aopPut - puts a string for a aop */
/*-----------------------------------------------------------------*/
-static void aopPut (asmop *aop, char *s, int offset)
+static void
+aopPut (asmop * aop, char *s, int offset)
{
- char *d = buffer ;
+ char *d = buffer;
- if (aop->size && offset > ( aop->size - 1)) {
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut got offset > aop->size");
- exit(0);
+ if (aop->size && offset > (aop->size - 1)) {
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "aopPut got offset > aop->size");
+ exit (0);
}
/* will assign value to value */
switch (aop->type) {
case AOP_DIR:
if (offset) {
- sprintf(d,"(%s)+%d", aop->aopu.aop_dir,offset);
+ sprintf (d, "(%s)+%d", aop->aopu.aop_dir, offset);
}
else {
- sprintf(d,"%s",aop->aopu.aop_dir);
+ sprintf (d, "%s", aop->aopu.aop_dir);
}
-
- emitcode("sts","%s,%s",d,s);
+
+ emitcode ("sts", "%s,%s", d, s);
break;
-
+
case AOP_REG:
- if (toupper(*s) != 'R') {
+ if (toupper ((unsigned char)*s) != 'R') {
if (s == zero) {
- emitcode("clr","%s",aop->aopu.aop_reg[offset]->name);
- } else {
- emitcode("ldi","r25,%s",s);
- emitcode("mov","%s,r35",aop->aopu.aop_reg[offset]->name);
+ emitcode ("clr", "%s",
+ aop->aopu.aop_reg[offset]->name);
}
- } else {
- if (strcmp( aop->aopu.aop_reg[offset]->name,s)) {
- emitcode("mov","%s,%s", aop->aopu.aop_reg[offset]->name,s);
+ else {
+ emitcode ("ldi", "r25,%s", s);
+ emitcode ("mov", "%s,r35",
+ aop->aopu.aop_reg[offset]->name);
+ }
+ }
+ else {
+ if (strcmp (aop->aopu.aop_reg[offset]->name, s)) {
+ emitcode ("mov", "%s,%s",
+ aop->aopu.aop_reg[offset]->name, s);
}
}
break;
-
+
case AOP_X:
if (offset > aop->coff) {
- emitcode ("adiw","%s,%d",aop->aopu.aop_ptr->name,offset - aop->coff);
+ emitcode ("adiw", "%s,%d", aop->aopu.aop_ptr->name,
+ offset - aop->coff);
}
-
+
if (offset < aop->coff) {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name,
+ aop->coff - offset);
}
-
- aop->coff = offset ;
- emitcode("st","x,%s", s);
+
+ aop->coff = offset;
+ emitcode ("st", "x,%s", s);
break;
-
+
case AOP_Z:
if (aop->code) {
if (offset > aop->coff) {
- emitcode("adiw","r30,%d",offset - aop->coff);
- } else {
- emitcode("sbiw","r30,%d",aop->coff - offset);
+ emitcode ("adiw", "r30,%d",
+ offset - aop->coff);
}
- emitcode("lpm","%s,z",s);
- } else {
+ else {
+ emitcode ("sbiw", "r30,%d",
+ aop->coff - offset);
+ }
+ emitcode ("lpm", "%s,z", s);
+ }
+ else {
/* we can use lds */
- if (offset > aop->coff) {
- emitcode ("sdd","z+%d,%s",offset - aop->coff,s);
- } else {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
+ if (offset > aop->coff) {
+ emitcode ("sdd", "z+%d,%s",
+ offset - aop->coff, s);
+ }
+ else {
+ emitcode ("sbiw", "%s,%d",
+ aop->aopu.aop_ptr->name,
+ aop->coff - offset);
aop->coff = offset;
- emitcode ("ld","%s,z",s);
+ emitcode ("ld", "%s,z", s);
}
}
break;
-
+
case AOP_STK:
- emitcode("push","%s",s);
+ emitcode ("push", "%s", s);
break;
-
+
case AOP_CRY:
/* if used only for a condition code check */
- assert(toupper(*s) == 'R');
+ assert (toupper ((unsigned char)*s) == 'R');
if (offset == 0) {
- emitcode("xrl","r0,r0");
- emitcode("cpi","%s,0",s);
+ emitcode ("xrl", "r0,r0");
+ emitcode ("cpi", "%s,0", s);
}
else {
- emitcode("cpc","r0,%s",s);
+ emitcode ("cpc", "r0,%s", s);
}
break;
-
+
case AOP_STR:
aop->coff = offset;
- if (strcmp(aop->aopu.aop_str[offset],s))
- emitcode ("mov","%s,%s",aop->aopu.aop_str[offset],s);
+ if (strcmp (aop->aopu.aop_str[offset], s))
+ emitcode ("mov", "%s,%s", aop->aopu.aop_str[offset],
+ s);
break;
case AOP_STK_D:
- emitcode ("std","y+%d,%s",offset,s);
+ emitcode ("std", "y+%d,%s", offset, s);
break;
- default :
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut got unsupported aop->type");
- exit(0);
- }
+ default:
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "aopPut got unsupported aop->type");
+ exit (0);
+ }
}
-
-/*-----------------------------------------------------------------*/
-/* reAdjustPreg - points a register back to where it should */
-/*-----------------------------------------------------------------*/
-static void reAdjustPreg (asmop *aop)
-{
- int size ;
-
- aop->coff = 0;
- if ((size = aop->size) <= 1)
- return ;
- size-- ;
- switch (aop->type) {
- case AOP_X :
- case AOP_Z :
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,size);
- break;
- }
-
-}
-
-#define AOP(op) op->aop
-#define AOP_TYPE(op) AOP(op)->type
-#define AOP_SIZE(op) AOP(op)->size
-#define IS_AOP_PREG(x) (AOP(x) && (AOP_TYPE(x) == AOP_X || \
- AOP_TYPE(x) == AOP_Z))
-#define AOP_INPREG(x) (x && (x->type == AOP_REG && \
- (x->aopu.aop_reg[0] == avr_regWithIdx(R26_IDX) || \
- x->aopu.aop_reg[0] == avr_regWithIdx(R30_IDX) )))
+
+#define AOP(op) op->aop
+#define AOP_TYPE(op) AOP(op)->type
+#define AOP_SIZE(op) AOP(op)->size
+#define IS_AOP_PREG(x) (AOP(x) && (AOP_TYPE(x) == AOP_X || \
+ AOP_TYPE(x) == AOP_Z))
+#define AOP_INPREG(x) (x && (x->type == AOP_REG && \
+ ((x->aopu.aop_reg[0] == avr_regWithIdx(R26_IDX) && x->aopu.aop_reg[1] == avr_regWithIdx(R27_IDX)) || \
+ (x->aopu.aop_reg[0] == avr_regWithIdx(R30_IDX) && x->aopu.aop_reg[1] == avr_regWithIdx(R31_IDX)) )))
+#define AOP_ISX(x) (x && (x->type == AOP_REG && \
+ ((x->aopu.aop_reg[0] == avr_regWithIdx(R26_IDX) && x->aopu.aop_reg[1] == avr_regWithIdx(R27_IDX)))))
+#define AOP_ISZ(x) (x && (x->type == AOP_REG && \
+ ((x->aopu.aop_reg[0] == avr_regWithIdx(R30_IDX) && x->aopu.aop_reg[1] == avr_regWithIdx(R31_IDX)))))
/*-----------------------------------------------------------------*/
/* genNotFloat - generates not for float operations */
/*-----------------------------------------------------------------*/
-static void genNotFloat (operand *op, operand *res)
+static void
+genNotFloat (operand * op, operand * res)
{
int size, offset;
char *l;
- symbol *tlbl ;
+ symbol *tlbl;
- /* we will put 127 in the first byte of
+ /* we will put 127 in the first byte of
the result */
- aopPut(AOP(res),"127",0);
- size = AOP_SIZE(op) - 1;
+ aopPut (AOP (res), "127", 0);
+ size = AOP_SIZE (op) - 1;
offset = 1;
- l = aopGet(op->aop,offset++);
- MOVR0(l);
+ l = aopGet (op->aop, offset++);
+ MOVR0 (l);
- while(size--) {
- emitcode("or","R0,%s", aopGet(op->aop, offset++));
+ while (size--) {
+ emitcode ("or", "R0,%s", aopGet (op->aop, offset++));
}
- tlbl = newiTempLabel(NULL);
+ tlbl = newiTempLabel (NULL);
- tlbl = newiTempLabel(NULL);
- aopPut(res->aop,zero,1);
- emitcode("cpi","r0,0");
- emitcode("breq","L%05d",tlbl->key);
- aopPut(res->aop,one,1);
- emitcode("","L%05d:",tlbl->key);
+ tlbl = newiTempLabel (NULL);
+ aopPut (res->aop, zero, 1);
+ emitcode ("cpi", "r0,0");
+ emitcode ("breq", "L%05d", tlbl->key);
+ aopPut (res->aop, one, 1);
+ emitcode ("", "L%05d:", tlbl->key);
size = res->aop->size - 2;
- offset = 2;
+ offset = 2;
/* put zeros in the rest */
- while (size--)
- aopPut(res->aop,zero,offset++);
+ while (size--)
+ aopPut (res->aop, zero, offset++);
}
/*-----------------------------------------------------------------*/
-/* opIsGptr: returns non-zero if the passed operand is */
-/* a generic pointer type. */
-/*-----------------------------------------------------------------*/
-static int opIsGptr(operand *op)
+/* opIsGptr: returns non-zero if the passed operand is */
+/* a generic pointer type. */
+/*-----------------------------------------------------------------*/
+static int
+opIsGptr (operand * op)
{
- sym_link *type = operandType(op);
-
- if ((AOP_SIZE(op) == GPTRSIZE) && IS_GENPTR(type))
- {
- return 1;
- }
- return 0;
+ sym_link *type = operandType (op);
+
+ if ((AOP_SIZE (op) == GPTRSIZE) && IS_GENPTR (type)) {
+ return 1;
+ }
+ return 0;
}
/*-----------------------------------------------------------------*/
/* getDataSize - get the operand data size */
/*-----------------------------------------------------------------*/
-static int getDataSize(operand *op)
+static int
+getDataSize (operand * op)
{
int size;
- size = AOP_SIZE(op);
- if (size == GPTRSIZE)
- {
- sym_link *type = operandType(op);
- if (IS_GENPTR(type))
- {
- /* generic pointer; arithmetic operations
- * should ignore the high byte (pointer type).
- */
- size--;
- }
- }
- return size;
-}
-
-/*-----------------------------------------------------------------*/
-/* outAcc - output Acc */
-/*-----------------------------------------------------------------*/
-static void outAcc(operand *result)
-{
- int size, offset;
- size = getDataSize(result);
- if(size){
- aopPut(AOP(result),"r0",0);
- size--;
- offset = 1;
- /* unsigned or positive */
- while(size--){
- aopPut(AOP(result),zero,offset++);
+ size = AOP_SIZE (op);
+ if (size == GPTRSIZE) {
+ sym_link *type = operandType (op);
+ if (IS_GENPTR (type)) {
+ /* generic pointer; arithmetic operations
+ * should ignore the high byte (pointer type).
+ */
+ size--;
}
}
-}
-
-/*-----------------------------------------------------------------*/
-/* outBitC - output a bit C */
-/*-----------------------------------------------------------------*/
-static void outBitC(operand *result)
-{
- emitcode("clr","r0");
- emitcode("rol","r0");
- outAcc(result);
+ return size;
}
/*-----------------------------------------------------------------*/
/* toBoolean - emit code for orl a,operator(sizeop) */
/*-----------------------------------------------------------------*/
-static void toBoolean(operand *oper, char *r, bool clr)
+static void
+toBoolean (operand * oper, char *r, bool clr)
{
- int size = AOP_SIZE(oper) ;
+ int size = AOP_SIZE (oper);
int offset = 0;
- if (clr) emitcode ("clr","%s",r);
- while (size--)
- emitcode("or","%s,%s",r,aopGet(AOP(oper),offset++));
+ if (clr) {
+ emitcode ("clr", "%s", r);
+ while (size--)
+ emitcode ("or", "%s,%s", r, aopGet (AOP (oper), offset++));
+ } else {
+ size--;
+ emitcode("mov","%s,%s",r,aopGet (AOP (oper), offset++));
+ if (size) while (size--) emitcode ("or", "%s,%s", r, aopGet (AOP (oper), offset++));
+ }
}
/*-----------------------------------------------------------------*/
/* genNot - generate code for ! operation */
/*-----------------------------------------------------------------*/
-static void genNot (iCode *ic)
+static void
+genNot (iCode * ic)
{
symbol *tlbl;
- sym_link *optype = operandType(IC_LEFT(ic));
+ sym_link *optype = operandType (IC_LEFT (ic));
int size, offset = 1;
/* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
/* if type float then do float */
- if (IS_FLOAT(optype)) {
- genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
+ if (IS_FLOAT (optype)) {
+ genNotFloat (IC_LEFT (ic), IC_RESULT (ic));
goto release;
}
- emitcode("clr","r0");
- tlbl = newiTempLabel(NULL);
- size = AOP_SIZE(IC_LEFT(ic));
+ emitcode ("clr", "r24");
+ tlbl = newiTempLabel (NULL);
+ size = AOP_SIZE (IC_LEFT (ic));
offset = 0;
if (size == 1) {
- emitcode("cpse","%s,r0",aopGet(AOP(IC_LEFT(ic)),0));
+ emitcode ("cpse", "%s,r24", aopGet (AOP (IC_LEFT (ic)), 0));
}
else {
while (size--) {
- if (offset) emitcode("cpc","%s,r0",aopGet(AOP(IC_LEFT(ic)),offset));
- else emitcode("cpi","%s,0",aopGet(AOP(IC_LEFT(ic)),offset));
+ if (offset)
+ emitcode ("cpc", "%s,r24",
+ aopGet (AOP (IC_LEFT (ic)),
+ offset));
+ else
+ emitcode ("cpi", "%s,0",
+ aopGet (AOP (IC_LEFT (ic)),
+ offset));
offset++;
}
- emitcode("bne","L%05d",tlbl->key);
+ emitcode ("bne", "L%05d", tlbl->key);
}
- emitcode("ldi","r0,1");
- emitcode("","L%05d:",tlbl->key);
- aopPut(AOP(IC_RESULT(ic)),"r0",0);
- size = AOP_SIZE(IC_RESULT(ic)) -1;
+ emitcode ("ldi", "r24,1");
+ emitcode ("", "L%05d:", tlbl->key);
+ aopPut (AOP (IC_RESULT (ic)), "r24", 0);
+ size = AOP_SIZE (IC_RESULT (ic)) - 1;
offset = 1;
- while (size--) aopPut(AOP(IC_RESULT(ic)),zero,offset++);
-
+ while (size--)
+ aopPut (AOP (IC_RESULT (ic)), zero, offset++);
+
- release:
+ release:
/* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? 0 : 1));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genCpl - generate code for complement */
/*-----------------------------------------------------------------*/
-static void genCpl (iCode *ic)
+static void
+genCpl (iCode * ic)
{
int offset = 0;
- int size ;
+ int size;
int samer;
/* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
- samer = sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RESULT(ic)));
- size = AOP_SIZE(IC_RESULT(ic));
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
+ samer = sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic)));
+ size = AOP_SIZE (IC_RESULT (ic));
while (size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset);
+ char *l = aopGet (AOP (IC_LEFT (ic)), offset);
if (samer) {
- emitcode ("com","%s",l);
- } else {
- aopPut(AOP(IC_RESULT(ic)),l,offset);
- emitcode ("com","%s",aopGet(AOP(IC_RESULT(ic)),offset));
+ emitcode ("com", "%s", l);
+ }
+ else {
+ aopPut (AOP (IC_RESULT (ic)), l, offset);
+ emitcode ("com", "%s",
+ aopGet (AOP (IC_RESULT (ic)), offset));
}
offset++;
}
/* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? 0 : 1));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genUminusFloat - unary minus for floating points */
/*-----------------------------------------------------------------*/
-static void genUminusFloat(operand *op,operand *result)
+static void
+genUminusFloat (operand * op, operand * result)
{
- int size ,offset =0 ;
+ int size, offset = 0;
char *l;
- /* for this we just need to flip the
+ /* for this we just need to flip the
first it then copy the rest in place */
- size = AOP_SIZE(op) - 1;
- l = aopGet(AOP(op),3);
-
- emitcode("ldi","r24,0x80");
- if (sameRegs(AOP(op),AOP(result))) {
- emitcode("eor","%s,r24",l);
- } else {
- aopPut(AOP(result),l,3);
- emitcode("eor","%s,r24",aopGet(AOP(result),3));
+ size = AOP_SIZE (op) - 1;
+ l = aopGet (AOP (op), 3);
+
+ emitcode ("ldi", "r24,0x80");
+ if (sameRegs (AOP (op), AOP (result))) {
+ emitcode ("eor", "%s,r24", l);
+ }
+ else {
+ aopPut (AOP (result), l, 3);
+ emitcode ("eor", "%s,r24", aopGet (AOP (result), 3));
}
- while(size--) {
- aopPut(AOP(result), aopGet(AOP(op),offset), offset);
+ while (size--) {
+ aopPut (AOP (result), aopGet (AOP (op), offset), offset);
offset++;
- }
+ }
}
/*-----------------------------------------------------------------*/
/* genUminus - unary minus code generation */
/*-----------------------------------------------------------------*/
-static void genUminus (iCode *ic)
+static void
+genUminus (iCode * ic)
{
- int offset ,size ;
+ int offset, size;
sym_link *optype, *rtype;
- int samer ;
+ int samer;
/* assign asmops */
- aopOp(IC_LEFT(ic),ic,FALSE);
- aopOp(IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
- optype = operandType(IC_LEFT(ic));
- rtype = operandType(IC_RESULT(ic));
+ optype = operandType (IC_LEFT (ic));
+ rtype = operandType (IC_RESULT (ic));
/* if float then do float stuff */
- if (IS_FLOAT(optype)) {
- genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
+ if (IS_FLOAT (optype)) {
+ genUminusFloat (IC_LEFT (ic), IC_RESULT (ic));
goto release;
}
/* otherwise subtract from zero */
- size = AOP_SIZE(IC_LEFT(ic));
- offset = 0 ;
- samer = sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RESULT(ic)));
+ size = AOP_SIZE (IC_LEFT (ic));
+ offset = 0;
+ samer = sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic)));
if (size == 1) {
if (samer) {
- emitcode("neg","%s",aopGet(AOP(IC_LEFT(ic)),0));
- } else {
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),0),0);
- emitcode("neg","%s",aopGet(AOP(IC_RESULT(ic)),0));
+ emitcode ("neg", "%s",
+ aopGet (AOP (IC_LEFT (ic)), 0));
}
- } else {
+ else {
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_LEFT (ic)), 0), 0);
+ emitcode ("neg", "%s",
+ aopGet (AOP (IC_RESULT (ic)), 0));
+ }
+ }
+ else {
offset = size - 1;
- while(size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset);
+ while (size--) {
+ char *l = aopGet (AOP (IC_LEFT (ic)), offset);
if (!samer) {
- aopPut(AOP(IC_RESULT(ic)),l,offset);
- l = aopGet(AOP(IC_RESULT(ic)),offset);
+ aopPut (AOP (IC_RESULT (ic)), l, offset);
+ l = aopGet (AOP (IC_RESULT (ic)), offset);
}
- if (offset) emitcode("com","%s",l);
- else emitcode("neg","%s",l);
+ if (offset)
+ emitcode ("com", "%s", l);
+ else
+ emitcode ("neg", "%s", l);
offset--;
}
- size = AOP_SIZE(IC_LEFT(ic)) -1;
- offset = 1 ;
+ size = AOP_SIZE (IC_LEFT (ic)) - 1;
+ offset = 1;
while (size--) {
- emitcode("sbci","%s,lo8(-1)",aopGet(AOP(IC_RESULT(ic)),offset++));
+ emitcode ("sbci", "%s,0xff",
+ aopGet (AOP (IC_RESULT (ic)), offset++));
}
}
/* 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))))) {
- symbol *tlbl = newiTempLabel(NULL);
- emitcode("clr","r0");
- emitcode("brcc","L%05d",tlbl->key);
- emitcode("com","r0");
- emitcode("","L%05d:",tlbl->key);
- while (size--)
- aopPut(AOP(IC_RESULT(ic)),"r0",offset++);
- }
-
- release:
+ if ((size = (AOP_SIZE (IC_RESULT (ic)) - AOP_SIZE (IC_LEFT (ic))))) {
+ symbol *tlbl = newiTempLabel (NULL);
+ emitcode ("clr", "r0");
+ emitcode ("brcc", "L%05d", tlbl->key);
+ emitcode ("com", "r0");
+ emitcode ("", "L%05d:", tlbl->key);
+ while (size--)
+ aopPut (AOP (IC_RESULT (ic)), "r0", offset++);
+ }
+
+ release:
/* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? 0 : 1));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
-/* assignResultValue - */
+/* assignResultValue - */
/*-----------------------------------------------------------------*/
-static void assignResultValue(operand * oper)
+static void
+assignResultValue (operand * oper)
{
int offset = 0;
- int size = AOP_SIZE(oper);
+ int size = AOP_SIZE (oper);
while (size--) {
- aopPut(AOP(oper),fAVRReturn[offset],offset);
+ aopPut (AOP (oper), fAVRReturn[offset], offset);
offset++;
}
}
/*-----------------------------------------------------------------*/
/* saveZreg - if indirect call then save z-pointer register */
/*-----------------------------------------------------------------*/
-static void saveZreg (iCode *ic)
+static void
+saveZreg (iCode * ic)
{
/* only if live accross this call */
- if (ic->regsSaved == 0 &&
- (bitVectBitValue(ic->rMask,R30_IDX) ||
- bitVectBitValue(ic->rMask,R31_IDX))) {
+ if (ic->regsSaved == 0 &&
+ (bitVectBitValue (ic->rMask, R30_IDX) ||
+ bitVectBitValue (ic->rMask, R31_IDX))) {
ic->regsSaved = 1;
- emitcode("push","r30");
- emitcode("push","r31");
+ emitcode ("push", "r30");
+ emitcode ("push", "r31");
}
}
/*-----------------------------------------------------------------*/
/* popZreg - restore values of zreg */
/*-----------------------------------------------------------------*/
-static void popZreg (iCode *ic)
+static void
+popZreg (iCode * ic)
{
if (ic->regsSaved) {
- emitcode ("pop","r31");
- emitcode ("pop","r30");
+ emitcode ("pop", "r31");
+ emitcode ("pop", "r30");
}
}
/*-----------------------------------------------------------------*/
/* genIpush - genrate code for pushing this gets a little complex */
/*-----------------------------------------------------------------*/
-static void genIpush (iCode *ic)
+static void
+genIpush (iCode * ic)
{
- int size, offset = 0 ;
+ int size, offset = 0;
char *l;
if (!ic->parmPush) {
/* and the item is spilt then do nothing */
- if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
- return ;
- } else {
- iCode *lic ;
- for (lic = ic->next ; lic ; lic = lic->next)
- if (lic->op == PCALL) break;
- if (lic) saveZreg(lic);
+ if (OP_SYMBOL (IC_LEFT (ic))->isspilt)
+ return;
+ }
+ else {
+ iCode *lic;
+ for (lic = ic->next; lic; lic = lic->next)
+ if (lic->op == PCALL)
+ break;
+ if (lic)
+ saveZreg (lic);
}
/* this is a paramter push */
- aopOp(IC_LEFT(ic),ic,FALSE);
- size = AOP_SIZE(IC_LEFT(ic));
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_LEFT (ic));
while (size--) {
- l = aopGet(AOP(IC_LEFT(ic)),offset++);
- emitcode("push","%s",l);
- }
+ l = aopGet (AOP (IC_LEFT (ic)), offset++);
+ emitcode ("push", "%s", l);
+ }
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genIpop - recover the registers: can happen only for spilling */
/*-----------------------------------------------------------------*/
-static void genIpop (iCode *ic)
+static void
+genIpop (iCode * ic)
{
- int size,offset ;
+ int size, offset;
/* if the temp was not pushed then */
- if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
- return ;
+ if (OP_SYMBOL (IC_LEFT (ic))->isspilt)
+ return;
- aopOp(IC_LEFT(ic),ic,FALSE);
- size = AOP_SIZE(IC_LEFT(ic));
- offset = (size-1);
- while (size--)
- emitcode("pop","%s",aopGet(AOP(IC_LEFT(ic)),offset--));
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_LEFT (ic));
+ offset = (size - 1);
+ while (size--)
+ emitcode ("pop", "%s", aopGet (AOP (IC_LEFT (ic)), offset--));
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genCall - generates a call statement */
/*-----------------------------------------------------------------*/
-static void genCall (iCode *ic)
+static void
+genCall (iCode * ic)
{
- /* if send set is not empty the assign */
+ /* if send set is not empty then assign */
if (_G.sendSet) {
- iCode *sic ;
+ iCode *sic;
int rnum = 16;
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
+ for (sic = setFirstItem (_G.sendSet); sic;
+ sic = setNextItem (_G.sendSet)) {
int size, offset = 0;
- aopOp(IC_LEFT(sic),sic,FALSE);
- size = AOP_SIZE(IC_LEFT(sic));
+ aopOp (IC_LEFT (sic), sic, FALSE);
+ size = AOP_SIZE (IC_LEFT (sic));
while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset);
+ char *l =
+ aopGet (AOP (IC_LEFT (sic)), offset);
char *b = buffer;
- sprintf(buffer,"r%d",rnum++);
- if (strcmp(l,b))
- emitcode("mov","%s,%s",b,l);
+ sprintf (buffer, "r%d", rnum++);
+ if (strcmp (l, b))
+ emitcode ("mov", "%s,%s", b, l);
offset++;
}
- freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
+ freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
}
_G.sendSet = NULL;
}
/* make the call */
- emitcode("call","%s",(OP_SYMBOL(IC_LEFT(ic))->rname[0] ?
- OP_SYMBOL(IC_LEFT(ic))->rname :
- OP_SYMBOL(IC_LEFT(ic))->name));
+ emitcode ("call", "%s", (OP_SYMBOL (IC_LEFT (ic))->rname[0] ?
+ OP_SYMBOL (IC_LEFT (ic))->rname :
+ OP_SYMBOL (IC_LEFT (ic))->name));
/* 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 ((IS_ITEMP (IC_RESULT (ic)) &&
+ (OP_SYMBOL (IC_RESULT (ic))->nRegs ||
+ OP_SYMBOL (IC_RESULT (ic))->spildir)) ||
+ IS_TRUE_SYMOP (IC_RESULT (ic))) {
- aopOp(IC_RESULT(ic),ic,FALSE);
- assignResultValue(IC_RESULT(ic));
- freeAsmop(IC_RESULT(ic),NULL, ic,TRUE);
+ aopOp (IC_RESULT (ic), ic, FALSE);
+ assignResultValue (IC_RESULT (ic));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/* adjust the stack for parameters if required */
- if (IC_LEFT(ic)->parmBytes) {
- if (IC_LEFT(ic)->parmBytes > 63) {
- emitcode("sbiw","r28,%d",IC_LEFT(ic)->parmBytes);
- } else {
- emitcode("subi","r28,lo8(%d)",IC_LEFT(ic)->parmBytes);
- emitcode("sbci","r29,hi8(%d)",IC_LEFT(ic)->parmBytes);
+ if (ic->parmBytes) {
+ if (ic->parmBytes > 63) {
+ emitcode ("sbiw", "r28,%d", ic->parmBytes);
+ }
+ else {
+ emitcode ("subi", "r28,<(%d)",
+ ic->parmBytes);
+ emitcode ("sbci", "r29,>(%d)",
+ ic->parmBytes);
}
}
/*-----------------------------------------------------------------*/
/* genPcall - generates a call by pointer statement */
/*-----------------------------------------------------------------*/
-static void genPcall (iCode *ic)
+static void
+genPcall (iCode * ic)
{
- if (!ic->regsSaved) saveZreg(ic);
+ if (!ic->regsSaved)
+ saveZreg (ic);
- aopOp(IC_LEFT(ic),ic,FALSE);
- emitcode("mov","r30",aopGet(AOP(IC_LEFT(ic)),0));
- emitcode("mov","r31",aopGet(AOP(IC_RIGHT(ic)),0));
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ emitcode ("mov", "r30", aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode ("mov", "r31", aopGet (AOP (IC_RIGHT (ic)), 0));
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
/* if send set is not empty the assign */
if (_G.sendSet) {
- iCode *sic ;
+ iCode *sic;
int rnum = 16;
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
+ for (sic = setFirstItem (_G.sendSet); sic;
+ sic = setNextItem (_G.sendSet)) {
int size, offset = 0;
- aopOp(IC_LEFT(sic),sic,FALSE);
- size = AOP_SIZE(IC_LEFT(sic));
+ aopOp (IC_LEFT (sic), sic, FALSE);
+ size = AOP_SIZE (IC_LEFT (sic));
while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset);
+ char *l =
+ aopGet (AOP (IC_LEFT (sic)), offset);
char *b = buffer;
- sprintf(b,"r%d",rnum++);
- if (strcmp(l,b))
- emitcode("mov","%s,%s",b,l);
+ sprintf (b, "r%d", rnum++);
+ if (strcmp (l, b))
+ emitcode ("mov", "%s,%s", b, l);
offset++;
}
- freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
+ freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
}
_G.sendSet = NULL;
}
- emitcode("icall","");
+ emitcode ("icall", "");
/* 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 ((IS_ITEMP (IC_RESULT (ic)) &&
+ (OP_SYMBOL (IC_RESULT (ic))->nRegs ||
+ OP_SYMBOL (IC_RESULT (ic))->spildir)) ||
+ IS_TRUE_SYMOP (IC_RESULT (ic))) {
- aopOp(IC_RESULT(ic),ic,FALSE);
+ aopOp (IC_RESULT (ic), ic, FALSE);
- assignResultValue(IC_RESULT(ic));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ assignResultValue (IC_RESULT (ic));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
- /* adjust the stack for parameters if
+ /* adjust the stack for parameters if
required */
- if (IC_LEFT(ic)->parmBytes) {
+ if (ic->parmBytes) {
int i;
- if (IC_LEFT(ic)->parmBytes > 3) {
- emitcode("mov","a,%s",spname);
- emitcode("add","a,#0x%02x", (- IC_LEFT(ic)->parmBytes) & 0xff);
- emitcode("mov","%s,a",spname);
- } else
- for ( i = 0 ; i < IC_LEFT(ic)->parmBytes ;i++)
- emitcode("dec","%s",spname);
+ if (ic->parmBytes > 3) {
+ emitcode ("mov", "a,%s", spname);
+ emitcode ("add", "a,#0x%02x",
+ (-ic->parmBytes) & 0xff);
+ emitcode ("mov", "%s,a", spname);
+ }
+ else
+ for (i = 0; i < ic->parmBytes; i++)
+ emitcode ("dec", "%s", spname);
}
/* adjust the stack for parameters if required */
- if (IC_LEFT(ic)->parmBytes) {
- if (IC_LEFT(ic)->parmBytes > 63) {
- emitcode("sbiw","r28,%d",IC_LEFT(ic)->parmBytes);
- } else {
- emitcode("subi","r28,lo8(%d)",IC_LEFT(ic)->parmBytes);
- emitcode("sbci","r29,hi8(%d)",IC_LEFT(ic)->parmBytes);
+ if (ic->parmBytes) {
+ if (ic->parmBytes > 63) {
+ emitcode ("sbiw", "r28,%d", ic->parmBytes);
+ }
+ else {
+ emitcode ("subi", "r28,<(%d)",
+ ic->parmBytes);
+ emitcode ("sbci", "r29,>(%d)",
+ ic->parmBytes);
}
}
- if (ic->regsSaved) popZreg(ic);
+ if (ic->regsSaved)
+ popZreg (ic);
}
/*-----------------------------------------------------------------*/
/* resultRemat - result is rematerializable */
/*-----------------------------------------------------------------*/
-static int resultRemat (iCode *ic)
+static int
+resultRemat (iCode * ic)
{
- if (SKIP_IC(ic) || ic->op == IFX)
+ if (SKIP_IC (ic) || ic->op == IFX)
return 0;
- if (IC_RESULT(ic) && IS_ITEMP(IC_RESULT(ic))) {
- symbol *sym = OP_SYMBOL(IC_RESULT(ic));
- if (sym->remat && !POINTER_SET(ic))
+ if (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;
}
-#if defined(__BORLANDC__) || defined(_MSC_VER)
-#define STRCASECMP stricmp
-#else
-#define STRCASECMP strcasecmp
-#endif
-
-/*-----------------------------------------------------------------*/
-/* inExcludeList - return 1 if the string is in exclude Reg list */
-/*-----------------------------------------------------------------*/
-static bool inExcludeList(char *s)
-{
- int i =0;
-
- if (options.excludeRegs[i] &&
- STRCASECMP(options.excludeRegs[i],"none") == 0)
- return FALSE ;
-
- for ( i = 0 ; options.excludeRegs[i]; i++) {
- if (options.excludeRegs[i] &&
- STRCASECMP(s,options.excludeRegs[i]) == 0)
- return TRUE;
- }
- return FALSE ;
-}
-
/*-----------------------------------------------------------------*/
/* genFunction - generated code for function entry */
/*-----------------------------------------------------------------*/
-static void genFunction (iCode *ic)
+static void
+genFunction (iCode * ic)
{
symbol *sym;
- sym_link *fetype;
+ sym_link *ftype;
int i = 0;
_G.nRegsSaved = 0;
/* create the function header */
- emitcode(";","-----------------------------------------");
- emitcode(";"," function %s",(sym = OP_SYMBOL(IC_LEFT(ic)))->name);
- emitcode(";","-----------------------------------------");
+ emitcode (";", "-----------------------------------------");
+ emitcode (";", " function %s",
+ (sym = OP_SYMBOL (IC_LEFT (ic)))->name);
+ emitcode (";", "-----------------------------------------");
- emitcode("","%s:",sym->rname);
- fetype = getSpec(operandType(IC_LEFT(ic)));
+ emitcode ("", "%s:", sym->rname);
+ ftype = operandType (IC_LEFT (ic));
/* if critical function then turn interrupts off */
- if (SPEC_CRTCL(fetype))
- emitcode("cli","");
+ if (IFFUNC_ISCRITICAL (ftype))
+ emitcode ("cli", "");
- if (IS_ISR(sym->etype)) {
+ if (IFFUNC_ISISR (sym->type)) {
}
/* save the preserved registers that are used in this function */
- for (i = R2_IDX ; i <= R15_IDX ; i++ ) {
- if (bitVectBitValue(sym->regsUsed,i)) {
+ for (i = R2_IDX; i <= R15_IDX; i++) {
+ if (bitVectBitValue (sym->regsUsed, i)) {
_G.nRegsSaved++;
- emitcode("push","%s",avr_regWithIdx(i)->name);
+ emitcode ("push", "%s", avr_regWithIdx (i)->name);
}
}
/* now for the pointer registers */
- if (bitVectBitValue(sym->regsUsed,R26_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R26_IDX)) {
_G.nRegsSaved++;
- emitcode("push","r26");
+ emitcode ("push", "r26");
}
- if (bitVectBitValue(sym->regsUsed,R27_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R27_IDX)) {
_G.nRegsSaved++;
- emitcode("push","r27");
+ emitcode ("push", "r27");
}
- if (bitVectBitValue(sym->regsUsed,R30_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R30_IDX)) {
_G.nRegsSaved++;
- emitcode("push","r30");
+ emitcode ("push", "r30");
}
- if (bitVectBitValue(sym->regsUsed,R31_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R31_IDX)) {
_G.nRegsSaved++;
- emitcode("push","r31");
+ emitcode ("push", "r31");
}
/* adjust the stack for the function */
if (sym->stack) {
- emitcode ("push","r28");
- emitcode ("push","r29");
- emitcode ("in","r28,__SP_L__");
- emitcode ("in","r29,__SP_H__");
+ emitcode ("push", "r28");
+ emitcode ("push", "r29");
+ emitcode ("in", "r28,__SP_L__");
+ emitcode ("in", "r29,__SP_H__");
if (sym->stack <= 63) {
- emitcode("sbiw","r28,%d",sym->stack);
- } else {
- emitcode ("subi","r28,lo8(%d)",sym->stack);
- emitcode ("sbci","r29,hi8(%d)",sym->stack);
+ emitcode ("sbiw", "r28,%d", sym->stack);
+ }
+ else {
+ emitcode ("subi", "r28,<(%d)", sym->stack);
+ emitcode ("sbci", "r29,>(%d)", sym->stack);
}
- emitcode("out","__SP_L__,r28");
- emitcode("out","__SP_H__,r29");
+ emitcode ("out", "__SP_L__,r28");
+ emitcode ("out", "__SP_H__,r29");
}
}
/*-----------------------------------------------------------------*/
/* genEndFunction - generates epilogue for functions */
/*-----------------------------------------------------------------*/
-static void genEndFunction (iCode *ic)
+static void
+genEndFunction (iCode * ic)
{
- symbol *sym = OP_SYMBOL(IC_LEFT(ic));
+ symbol *sym = OP_SYMBOL (IC_LEFT (ic));
int i;
/* restore stack pointer */
if (sym->stack) {
if (sym->stack <= 63) {
- emitcode("adiw","r28,%d",sym->stack);
- } else {
- emitcode ("subi","r28,lo8(-%d)",sym->stack);
- emitcode ("sbci","r29,hi8(-%d)",sym->stack);
+ emitcode ("adiw", "r28,%d", sym->stack);
}
- emitcode("out","__SP_L__,r28");
- emitcode("out","__SP_H__,r29");
+ else {
+ emitcode ("subi", "r28,<(-%d)", sym->stack);
+ emitcode ("sbci", "r29,>(-%d)", sym->stack);
+ }
+ emitcode ("out", "__SP_L__,r28");
+ emitcode ("out", "__SP_H__,r29");
/* pop frame pointer */
- emitcode ("pop","r29");
- emitcode ("pop","r28");
+ emitcode ("pop", "r29");
+ emitcode ("pop", "r28");
}
/* restore preserved registers */
- if (bitVectBitValue(sym->regsUsed,R31_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R31_IDX)) {
_G.nRegsSaved--;
- emitcode("pop","r31");
+ emitcode ("pop", "r31");
}
- if (bitVectBitValue(sym->regsUsed,R30_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R30_IDX)) {
_G.nRegsSaved--;
- emitcode("pop","r30");
+ emitcode ("pop", "r30");
}
- if (bitVectBitValue(sym->regsUsed,R27_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R27_IDX)) {
_G.nRegsSaved--;
- emitcode("push","r27");
+ emitcode ("pop", "r27");
}
- if (bitVectBitValue(sym->regsUsed,R26_IDX)) {
+ if (bitVectBitValue (sym->regsUsed, R26_IDX)) {
_G.nRegsSaved--;
- emitcode("push","r26");
+ emitcode ("pop", "r26");
}
- for (i = R15_IDX ; i >= R2_IDX ; i-- ) {
- if (bitVectBitValue(sym->regsUsed,i)) {
+ for (i = R15_IDX; i >= R2_IDX; i--) {
+ if (bitVectBitValue (sym->regsUsed, i)) {
_G.nRegsSaved--;
- emitcode("pop","%s",avr_regWithIdx(i)->name);
+ emitcode ("pop", "%s", avr_regWithIdx (i)->name);
}
}
- if (SPEC_CRTCL(sym->etype))
- emitcode("sti","");
+ if (IFFUNC_ISCRITICAL (sym->type))
+ emitcode ("sti", "");
- if (IS_ISR(sym->etype)) {
- emitcode("rti","");
- } else {
- emitcode("ret","");
+ if (options.debug && currFunc) {
+ debugFile->writeEndFunction (currFunc, ic, 1);
+ }
+
+ if (IFFUNC_ISISR (sym->type)) {
+ emitcode ("rti", "");
+ }
+ else {
+ emitcode ("ret", "");
}
}
/*-----------------------------------------------------------------*/
/* genRet - generate code for return statement */
/*-----------------------------------------------------------------*/
-static void genRet (iCode *ic)
+static void
+genRet (iCode * ic)
{
- int size,offset = 0 ;
-
+ int size, offset = 0;
+
/* if we have no return value then
just generate the "ret" */
- if (!IC_LEFT(ic))
- goto jumpret;
-
+ 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));
-
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_LEFT (ic));
+
while (size--) {
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) {
- emitcode("ldi","%s,%s(%d)",fAVRReturn[offset],larray[offset],
- (int)floatFromVal (AOP(IC_LEFT(ic))->aopu.aop_lit),offset);
- } else {
- char *l ;
- l = aopGet(AOP(IC_LEFT(ic)),offset);
- if (strcmp(fAVRReturn[offset],l))
- emitcode("mov","%s,%s",fAVRReturn[offset],l);
+ if (AOP_TYPE (IC_LEFT (ic)) == AOP_LIT) {
+ emitcode ("ldi", "%s,%s(%d)", fAVRReturn[offset],
+ larray[offset],
+ (int) floatFromVal (AOP (IC_LEFT (ic))->
+ aopu.aop_lit), offset);
+ }
+ else {
+ char *l;
+ l = aopGet (AOP (IC_LEFT (ic)), offset);
+ if (strcmp (fAVRReturn[offset], l))
+ emitcode ("mov", "%s,%s", fAVRReturn[offset],
+ l);
}
offset++;
- }
+ }
- freeAsmop (IC_LEFT(ic),NULL,ic,TRUE);
-
- jumpret:
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
+
+ jumpret:
/* generate a jump to the return label
if the next is not the return statement */
if (!(ic->next && ic->next->op == LABEL &&
- IC_LABEL(ic->next) == returnLabel))
-
- emitcode("rjmp","L%05d",returnLabel->key);
-
+ IC_LABEL (ic->next) == returnLabel))
+
+ emitcode ("rjmp", "L%05d", returnLabel->key);
+
}
/*-----------------------------------------------------------------*/
/* genLabel - generates a label */
/*-----------------------------------------------------------------*/
-static void genLabel (iCode *ic)
+static void
+genLabel (iCode * ic)
{
/* special case never generate */
- if (IC_LABEL(ic) == entryLabel)
- return ;
+ if (IC_LABEL (ic) == entryLabel)
+ return;
- emitcode("","L%05d:",IC_LABEL(ic)->key);
+ emitcode ("", "L%05d:", IC_LABEL (ic)->key);
}
/*-----------------------------------------------------------------*/
/* genGoto - generates a ljmp */
/*-----------------------------------------------------------------*/
-static void genGoto (iCode *ic)
-{
- emitcode ("rjmp","L%05d:",(IC_LABEL(ic)->key+100));
-}
-
-/*-----------------------------------------------------------------*/
-/* 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. */
-/*-----------------------------------------------------------------*/
-static int findLabelBackwards(iCode *ic, int key)
+static void
+genGoto (iCode * ic)
{
- int count = 0;
-
- 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;
+ emitcode ("rjmp", "L%05d", (IC_LABEL (ic)->key));
}
/*-----------------------------------------------------------------*/
/* genPlusIncr :- does addition with increment if possible */
/*-----------------------------------------------------------------*/
-static bool genPlusIncr (iCode *ic)
+static bool
+genPlusIncr (iCode * ic)
{
- unsigned int icount ;
-
+ unsigned int icount;
+ int offset = 0;
+
/* will try to generate an increment */
- /* if the right side is not a literal
+ /* if the right side is not a literal
we cannot */
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT)
- return FALSE ;
-
- icount = floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
-
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
+ return FALSE;
+
+ icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.
+ aop_lit);
+
/* if the sizes are greater than 2 or they are not the same regs
then we cannot */
- if (!sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RESULT(ic))))
- return FALSE ;
-
+ if (!sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic))))
+ return FALSE;
+
/* so we know LEFT & RESULT in the same registers and add
amount <= 63 */
/* for short & char types */
- if (AOP_SIZE(IC_RESULT(ic)) < 2) {
+ if (AOP_SIZE (IC_RESULT (ic)) < 2) {
if (icount == 1) {
- emitcode("inc","%s",aopGet(AOP(IC_LEFT(ic)),0));
+ emitcode ("inc", "%s",
+ aopGet (AOP (IC_LEFT (ic)), 0));
return TRUE;
- }
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_LEFT(ic)),0),-icount);
- return TRUE;
+ }
+ if (AOP_ISHIGHREG( AOP (IC_LEFT (ic)),0)) {
+ emitcode ("subi", "%s,<(%d)",
+ aopGet (AOP (IC_LEFT (ic)), 0), 0-icount);
+ return TRUE;
+ }
+ }
+
+ for (offset = 0 ; offset < AOP_SIZE(IC_RESULT(ic)) ; offset++) {
+ if (!(AOP_ISHIGHREG(AOP(IC_RESULT(ic)),offset))) return FALSE;
}
- if (AOP_SIZE(IC_RESULT(ic)) <= 3) {
+ if (AOP_SIZE (IC_RESULT (ic)) <= 3) {
/* if register pair and starts with 26/30 then adiw */
- if (isRegPair(AOP(IC_RESULT(ic))) && icount > 0 && icount < 64 &&
- ( IS_REGIDX(AOP(IC_RESULT(ic)),R26_IDX) ||
- IS_REGIDX(AOP(IC_RESULT(ic)),R30_IDX) )) {
- emitcode("adiw","%s,%d",aopGet(AOP(IC_RESULT(ic)),0),icount);
+ if (isRegPair (AOP (IC_RESULT (ic))) && icount > 0
+ && icount < 64
+ && (IS_REGIDX (AOP (IC_RESULT (ic)), R26_IDX) ||
+ IS_REGIDX (AOP (IC_RESULT (ic)), R24_IDX) ||
+ IS_REGIDX (AOP (IC_RESULT (ic)), R30_IDX))) {
+ emitcode ("adiw", "%s,%d",
+ aopGet (AOP (IC_RESULT (ic)), 0), icount);
return TRUE;
}
-
+
/* use subi */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),-icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),-icount);
+ emitcode ("subi", "%s,<(%d)",
+ aopGet (AOP (IC_RESULT (ic)), 0), 0-icount);
+ emitcode ("sbci", "%s,>(%d)",
+ aopGet (AOP (IC_RESULT (ic)), 1), 0-icount);
return TRUE;
}
/* for 32 bit longs */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),-icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),-icount);
- emitcode("sbci","%s,hlo8(%d)",aopGet(AOP(IC_RESULT(ic)),2),-icount);
- emitcode("sbci","%s,hhi8(%d)",aopGet(AOP(IC_RESULT(ic)),3),-icount);
+ emitcode ("subi", "%s,<(%d)", aopGet (AOP (IC_RESULT (ic)), 0),
+ 0-icount);
+ emitcode ("sbci", "%s,>(%d)", aopGet (AOP (IC_RESULT (ic)), 1),
+ 0-icount);
+ emitcode ("sbci", "%s,hlo8(%d)", aopGet (AOP (IC_RESULT (ic)), 2),
+ 0-icount);
+ emitcode ("sbci", "%s,hhi8(%d)", aopGet (AOP (IC_RESULT (ic)), 3),
+ 0-icount);
return TRUE;
-
+
}
/* This is the pure and virtuous version of this code.
- * I'm pretty certain it's right, but not enough to toss the old
+ * I'm pretty certain it's right, but not enough to toss the old
* code just yet...
*/
-static void adjustArithmeticResult (iCode *ic)
+static void
+adjustArithmeticResult (iCode * ic)
{
- if (opIsGptr(IC_RESULT(ic)) &&
- opIsGptr(IC_LEFT(ic)) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))))
- {
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_LEFT(ic)), GPTRSIZE - 1),
- GPTRSIZE - 1);
- }
-
- if (opIsGptr(IC_RESULT(ic)) &&
- opIsGptr(IC_RIGHT(ic)) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic))))
- {
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_RIGHT(ic)),GPTRSIZE - 1),
- GPTRSIZE - 1);
- }
-
- if (opIsGptr(IC_RESULT(ic)) &&
- AOP_SIZE(IC_LEFT(ic)) < GPTRSIZE &&
- AOP_SIZE(IC_RIGHT(ic)) < GPTRSIZE &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic)))) {
+ if (opIsGptr (IC_RESULT (ic)) &&
+ opIsGptr (IC_LEFT (ic)) &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)))) {
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_LEFT (ic)), GPTRSIZE - 1),
+ GPTRSIZE - 1);
+ }
+
+ if (opIsGptr (IC_RESULT (ic)) &&
+ opIsGptr (IC_RIGHT (ic)) &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic)))) {
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_RIGHT (ic)), GPTRSIZE - 1),
+ GPTRSIZE - 1);
+ }
+
+ if (opIsGptr (IC_RESULT (ic)) &&
+ AOP_SIZE (IC_LEFT (ic)) < GPTRSIZE &&
+ AOP_SIZE (IC_RIGHT (ic)) < GPTRSIZE &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))) &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic)))) {
char buffer[5];
- sprintf(buffer,"%d",pointerCode(getSpec(operandType(IC_LEFT(ic)))));
- aopPut(AOP(IC_RESULT(ic)),buffer,GPTRSIZE - 1);
+ sprintf (buffer, "%d",
+ pointerCode (getSpec (operandType (IC_LEFT (ic)))));
+ aopPut (AOP (IC_RESULT (ic)), buffer, GPTRSIZE - 1);
}
}
/*-----------------------------------------------------------------*/
/* genPlus - generates code for addition */
/*-----------------------------------------------------------------*/
-static void genPlus (iCode *ic)
+static void
+genPlus (iCode * ic)
{
int size, offset = 0;
int samer;
/* special cases :- */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RIGHT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RIGHT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
/* if I can do an increment instead
of add then GOOD for ME */
if (genPlusIncr (ic) == TRUE)
- goto release;
-
- size = getDataSize(IC_RESULT(ic));
- samer = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic)));
+ goto release;
- while(size--) {
- if (!samer)
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),offset),offset);
+ size = getDataSize (IC_RESULT (ic));
+ samer = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)));
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT) {
+ while (size--) {
+ if (!samer)
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_LEFT (ic)), offset), offset);
- if(offset == 0) l = "add";
- else l = "adc";
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT) {
- emitcode(l,"%s,%s",aopGet(AOP(IC_RESULT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- } else {
- if (offset == 0) l = "subi";
- else l = "sbci";
+ if (offset == 0)
+ l = "add";
+ else
+ l = "adc";
- emitcode(l,"%s,%s(-%d)",aopGet(AOP(IC_RESULT(ic)),offset),
- larray[offset],
- (int)floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
+ emitcode (l, "%s,%s",
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ else {
+ if (AOP_ISHIGHREG( AOP( IC_RESULT(ic)),offset)) {
+ if (offset == 0)
+ l = "subi";
+ else
+ l = "sbci";
+
+ emitcode (l, "%s,%s(-%d)",
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ larray[offset],
+ (int) floatFromVal (AOP (IC_RIGHT (ic))->
+ aopu.aop_lit));
+ } else {
+ if (offset == 0)
+ l = "add";
+ else
+ l = "adc";
+
+ emitcode (l, "%s,%s",
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
}
offset++;
}
- adjustArithmeticResult(ic);
+ adjustArithmeticResult (ic);
- release:
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RIGHT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ freeAsmop (IC_LEFT (ic), NULL, ic,
+ (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RIGHT (ic), NULL, ic,
+ (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genMinusDec :- does subtraction with deccrement if possible */
/*-----------------------------------------------------------------*/
-static bool genMinusDec (iCode *ic)
+static bool
+genMinusDec (iCode * ic)
{
- unsigned int icount ;
-
+ unsigned int icount;
+ int offset ;
+
/* will try to generate an increment */
- /* if the right side is not a literal
+ /* if the right side is not a literal
we cannot */
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT)
- return FALSE ;
-
- icount = floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
-
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
+ return FALSE;
+
+ icount =
+ (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.
+ aop_lit);
+
/* if the sizes are greater than 2 or they are not the same regs
then we cannot */
- if (!sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RIGHT(ic))))
- return FALSE ;
-
+ if (!sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic))))
+ return FALSE;
+
/* so we know LEFT & RESULT in the same registers and add
amount <= 63 */
/* for short & char types */
- if (AOP_SIZE(IC_RESULT(ic)) < 2) {
+ if (AOP_SIZE (IC_RESULT (ic)) < 2) {
if (icount == 1) {
- emitcode("dec","%s",aopGet(AOP(IC_LEFT(ic)),0));
+ emitcode ("dec", "%s",
+ aopGet (AOP (IC_LEFT (ic)), 0));
return TRUE;
- }
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_LEFT(ic)),0),icount);
- return TRUE;
+ }
+ if (AOP_ISHIGHREG( AOP ( IC_LEFT(ic)),0)) {
+ emitcode ("subi", "%s,<(%d)",
+ aopGet (AOP (IC_LEFT (ic)), 0), icount);
+ return TRUE;
+ }
+ }
+
+ for (offset = 0 ; offset < AOP_SIZE(IC_RESULT(ic)) ; offset++) {
+ if (!(AOP_ISHIGHREG(AOP(IC_RESULT(ic)),offset))) return FALSE;
}
- if (AOP_SIZE(IC_RESULT(ic)) <= 3) {
+ if (AOP_SIZE (IC_RESULT (ic)) <= 3) {
/* if register pair and starts with 26/30 then adiw */
- if (isRegPair(AOP(IC_RESULT(ic))) && icount > 0 && icount < 64 &&
- ( IS_REGIDX(AOP(IC_RESULT(ic)),R26_IDX) ||
- IS_REGIDX(AOP(IC_RESULT(ic)),R30_IDX) )) {
- emitcode("sbiw","%s,%d",aopGet(AOP(IC_RESULT(ic)),0),icount);
+ if (isRegPair (AOP (IC_RESULT (ic))) && icount > 0
+ && icount < 64
+ && (IS_REGIDX (AOP (IC_RESULT (ic)), R26_IDX) ||
+ IS_REGIDX (AOP (IC_RESULT (ic)), R24_IDX) ||
+ IS_REGIDX (AOP (IC_RESULT (ic)), R30_IDX))) {
+ emitcode ("sbiw", "%s,%d",
+ aopGet (AOP (IC_RESULT (ic)), 0), icount);
return TRUE;
}
-
+
/* use subi */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),icount);
+ emitcode ("subi", "%s,<(%d)",
+ aopGet (AOP (IC_RESULT (ic)), 0), icount);
+ emitcode ("sbci", "%s,>(%d)",
+ aopGet (AOP (IC_RESULT (ic)), 1), icount);
return TRUE;
}
/* for 32 bit longs */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),icount);
- emitcode("sbci","%s,hlo8(%d)",aopGet(AOP(IC_RESULT(ic)),2),icount);
- emitcode("sbci","%s,hhi8(%d)",aopGet(AOP(IC_RESULT(ic)),3),icount);
+ emitcode ("subi", "%s,<(%d)", aopGet (AOP (IC_RESULT (ic)), 0),
+ icount);
+ emitcode ("sbci", "%s,>(%d)", aopGet (AOP (IC_RESULT (ic)), 1),
+ icount);
+ emitcode ("sbci", "%s,hlo8(%d)", aopGet (AOP (IC_RESULT (ic)), 2),
+ icount);
+ emitcode ("sbci", "%s,hhi8(%d)", aopGet (AOP (IC_RESULT (ic)), 3),
+ icount);
return TRUE;
}
-/*-----------------------------------------------------------------*/
-/* addSign - complete with sign */
-/*-----------------------------------------------------------------*/
-static void addSign(operand *result, int offset, int sign)
-{
- int size = (getDataSize(result) - offset);
- if(size > 0){
- if(sign){
- emitcode("rlc","a");
- emitcode("subb","a,acc");
- while(size--)
- aopPut(AOP(result),"a",offset++);
- } else
- while(size--)
- aopPut(AOP(result),zero,offset++);
- }
-}
-
/*-----------------------------------------------------------------*/
/* genMinus - generates code for subtraction */
/*-----------------------------------------------------------------*/
-static void genMinus (iCode *ic)
+static void
+genMinus (iCode * ic)
{
int size, offset = 0, samer;
char *l;
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RIGHT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
-
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RIGHT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
+
/* if I can do an decrement instead
of subtract then GOOD for ME */
if (genMinusDec (ic) == TRUE)
- goto release;
-
- size = getDataSize(IC_RESULT(ic));
- samer = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic)));
- while (size--) {
- if (!samer)
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),offset),offset);
+ goto release;
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT) {
+ size = getDataSize (IC_RESULT (ic));
+ samer = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)));
+ while (size--) {
+ if (!samer)
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_LEFT (ic)), offset), offset);
- if(offset == 0) l = "sub";
- else l = "sbc";
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT) {
- emitcode(l,"%s,%s",aopGet(AOP(IC_RESULT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- } else {
- if (offset == 0) l = "subi";
- else l = "sbci";
+ if (offset == 0)
+ l = "sub";
+ else
+ l = "sbc";
- emitcode(l,"%s,%s(%d)",aopGet(AOP(IC_RESULT(ic)),offset),
- larray[offset],
- (int)floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
+ emitcode (l, "%s,%s",
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ else {
+ if (AOP_ISHIGHREG(AOP (IC_RESULT (ic)),offset)) {
+ if (offset == 0)
+ l = "subi";
+ else
+ l = "sbci";
+
+ emitcode (l, "%s,%s(%d)",
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ larray[offset],
+ (int) floatFromVal (AOP (IC_RIGHT (ic))->
+ aopu.aop_lit));
+ } else {
+ if (offset == 0)
+ l = "sub";
+ else
+ l = "sbc";
+
+ emitcode (l, "%s,%s",
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
}
offset++;
}
- adjustArithmeticResult(ic);
-
- release:
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RIGHT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ adjustArithmeticResult (ic);
+
+ release:
+ freeAsmop (IC_LEFT (ic), NULL, ic,
+ (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RIGHT (ic), NULL, ic,
+ (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genMultOneByte : 8 bit multiplication & division */
/*-----------------------------------------------------------------*/
-static void genMultOneByte (operand *left,
- operand *right,
- operand *result)
+static void
+genMultOneByte (operand * left, operand * right, operand * result)
{
- sym_link *opetype = operandType(result);
- symbol *lbl ;
- int size,offset;
-
+ sym_link *opetype = operandType (result);
+ symbol *lbl;
+ int size, offset;
+
/* (if two literals, the value is computed before) */
/* if one literal, literal on the right */
- if (AOP_TYPE(left) == AOP_LIT){
+ if (AOP_TYPE (left) == AOP_LIT) {
operand *t = right;
right = left;
left = t;
}
-
- size = AOP_SIZE(result);
- if (SPEC_USIGN(opetype)) {
- emitcode("mul","%s,%s", aopGet(AOP(left),0),aopGet(AOP(right),0));
- } else {
- emitcode("muls","%s,%s", aopGet(AOP(left),0),
- aopGet(AOP(right),0));
+ size = AOP_SIZE (result);
+
+ if (SPEC_USIGN (opetype)) {
+ emitcode ("mul", "%s,%s", aopGet (AOP (left), 0),
+ aopGet (AOP (right), 0));
}
- aopPut(AOP(result),"r0",0);
- if (size > 1){
- aopPut(AOP(result),"r1",1);
+ else {
+ emitcode ("muls", "%s,%s", aopGet (AOP (left), 0),
+ aopGet (AOP (right), 0));
+ }
+ aopPut (AOP (result), "r0", 0);
+ if (size > 1) {
+ aopPut (AOP (result), "r1", 1);
offset = 2;
size -= 2;
- if (SPEC_USIGN(opetype)) {
- while(size--) {
- aopPut(AOP(result),zero,offset++);
+ if (SPEC_USIGN (opetype)) {
+ while (size--) {
+ aopPut (AOP (result), zero, offset++);
}
- } else {
+ }
+ else {
if (size) {
- lbl = newiTempLabel(NULL);
- emitcode("ldi","r24,0");
- emitcode("brcc","L%05d",lbl->key);
- emitcode("ldi","r24,lo8(-1)");
- emitcode("","L%05d:",lbl->key);
- while (size--) aopPut(AOP(result),"r24",offset++);
+ lbl = newiTempLabel (NULL);
+ emitcode ("ldi", "r24,0");
+ emitcode ("brcc", "L%05d", lbl->key);
+ emitcode ("ldi", "r24,0xff)");
+ emitcode ("", "L%05d:", lbl->key);
+ while (size--)
+ aopPut (AOP (result), "r24",
+ offset++);
}
}
}
/*-----------------------------------------------------------------*/
/* genMult - generates code for multiplication */
/*-----------------------------------------------------------------*/
-static void genMult (iCode *ic)
+static void
+genMult (iCode * ic)
{
- operand *left = IC_LEFT(ic);
- operand *right = IC_RIGHT(ic);
- operand *result= IC_RESULT(ic);
+ operand *left = IC_LEFT (ic);
+ operand *right = IC_RIGHT (ic);
+ operand *result = IC_RESULT (ic);
/* assign the amsops */
- aopOp (left,ic,FALSE);
- aopOp (right,ic,FALSE);
- aopOp (result,ic,TRUE);
+ aopOp (left, ic, FALSE);
+ aopOp (right, ic, FALSE);
+ aopOp (result, ic, TRUE);
/* if both are of size == 1 */
- if (AOP_SIZE(left) == 1 &&
- AOP_SIZE(right) == 1 ) {
- genMultOneByte(left,right,result);
- goto release ;
+ if (AOP_SIZE (left) == 1 && AOP_SIZE (right) == 1) {
+ genMultOneByte (left, right, result);
+ goto release;
}
- /* should have been converted to function call */
- assert(1) ;
+ /* should have been converted to function call */
+ assert (0);
- release :
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ release:
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genDiv - generates code for division */
/*-----------------------------------------------------------------*/
-static void genDiv (iCode *ic)
+static void
+genDiv (iCode * ic)
{
/* should have been converted to function call */
- assert(1);
+ assert (0);
}
/*-----------------------------------------------------------------*/
/* genMod - generates code for division */
/*-----------------------------------------------------------------*/
-static void genMod (iCode *ic)
+static void
+genMod (iCode * ic)
{
/* should have been converted to function call */
- assert(1);
+ assert (0);
}
/*-----------------------------------------------------------------*/
/* revavrcnd - reverse a conditional for avr */
/*-----------------------------------------------------------------*/
-static int revavrcnd(int type)
+static int
+revavrcnd (int type)
{
static struct {
int type, rtype;
- } rar[] = { { AVR_EQ, AVR_NE}, {AVR_LT, AVR_GE}};
+ } rar[] = {
+ {
+ AVR_EQ, AVR_NE}
+ , {
+ AVR_LT, AVR_GE}
+ };
int i;
- for (i = 0 ; i < (sizeof(rar)/sizeof(rar[0]));i++) {
- if (rar[i].type == type) return rar[i].rtype;
- if (rar[i].rtype== type) return rar[i].type;
+ for (i = 0; i < (sizeof (rar) / sizeof (rar[0])); i++) {
+ if (rar[i].type == type)
+ return rar[i].rtype;
+ if (rar[i].rtype == type)
+ return rar[i].type;
}
- assert(1); /* cannot happen */
- return 0; /* makes the compiler happy */
+ assert (0); /* cannot happen */
+ return 0; /* makes the compiler happy */
}
-static char *br_name[4] = {"breq","brne","brlt","brge"};
-static char *br_uname[4]= {"breq","brne","brlo","brcc"};
+static char *br_name[4] = { "breq", "brne", "brlt", "brge" };
+static char *br_uname[4] = { "breq", "brne", "brlo", "brcc" };
/*-----------------------------------------------------------------*/
/* genBranch - generate the branch instruction */
/*-----------------------------------------------------------------*/
-static void genBranch (iCode *ifx, int br_type, int sign)
+static void
+genBranch (iCode * ifx, int br_type, int sign)
{
- int tj = (IC_TRUE(ifx) ? 1 : 0) ;
+ int tj = (IC_TRUE (ifx) ? 1 : 0);
- if (tj) { /* if true jump */
+ if (tj) { /* if true jump */
char *nm = (sign ? br_name[br_type] : br_uname[br_type]);
- emitcode(nm,"L%05d",IC_TRUE(ifx)->key);
- } else { /* if false jump */
- int rtype = revavrcnd(br_type);
+ emitcode (nm, "L%05d", IC_TRUE (ifx)->key);
+ }
+ else { /* if false jump */
+ int rtype = revavrcnd (br_type);
char *nm = (sign ? br_name[rtype] : br_uname[rtype]);
- emitcode(nm,"L%05d",IC_FALSE(ifx)->key);
+ emitcode (nm, "L%05d", IC_FALSE (ifx)->key);
}
ifx->generated = 1;
}
/*-----------------------------------------------------------------*/
/* genCmp - compare & jump */
/*-----------------------------------------------------------------*/
-static void genCmp (iCode *ic, iCode *ifx, int br_type)
+static void
+genCmp (iCode * ic, iCode * ifx, int br_type)
{
operand *left, *right, *result;
- sym_link *letype , *retype;
+ sym_link *letype, *retype;
symbol *lbl;
- int sign, size, offset =0;
+ int sign, size, offset = 0;
- left = IC_LEFT(ic);
- right= IC_RIGHT(ic);
- result = IC_RESULT(ic);
+ left = IC_LEFT (ic);
+ right = IC_RIGHT (ic);
+ result = IC_RESULT (ic);
- letype = getSpec(operandType(left));
- retype =getSpec(operandType(right));
- sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype));
+ letype = getSpec (operandType (left));
+ retype = getSpec (operandType (right));
+ sign = !(SPEC_USIGN (letype) | SPEC_USIGN (retype));
/* assign the amsops */
- aopOp (left,ic,FALSE);
- aopOp (right,ic,FALSE);
- aopOp (result,ic,TRUE);
- size = AOP_SIZE(left);
+ aopOp (left, ic, FALSE);
+ aopOp (right, ic, FALSE);
+ aopOp (result, ic, TRUE);
+ size = AOP_SIZE (left);
if (ifx) {
if (size == 1) {
- if (AOP_TYPE(right) == AOP_LIT) {
- emitcode("cpi","%s,lo8(%d)",aopGet(AOP(left),0),
- (int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
- genBranch(ifx,br_type,sign);
- } else { /* right != literal */
- emitcode("cp","%s,%s",aopGet(AOP(left),0),aopGet(AOP(right),0));
- genBranch(ifx,br_type,sign);
+ if (AOP_TYPE (right) == AOP_LIT) {
+ emitcode ("cpi", "%s,<(%d)",
+ aopGet (AOP (left), 0),
+ (int)
+ floatFromVal (AOP (IC_RIGHT (ic))->
+ aopu.aop_lit));
+ genBranch (ifx, br_type, sign);
}
- } else { /* size != 1 */
+ else { /* right != literal */
+ emitcode ("cp", "%s,%s",
+ aopGet (AOP (left), 0),
+ aopGet (AOP (right), 0));
+ genBranch (ifx, br_type, sign);
+ }
+ }
+ else { /* size != 1 */
while (size--) {
- if (offset == 0)
- emitcode("cp","%s,%s",aopGet(AOP(left),0),aopGet(AOP(right),0));
+ if (offset == 0)
+ emitcode ("cp", "%s,%s",
+ aopGet (AOP (left), 0),
+ aopGet (AOP (right), 0));
else
- emitcode("cpc","%s,%s",aopGet(AOP(left),offset),aopGet(AOP(right),offset));
+ emitcode ("cpc", "%s,%s",
+ aopGet (AOP (left), offset),
+ aopGet (AOP (right),
+ offset));
offset++;
}
- genBranch(ifx,br_type,sign);
+ genBranch (ifx, br_type, sign);
}
- } else { /* no ifx */
- emitcode("clr","r0");
+ }
+ else { /* no ifx */
+ emitcode ("clr", "r0");
while (size--) {
- if (offset == 0)
- emitcode("cp","%s,%s",aopGet(AOP(left),0),aopGet(AOP(right),0));
+ if (offset == 0)
+ emitcode ("cp", "%s,%s",
+ aopGet (AOP (left), 0),
+ aopGet (AOP (right), 0));
else
- emitcode("cpc","%s,%s",aopGet(AOP(left),offset),aopGet(AOP(right),offset));
+ emitcode ("cpc", "%s,%s",
+ aopGet (AOP (left), offset),
+ aopGet (AOP (right), offset));
offset++;
}
- lbl = newiTempLabel(NULL);
- br_type = revavrcnd(br_type);
- if (sign) emitcode(br_uname[br_type],"L%05d",lbl->key);
- else emitcode(br_name[br_type],"L%05d",lbl->key);
- emitcode("inc","r0");
- emitcode("","L%05d:",lbl->key);
- aopPut(AOP(result),"r0",0);
- size = AOP_SIZE(result) - 1;
+ lbl = newiTempLabel (NULL);
+ br_type = revavrcnd (br_type);
+ if (sign)
+ emitcode (br_uname[br_type], "L%05d", lbl->key);
+ else
+ emitcode (br_name[br_type], "L%05d", lbl->key);
+ emitcode ("inc", "r0");
+ emitcode ("", "L%05d:", lbl->key);
+ aopPut (AOP (result), "r0", 0);
+ size = AOP_SIZE (result) - 1;
offset = 1;
- while (size--) aopPut(AOP(result),zero,offset++);
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
}
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genCmpGt :- greater than comparison */
/*-----------------------------------------------------------------*/
-static void genCmpGt (iCode *ic, iCode *ifx)
+static void
+genCmpGt (iCode * ic, iCode * ifx)
{
/* should have transformed by the parser */
- assert(1);
+ assert (0);
}
/*-----------------------------------------------------------------*/
/* genCmpLt - less than comparisons */
/*-----------------------------------------------------------------*/
-static void genCmpLt (iCode *ic, iCode *ifx)
+static void
+genCmpLt (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_LT);
+ genCmp (ic, ifx, AVR_LT);
}
/*-----------------------------------------------------------------*/
/* genCmpEq - generates code for equal to */
/*-----------------------------------------------------------------*/
-static void genCmpEq (iCode *ic, iCode *ifx)
+static void
+genCmpEq (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_EQ);
+ genCmp (ic, ifx, AVR_EQ);
}
/*-----------------------------------------------------------------*/
/* genCmpNe - generates code for not equal to */
/*-----------------------------------------------------------------*/
-static void genCmpNe (iCode *ic, iCode *ifx)
+static void
+genCmpNe (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_NE);
+ genCmp (ic, ifx, AVR_NE);
}
/*-----------------------------------------------------------------*/
/* genCmpGe - generates code for greater than equal to */
/*-----------------------------------------------------------------*/
-static void genCmpGe (iCode *ic, iCode *ifx)
+static void
+genCmpGe (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_GE);
+ genCmp (ic, ifx, AVR_GE);
}
/*-----------------------------------------------------------------*/
/* genCmpLe - generates code for less than equal to */
/*-----------------------------------------------------------------*/
-static void genCmpLe (iCode *ic, iCode *ifx)
+static void
+genCmpLe (iCode * ic, iCode * ifx)
{
- operand *left = IC_LEFT(ic);
- operand *right= IC_RIGHT(ic);
-
- IC_RIGHT(ic) = left;
- IC_LEFT(ic) = right;
- genCmp(ic,ifx,AVR_GE);
+ operand *left = IC_LEFT (ic);
+ operand *right = IC_RIGHT (ic);
+
+ IC_RIGHT (ic) = left;
+ IC_LEFT (ic) = right;
+ genCmp (ic, ifx, AVR_GE);
}
/*-----------------------------------------------------------------*/
/* ifxForOp - returns the icode containing the ifx for operand */
/*-----------------------------------------------------------------*/
-static iCode *ifxForOp ( operand *op, iCode *ic )
+static iCode *
+ifxForOp (operand * op, iCode * ic)
{
/* if true symbol then needs to be assigned */
- if (IS_TRUE_SYMOP(op))
- return NULL ;
+ if (IS_TRUE_SYMOP (op))
+ return NULL;
- /* if this has register type condition and
- the next instruction is ifx with the same operand
- and live to of the operand is upto the ifx only then */
+ /* if this has register type condition and
+ the next instruction is ifx with the same operand
+ and live to of the operand is upto the ifx only then */
if (ic->next &&
ic->next->op == IFX &&
- IC_COND(ic->next)->key == op->key &&
- OP_SYMBOL(op)->liveTo <= ic->next->seq )
- return ic->next;
+ IC_COND (ic->next)->key == op->key &&
+ OP_SYMBOL (op)->liveTo <= ic->next->seq) return ic->next;
return NULL;
}
+
/*-----------------------------------------------------------------*/
/* genAndOp - for && operation */
/*-----------------------------------------------------------------*/
-static void genAndOp (iCode *ic)
+static void
+genAndOp (iCode * ic)
{
- operand *left,*right, *result;
+ operand *left, *right, *result;
symbol *tlbl;
- int size , offset;
+ int size, offset;
/* note here that && operations that are in an
if statement are taken away by backPatchLabels
only those used in arthmetic operations remain */
- aopOp((left=IC_LEFT(ic)),ic,FALSE);
- aopOp((right=IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,FALSE);
-
- tlbl = newiTempLabel(NULL);
- toBoolean(left,"r0",TRUE);
- toBoolean(right,"r1",TRUE);
- emitcode("and","r0,r1");
- emitcode("ldi","r24,1");
- emitcode("breq","L%05d",tlbl->key);
- emitcode("dec","r24");
- emitcode("","L%05d:",tlbl->key);
- aopPut(AOP(result),"r24",0);
- size = AOP_SIZE(result) -1;
+ aopOp ((left = IC_LEFT (ic)), ic, FALSE);
+ aopOp ((right = IC_RIGHT (ic)), ic, FALSE);
+ aopOp ((result = IC_RESULT (ic)), ic, FALSE);
+
+ tlbl = newiTempLabel (NULL);
+ toBoolean (left, "r0", TRUE);
+ toBoolean (right, "r1", TRUE);
+ emitcode ("and", "r0,r1");
+ emitcode ("ldi", "r24,1");
+ emitcode ("breq", "L%05d", tlbl->key);
+ emitcode ("dec", "r24");
+ emitcode ("", "L%05d:", tlbl->key);
+ aopPut (AOP (result), "r24", 0);
+ size = AOP_SIZE (result) - 1;
offset = 1;
- while (size--) aopPut(AOP(result),zero,offset++);
-
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genOrOp - for || operation */
/*-----------------------------------------------------------------*/
-static void genOrOp (iCode *ic)
+static void
+genOrOp (iCode * ic)
{
- operand *left,*right, *result;
+ operand *left, *right, *result;
symbol *tlbl;
- int size , offset;
+ int size, offset;
/* note here that || operations that are in an
if statement are taken away by backPatchLabels
only those used in arthmetic operations remain */
- aopOp((left=IC_LEFT(ic)),ic,FALSE);
- aopOp((right=IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,FALSE);
-
- tlbl = newiTempLabel(NULL);
- toBoolean(left,"r0",TRUE);
- toBoolean(right,"r0",FALSE);
- emitcode("ldi","r24,1");
- emitcode("breq","L%05d",tlbl->key);
- emitcode("dec","r24");
- emitcode("","L%05d:",tlbl->key);
- aopPut(AOP(result),"r24",0);
- size = AOP_SIZE(result) -1;
+ aopOp ((left = IC_LEFT (ic)), ic, FALSE);
+ aopOp ((right = IC_RIGHT (ic)), ic, FALSE);
+ aopOp ((result = IC_RESULT (ic)), ic, FALSE);
+
+ tlbl = newiTempLabel (NULL);
+ toBoolean (left, "r0", TRUE);
+ toBoolean (right, "r0", FALSE);
+ emitcode ("ldi", "r24,1");
+ emitcode ("breq", "L%05d", tlbl->key);
+ emitcode ("dec", "r24");
+ emitcode ("", "L%05d:", tlbl->key);
+ aopPut (AOP (result), "r24", 0);
+ size = AOP_SIZE (result) - 1;
offset = 1;
- while (size--) aopPut(AOP(result),zero,offset++);
-
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
-}
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
-/*-----------------------------------------------------------------*/
-/* isLiteralBit - test if lit == 2^n */
-/*-----------------------------------------------------------------*/
-static int isLiteralBit(unsigned long lit)
-{
- unsigned long pw[32] = {1L,2L,4L,8L,16L,32L,64L,128L,
- 0x100L,0x200L,0x400L,0x800L,
- 0x1000L,0x2000L,0x4000L,0x8000L,
- 0x10000L,0x20000L,0x40000L,0x80000L,
- 0x100000L,0x200000L,0x400000L,0x800000L,
- 0x1000000L,0x2000000L,0x4000000L,0x8000000L,
- 0x10000000L,0x20000000L,0x40000000L,0x80000000L};
- int idx;
-
- for(idx = 0; idx < 32; idx++)
- if(lit == pw[idx])
- return idx+1;
- return 0;
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
-enum { AVR_AND = 0, AVR_OR, AVR_XOR };
-static char *bopnames_lit[] = {"andi","ori"};
-static char *bopnames[] = {"and","or","eor"};
+enum {
+ AVR_AND = 0, AVR_OR, AVR_XOR
+};
+static char *bopnames_lit[] = { "andi", "ori" };
+static char *bopnames[] = { "and", "or", "eor" };
/*-----------------------------------------------------------------*/
/* genBitWise - generate bitwise operations */
/*-----------------------------------------------------------------*/
-static void genBitWise(iCode *ic, iCode *ifx, int bitop)
+static void
+genBitWise (iCode * ic, iCode * ifx, int bitop)
{
operand *left, *right, *result;
- int size, offset=0;
+ int size, offset = 0;
char *l;
symbol *lbl, *lbl1;
- int samerl, samerr ;
+ int samerl, samerr;
+
+ aopOp ((left = IC_LEFT (ic)), ic, FALSE);
+ aopOp ((right = IC_RIGHT (ic)), ic, FALSE);
+ aopOp ((result = IC_RESULT (ic)), ic, TRUE);
- aopOp((left = IC_LEFT(ic)),ic,FALSE);
- aopOp((right= IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,TRUE);
-
- size = AOP_SIZE(left);
+ size = AOP_SIZE (left);
offset = 0;
- if (ifx) { /* used only for jumps */
- if (AOP_TYPE(right) == AOP_LIT &&
+ if (ifx) { /* used only for jumps */
+ if (AOP_TYPE (right) == AOP_LIT &&
(bitop == AVR_AND || bitop == AVR_OR)) {
- int lit = (int) floatFromVal (AOP(right)->aopu.aop_lit);
- int p2 = powof2(lit);
- if (bitop == AVR_AND && p2) { /* right side is a power of 2 */
- l = aopGet(AOP(left),p2 / 8);
- if (IC_TRUE(ifx)) {
- emitcode("sbrc","%s,%d",l,(p2 % 8));
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("sbrs","%s,%d",l,(p2 % 8));
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
+ int lit =
+ (int) floatFromVal (AOP (right)->aopu.
+ aop_lit);
+ int p2 = powof2 (lit);
+ if (bitop == AVR_AND && (p2 >= 0)) { /* right side is a power of 2 */
+ l = aopGet (AOP (left), p2 / 8);
+ if (IC_TRUE (ifx)) {
+ emitcode ("sbrc", "%s,%d", l,
+ (p2 % 8));
+ emitcode ("rjmp", "L%05d",
+ IC_TRUE (ifx)->key);
}
- } else { /* right not power of two */
- int eh = OP_SYMBOL(left)->liveTo <= ic->seq;
- if (size == 1) {
- if (eh) {
- emitcode(bopnames_lit[bitop],"%s,lo8(%d)",
- aopGet(AOP(IC_LEFT(ic)),0), lit);
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),0));
- emitcode(bopnames_lit[bitop],"r0,lo8(%d)",lit);
+ else {
+ emitcode ("sbrs", "%s,%d", l,
+ (p2 % 8));
+ emitcode ("rjmp", "L%05d",
+ IC_FALSE (ifx)->key);
+ }
+ }
+ else { /* right not power of two */
+ int eh = OP_SYMBOL (left)->liveTo <= ic->seq;
+ if (size == 1) {
+ if (eh && AOP_ISHIGHREG(AOP(IC_LEFT(ic)),0)) {
+ emitcode (bopnames_lit[bitop],
+ "%s,<(%d)",
+ aopGet (AOP (IC_LEFT (ic)), 0), lit);
}
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
+ else {
+ MOVR24 (aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode (bopnames_lit[bitop], "r24,<(%d)", lit);
}
- emitcode("","L%05d:",lbl->key);
- } else if (size == 2) {
- emitcode("mov","r24,%s",aopGet(AOP(IC_LEFT(ic)),0));
- emitcode("mov","r25,%s",aopGet(AOP(IC_LEFT(ic)),1));
- emitcode(bopnames_lit[bitop],"r24,lo8(%d)",lit);
- emitcode(bopnames_lit[bitop],"r25,hi8(%d)",lit);
- emitcode("sbiw","r24,0");
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx)) {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
}
- emitcode("","L%05d:",lbl->key);
- } else {
- lbl = newiTempLabel(NULL);
- lbl1 = newiTempLabel(NULL);
+ else {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)-> key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else if (size == 2) {
+ emitcode ("mov", "r24,%s", aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (IC_LEFT (ic)), 1));
+ emitcode (bopnames_lit[bitop], "r24,<(%d)", lit);
+ emitcode (bopnames_lit[bitop], "r25,>(%d)", lit);
+ emitcode ("sbiw", "r24,0");
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx)) {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else {
+ lbl = newiTempLabel (NULL);
+ lbl1 = newiTempLabel (NULL);
while (size--) {
- if (eh) {
- emitcode(bopnames_lit[bitop],"%s,lo8(%d)",
- aopGet(AOP(IC_LEFT(ic)),offset), lit);
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),offset));
- emitcode("andi","r0,lo8(%d)",lit);
+ if (eh && AOP_ISHIGHREG(AOP(IC_LEFT(ic)),offset)) {
+ emitcode (bopnames_lit [bitop], "%s,<(%d)",
+ aopGet (AOP (IC_LEFT (ic)), offset),
+ lit);
+ }
+ else {
+ char *l = aopGet (AOP (IC_LEFT (ic)), offset);
+ MOVR24 (l);
+ emitcode ("andi", "r24,<(%d)", lit);
}
- emitcode("brne","L%05d",lbl->key);
+ emitcode ("brne", "L%05d", lbl->key);
offset++;
}
/* all are zero */
- if (IC_FALSE(ifx)) emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- else emitcode("rjmp","L%05d",lbl1->key);
- emitcode("","L%05d:",lbl->key);
+ if (IC_FALSE (ifx))
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)-> key);
+ else
+ emitcode ("rjmp", "L%05d", lbl1->key);
+ emitcode ("", "L%05d:", lbl->key);
/* not zero */
- if (IC_TRUE(ifx)) emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- emitcode("","L%05d:",lbl1->key);
-
+ if (IC_TRUE (ifx))
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ emitcode ("", "L%05d:", lbl1->key);
+
}
}
- } else { /* right is not a literal */
- int eh = OP_SYMBOL(left)->liveTo <= ic->seq;
- int reh = OP_SYMBOL(right)->liveTo <= ic->seq;
+ }
+ else { /* right is not a literal */
+ int eh = OP_SYMBOL (left)->liveTo <= ic->seq;
+ int reh = OP_SYMBOL (right)->liveTo <= ic->seq;
if (size == 1) {
if (eh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_LEFT(ic)),0),
- aopGet(AOP(IC_RIGHT(ic)),0));
- } else if (reh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_RIGHT(ic)),0),
- aopGet(AOP(IC_LEFT(ic)),0));
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),0));
- emitcode(bopnames[bitop],"r0,%s",aopGet(AOP(IC_RIGHT(ic)),0));
+ emitcode (bopnames[bitop], "%s,%s", aopGet (AOP (IC_LEFT (ic)), 0),
+ aopGet (AOP (IC_RIGHT (ic)), 0));
}
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
+ else if (reh) {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_RIGHT (ic)), 0),
+ aopGet (AOP (IC_LEFT (ic)), 0));
}
- emitcode("","L%05d:",lbl->key);
- } else if (size == 2) {
- emitcode("mov","r24,%s",aopGet(AOP(IC_LEFT(ic)),0));
- emitcode("mov","r25,%s",aopGet(AOP(IC_LEFT(ic)),1));
- emitcode(bopnames[bitop],"r24,%s",aopGet(AOP(IC_RIGHT(ic)),0));
- emitcode(bopnames[bitop],"r25,%s",aopGet(AOP(IC_RIGHT(ic)),1));
- emitcode("sbiw","r24,0");
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
+ else {
+ MOVR0 (aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode (bopnames[bitop], "r0,%s",
+ aopGet (AOP (IC_RIGHT (ic)), 0));
+ }
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx)) {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d",
+ IC_TRUE (ifx)->key);
+ }
+ else {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d",
+ IC_FALSE (ifx)->key);
}
- emitcode("","L%05d:",lbl->key);
- } else {
- lbl = newiTempLabel(NULL);
- lbl1 = newiTempLabel(NULL);
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else if (size == 2) {
+ emitcode ("mov", "r24,%s",
+ aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode ("mov", "r25,%s",
+ aopGet (AOP (IC_LEFT (ic)), 1));
+ emitcode (bopnames[bitop], "r24,%s",
+ aopGet (AOP (IC_RIGHT (ic)), 0));
+ emitcode (bopnames[bitop], "r25,%s",
+ aopGet (AOP (IC_RIGHT (ic)), 1));
+ emitcode ("sbiw", "r24,0");
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx)) {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else {
+ lbl = newiTempLabel (NULL);
+ lbl1 = newiTempLabel (NULL);
while (size--) {
if (eh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_LEFT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- } else if (reh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_RIGHT(ic)),offset),
- aopGet(AOP(IC_LEFT(ic)),offset));
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),offset));
- emitcode(bopnames[bitop],"r0,%s",aopGet(AOP(IC_RIGHT(ic)),offset));
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_LEFT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ else if (reh) {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_RIGHT (ic)), offset),
+ aopGet (AOP (IC_LEFT (ic)), offset));
+ }
+ else {
+ MOVR0 (aopGet (AOP (IC_LEFT (ic)), offset));
+ emitcode (bopnames[bitop], "r0,%s",
+ aopGet (AOP (IC_RIGHT (ic)), offset));
}
- emitcode("brne","L%05d",lbl->key);
+ emitcode ("brne", "L%05d", lbl->key);
offset++;
}
/* all are zero */
- if (IC_FALSE(ifx)) emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- else emitcode("rjmp","L%05d",lbl1->key);
- emitcode("","L%05d:",lbl->key);
+ if (IC_FALSE (ifx))
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ else
+ emitcode ("rjmp", "L%05d", lbl1->key);
+ emitcode ("", "L%05d:", lbl->key);
/* not zero */
- if (IC_TRUE(ifx)) emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- emitcode("","L%05d:",lbl1->key);
-
+ if (IC_TRUE (ifx))
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ emitcode ("", "L%05d:", lbl1->key);
+
}
}
- goto release ;
+ goto release;
}
/* result needs to go a register */
- samerl = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic)));
- samerr = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic)));
+ samerl = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)));
+ samerr = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic)));
while (size--) {
- if (AOP_TYPE(right) == AOP_LIT) {
- unsigned int lit = (int) floatFromVal (AOP(right)->aopu.aop_lit);
- if (((lit >> (8*offset)) & 0xff) == 0) {
+ if (AOP_TYPE (right) == AOP_LIT) {
+ unsigned int lit =
+ (int) floatFromVal (AOP (right)->aopu.
+ aop_lit);
+ if (((lit >> (8 * offset)) & 0xff) == 0) {
if (bitop == AVR_AND) {
- aopPut(AOP(result),zero,offset++);
+ aopPut (AOP (result), zero, offset++);
continue;
- } else if (bitop == AVR_OR) {
+ }
+ else if (bitop == AVR_OR) {
if (!samerl)
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ aopPut (AOP (result),
+ aopGet (AOP (left),
+ offset),
+ offset);
offset++;
continue;
}
}
}
if (samerl) {
- if (AOP_TYPE(IC_RIGHT(ic)) == AOP_LIT && (bitop == AVR_AND || bitop == AVR_OR)) {
- emitcode(bopnames_lit[bitop],"%s,%s(%d)",aopGet(AOP(IC_LEFT(ic)),offset),
- larray[offset],(int) floatFromVal (AOP(right)->aopu.aop_lit));
- } else {
- emitcode(bopnames[bitop],"%s,%s",aopGet(AOP(IC_LEFT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
+ if (AOP_TYPE (IC_RIGHT (ic)) == AOP_LIT &&
+ AOP_ISHIGHREG(AOP(IC_LEFT(ic)),offset) &&
+ (bitop == AVR_AND || bitop == AVR_OR)) {
+ emitcode (bopnames_lit[bitop], "%s,%s(%d)",
+ aopGet (AOP (IC_LEFT (ic)), offset),
+ larray[offset],
+ (int) floatFromVal (AOP (right)-> aopu.aop_lit));
}
- } else if (samerr) {
- emitcode(bopnames[bitop],"%s,%s",aopGet(AOP(IC_RIGHT(ic)),offset),
- aopGet(AOP(IC_LEFT(ic)),offset));
- } else {
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),offset),offset);
- emitcode(bopnames[bitop],aopGet(AOP(IC_RESULT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
+ else {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_LEFT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ }
+ else if (samerr) {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_RIGHT (ic)), offset),
+ aopGet (AOP (IC_LEFT (ic)), offset));
+ }
+ else {
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_LEFT (ic)), offset), offset);
+ emitcode (bopnames[bitop],
+ aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
}
offset++;
}
-release :
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ release:
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genAnd - code for and */
/*-----------------------------------------------------------------*/
-static void genAnd (iCode *ic, iCode *ifx)
+static void
+genAnd (iCode * ic, iCode * ifx)
{
- genBitWise(ic,ifx,AVR_AND);
+ genBitWise (ic, ifx, AVR_AND);
}
/*-----------------------------------------------------------------*/
/* genOr - code for or */
/*-----------------------------------------------------------------*/
-static void genOr (iCode *ic, iCode *ifx)
+static void
+genOr (iCode * ic, iCode * ifx)
{
- genBitWise(ic,ifx,AVR_OR);
+ genBitWise (ic, ifx, AVR_OR);
}
/*-----------------------------------------------------------------*/
/* genXor - code for xclusive or */
/*-----------------------------------------------------------------*/
-static void genXor (iCode *ic, iCode *ifx)
+static void
+genXor (iCode * ic, iCode * ifx)
{
- genBitWise(ic,ifx,AVR_XOR);
+ genBitWise (ic, ifx, AVR_XOR);
}
/*-----------------------------------------------------------------*/
/* genInline - write the inline code out */
/*-----------------------------------------------------------------*/
-static void genInline (iCode *ic)
+static void
+genInline (iCode * ic)
{
- char buffer[MAX_INLINEASM];
- char *bp = buffer;
- char *bp1= buffer;
-
+ char *buffer, *bp, *bp1;
+
_G.inLine += (!options.asmpeep);
- strcpy(buffer,IC_INLINE(ic));
+
+ buffer = bp = bp1 = Safe_calloc(1, strlen(IC_INLINE(ic))+1);
+ strcpy (buffer, IC_INLINE (ic));
/* emit each line as a code */
while (*bp) {
if (*bp == '\n') {
*bp++ = '\0';
- emitcode(bp1,"");
+ emitcode (bp1, "");
bp1 = bp;
- } else {
+ }
+ else {
if (*bp == ':') {
bp++;
*bp = '\0';
bp++;
- emitcode(bp1,"");
+ emitcode (bp1, "");
bp1 = bp;
- } else
+ }
+ else
bp++;
}
}
if (bp1 != bp)
- emitcode(bp1,"");
+ emitcode (bp1, "");
/* emitcode("",buffer); */
_G.inLine -= (!options.asmpeep);
}
/*-----------------------------------------------------------------*/
/* genRotC - rotate right/left with carry , lr = 1 rotate right */
/*-----------------------------------------------------------------*/
-static void genRotC (iCode *ic, int lr)
+static void
+genRotC (iCode * ic, int lr)
{
- operand *left , *result ;
+ operand *left, *result;
int size, offset = 0;
/* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ 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);
- if (!sameRegs(AOP(left),AOP(result))) {
+ size = AOP_SIZE (result);
+ if (!sameRegs (AOP (left), AOP (result))) {
offset = 0;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(left),offset),
- offset);
+ aopPut (AOP (result),
+ aopGet (AOP (left), offset), offset);
offset++;
}
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
}
- if (lr) offset = size - 1;
- else offset = 0;
-
+ if (lr)
+ offset = size - 1;
+ else
+ offset = 0;
+
CLRC;
- emitcode ("sbrc","%s,%d",aopGet(AOP(result),offset),
+ emitcode ("sbrc", "%s,%d", aopGet (AOP (result), offset),
(lr ? 0 : 7));
- emitcode("sec","");
-
+ emitcode ("sec", "");
+
while (size--) {
- emitcode((lr ? "ror" : "rol"),"%s",aopGet(AOP(result),offset));
- if (lr) offset--;
- else offset++;
+ emitcode ((lr ? "ror" : "rol"), "%s",
+ aopGet (AOP (result), offset));
+ if (lr)
+ offset--;
+ else
+ offset++;
}
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genRRC - rotate right with carry */
/*-----------------------------------------------------------------*/
-static void genRRC (iCode *ic)
+static void
+genRRC (iCode * ic)
{
- genRotC(ic,1);
+ genRotC (ic, 1);
}
/*-----------------------------------------------------------------*/
/* genRLC - generate code for rotate left with carry */
/*-----------------------------------------------------------------*/
-static void genRLC (iCode *ic)
-{
- genRotC(ic,0);
+static void
+genRLC (iCode * ic)
+{
+ genRotC (ic, 0);
}
/*-----------------------------------------------------------------*/
/* genGetHbit - generates code get highest order bit */
/*-----------------------------------------------------------------*/
-static void genGetHbit (iCode *ic)
+static void
+genGetHbit (iCode * ic)
{
operand *left, *result;
- int size, offset ;
-
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
-
- size = AOP_SIZE(result);
- if (!sameRegs(AOP(left),AOP(result))) {
- emitcode("clr","%s",aopGet(AOP(result),size -1));
- emitcode("sbrc","%s,7",aopGet(AOP(left),size -1));
- emitcode("subi","%s,lo8(-1)",aopGet(AOP(result),size-1));
- } else {
- emitcode("clr","r0");
- emitcode("sbrc","%s,7",aopGet(AOP(left),size-1));
- emitcode("subi","r0,lo8(-1)");
- aopPut(AOP(result),"r0",0);
+ int size, offset;
+
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+
+ size = AOP_SIZE (result);
+ if (!sameRegs (AOP (left), AOP (result))) {
+ emitcode ("clr", "%s", aopGet (AOP (result), size - 1));
+ emitcode ("sbrc", "%s,7", aopGet (AOP (left), size - 1));
+ emitcode ("subi", "%s,<(-1)",
+ aopGet (AOP (result), size - 1));
+ }
+ else {
+ emitcode ("clr", "r0");
+ emitcode ("sbrc", "%s,7", aopGet (AOP (left), size - 1));
+ emitcode ("subi", "r0,<(-1)");
+ aopPut (AOP (result), "r0", 0);
}
offset = 1;
- size --;
+ size--;
while (size--) {
- emitcode("clr",aopGet(AOP(result),offset++));
+ emitcode ("clr", aopGet (AOP (result), offset++));
}
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genShiftLeftLit - shift left by a known amount */
/*-----------------------------------------------------------------*/
-static void genShiftLeftLit (iCode *ic)
+static void
+genShiftLeftLit (iCode * ic)
{
- operand *left,*right, *result;
- int size , shCount, offset =0;
- int lByteZ=0;
+ operand *left, *right, *result;
+ int size, shCount, offset = 0;
+ int lByteZ = 0;
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ right = IC_RIGHT (ic);
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
- shCount = (int)floatFromVal (AOP(right)->aopu.aop_lit);
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
+ shCount = (int) floatFromVal (AOP (right)->aopu.aop_lit);
- if (shCount > (size*8 -1)) {
- while (size--) aopPut(AOP(result),zero,offset++);
+ if (shCount > (size * 8 - 1)) {
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
goto release;
}
- switch(size) {
+ switch (size) {
case 1:
- if (!sameRegs(AOP(left),AOP(result)))
- aopPut(AOP(result),aopGet(AOP(left),0),0);
+ if (!sameRegs (AOP (left), AOP (result)))
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
if (shCount >= 4) {
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0xf0");
+ if (AOP_ISHIGHREG(AOP(result),0)) {
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "%s,0xf0");
+ } else {
+ emitcode ("ldi","r24,0xf0");
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("and", "%s,r24");
+ }
shCount -= 4;
}
if (shCount == 1) {
- emitcode("add","%s,%s",aopGet(AOP(result),0),aopGet(AOP(result),0));
+ emitcode ("add", "%s,%s", aopGet (AOP (result), 0),
+ aopGet (AOP (result), 0));
shCount--;
}
while (shCount--)
- emitcode("lsl","%s",aopGet(AOP(result),0));
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
break;
case 2:
if (shCount >= 12) {
- aopPut(AOP(result),aopGet(AOP(left),0),1);
- aopPut(AOP(result),zero,0);
- emitcode("swap","%s",aopGet(AOP(result),1));
- emitcode("andi","%s,0xf0",aopGet(AOP(result),1));
+ aopPut (AOP (result), aopGet (AOP (left), 0), 1);
+ aopPut (AOP (result), zero, 0);
+ emitcode ("swap", "%s", aopGet (AOP (result), 1));
+ if (AOP_ISHIGHREG(AOP(result),1)) {
+ emitcode ("andi", "%s,0xf0", aopGet (AOP (result), 1));
+ } else {
+ emitcode ("ldi","r24,0xf0");
+ emitcode ("and", "%s,r24", aopGet (AOP (result), 1));
+ }
shCount -= 12;
lByteZ = 1;
}
if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),0),1);
- aopPut(AOP(result),zero,0);
+ aopPut (AOP (result), aopGet (AOP (left), 0), 1);
+ aopPut (AOP (result), zero, 0);
shCount -= 8;
lByteZ = 1;
}
if (shCount >= 4) {
shCount -= 4;
- if (!sameRegs(AOP(left),AOP(result))) {
- aopPut(AOP(result),aopGet(AOP(left),0),0);
- aopPut(AOP(result),aopGet(AOP(left),1),1);
+ if (!sameRegs (AOP (left), AOP (result))) {
+ aopPut (AOP (result), aopGet (AOP (left), 0),
+ 0);
+ aopPut (AOP (result), aopGet (AOP (left), 1),
+ 1);
+ }
+ emitcode ("mov", "r24,%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "r24,0x0f");
+ if (!(AOP_ISHIGHREG(AOP(result),0) && AOP_ISHIGHREG(AOP(result),1))) {
+ emitcode("ldi","r25,0xf0");
}
- emitcode("mov","r1,%s",aopGet(AOP(result),0));
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0xf0",aopGet(AOP(result),0));
- emitcode("andi","r1,0x0f");
- emitcode("swap","%s",aopGet(AOP(result),1));
- emitcode("andi","%s,0xf0",aopGet(AOP(result),1));
- emitcode("or","%s,r1",aopGet(AOP(result),1));
- while(shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),0));
- emitcode("rol","%s",aopGet(AOP(result),1));
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ if (AOP_ISHIGHREG(AOP(result),0)) {
+ emitcode ("andi", "%s,0xf0", aopGet (AOP (result), 0));
+ } else {
+ emitcode ("and", "%s,r25", aopGet (AOP (result), 0));
+ }
+ emitcode ("swap", "%s", aopGet (AOP (result), 1));
+ if (AOP_ISHIGHREG(AOP(result),1)) {
+ emitcode ("andi", "%s,0xf0", aopGet (AOP (result), 1));
+ } else {
+ emitcode ("and", "%s,r25", aopGet (AOP (result), 1));
+ }
+ emitcode ("or", "%s,r24", aopGet (AOP (result), 1));
+ while (shCount--) {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ emitcode ("rol", "%s", aopGet (AOP (result), 1));
}
}
- if (!lByteZ && !sameRegs(AOP(result),AOP(left)) && shCount) {
+ if (!lByteZ && !sameRegs (AOP (result), AOP (left))
+ && shCount) {
offset = 0;
- while(size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ while (size--) {
+ aopPut (AOP (result),
+ aopGet (AOP (left), offset), offset);
offset++;
}
}
while (shCount--) {
if (lByteZ) {
- emitcode("lsl","%s",aopGet(AOP(result),1));
- } else {
- emitcode("lsl","%s",aopGet(AOP(result),0));
- emitcode("rol","%s",aopGet(AOP(result),1));
+ emitcode ("lsl", "%s", aopGet (AOP (result), 1));
+ }
+ else {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ emitcode ("rol", "%s", aopGet (AOP (result), 1));
}
}
break;
case 3:
- assert("shifting generic pointer ?\n");
+ assert ("shifting generic pointer ?\n");
break;
case 4:
/* 32 bits we do only byte boundaries */
if (shCount >= 24) {
- aopPut(AOP(result),aopGet(AOP(left),0),3);
- aopPut(AOP(result),zero,2);
- aopPut(AOP(result),zero,1);
- aopPut(AOP(result),zero,0);
+ aopPut (AOP (result), aopGet (AOP (left), 0), 3);
+ aopPut (AOP (result), zero, 2);
+ aopPut (AOP (result), zero, 1);
+ aopPut (AOP (result), zero, 0);
lByteZ = 3;
shCount -= 24;
}
if (shCount >= 16) {
- aopPut(AOP(result),aopGet(AOP(left),0),3);
- aopPut(AOP(result),aopGet(AOP(left),1),2);
- aopPut(AOP(result),zero,1);
- aopPut(AOP(result),zero,0);
+ aopPut (AOP (result), aopGet (AOP (left), 0), 3);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 2);
+ aopPut (AOP (result), zero, 1);
+ aopPut (AOP (result), zero, 0);
lByteZ = 2;
shCount -= 16;
}
if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),0),3);
- aopPut(AOP(result),aopGet(AOP(left),1),2);
- aopPut(AOP(result),aopGet(AOP(left),2),1);
- aopPut(AOP(result),zero,0);
+ aopPut (AOP (result), aopGet (AOP (left), 0), 3);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 2);
+ aopPut (AOP (result), aopGet (AOP (left), 2), 1);
+ aopPut (AOP (result), zero, 0);
shCount -= 8;
lByteZ = 1;
}
- if (!lByteZ && !sameRegs(AOP(left),AOP(right))) {
+ if (!lByteZ && !sameRegs (AOP (left), AOP (right))) {
offset = 0;
while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ aopPut (AOP (result),
+ aopGet (AOP (left), offset), offset);
offset++;
}
offset = 0;
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
}
if (shCount) {
switch (lByteZ) {
case 0:
while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),0));
- emitcode("rol","%s",aopGet(AOP(result),1));
- emitcode("rol","%s",aopGet(AOP(result),2));
- emitcode("rol","%s",aopGet(AOP(result),3));
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ emitcode ("rol", "%s", aopGet (AOP (result), 1));
+ emitcode ("rol", "%s", aopGet (AOP (result), 2));
+ emitcode ("rol", "%s", aopGet (AOP (result), 3));
}
break;
case 1:
while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),1));
- emitcode("rol","%s",aopGet(AOP(result),2));
- emitcode("rol","%s",aopGet(AOP(result),3));
+ emitcode ("lsl", "%s", aopGet (AOP (result), 1));
+ emitcode ("rol", "%s", aopGet (AOP (result), 2));
+ emitcode ("rol", "%s", aopGet (AOP (result), 3));
}
break;
case 2:
while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),2));
- emitcode("rol","%s",aopGet(AOP(result),3));
+ emitcode ("lsl", "%s", aopGet (AOP (result), 2));
+ emitcode ("rol", "%s", aopGet (AOP (result), 3));
}
break;
case 3:
while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),3));
+ emitcode ("lsl", "%s", aopGet (AOP (result), 3));
}
break;
}
}
}
- release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ release:
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genLeftShift - generates code for left shifting */
/*-----------------------------------------------------------------*/
-static void genLeftShift (iCode *ic)
+static void
+genLeftShift (iCode * ic)
{
- operand *left,*right, *result;
+ operand *left, *right, *result;
int size, offset;
symbol *tlbl;
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ right = IC_RIGHT (ic);
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
- aopOp(right,ic,FALSE);
+ aopOp (right, ic, FALSE);
- if (AOP_TYPE(right) == AOP_LIT) {
- genShiftLeftLit(ic);
- return ;
+ if (AOP_TYPE (right) == AOP_LIT) {
+ genShiftLeftLit (ic);
+ return;
}
/* unknown count */
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
offset = 0;
- if (AOP_SIZE(right) > 1) {
- if (isRegPair(AOP(right))) {
- emitcode("movw","r24,%s",aopGet(AOP(right),0));
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- emitcode("mov","r25,%s",aopGet(AOP(right),1));
+ if (AOP_SIZE (right) > 1) {
+ if (isRegPair (AOP (right))) {
+ emitcode ("movw", "r24,%s", aopGet (AOP (right), 0));
}
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
+ else {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (right), 1));
+ }
+ }
+ else {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
}
- if (!sameRegs(AOP(left),AOP(result))) {
+ if (!sameRegs (AOP (left), AOP (result))) {
while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ aopPut (AOP (result), aopGet (AOP (left), offset),
+ offset);
offset++;
}
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
}
- tlbl = newiTempLabel(NULL);
- emitcode("","L%05d:",tlbl->key);
+ tlbl = newiTempLabel (NULL);
+ emitcode ("", "L%05d:", tlbl->key);
offset = 0;
- while (size--) {
- if (offset) emitcode("rol","%s",aopGet(AOP(result),offset));
- else emitcode("lsl","%s",aopGet(AOP(result),0));
+ while (size--) {
+ if (offset)
+ emitcode ("rol", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
offset++;
}
- if (AOP_SIZE(right) > 1) emitcode("sbiw","r24,1");
- else emitcode("dec","r24");
- emitcode("brne","L%05d",tlbl->key);
-
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ if (AOP_SIZE (right) > 1)
+ emitcode ("sbiw", "r24,1");
+ else
+ emitcode ("dec", "r24");
+ emitcode ("brne", "L%05d", tlbl->key);
+
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genShiftRightLit - generate for right shift with known count */
/*-----------------------------------------------------------------*/
-static void genShiftRightLit (iCode *ic)
+static void
+genShiftRightLit (iCode * ic)
{
- operand *left = IC_LEFT(ic)
- ,*right= IC_RIGHT(ic)
- ,*result=IC_RESULT(ic);
- int size , shCount, offset =0;
- int hByteZ=0;
- sym_link *letype = getSpec(operandType(left));
- int sign = !SPEC_USIGN(letype);
-
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
-
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
- shCount = (int)floatFromVal (AOP(right)->aopu.aop_lit);
-
- /* if signed then give up and use a loop to shift */
+ operand *left = IC_LEFT (ic)
+ , *right = IC_RIGHT (ic)
+ , *result = IC_RESULT (ic);
+ int size, shCount, offset = 0;
+ int hByteZ = 0;
+ sym_link *letype = getSpec (operandType (left));
+ int sign = !SPEC_USIGN (letype);
+
+ right = IC_RIGHT (ic);
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
+
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
+ shCount = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+
+ /* if signed then give up and use a loop to shift */
if (sign) {
- symbol *tlbl ;
- if (!sameRegs(AOP(left),AOP(result))) {
+ symbol *tlbl;
+ if (!sameRegs (AOP (left), AOP (result))) {
while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ aopPut (AOP (result),
+ aopGet (AOP (left), offset), offset);
offset++;
}
- size = size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
offset = 0;
- }
+ }
/* be as economical as possible */
if (shCount <= 4) {
- offset = size -1;
while (shCount--) {
- offset = size -1;
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
+ offset = size - 1;
while (size--) {
- if (offset == (size-1))
- emitcode("asr","%s",aopGet(AOP(result),offset));
+ /* highest order byte */
+ if (offset == (AOP_SIZE(result)-1))
+ emitcode ("asr", "%s", aopGet (AOP (result), offset));
else
- emitcode("lsr","%s",aopGet(AOP(result),offset));
- offset--;
+ emitcode ("ror", "%s", aopGet (AOP (result), offset));
+ offset--;
}
}
- } else {
- emitcode("ldi","r24,lo8(%d)",shCount);
- tlbl = newiTempLabel(NULL);
- emitcode("","L%05d:",tlbl->key);
- offset = size -1;
+ }
+ else {
+ emitcode ("ldi", "r24,<(%d)", shCount);
+ tlbl = newiTempLabel (NULL);
+ emitcode ("", "L%05d:", tlbl->key);
+ offset = size - 1;
while (size--) {
- if (offset == (size-1)) emitcode("asr","%s",aopGet(AOP(result),offset));
- else emitcode("lsr","%s",aopGet(AOP(result),offset));
+ if (offset == (AOP_SIZE(result) - 1))
+ emitcode ("asr", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("ror", "%s", aopGet (AOP (result), offset));
offset--;
}
- emitcode("dec","r24");
- emitcode("brne","L%05d",tlbl->key);
+ emitcode ("dec", "r24");
+ emitcode ("brne", "L%05d", tlbl->key);
}
goto release;
}
- if (shCount > (size*8 -1)) {
- while (size--) aopPut(AOP(result),zero,offset++);
+ if (shCount > (size * 8 - 1)) {
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
goto release;
}
/* for unsigned we can much more efficient */
switch (size) {
case 1:
- if (!sameRegs(AOP(left),AOP(result)))
- aopPut(AOP(result),aopGet(AOP(left),0),0);
+ if (!sameRegs (AOP (left), AOP (result)))
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
if (shCount >= 4) {
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0x0f");
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ if (AOP_ISHIGHREG(AOP(result),0)) {
+ emitcode ("andi", "%s,0x0f",aopGet(AOP(result),0));
+ } else {
+ emitcode ("ldi","r24,0x0f");
+ emitcode ("and", "%s,r24",aopGet(AOP(result),0));
+ }
shCount -= 4;
}
while (shCount--)
- emitcode("lsr","%s",aopGet(AOP(result),0));
+ emitcode ("lsr", "%s", aopGet (AOP (result), 0));
break;
case 2:
if (shCount >= 12) {
- aopPut(AOP(result),aopGet(AOP(left),1),0);
- aopPut(AOP(result),zero,1);
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0x0f",aopGet(AOP(result),0));
+ aopPut (AOP (result), aopGet (AOP (left), 1), 0);
+ aopPut (AOP (result), zero, 1);
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ if (AOP_ISHIGHREG(AOP(result),0)) {
+ emitcode ("andi", "%s,0x0f", aopGet (AOP (result), 0));
+ } else {
+ emitcode ("ldi","r24,0x0f");
+ emitcode ("and", "%s,r24",aopGet(AOP(result),0));
+ }
shCount -= 12;
hByteZ = 1;
}
if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),1),0);
- aopPut(AOP(result),zero,1);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 0);
+ aopPut (AOP (result), zero, 1);
shCount -= 8;
hByteZ = 1;
}
if (shCount >= 4) {
shCount -= 4;
- if (!sameRegs(AOP(left),AOP(result))) {
- aopPut(AOP(result),aopGet(AOP(left),0),0);
- aopPut(AOP(result),aopGet(AOP(left),1),1);
+ if (!sameRegs (AOP (left), AOP (result))) {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 1);
}
- emitcode("mov","r1,%s",aopGet(AOP(result),1));
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0x0f",aopGet(AOP(result),0));
- emitcode("andi","r1,0xf0");
- emitcode("or","%s,r1",aopGet(AOP(result),0));
- emitcode("swap","%s",aopGet(AOP(result),1));
- emitcode("andi","%s,0x0f",aopGet(AOP(result),1));
- while(shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
+ if (!(AOP_ISHIGHREG(AOP(result),0) && AOP_ISHIGHREG(AOP(result),1))) {
+ emitcode("ldi","r25,0x0f");
}
-
+ emitcode ("mov", "r24,%s", aopGet (AOP (result), 1));
+ emitcode ("andi", "r24,0xf0");
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ if (AOP_ISHIGHREG(AOP(result),0)) {
+ emitcode ("andi", "%s,0x0f", aopGet (AOP (result), 0));
+ } else {
+ emitcode ("and", "%s,r25", aopGet (AOP (result), 0));
+ }
+ emitcode ("or", "%s,r24", aopGet (AOP (result), 0));
+ emitcode ("swap", "%s", aopGet (AOP (result), 1));
+ if (AOP_ISHIGHREG(AOP(result),1)) {
+ emitcode ("andi", "%s,0x0f", aopGet (AOP (result), 1));
+ } else {
+ emitcode ("and", "%s,r24", aopGet (AOP (result), 1));
+ }
+ while (shCount--) {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
+ }
+
}
- if (!hByteZ && !sameRegs(AOP(result),AOP(left)) && shCount) {
+ if (!hByteZ && !sameRegs (AOP (result), AOP (left))
+ && shCount) {
offset = 0;
- while(size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ while (size--) {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
offset++;
}
}
while (shCount--) {
if (hByteZ) {
- emitcode("lsr","%s",aopGet(AOP(result),0));
- } else {
- emitcode("lsr","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
+ emitcode ("lsr", "%s", aopGet (AOP (result), 0));
+ }
+ else {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
}
}
break;
-
+
case 3:
- assert("shifting generic pointer ?\n");
+ assert ("shifting generic pointer ?\n");
break;
case 4:
/* 32 bits we do only byte boundaries */
if (shCount >= 24) {
- aopPut(AOP(result),aopGet(AOP(left),3),0);
- aopPut(AOP(result),zero,1);
- aopPut(AOP(result),zero,2);
- aopPut(AOP(result),zero,3);
+ aopPut (AOP (result), aopGet (AOP (left), 3), 0);
+ aopPut (AOP (result), zero, 1);
+ aopPut (AOP (result), zero, 2);
+ aopPut (AOP (result), zero, 3);
hByteZ = 3;
shCount -= 24;
}
if (shCount >= 16) {
- aopPut(AOP(result),aopGet(AOP(left),3),1);
- aopPut(AOP(result),aopGet(AOP(left),2),0);
- aopPut(AOP(result),zero,2);
- aopPut(AOP(result),zero,3);
+ aopPut (AOP (result), aopGet (AOP (left), 3), 1);
+ aopPut (AOP (result), aopGet (AOP (left), 2), 0);
+ aopPut (AOP (result), zero, 2);
+ aopPut (AOP (result), zero, 3);
hByteZ = 2;
shCount -= 16;
}
if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),1),0);
- aopPut(AOP(result),aopGet(AOP(left),2),1);
- aopPut(AOP(result),aopGet(AOP(left),3),2);
- aopPut(AOP(result),zero,3);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 0);
+ aopPut (AOP (result), aopGet (AOP (left), 2), 1);
+ aopPut (AOP (result), aopGet (AOP (left), 3), 2);
+ aopPut (AOP (result), zero, 3);
shCount -= 8;
hByteZ = 1;
}
- if (!hByteZ && !sameRegs(AOP(left),AOP(right))) {
+ if (!hByteZ && !sameRegs (AOP (left), AOP (right))) {
offset = 0;
while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ aopPut (AOP (result),
+ aopGet (AOP (left), offset), offset);
offset++;
}
offset = 0;
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
}
if (shCount) {
switch (hByteZ) {
case 0:
while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),3));
- emitcode("ror","%s",aopGet(AOP(result),2));
- emitcode("ror","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
+ emitcode ("lsr", "%s", aopGet (AOP (result), 3));
+ emitcode ("ror", "%s", aopGet (AOP (result), 2));
+ emitcode ("ror", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
}
break;
case 1:
while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),2));
- emitcode("ror","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
+ emitcode ("lsr", "%s", aopGet (AOP (result), 2));
+ emitcode ("ror", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
}
break;
case 2:
while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
+ emitcode ("lsr", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
}
break;
case 3:
while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),0));
+ emitcode ("lsr", "%s", aopGet (AOP (result), 0));
}
break;
}
}
- }
- release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ }
+ release:
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genRightShift - generate code for right shifting */
/*-----------------------------------------------------------------*/
-static void genRightShift (iCode *ic)
+static void
+genRightShift (iCode * ic)
{
operand *right, *left, *result;
- sym_link *letype ;
+ sym_link *letype;
int size, offset;
- int sign = 0, first =1;
+ int sign = 0, first = 1;
symbol *tlbl;
- aopOp(right=IC_RIGHT(ic),ic,FALSE);
- if (AOP_TYPE(right) == AOP_LIT) {
- genShiftRightLit(ic);
- return ;
+ aopOp (right = IC_RIGHT (ic), ic, FALSE);
+
+ if (AOP_TYPE (right) == AOP_LIT) {
+ genShiftRightLit (ic);
+ return;
}
/* unknown count */
- if (AOP_SIZE(right) > 1) {
- if (isRegPair(AOP(right))) {
- emitcode("movw","r24,%s",aopGet(AOP(right),0));
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- emitcode("mov","r25,%s",aopGet(AOP(right),1));
+ if (AOP_SIZE (right) > 1) {
+ if (isRegPair (AOP (right))) {
+ emitcode ("movw", "r24,%s", aopGet (AOP (right), 0));
}
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- }
- aopOp(left=IC_LEFT(ic),ic,FALSE);
- aopOp(result=IC_RESULT(ic),ic,FALSE);
- size = AOP_SIZE(result);
- tlbl = newiTempLabel(NULL);
- emitcode("","L%05d:",tlbl->key);
- offset = size -1;
- letype = getSpec(operandType(left));
- sign = !SPEC_USIGN(letype);
- if (!sameRegs(AOP(left),AOP(result))) {
+ else {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (right), 1));
+ }
+ }
+ else {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ }
+ aopOp (left = IC_LEFT (ic), ic, FALSE);
+ aopOp (result = IC_RESULT (ic), ic, FALSE);
+ size = AOP_SIZE (result);
+ tlbl = newiTempLabel (NULL);
+ emitcode ("", "L%05d:", tlbl->key);
+ offset = size - 1;
+ letype = getSpec (operandType (left));
+ sign = !SPEC_USIGN (letype);
+ if (!sameRegs (AOP (left), AOP (result))) {
while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
offset++;
}
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
}
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
while (size--) {
if (first) {
- if (sign) emitcode("asr","%s",aopGet(AOP(result),offset));
- else emitcode("lsr","%s",aopGet(AOP(result),offset));
+ if (sign)
+ emitcode ("asr", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("lsr", "%s", aopGet (AOP (result), offset));
first = 0;
}
- else emitcode("ror","%s",aopGet(AOP(result),offset));
+ else
+ emitcode ("ror", "%s", aopGet (AOP (result), offset));
offset--;
}
- if (AOP_SIZE(right) > 1) emitcode("sbiw","r24,1");
- else emitcode("dec","r24");
- emitcode("brne","L%05d",tlbl->key);
-
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ if (AOP_SIZE (right) > 1)
+ emitcode ("sbiw", "r24,1");
+ else
+ emitcode ("dec", "r24");
+ emitcode ("brne", "L%05d", tlbl->key);
+
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
+}
+
+/*-----------------------------------------------------------------*/
+/* RRsh - shift right rn by known count */
+/*-----------------------------------------------------------------*/
+static void
+RRsh (int shCount,int reg)
+{
+ shCount &= 0x0007; // shCount : 0..7
+
+ switch (shCount) {
+ case 0:
+ break;
+ case 1:
+ emitcode ("lsr", "r%d",reg);
+ break;
+ case 2:
+ emitcode ("lsr", "r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ break;
+ case 3:
+ emitcode ("swap", "r%d",reg);
+ emitcode ("lsl", "r%d",reg);
+ break;
+ case 4:
+ emitcode ("swap", "r%d",reg);
+ break;
+ case 5:
+ emitcode ("swap", "r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ break;
+ case 6:
+ emitcode ("swap","r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ break;
+ case 7:
+ emitcode ("swap","r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ emitcode ("lsr", "r%d",reg);
+ break;
+ }
}
/*-----------------------------------------------------------------*/
-/* R0Rsh - shift right r0 by known count */
+/* RLsh - shift left rn by known count */
/*-----------------------------------------------------------------*/
-static void R0Rsh (int shCount)
+static void
+RLsh (int shCount, int reg)
{
- shCount &= 0x0007; // shCount : 0..7
- switch(shCount){
- case 0 :
+ shCount &= 0x0007; // shCount : 0..7
+
+ switch (shCount) {
+ case 0:
break;
- case 1 :
- emitcode("lsr","r0");
+ case 1:
+ emitcode ("lsl", "r%d",reg);
break;
- case 2 :
- emitcode("lsr","r0");
- emitcode("lsr","r0");
+ case 2:
+ emitcode ("lsl", "r%d",reg);
+ emitcode ("lsl", "r%d",reg);
break;
- case 3 :
- emitcode("swap","r0");
- emitcode("lsl","r0");
+ case 3:
+ emitcode ("swap","r%d",reg);
+ emitcode ("lsr", "r%d",reg);
break;
- case 4 :
- emitcode("swap","r0");
+ case 4:
+ emitcode ("swap", "r%d",reg);
break;
- case 5 :
- emitcode("swap","r0");
- emitcode("lsr","r0");
+ case 5:
+ emitcode ("swap","r%d",reg);
+ emitcode ("lsl", "r%d",reg);
break;
- case 6 :
- emitcode("swap","r0");
- emitcode("lsr","r0");
- emitcode("lsr","r0");
+ case 6:
+ emitcode ("swap","r%d",reg);
+ emitcode ("lsl", "r%d",reg);
+ emitcode ("lsl", "r%d",reg);
break;
- case 7 :
- emitcode("swap","r0");
- emitcode("lsr","r0");
- emitcode("lsr","r0");
- emitcode("lsr","r0");
+ case 7:
+ emitcode ("swap","r%d",reg);
+ emitcode ("lsl", "r%d",reg);
+ emitcode ("lsl", "r%d",reg);
+ emitcode ("lsl", "r%d",reg);
break;
}
}
/*-----------------------------------------------------------------*/
/* genUnpackBits - generates code for unpacking bits */
/*-----------------------------------------------------------------*/
-static void genUnpackBits (operand *result, char *rname, int ptype)
-{
- int shCnt ;
- int rlen = 0 ;
+static void
+genUnpackBits (operand * result, char *rname, int ptype)
+{
+ int shCnt;
+ int rlen = 0;
sym_link *etype;
- int offset = 0 ;
-
- etype = getSpec(operandType(result));
+ int offset = 0;
+ int rsize;
+ etype = getSpec (operandType (result));
+ rsize = getSize (operandType (result));
/* read the first byte */
switch (ptype) {
case IPOINTER:
case PPOINTER:
case FPOINTER:
- emitcode("ld","r0,%s+",rname);
+ emitcode ("ld", "r24,%s+", rname);
break;
case CPOINTER:
- emitcode("ldm","r0,%s+",rname);
+ emitcode ("lpm", "r24,%s+", rname);
break;
case GPOINTER:
- emitcode("call","__gptrget_pi");
+ emitcode ("call","__gptrget_pi");
+ emitcode ("mov","r24,r0");
break;
}
+ rlen = SPEC_BLEN (etype);
+
/* if we have bitdisplacement then it fits */
/* into this byte completely or if length is */
/* less than a byte */
- if ((shCnt = SPEC_BSTR(etype)) || (SPEC_BLEN(etype) <= 8)) {
-
- /* shift right r0 */
- R0Rsh(shCnt);
- emitcode("andi","r0,0x%02x",
- ((unsigned char) -1)>>(8 - SPEC_BLEN(etype)));
+ if ((shCnt = SPEC_BSTR (etype)) || (SPEC_BLEN (etype) <= 8)) {
- aopPut(AOP(result),"r0",offset);
- return ;
+ /* shift right acc */
+ RRsh (shCnt,24);
+
+ emitcode ("andi", "r24,lo(0x%x)",
+ ((unsigned char) -1) >> (8 - SPEC_BLEN (etype)));
+ aopPut (AOP (result), "r24", offset++);
+ goto finish;
}
/* bit field did not fit in a byte */
- rlen = SPEC_BLEN(etype) - 8;
- aopPut(AOP(result),"a",offset++);
+ aopPut (AOP (result), "r24", offset++);
- while (1) {
+ while (1) {
switch (ptype) {
+
case POINTER:
case IPOINTER:
case PPOINTER:
case FPOINTER:
- emitcode("ld","r0,%s+",rname);
+ emitcode ("ld", "r24,%s+");
break;
-
+
case CPOINTER:
- emitcode("ldm","r0,%s+",rname);
+ emitcode ("lpm", "r24,%s+");
break;
-
+
case GPOINTER:
- emitcode("lcall","__gptrget_pi");
+ emitcode ("call", "__gptrget_pi");
break;
}
- rlen -= 8;
- /* if we are done */
- if ( rlen <= 0 )
- break ;
-
- aopPut(AOP(result),"r0",offset++);
-
- }
-
+ rlen -= 8;
+ /* if we are done */
+ if (rlen < 8)
+ break;
+
+ aopPut (AOP (result), "r24", offset++);
+
+ }
+
if (rlen) {
- emitcode("andi","r0,#0x%02x",((unsigned char)-1)>>(-rlen));
- aopPut(AOP(result),"r0",offset);
+ aopPut (AOP (result), "r24", offset++);
}
-
- return ;
-}
+ finish:
+ if (offset < rsize) {
+ rsize -= offset;
+ while (rsize--)
+ aopPut (AOP (result), zero, offset++);
+ }
+ return;
+}
/*-----------------------------------------------------------------*/
/* genDataPointerGet - generates code when ptr offset is known */
/*-----------------------------------------------------------------*/
-static void genDataPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void
+genDataPointerGet (operand * left, operand * result, iCode * ic)
{
char *l;
char buffer[256];
- int size , offset = 0;
- aopOp(result,ic,TRUE);
+ int size, offset = 0;
+ aopOp (result, ic, TRUE);
/* get the string representation of the name */
- l = aopGet(AOP(left),0);
- size = AOP_SIZE(result);
+ l = aopGet (AOP (left), 0);
+ size = AOP_SIZE (result);
while (size--) {
if (offset)
- sprintf(buffer,"(%s + %d)",l+1,offset);
+ sprintf (buffer, "(%s + %d)", l, offset);
else
- sprintf(buffer,"%s",l+1);
- emitcode("lds","%s,%s",aopGet(AOP(result),offset++),buffer);
+ sprintf (buffer, "%s", l);
+ emitcode ("lds", "%s,%s", aopGet (AOP (result), offset++),
+ buffer);
}
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genNearPointerGet - emitcode for near pointer fetch */
/*-----------------------------------------------------------------*/
-static void genNearPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void
+genMemPointerGet (operand * left, operand * result, iCode * ic, iCode *pi)
{
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname ;
+ regs *preg = NULL;
+ int gotFreePtr = 0;
+ char *rname, *frname = NULL;
sym_link *rtype, *retype;
- sym_link *ltype = operandType(left);
- char buffer[80];
-
- rtype = operandType(result);
- retype= getSpec(rtype);
-
- aopOp(left,ic,FALSE);
-
+ sym_link *ltype = operandType (left);
+
+ rtype = operandType (result);
+ retype = getSpec (rtype);
+
+ aopOp (left, ic, FALSE);
+
/* if left is rematerialisable and
result is not bit variable type and
the left is pointer to data space i.e
lower 128 bytes of space */
- if (AOP_TYPE(left) == AOP_IMMD &&
- !IS_BITVAR(retype) &&
- DCL_TYPE(ltype) == POINTER) {
- genDataPointerGet (left,result,ic);
- return ;
+ if (AOP_TYPE (left) == AOP_IMMD &&
+ !IS_BITVAR (retype) && DCL_TYPE (ltype) == POINTER) {
+ genDataPointerGet (left, result, ic);
+ return;
}
-
+
/* if the value is already in a pointer register
then don't need anything more */
- if (!AOP_INPREG(AOP(left))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(left),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(left),0);
-
- freeAsmop(left,NULL,ic,TRUE);
- aopOp (result,ic,FALSE);
-
+ if (!AOP_INPREG (AOP (left))) {
+ /* otherwise get a free pointer register */
+ aop = newAsmop (0);
+ preg = getFreePtr (ic, &aop, FALSE, 0);
+ if (isRegPair (AOP (left) )) {
+ emitcode ("movw", "%s,%s",
+ aop->aopu.aop_ptr->name,
+ aopGet(AOP(left),0));
+ } else {
+ emitcode ("mov", "%s,%s", aop->aopu.aop_ptr->name,
+ aopGet (AOP (left), 0));
+ emitcode ("mov", "%s,%s", aop->aop_ptr2->name,
+ aopGet (AOP (left), 1));
+ }
+ gotFreePtr = 1;
+ }
+ else {
+ aop = AOP(left);
+ frname = aopGet(aop,0);
+ }
+ if (AOP_ISX(aop)) {
+ rname = "X";
+ } else if (AOP_ISZ(aop)) {
+ rname = "Z";
+ } else {
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "pointer not in correct register");
+ exit (0);
+ }
+
+ aopOp (result, ic, FALSE);
+
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genUnpackBits (result,rname,POINTER);
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, rname, POINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
-
- while (size--) {
- if (IS_AOP_PREG(result) || AOP_TYPE(result) == AOP_STK ) {
+ /* we have can just get the values */
+ int size = AOP_SIZE (result);
+ int offset = 0;
- emitcode("mov","a,@%s",rname);
- aopPut(AOP(result),"a",offset);
+ while (size--) {
+ if (size || pi) {
+ emitcode ("ld","%s,%s+",aopGet(AOP(result),offset), rname);
} else {
- sprintf(buffer,"@%s",rname);
- aopPut(AOP(result),buffer,offset);
+ emitcode ("ld","%s,%s",aopGet(AOP(result),offset), rname);
}
- offset++ ;
- if (size)
- emitcode("inc","%s",rname);
}
}
/* now some housekeeping stuff */
- if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(result) > 1 &&
- !OP_SYMBOL(left)->remat &&
- ( OP_SYMBOL(left)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(result) - 1;
- while (size--)
- emitcode("dec","%s",rname);
+ if (gotFreePtr) {
+ /* we had to allocate for this iCode */
+ if (pi) {
+ if (isRegPair (AOP (left) )) {
+ emitcode ("movw", "%s,%s",
+ aopGet (AOP(left),0),
+ aop->aopu.aop_ptr->name);
+ } else {
+ emitcode ("mov", "%s,%s",
+ aopGet (AOP (left), 0),
+ aop->aopu.aop_ptr->name);
+ emitcode ("mov", "%s,%s",
+ aopGet (AOP (left), 1),
+ aop->aop_ptr2->name);
+ }
+ }
+ freeAsmop (NULL, aop, ic, TRUE);
+ } else {
+
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if ((AOP_SIZE (result) > 1 &&
+ !OP_SYMBOL (left)->remat &&
+ (OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) && !pi) {
+ int size = AOP_SIZE (result) - 1;
+ emitcode ("sbiw", "%s,%d",frname,size);
}
}
/* done */
- freeAsmop(result,NULL,ic,TRUE);
-
+ if (pi) pi->generated = 1;
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
+
}
/*-----------------------------------------------------------------*/
-/* genPagedPointerGet - emitcode for paged pointer fetch */
+/* genCodePointerGet - gget value from code space */
/*-----------------------------------------------------------------*/
-static void genPagedPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void
+genCodePointerGet (operand * left, operand * result, iCode * ic, iCode *pi)
{
+ int size, offset;
+ sym_link *retype = getSpec (operandType (result));
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname ;
- sym_link *rtype, *retype;
+ int gotFreePtr = 0;
- rtype = operandType(result);
- retype= getSpec(rtype);
-
- aopOp(left,ic,FALSE);
+ aopOp (left, ic, FALSE);
- /* if the value is already in a pointer register
- then don't need anything more */
- if (!AOP_INPREG(AOP(left))) {
- /* otherwise get a free pointer register */
+ /* if the operand is already in Z register
+ then we do nothing else we move the value to Z register */
+ if (AOP_ISZ(AOP(left))) {
+ aop = AOP (left);
+ } else {
aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(left),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(left),0);
-
- freeAsmop(left,NULL,ic,TRUE);
- aopOp (result,ic,FALSE);
+ getFreePtr(ic,&aop,FALSE,TRUE);
+ if (isRegPair(AOP (left))) {
+ emitcode ("movw","r30,%s",aopGet (AOP (left), 0));
+ } else {
+ emitcode ("mov", "r30,%s", aopGet (AOP (left), 0));
+ emitcode ("mov", "r31,%s", aopGet (AOP (left), 1));
+ }
+ gotFreePtr = 1;
+ }
- /* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genUnpackBits (result,rname,PPOINTER);
+ aopOp (result, ic, FALSE);
+
+ /* if bit then unpack */
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, "Z", CPOINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
-
+ size = AOP_SIZE (result);
+ offset = 0;
+
while (size--) {
-
- emitcode("movx","a,@%s",rname);
- aopPut(AOP(result),"a",offset);
-
- offset++ ;
-
- if (size)
- emitcode("inc","%s",rname);
+ if (size || pi) {
+ emitcode ("lpm","%s,Z+",aopGet(AOP(result),offset++));
+ } else {
+ emitcode ("lpm","%s,Z",aopGet(AOP(result),offset++));
+ }
}
}
/* now some housekeeping stuff */
- if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(result) > 1 &&
- !OP_SYMBOL(left)->remat &&
- ( OP_SYMBOL(left)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(result) - 1;
- while (size--)
- emitcode("dec","%s",rname);
+ if (gotFreePtr) {
+ /* we had to allocate for this iCode */
+ if (pi) {
+ if (isRegPair(AOP (left))) {
+ emitcode ("movw","%s,r30",aopGet (AOP (left), 0));
+ } else {
+ emitcode ("mov", "%s,r30", aopGet (AOP (left), 0));
+ emitcode ("mov", "%s,r31", aopGet (AOP (left), 1));
+ }
+ }
+ freeAsmop (NULL, aop, ic, TRUE);
+ } else {
+
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if ((AOP_SIZE (result) > 1 &&
+ !OP_SYMBOL (left)->remat &&
+ (OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) &&
+ !pi) {
+ int size = AOP_SIZE (result) - 1;
+ emitcode ("sbiw", "r30,%d",size);
}
}
/* done */
- freeAsmop(result,NULL,ic,TRUE);
-
-
+ if (pi) pi->generated=1;
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
+
}
/*-----------------------------------------------------------------*/
-/* genFarPointerGet - gget value from far space */
+/* genGenPointerGet - gget value from generic pointer space */
/*-----------------------------------------------------------------*/
-static void genFarPointerGet (operand *left,
- operand *result, iCode *ic)
+static void
+genGenPointerGet (operand * left, operand * result, iCode * ic, iCode *pi)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(result));
+ int size, offset;
+ int gotFreePtr = 0;
+ sym_link *retype = getSpec (operandType (result));
+ asmop *aop = NULL;
- aopOp(left,ic,FALSE);
+ aopOp (left, ic, FALSE);
- /* if the operand is already in dptr
+ /* if the operand is already in dptr
then we do nothing else we move the value to dptr */
- if (AOP_TYPE(left) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(left) == AOP_IMMD)
- emitcode("mov","dptr,%s",aopGet(AOP(left),0));
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0));
- emitcode("mov","dph,%s",aopGet(AOP(left),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2));
- }
+ if (AOP_ISZ(AOP(left))) {
+ aop = AOP(left);
+ } else {
+ aop = newAsmop(0);
+ getFreePtr(ic,&aop,FALSE,TRUE);
+ if (isRegPair(AOP(left))) {
+ emitcode ("movw", "r30,%s", aopGet (AOP (left), 0));
+ } else {
+ emitcode ("mov", "r30,%s", aopGet (AOP (left), 0));
+ emitcode ("mov", "r31,%s", aopGet (AOP (left), 1));
}
+ emitcode ("mov", "r24,%s", aopGet (AOP (left), 2));
+ gotFreePtr=1;
}
- /* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
+
+ /* so Z register now contains the address */
+
+ aopOp (result, ic, FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",FPOINTER);
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, "Z", GPOINTER);
else {
- size = AOP_SIZE(result);
- offset = 0 ;
+ size = AOP_SIZE (result);
+ offset = 0;
while (size--) {
- emitcode("movx","a,@dptr");
- aopPut(AOP(result),"a",offset++);
- if (size)
- emitcode("inc","dptr");
+ if (size || pi)
+ emitcode ("call", "__gptrget_pi");
+ else
+ emitcode ("call", "__gptrget");
+ aopPut (AOP (result), "r0", offset++);
}
}
- freeAsmop(result,NULL,ic,TRUE);
-}
-
-/*-----------------------------------------------------------------*/
-/* emitcodePointerGet - gget value from code space */
-/*-----------------------------------------------------------------*/
-static void emitcodePointerGet (operand *left,
- operand *result, iCode *ic)
-{
- int size, offset ;
- sym_link *retype = getSpec(operandType(result));
-
- aopOp(left,ic,FALSE);
- /* if the operand is already in dptr
- then we do nothing else we move the value to dptr */
- if (AOP_TYPE(left) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(left) == AOP_IMMD)
- emitcode("mov","dptr,%s",aopGet(AOP(left),0));
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0));
- emitcode("mov","dph,%s",aopGet(AOP(left),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2));
- }
+ /* now some housekeeping stuff */
+ if (gotFreePtr) {
+ /* we had to allocate for this iCode */
+ if (pi) {
+ if (isRegPair(AOP (left))) {
+ emitcode ("movw","%s,r30",aopGet (AOP (left), 0));
+ } else {
+ emitcode ("mov", "%s,r30", aopGet (AOP (left), 0));
+ emitcode ("mov", "%s,r31", aopGet (AOP (left), 1));
+ }
}
- }
- /* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
-
- /* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",CPOINTER);
- else {
- size = AOP_SIZE(result);
- offset = 0 ;
+ freeAsmop (NULL, aop, ic, TRUE);
+ } else {
- while (size--) {
- emitcode("clr","a");
- emitcode("movc","a,@a+dptr");
- aopPut(AOP(result),"a",offset++);
- if (size)
- emitcode("inc","dptr");
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if ((AOP_SIZE (result) > 1 &&
+ !OP_SYMBOL (left)->remat &&
+ (OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) &&
+ !pi) {
+ int size = AOP_SIZE (result) - 1;
+ emitcode ("sbiw", "r30,%d",size);
}
}
-
- freeAsmop(result,NULL,ic,TRUE);
+ if (pi) pi->generated=1;
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
-/* genGenPointerGet - gget value from generic pointer space */
+/* genPointerGet - generate code for pointer get */
/*-----------------------------------------------------------------*/
-static void genGenPointerGet (operand *left,
- operand *result, iCode *ic)
+static void
+genPointerGet (iCode * ic, iCode *pi)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(result));
+ operand *left, *result;
+ sym_link *type, *etype;
+ int p_type;
- aopOp(left,ic,FALSE);
-
- /* if the operand is already in dptr
- then we do nothing else we move the value to dptr */
- if (AOP_TYPE(left) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(left) == AOP_IMMD) {
- emitcode("mov","dptr,%s",aopGet(AOP(left),0));
- emitcode("mov","b,#%d",pointerCode(retype));
- }
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0));
- emitcode("mov","dph,%s",aopGet(AOP(left),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2));
- emitcode("mov","b,%s",aopGet(AOP(left),3));
- }
- else
- {
- emitcode("mov","b,%s",aopGet(AOP(left),2));
- }
- }
- }
- /* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
-
- /* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",GPOINTER);
- else {
- size = AOP_SIZE(result);
- offset = 0 ;
-
- while (size--) {
- emitcode("lcall","__gptrget");
- aopPut(AOP(result),"a",offset++);
- if (size)
- emitcode("inc","dptr");
- }
- }
-
- freeAsmop(result,NULL,ic,TRUE);
-}
-
-/*-----------------------------------------------------------------*/
-/* genPointerGet - generate code for pointer get */
-/*-----------------------------------------------------------------*/
-static void genPointerGet (iCode *ic)
-{
- operand *left, *result ;
- sym_link *type, *etype;
- int p_type;
-
- left = IC_LEFT(ic);
- result = IC_RESULT(ic) ;
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
/* depending on the type of pointer we need to
move it to the correct pointer register */
- type = operandType(left);
- etype = getSpec(type);
+ type = operandType (left);
+ etype = getSpec (type);
/* if left is of type of pointer then it is simple */
- if (IS_PTR(type) && !IS_FUNC(type->next))
- p_type = DCL_TYPE(type);
+ if (IS_PTR (type) && !IS_FUNC (type->next))
+ p_type = DCL_TYPE (type);
else {
- /* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
-
- /* if (SPEC_OCLS(etype)->codesp ) { */
- /* p_type = CPOINTER ; */
- /* } */
- /* else */
- /* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
- /* p_type = FPOINTER ; */
- /* else */
- /* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
- /* p_type = PPOINTER; */
- /* else */
- /* if (SPEC_OCLS(etype) == idata ) */
- /* p_type = IPOINTER; */
- /* else */
- /* p_type = POINTER ; */
+ /* we have to go by the storage class */
+ p_type = PTR_TYPE (SPEC_OCLS (etype));
+
+
}
/* now that we have the pointer type we assign
the pointer values */
switch (p_type) {
- case POINTER:
+ case POINTER:
case IPOINTER:
- genNearPointerGet (left,result,ic);
- break;
-
case PPOINTER:
- genPagedPointerGet(left,result,ic);
- break;
-
case FPOINTER:
- genFarPointerGet (left,result,ic);
+ genMemPointerGet (left, result, ic, pi);
break;
case CPOINTER:
- emitcodePointerGet (left,result,ic);
+ genCodePointerGet (left, result, ic, pi);
break;
case GPOINTER:
- genGenPointerGet (left,result,ic);
+ genGenPointerGet (left, result, ic, pi);
break;
}
/*-----------------------------------------------------------------*/
/* genPackBits - generates code for packed bit storage */
/*-----------------------------------------------------------------*/
-static void genPackBits (sym_link *etype ,
- operand *right ,
- char *rname, int p_type)
+static void
+genPackBits (sym_link * etype,
+ operand * right,
+ char *rname, int p_type)
{
- int shCount = 0 ;
- int offset = 0 ;
- int rLen = 0 ;
- int blen, bstr ;
- char *l ;
+ int shCount = 0;
+ int offset = 0;
+ int rLen = 0;
+ int blen, bstr;
+ char *l;
- blen = SPEC_BLEN(etype);
- bstr = SPEC_BSTR(etype);
+ blen = SPEC_BLEN (etype);
+ bstr = SPEC_BSTR (etype);
- l = aopGet(AOP(right),offset++);
- MOVA(l);
+ l = aopGet (AOP (right), offset++);
+ MOVR24 (l);
/* if the bit lenth is less than or */
/* it exactly fits a byte then */
- if (SPEC_BLEN(etype) <= 8 ) {
- shCount = SPEC_BSTR(etype) ;
+ if (SPEC_BLEN (etype) <= 8) {
+ shCount = SPEC_BSTR (etype);
- /* shift left acc */
- // AccLsh(shCount);
-
- if (SPEC_BLEN(etype) < 8 ) { /* if smaller than a byte */
+ /* shift left acc */
+ RLsh (shCount,24);
+ if (SPEC_BLEN (etype) < 8) { /* if smaller than a byte */
switch (p_type) {
case POINTER:
- emitcode ("mov","b,a");
- emitcode("mov","a,@%s",rname);
- break;
-
+ case IPOINTER:
+ case PPOINTER:
case FPOINTER:
- emitcode ("mov","b,a");
- emitcode("movx","a,@dptr");
+ emitcode ("ld", "r1,%s",rname);
break;
case GPOINTER:
- emitcode ("push","b");
- emitcode ("push","acc");
- emitcode ("lcall","__gptrget");
- emitcode ("pop","b");
+ emitcode ("push", "r1");
+ emitcode ("push", "r24");
+ emitcode ("call", "__gptrget");
+ emitcode ("pop", "r1");
+ emitcode ("mov","r24,r0");
break;
}
- emitcode ("anl","a,#0x%02x",(unsigned char)
- ((unsigned char)(0xFF << (blen+bstr)) |
- (unsigned char)(0xFF >> (8-bstr)) ) );
- emitcode ("orl","a,b");
+ emitcode ("andi", "r24,#0x%02x", (unsigned char)
+ ((unsigned char) (0xFF << (blen + bstr)) |
+ (unsigned char) (0xFF >> (8 - bstr))));
+ emitcode ("or", "r24,r1");
if (p_type == GPOINTER)
- emitcode("pop","b");
+ emitcode ("pop", "r1");
}
}
switch (p_type) {
case POINTER:
- emitcode("mov","@%s,a",rname);
- break;
-
+ case IPOINTER:
+ case PPOINTER:
case FPOINTER:
- emitcode("movx","@dptr,a");
+ emitcode("st","%s+,r24");
break;
case GPOINTER:
- emitcode("lcall","__gptrput");
+ emitcode("mov","r0,r24");
+ emitcode ("call", "__gptrput_pi");
break;
}
/* if we r done */
- if ( SPEC_BLEN(etype) <= 8 )
- return ;
+ if (SPEC_BLEN (etype) <= 8)
+ return;
- emitcode("inc","%s",rname);
- rLen = SPEC_BLEN(etype) ;
+ rLen = SPEC_BLEN (etype);
/* now generate for lengths greater than one byte */
while (1) {
- l = aopGet(AOP(right),offset++);
+ l = aopGet (AOP (right), offset++);
- rLen -= 8 ;
- if (rLen <= 0 )
- break ;
+ rLen -= 8;
+ if (rLen < 8)
+ break;
switch (p_type) {
case POINTER:
- if (*l == '@') {
- MOVA(l);
- emitcode("mov","@%s,a",rname);
- } else
- emitcode("mov","@%s,%s",rname,l);
- break;
-
+ case IPOINTER:
+ case PPOINTER:
case FPOINTER:
- MOVA(l);
- emitcode("movx","@dptr,a");
+ emitcode ("st", "%s+,%s",rname,l);
break;
case GPOINTER:
- MOVA(l);
- emitcode("lcall","__gptrput");
- break;
- }
- emitcode ("inc","%s",rname);
+ MOVR0 (l);
+ emitcode ("lcall", "__gptrput_pi");
+ break;
+ }
}
- MOVA(l);
+ MOVR24 (l);
/* last last was not complete */
- if (rLen) {
- /* save the byte & read byte */
+ if (rLen) {
+ /* save the byte & read byte */
switch (p_type) {
case POINTER:
- emitcode ("mov","b,a");
- emitcode("mov","a,@%s",rname);
- break;
-
+ case IPOINTER:
+ case PPOINTER:
case FPOINTER:
- emitcode ("mov","b,a");
- emitcode("movx","a,@dptr");
+ emitcode ("st","%s+,r24",rname);
break;
-
case GPOINTER:
- emitcode ("push","b");
- emitcode ("push","acc");
- emitcode ("lcall","__gptrget");
- emitcode ("pop","b");
+ emitcode ("push", "r1");
+ emitcode ("push", "r24");
+ emitcode ("lcall", "__gptrget");
+ emitcode ("mov","r24,r0");
+ emitcode ("pop", "r1");
break;
}
- emitcode ("anl","a,#0x%02x",((unsigned char)-1 << -rLen) );
- emitcode ("orl","a,b");
+ emitcode ("andi", "r24,0x%02x", (((unsigned char) -1 << rLen) & 0xff));
+ emitcode ("or", "r24,r1");
}
if (p_type == GPOINTER)
- emitcode("pop","b");
+ emitcode ("pop", "r1");
switch (p_type) {
case POINTER:
- emitcode("mov","@%s,a",rname);
- break;
-
+ case IPOINTER:
+ case PPOINTER:
case FPOINTER:
- emitcode("movx","@dptr,a");
+ emitcode ("st", "%s,r24", rname);
break;
-
+
case GPOINTER:
- emitcode("lcall","__gptrput");
- break;
+ emitcode ("mov","r0,r24");
+ emitcode ("call", "__gptrput");
+ break;
}
}
+
/*-----------------------------------------------------------------*/
/* genDataPointerSet - remat pointer to data space */
/*-----------------------------------------------------------------*/
-static void genDataPointerSet(operand *right,
- operand *result,
- iCode *ic)
+static void
+genDataPointerSet (operand * right, operand * result, iCode * ic)
{
- int size, offset = 0 ;
+ int size, offset = 0;
char *l, buffer[256];
- aopOp(right,ic,FALSE);
-
- l = aopGet(AOP(result),0);
- size = AOP_SIZE(right);
+ aopOp (right, ic, FALSE);
+
+ l = aopGet (AOP (result), 0);
+ size = AOP_SIZE (right);
while (size--) {
if (offset)
- sprintf(buffer,"(%s + %d)",l+1,offset);
+ sprintf (buffer, "(%s + %d)", l, offset);
else
- sprintf(buffer,"%s",l+1);
- emitcode("mov","%s,%s",buffer,
- aopGet(AOP(right),offset++));
+ sprintf (buffer, "%s", l);
+ emitcode ("sts", "%s,%s", buffer,
+ aopGet (AOP (right), offset++));
}
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
-/* genNearPointerSet - emitcode for near pointer put */
+/* genNearPointerSet - emitcode for near pointer put */
/*-----------------------------------------------------------------*/
-static void genNearPointerSet (operand *right,
- operand *result,
- iCode *ic)
+static void
+genMemPointerSet (operand * right, operand * result, iCode * ic, iCode *pi)
{
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname , *l;
+ char *frname = NULL, *rname, *l;
+ int gotFreePtr = 0;
sym_link *retype;
- sym_link *ptype = operandType(result);
-
- retype= getSpec(operandType(right));
-
- aopOp(result,ic,FALSE);
-
+ sym_link *ptype = operandType (result);
+
+ 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);
+ if (AOP_TYPE (result) == AOP_IMMD &&
+ DCL_TYPE (ptype) == POINTER && !IS_BITVAR (retype)) {
+ genDataPointerSet (right, result, ic);
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,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(result),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(result),0);
-
- freeAsmop(result,NULL,ic,TRUE);
- aopOp (right,ic,FALSE);
-
- /* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genPackBits (retype,right,rname,POINTER);
- else {
- /* we have can just get the values */
- int size = AOP_SIZE(right);
- int offset = 0 ;
-
- while (size--) {
- l = aopGet(AOP(right),offset);
- if (*l == '@' ) {
- MOVA(l);
- emitcode("mov","@%s,a",rname);
- } else
- emitcode("mov","@%s,%s",rname,l);
- if (size)
- emitcode("inc","%s",rname);
- offset++;
+ /* otherwise get a free pointer register */
+ aop = newAsmop (0);
+ getFreePtr (ic, &aop, FALSE, 0);
+ if (isRegPair (AOP (result) )) {
+ emitcode ("movw", "%s,%s",aop->aopu.aop_ptr->name,
+ aopGet(AOP (result), 0));
+ } else {
+ emitcode ("mov", "%s,%s", aop->aopu.aop_ptr->name,
+ aopGet (AOP (result), 0));
+ emitcode ("mov", "%s,%s", aop->aop_ptr2->name,
+ aopGet (AOP (result), 1));
}
+ gotFreePtr = 1;
+ } else {
+ aop = AOP(result);
+ frname = aopGet(aop,0);
}
-
- /* now some housekeeping stuff */
- if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(right) > 1 &&
- !OP_SYMBOL(result)->remat &&
- ( OP_SYMBOL(result)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(right) - 1;
- while (size--)
- emitcode("dec","%s",rname);
- }
+
+ aopOp (right, ic, FALSE);
+ if (AOP_ISX(aop)) {
+ rname = "X";
+ } else if (AOP_ISZ(aop)) {
+ rname = "Z";
+ } else {
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "pointer not in correct register");
+ exit (0);
}
-
- /* done */
- freeAsmop(right,NULL,ic,TRUE);
-
-
-}
-
-/*-----------------------------------------------------------------*/
-/* genPagedPointerSet - emitcode for Paged pointer put */
-/*-----------------------------------------------------------------*/
-static void genPagedPointerSet (operand *right,
- operand *result,
- iCode *ic)
-{
- asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname , *l;
- sym_link *retype;
-
- retype= getSpec(operandType(right));
-
- aopOp(result,ic,FALSE);
-
- /* if the value is already in a pointer register
- then don't need anything more */
- if (!AOP_INPREG(AOP(result))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(result),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(result),0);
-
- freeAsmop(result,NULL,ic,TRUE);
- aopOp (right,ic,FALSE);
-
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genPackBits (retype,right,rname,PPOINTER);
+ if (IS_BITVAR (retype))
+ genPackBits (retype, right, rname, POINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(right);
- int offset = 0 ;
-
- while (size--) {
- l = aopGet(AOP(right),offset);
-
- MOVA(l);
- emitcode("movx","@%s,a",rname);
-
- if (size)
- emitcode("inc","%s",rname);
+ /* we have can just get the values */
+ int size = AOP_SIZE (right);
+ int offset = 0;
+ while (size--) {
+ l = aopGet (AOP (right), offset);
+ if (size || pi)
+ emitcode ("st", "%s+,%s", rname,l);
+ else
+ emitcode ("st", "%s,%s", rname,l);
offset++;
}
}
-
+
/* now some housekeeping stuff */
- if (aop) {
- /* we had to allocate for this iCode */
- freeAsmop(NULL,aop,ic,TRUE);
- } else {
- /* we did not allocate which means left
- already in a pointer register, then
- if size > 0 && this could be used again
- we have to point it back to where it
- belongs */
- if (AOP_SIZE(right) > 1 &&
- !OP_SYMBOL(result)->remat &&
- ( OP_SYMBOL(result)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(right) - 1;
- while (size--)
- emitcode("dec","%s",rname);
+ if (gotFreePtr) {
+ /* we had to allocate for this iCode */
+ if (pi) {
+ if (isRegPair (AOP (result) )) {
+ emitcode ("movw", "%s,%s",
+ aopGet(AOP(result),0),
+ aop->aopu.aop_ptr->name);
+ } else {
+ emitcode ("mov", "%s,%s", aop->aopu.aop_ptr->name,
+ aopGet (AOP (result), 0));
+ emitcode ("mov", "%s,%s", aop->aop_ptr2->name,
+ aopGet (AOP (result), 1));
+ }
+ }
+ freeAsmop (NULL, aop, ic, TRUE);
+ } else {
+
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if ((AOP_SIZE (right) > 1 &&
+ !OP_SYMBOL (result)->remat &&
+ (OP_SYMBOL (right)->liveTo > ic->seq || ic->depth)) && !pi) {
+ int size = AOP_SIZE (right) - 1;
+ emitcode ("sbiw", "%s,%d",frname,size);
}
}
/* done */
- freeAsmop(right,NULL,ic,TRUE);
-
-
+ if (pi) pi->generated = 1;
+ freeAsmop (result, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
-/* genFarPointerSet - set value from far space */
+/* genGenPointerSet - set value from generic pointer space */
/*-----------------------------------------------------------------*/
-static void genFarPointerSet (operand *right,
- operand *result, iCode *ic)
+static void
+genGenPointerSet (operand * right, operand * result, iCode * ic, iCode *pi)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(right));
-
- aopOp(result,ic,FALSE);
-
- /* if the operand is already in dptr
+ int size, offset;
+ int gotFreePtr = 0;
+ sym_link *retype = getSpec (operandType (right));
+ asmop *aop = NULL;
+
+ 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)
- emitcode("mov","dptr,%s",aopGet(AOP(result),0));
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(result),0));
- emitcode("mov","dph,%s",aopGet(AOP(result),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(result),2));
- }
+ if (AOP_ISZ(AOP(result))) {
+ aop = AOP(right);
+ } else {
+ aop = newAsmop(0);
+ getFreePtr(ic,&aop,FALSE,TRUE);
+ if (isRegPair(AOP(result))) {
+ emitcode ("movw", "r30,%s", aopGet (AOP (result), 0));
+ } else {
+ emitcode ("mov", "r30,%s", aopGet (AOP (result), 0));
+ emitcode ("mov", "r31,%s", aopGet (AOP (result), 1));
}
+ emitcode ("mov", "r24,%s", aopGet (AOP (result), 2));
+ gotFreePtr=1;
}
- /* so dptr know contains the address */
- freeAsmop(result,NULL,ic,TRUE);
- aopOp(right,ic,FALSE);
-
+
+ /* so Z register now contains the address */
+ aopOp (right, ic, FALSE);
+
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genPackBits(retype,right,"dptr",FPOINTER);
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, "Z", GPOINTER);
else {
- size = AOP_SIZE(right);
- offset = 0 ;
-
+ size = AOP_SIZE (right);
+ offset = 0;
+
while (size--) {
- char *l = aopGet(AOP(right),offset++);
- MOVA(l);
- emitcode("movx","@dptr,a");
- if (size)
- emitcode("inc","dptr");
- }
- }
-
- freeAsmop(right,NULL,ic,TRUE);
-}
-
-/*-----------------------------------------------------------------*/
-/* genGenPointerSet - set value from generic pointer space */
-/*-----------------------------------------------------------------*/
-static void genGenPointerSet (operand *right,
- operand *result, iCode *ic)
-{
- int size, offset ;
- sym_link *retype = getSpec(operandType(right));
-
- 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) {
- emitcode("mov","dptr,%s",aopGet(AOP(result),0));
- emitcode("mov","b,%s + 1",aopGet(AOP(result),0));
- }
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(result),0));
- emitcode("mov","dph,%s",aopGet(AOP(result),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(result),2));
- emitcode("mov","b,%s",aopGet(AOP(result),3));
- }
+ char *l = aopGet(AOP (right), offset++);
+ MOVR0(l);
+
+ if (size || pi)
+ emitcode ("call", "__gptrput_pi");
else
- {
- emitcode("mov","b,%s",aopGet(AOP(result),2));
- }
+ emitcode ("call", "__gptrput");
}
}
- /* so dptr know contains the address */
- freeAsmop(result,NULL,ic,TRUE);
- aopOp(right,ic,FALSE);
- /* if bit then unpack */
- if (IS_BITVAR(retype))
- genPackBits(retype,right,"dptr",GPOINTER);
- else {
- size = AOP_SIZE(right);
- offset = 0 ;
+ /* now some housekeeping stuff */
+ if (gotFreePtr) {
+ /* we had to allocate for this iCode */
+ if (pi) {
+ if (isRegPair(AOP(result))) {
+ emitcode ("movw", "%s,r30", aopGet (AOP (result), 0));
+ } else {
+ emitcode ("mov", "%s,r30", aopGet (AOP (result), 0));
+ emitcode ("mov", "%s,r31", aopGet (AOP (result), 1));
+ }
+ }
+ freeAsmop (NULL, aop, ic, TRUE);
+ } else {
- while (size--) {
- char *l = aopGet(AOP(right),offset++);
- MOVA(l);
- emitcode("lcall","__gptrput");
- if (size)
- emitcode("inc","dptr");
+ /* we did not allocate which means left
+ already in a pointer register, then
+ if size > 0 && this could be used again
+ we have to point it back to where it
+ belongs */
+ if ((AOP_SIZE (right) > 1 &&
+ !OP_SYMBOL (result)->remat &&
+ (OP_SYMBOL (result)->liveTo > ic->seq || ic->depth)) && !pi) {
+ int size = AOP_SIZE (right) - 1;
+ emitcode ("sbiw", "r30,%d",size);
}
}
-
- freeAsmop(right,NULL,ic,TRUE);
+ if (pi) pi->generated = 1;
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genPointerSet - stores the value into a pointer location */
/*-----------------------------------------------------------------*/
-static void genPointerSet (iCode *ic)
-{
- operand *right, *result ;
+static void
+genPointerSet (iCode * ic, iCode *pi)
+{
+ operand *right, *result;
sym_link *type, *etype;
int p_type;
- right = IC_RIGHT(ic);
- result = IC_RESULT(ic) ;
+ right = IC_RIGHT (ic);
+ result = IC_RESULT (ic);
/* depending on the type of pointer we need to
move it to the correct pointer register */
- type = operandType(result);
- etype = getSpec(type);
+ type = operandType (result);
+ etype = getSpec (type);
/* if left is of type of pointer then it is simple */
- if (IS_PTR(type) && !IS_FUNC(type->next)) {
- p_type = DCL_TYPE(type);
+ if (IS_PTR (type) && !IS_FUNC (type->next)) {
+ p_type = DCL_TYPE (type);
}
else {
- /* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
-
- /* if (SPEC_OCLS(etype)->codesp ) { */
- /* p_type = CPOINTER ; */
- /* } */
- /* else */
- /* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
- /* p_type = FPOINTER ; */
- /* else */
- /* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
- /* p_type = PPOINTER ; */
- /* else */
- /* if (SPEC_OCLS(etype) == idata ) */
- /* p_type = IPOINTER ; */
- /* else */
- /* p_type = POINTER ; */
+ /* we have to go by the storage class */
+ p_type = PTR_TYPE (SPEC_OCLS (etype));
+
}
/* now that we have the pointer type we assign
case POINTER:
case IPOINTER:
- genNearPointerSet (right,result,ic);
- break;
-
case PPOINTER:
- genPagedPointerSet (right,result,ic);
- break;
-
case FPOINTER:
- genFarPointerSet (right,result,ic);
+ genMemPointerSet (right, result, ic, pi);
break;
case GPOINTER:
- genGenPointerSet (right,result,ic);
+ genGenPointerSet (right, result, ic, pi);
break;
+
+ default:
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "genPointerSet: illegal pointer type");
}
}
/*-----------------------------------------------------------------*/
/* genIfx - generate code for Ifx statement */
/*-----------------------------------------------------------------*/
-static void genIfx (iCode *ic, iCode *popIc)
+static void
+genIfx (iCode * ic, iCode * popIc)
{
- operand *cond = IC_COND(ic);
- int isbit =0;
+ operand *cond = IC_COND (ic);
+ char *cname ;
+ symbol *lbl;
+ int tob = 0;
- aopOp(cond,ic,FALSE);
+ aopOp (cond, ic, FALSE);
- /* get the value into acc */
- if (AOP_TYPE(cond) != AOP_CRY)
- toBoolean(cond,"",0);
- else
- isbit = 1;
+ /* get the value into acc */
+ if (AOP_SIZE(cond) == 1 && AOP_ISHIGHREG(AOP(cond),0)) {
+ cname = aopGet(AOP(cond),0);
+ } else {
+ toBoolean (cond, "r24", 0);
+ tob = 1;
+ cname = "r24";
+ }
/* the result is now in the accumulator */
- freeAsmop(cond,NULL,ic,TRUE);
+ 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); */
- /* } */
- /* else */
- /* if (isbit && !IS_ITEMP(cond)) */
- /* // genIfxJump(ic,OP_SYMBOL(cond)->rname); */
- /* else */
- /* // genIfxJump(ic,"a"); */
-
- ic->generated = 1;
+ if (popIc) {
+ genIpop (popIc);
+ emitcode("cpi","%s,0",cname);
+ } else if (!tob) emitcode("cpi","%s,0",cname);
+
+ lbl = newiTempLabel(NULL);
+ if (IC_TRUE(ic)) {
+ emitcode ("breq","L%05d",lbl->key);
+ emitcode ("jmp","L%05d",IC_TRUE(ic)->key);
+ emitcode ("","L%05d:",lbl->key);
+ } else {
+ emitcode ("brne","L%05d",lbl->key);
+ emitcode ("jmp","L%05d",IC_FALSE(ic)->key);
+ emitcode ("","L%05d:",lbl->key);
+ }
+ ic->generated = 1;
}
/*-----------------------------------------------------------------*/
/* genAddrOf - generates code for address of */
/*-----------------------------------------------------------------*/
-static void genAddrOf (iCode *ic)
+static void
+genAddrOf (iCode * ic)
{
- symbol *sym = OP_SYMBOL(IC_LEFT(ic));
- int size, offset ;
-
- aopOp(IC_RESULT(ic),ic,FALSE);
+ symbol *sym = OP_SYMBOL (IC_LEFT (ic));
+ int size, offset;
- /* if the operand is on the stack then we
+ aopOp (IC_RESULT (ic), ic, FALSE);
+ assert(AOP_SIZE(IC_RESULT(ic)) >= 2);
+ /* 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 it has an offset then we need to compute it */
if (sym->stack) {
- emitcode("mov","a,_bp");
- emitcode("add","a,#0x%02x",((char) sym->stack & 0xff));
- aopPut(AOP(IC_RESULT(ic)),"a",0);
- } else {
- /* we can just move _bp */
- aopPut(AOP(IC_RESULT(ic)),"_bp",0);
- }
- /* fill the result with zero */
- size = AOP_SIZE(IC_RESULT(ic)) - 1;
-
-
- 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++);
+ if (allHigh(AOP(IC_RESULT(ic)))) {
+ if (isRegPair (AOP(IC_RESULT(ic)))) {
+ emitcode ("movw","%s,r28",aopGet(AOP(IC_RESULT(ic)),0));
+ } else {
+ emitcode ("mov","%s,r28",aopGet(AOP(IC_RESULT(ic)),0));
+ emitcode ("mov","%s,r29",aopGet(AOP(IC_RESULT(ic)),1));
+ }
+ if (sym->stack < 0) {
+ emitcode("subi","%s,<(%d)",aopGet(AOP(IC_RESULT(ic)),0),-sym->stack);
+ emitcode("sbci","%s,>(%d)",aopGet(AOP(IC_RESULT(ic)),1),-sym->stack);
+ } else {
+ emitcode("subi","%s,<(-%d)",aopGet(AOP(IC_RESULT(ic)),0),sym->stack);
+ emitcode("sbci","%s,>(-%d)",aopGet(AOP(IC_RESULT(ic)),1),sym->stack);
+ }
+ } else {
+ emitcode("movw","r24,r28");
+ if (sym->stack > -63 && sym->stack < 63) {
+ if (sym->stack < 0)
+ emitcode("sbiw","r24,%d",-sym->stack);
+ else
+ emitcode("sbiw","r24,%d",sym->stack);
+ } else {
+ if (sym->stack < 0) {
+ emitcode("subi","r24,<(%d)",-sym->stack);
+ emitcode("sbci","r25,>(%d)",-sym->stack);
+ } else {
+ emitcode("subi","r24,<(-%d)",sym->stack);
+ emitcode("sbci","r25,>(-%d)",sym->stack);
}
+ }
+
+ aopPut(AOP(IC_RESULT(ic)),"r24",0);
+ aopPut(AOP(IC_RESULT(ic)),"r25",1);
}
+ }
+ else {
+ aopPut(AOP(IC_RESULT(ic)),"r28",0);
+ aopPut(AOP(IC_RESULT(ic)),"r29",1);
+ }
+ /* fill the result with zero */
+ size = AOP_SIZE (IC_RESULT (ic)) - 2;
+ offset = 2;
+ while (size--) {
+ aopPut (AOP (IC_RESULT (ic)), zero, offset++);
+ }
goto release;
}
/* object not on stack then we need the name */
- size = AOP_SIZE(IC_RESULT(ic));
+ size = AOP_SIZE (IC_RESULT (ic));
offset = 0;
-
+ assert(size<=2);
while (size--) {
char s[SDCC_NAME_MAX];
- if (offset)
- sprintf(s,"#(%s >> %d)",
- sym->rname,
- offset*8);
+ if (offset)
+ sprintf (s, ">(%s)", sym->rname);
else
- sprintf(s,"#%s",sym->rname);
- aopPut(AOP(IC_RESULT(ic)),s,offset++);
+ sprintf (s, "<(%s)", sym->rname);
+ aopPut (AOP (IC_RESULT (ic)), s, offset++);
}
- release:
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genFarFarAssign - assignment when both are in far space */
/*-----------------------------------------------------------------*/
-static void genFarFarAssign (operand *result, operand *right, iCode *ic)
+static void
+genFarFarAssign (operand * result, operand * right, iCode * ic)
{
- int size = AOP_SIZE(right);
+ int size = AOP_SIZE (right);
int offset = 0;
- char *l ;
+ char *l;
/* first push the right side on to the stack */
while (size--) {
- l = aopGet(AOP(right),offset++);
- MOVA(l);
- emitcode ("push","acc");
+ l = aopGet (AOP (right), offset++);
+ MOVA (l);
+ emitcode ("push", "acc");
}
-
- freeAsmop(right,NULL,ic,FALSE);
+
+ freeAsmop (right, NULL, ic, FALSE);
/* now assign DPTR to result */
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
while (size--) {
- emitcode ("pop","acc");
- aopPut(AOP(result),"a",--offset);
+ emitcode ("pop", "acc");
+ aopPut (AOP (result), "a", --offset);
}
- freeAsmop(result,NULL,ic,FALSE);
-
+ freeAsmop (result, NULL, ic, FALSE);
+
}
/*-----------------------------------------------------------------*/
/* genAssign - generate code for assignment */
/*-----------------------------------------------------------------*/
-static void genAssign (iCode *ic)
+static void
+genAssign (iCode * ic)
{
operand *result, *right;
- int size, offset ;
+ int size, offset;
unsigned long lit = 0L;
- result = IC_RESULT(ic);
- right = IC_RIGHT(ic) ;
+ result = IC_RESULT (ic);
+ right = IC_RIGHT (ic);
/* if they are the same */
- if (operandsEqu (IC_RESULT(ic),IC_RIGHT(ic)))
- return ;
+ if (operandsEqu (IC_RESULT (ic), IC_RIGHT (ic)))
+ return;
+
+ aopOp (right, ic, FALSE);
- aopOp(right,ic,FALSE);
-
/* special case both in far space */
- if (AOP_TYPE(right) == AOP_DPTR &&
- IS_TRUE_SYMOP(result) &&
- isOperandInFarSpace(result)) {
-
- genFarFarAssign (result,right,ic);
- return ;
+ if (AOP_TYPE (right) == AOP_DPTR &&
+ IS_TRUE_SYMOP (result) && isOperandInFarSpace (result)) {
+
+ genFarFarAssign (result, right, ic);
+ return;
}
- aopOp(result,ic,TRUE);
+ aopOp (result, ic, TRUE);
/* if they are the same registers */
- if (sameRegs(AOP(right),AOP(result)))
+ if (sameRegs (AOP (right), AOP (result)))
goto release;
/* if the result is a bit */
- if (AOP_TYPE(result) == AOP_CRY) {
+ 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) {
- if (((int) operandLitValue(right)))
- aopPut(AOP(result),one,0);
+ /* if the right size is a literal then
+ we know what the value is */
+ if (AOP_TYPE (right) == AOP_LIT) {
+ if (((int) operandLitValue (right)))
+ aopPut (AOP (result), one, 0);
else
- aopPut(AOP(result),zero,0);
+ aopPut (AOP (result), zero, 0);
goto release;
}
- /* the right is also a bit variable */
- if (AOP_TYPE(right) == AOP_CRY) {
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- aopPut(AOP(result),"c",0);
- goto release ;
+ /* the right is also a bit variable */
+ if (AOP_TYPE (right) == AOP_CRY) {
+ emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
+ aopPut (AOP (result), "c", 0);
+ goto release;
}
- /* we need to or */
- toBoolean(right,"",0);
- aopPut(AOP(result),"a",0);
- goto release ;
+ /* we need to or */
+ toBoolean (right, "", 0);
+ 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);
- if((size > 1) &&
- (AOP_TYPE(result) != AOP_REG) &&
- (AOP_TYPE(right) == AOP_LIT) &&
- !IS_FLOAT(operandType(right)) &&
- (lit < 256L)){
- emitcode("clr","a");
+ size = AOP_SIZE (result);
+ offset = 0;
+ if (AOP_TYPE (right) == AOP_LIT)
+ lit =
+ (unsigned long) floatFromVal (AOP (right)->aopu.
+ aop_lit);
+ if ((size > 1) && (AOP_TYPE (result) != AOP_REG)
+ && (AOP_TYPE (right) == AOP_LIT)
+ && !IS_FLOAT (operandType (right)) && (lit < 256L)) {
+ emitcode ("clr", "a");
while (size--) {
- if((unsigned int)((lit >> (size*8)) & 0x0FFL)== 0)
- aopPut(AOP(result),"a",size);
+ if ((unsigned int) ((lit >> (size * 8)) & 0x0FFL) ==
+ 0) aopPut (AOP (result), "a", size);
else
- aopPut(AOP(result),
- aopGet(AOP(right),size),
- size);
+ aopPut (AOP (result),
+ aopGet (AOP (right), size), size);
}
- } else {
+ }
+ else {
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset), offset);
offset++;
}
}
-
- release:
- freeAsmop (right,NULL,ic,FALSE);
- freeAsmop (result,NULL,ic,TRUE);
-}
+
+ release:
+ freeAsmop (right, NULL, ic, FALSE);
+ freeAsmop (result, NULL, ic, TRUE);
+}
/*-----------------------------------------------------------------*/
/* genJumpTab - genrates code for jump table */
/*-----------------------------------------------------------------*/
-static void genJumpTab (iCode *ic)
+static void
+genJumpTab (iCode * ic)
{
symbol *jtab;
char *l;
- aopOp(IC_JTCOND(ic),ic,FALSE);
+ aopOp (IC_JTCOND (ic), ic, FALSE);
/* get the condition into accumulator */
- l = aopGet(AOP(IC_JTCOND(ic)),0);
- MOVA(l);
+ l = aopGet (AOP (IC_JTCOND (ic)), 0);
+ MOVA (l);
/* multiply by three */
- emitcode("add","a,acc");
- emitcode("add","a,%s",aopGet(AOP(IC_JTCOND(ic)),0));
- freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE);
-
- jtab = newiTempLabel(NULL);
- emitcode("mov","dptr,#%05d$",jtab->key+100);
- emitcode("jmp","@a+dptr");
- emitcode("","%05d$:",jtab->key+100);
+ emitcode ("add", "a,acc");
+ emitcode ("add", "a,%s", aopGet (AOP (IC_JTCOND (ic)), 0));
+ freeAsmop (IC_JTCOND (ic), NULL, ic, TRUE);
+
+ jtab = newiTempLabel (NULL);
+ emitcode ("mov", "dptr,#%05d$", jtab->key + 100);
+ emitcode ("jmp", "@a+dptr");
+ emitcode ("", "%05d$:", jtab->key + 100);
/* now generate the jump labels */
- for (jtab = setFirstItem(IC_JTLABELS(ic)) ; jtab;
- jtab = setNextItem(IC_JTLABELS(ic)))
- emitcode("ljmp","%05d$",jtab->key+100);
+ for (jtab = setFirstItem (IC_JTLABELS (ic)); jtab;
+ jtab = setNextItem (IC_JTLABELS (ic)))
+ emitcode ("ljmp", "%05d$", jtab->key + 100);
}
/*-----------------------------------------------------------------*/
/* genCast - gen code for casting */
/*-----------------------------------------------------------------*/
-static void genCast (iCode *ic)
+static void
+genCast (iCode * ic)
{
- 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 ;
+ 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;
/* if they are equivalent then do nothing */
- if (operandsEqu(IC_RESULT(ic),IC_RIGHT(ic)))
- return ;
+ if (operandsEqu (IC_RESULT (ic), IC_RIGHT (ic)))
+ return;
- aopOp(right,ic,FALSE) ;
- aopOp(result,ic,FALSE);
+ aopOp (right, ic, FALSE);
+ aopOp (result, ic, FALSE);
/* 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) {
- if (((int) operandLitValue(right)))
- aopPut(AOP(result),one,0);
+ 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) {
+ if (((int) operandLitValue (right)))
+ aopPut (AOP (result), one, 0);
else
- aopPut(AOP(result),zero,0);
+ aopPut (AOP (result), zero, 0);
goto release;
}
- /* the right is also a bit variable */
- if (AOP_TYPE(right) == AOP_CRY) {
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- aopPut(AOP(result),"c",0);
- goto release ;
+ /* the right is also a bit variable */
+ if (AOP_TYPE (right) == AOP_CRY) {
+ emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
+ aopPut (AOP (result), "c", 0);
+ goto release;
}
- /* we need to or */
- toBoolean(right,"",0);
- aopPut(AOP(result),"a",0);
- goto release ;
+ /* we need to or */
+ toBoolean (right, "", 0);
+ aopPut (AOP (result), "a", 0);
+ goto release;
}
/* if they are the same size : or less */
- if (AOP_SIZE(result) <= AOP_SIZE(right)) {
+ if (AOP_SIZE (result) <= AOP_SIZE (right)) {
- /* if they are in the same place */
- if (sameRegs(AOP(right),AOP(result)))
+ /* if they are in the same place */
+ if (sameRegs (AOP (right), AOP (result)))
goto release;
- /* if they in different places then copy */
- size = AOP_SIZE(result);
- offset = 0 ;
+ /* if they in different places then copy */
+ size = AOP_SIZE (result);
+ offset = 0;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset), offset);
offset++;
}
goto release;
/* if the result is of type pointer */
- if (IS_PTR(ctype)) {
+ if (IS_PTR (ctype)) {
int p_type;
- sym_link *type = operandType(right);
- sym_link *etype = getSpec(type);
-
- /* pointer to generic pointer */
- if (IS_GENPTR(ctype)) {
- char *l = zero;
-
- if (IS_PTR(type))
- p_type = DCL_TYPE(type);
+ sym_link *type = operandType (right);
+ sym_link *etype = getSpec (type);
+
+ /* pointer to generic pointer */
+ if (IS_GENPTR (ctype)) {
+ if (IS_PTR (type))
+ p_type = DCL_TYPE (type);
else {
/* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
+ p_type = PTR_TYPE (SPEC_OCLS (etype));
}
-
+
/* the first two bytes are known */
- size = GPTRSIZE - 1;
- offset = 0 ;
+ size = GPTRSIZE - 1;
+ offset = 0;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset), offset);
offset++;
}
- /* the last byte depending on type */
- switch (p_type) {
- case IPOINTER:
- case POINTER:
- l = zero;
- break;
- case FPOINTER:
- l = one;
- break;
- case CPOINTER:
- l = "#0x02";
- break;
- case PPOINTER:
- l = "#0x03";
- break;
-
- default:
- /* this should never happen */
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "got unknown pointer type");
- exit(1);
+
+ /* the last byte depending on type */
+ {
+ int gpVal = pointerTypeToGPByte(p_type, NULL, NULL);
+ char gpValStr[10];
+
+ if (gpVal == -1)
+ {
+ // pointerTypeToGPByte will have bitched.
+ exit(1);
}
- aopPut(AOP(result),l, GPTRSIZE - 1);
- goto release ;
+
+ sprintf(gpValStr, "#0x%x", gpVal);
+ aopPut (AOP (result), gpValStr, GPTRSIZE - 1);
+ }
+ goto release;
}
-
- /* just copy the pointers */
- size = AOP_SIZE(result);
- offset = 0 ;
+
+ /* just copy the pointers */
+ size = AOP_SIZE (result);
+ offset = 0;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset), offset);
offset++;
}
- goto release ;
+ goto release;
}
-
+
/* so we now know that the size of destination is greater
than the size of the source */
/* we move to result for the size of source */
- size = AOP_SIZE(right);
- offset = 0 ;
+ size = AOP_SIZE (right);
+ offset = 0;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
+ aopPut (AOP (result), aopGet (AOP (right), offset), offset);
offset++;
}
/* now depending on the sign of the source && destination */
- size = AOP_SIZE(result) - AOP_SIZE(right);
+ size = AOP_SIZE (result) - AOP_SIZE (right);
/* if unsigned or not an integral type */
- if (SPEC_USIGN(rtype) || !IS_SPEC(rtype)) {
+ if (SPEC_USIGN (rtype) || !IS_SPEC (rtype)) {
while (size--)
- aopPut(AOP(result),zero,offset++);
- } else {
- /* we need to extend the sign :{ */
- char *l = aopGet(AOP(right),AOP_SIZE(right) - 1);
- MOVA(l);
- emitcode("rlc","a");
- emitcode("subb","a,acc");
+ aopPut (AOP (result), zero, offset++);
+ }
+ else {
+ /* we need to extend the sign :{ */
+ // PENDING: Does nothing on avr
+#if 0
+ char *l = aopGet (AOP (right), AOP_SIZE (right) - 1);
+ MOVA (l);
+#endif
+ emitcode ("rlc", "a");
+ emitcode ("subb", "a,acc");
while (size--)
- aopPut(AOP(result),"a",offset++);
+ aopPut (AOP (result), "a", offset++);
}
/* we are done hurray !!!! */
- release:
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ release:
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genDjnz - generate decrement & jump if not zero instrucion */
/*-----------------------------------------------------------------*/
-static int genDjnz (iCode *ic, iCode *ifx)
+static int
+genDjnz (iCode * ic, iCode * ifx)
{
symbol *lbl, *lbl1;
if (!ifx)
return 0;
-
+
/* if the if condition has a false label
then we cannot save */
- if (IC_FALSE(ifx))
+ if (IC_FALSE (ifx))
return 0;
- /* if the minus is not of the form
+ /* if the minus is not of the form
a = a - 1 */
- if (!isOperandEqual(IC_RESULT(ic),IC_LEFT(ic)) ||
- !IS_OP_LITERAL(IC_RIGHT(ic)))
+ if (!isOperandEqual (IC_RESULT (ic), IC_LEFT (ic)) ||
+ !IS_OP_LITERAL (IC_RIGHT (ic)))
return 0;
- if (operandLitValue(IC_RIGHT(ic)) != 1)
+ if (operandLitValue (IC_RIGHT (ic)) != 1)
return 0;
/* if the size of this greater than one then no
saving */
- if (getSize(operandType(IC_RESULT(ic))) > 1)
+ if (getSize (operandType (IC_RESULT (ic))) > 1)
return 0;
/* otherwise we can save BIG */
- lbl = newiTempLabel(NULL);
- lbl1= newiTempLabel(NULL);
-
- aopOp(IC_RESULT(ic),ic,FALSE);
-
- if (IS_AOP_PREG(IC_RESULT(ic))) {
- emitcode("dec","%s",
- aopGet(AOP(IC_RESULT(ic)),0));
- emitcode("mov","a,%s",aopGet(AOP(IC_RESULT(ic)),0));
- emitcode("jnz","%05d$",lbl->key+100);
- } else {
- emitcode ("djnz","%s,%05d$",aopGet(AOP(IC_RESULT(ic)),0),
- lbl->key+100);
- }
- emitcode ("sjmp","%05d$",lbl1->key+100);
- emitcode ("","%05d$:",lbl->key+100);
- emitcode ("ljmp","%05d$",IC_TRUE(ifx)->key+100);
- emitcode ("","%05d$:",lbl1->key+100);
-
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ lbl = newiTempLabel (NULL);
+ lbl1 = newiTempLabel (NULL);
+
+ aopOp (IC_RESULT (ic), ic, FALSE);
+
+ if (IS_AOP_PREG (IC_RESULT (ic))) {
+ emitcode ("dec", "%s", aopGet (AOP (IC_RESULT (ic)), 0));
+ emitcode ("mov", "a,%s", aopGet (AOP (IC_RESULT (ic)), 0));
+ emitcode ("jnz", "%05d$", lbl->key + 100);
+ }
+ else {
+ emitcode ("djnz", "%s,%05d$",
+ aopGet (AOP (IC_RESULT (ic)), 0), lbl->key + 100);
+ }
+ emitcode ("sjmp", "%05d$", lbl1->key + 100);
+ emitcode ("", "%05d$:", lbl->key + 100);
+ emitcode ("ljmp", "%05d$", IC_TRUE (ifx)->key + 100);
+ emitcode ("", "%05d$:", lbl1->key + 100);
+
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
ifx->generated = 1;
return 1;
}
-static char *recvregs[8] =
-{
- "r16","r17","r18","r19","r20","r21","r22","r23"
+static char *recvregs[8] = {
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23"
};
-static recvCnt = 0;
+
+static int recvCnt = 0;
/*-----------------------------------------------------------------*/
/* genReceive - generate code for a receive iCode */
/*-----------------------------------------------------------------*/
-static void genReceive (iCode *ic)
-{
- int size , offset =0;
- aopOp(IC_RESULT(ic),ic,FALSE);
- size = AOP_SIZE(IC_RESULT(ic));
+static void
+genReceive (iCode * ic)
+{
+ int size, offset = 0;
+ aopOp (IC_RESULT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_RESULT (ic));
while (size--) {
- aopPut(AOP(IC_RESULT(ic)),recvregs[recvCnt++],offset);
+ aopPut (AOP (IC_RESULT (ic)), recvregs[recvCnt++], offset);
offset++;
}
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
+}
+
+/*-----------------------------------------------------------------*/
+/* genDummyRead - generate code for dummy read of volatiles */
+/*-----------------------------------------------------------------*/
+static void
+genDummyRead (iCode * ic)
+{
+ emitcode ("; genDummyRead","");
+ emitcode ("; not implemented","");
+
+ ic = ic;
}
/*-----------------------------------------------------------------*/
/* gen51Code - generate code for 8051 based controllers */
/*-----------------------------------------------------------------*/
-void genAVRCode (iCode *lic)
+void
+genAVRCode (iCode * lic)
{
iCode *ic;
int cln = 0;
lineHead = lineCurr = NULL;
- recvCnt =0;
+ recvCnt = 0;
/* print the allocation information */
if (allocInfo)
- printAllocInfo( currFunc, codeOutFile);
+ printAllocInfo (currFunc, codeOutBuf);
/* if debug information required */
- /* if (options.debug && currFunc) { */
- if (currFunc) {
- cdbSymbol(currFunc,cdbFile,FALSE,TRUE);
- _G.debugLine = 1;
- if (IS_STATIC(currFunc->etype))
- emitcode("","F%s$%s$0$0 ==.",moduleName,currFunc->name);
- else
- emitcode("","G$%s$0$0 ==.",currFunc->name);
- _G.debugLine = 0;
+ if (options.debug && currFunc) {
+ debugFile->writeFunction (currFunc, lic);
}
/* stack pointer name */
- if (options.useXstack)
- spname = "_spx";
- else
- spname = "sp";
-
-
- for (ic = lic ; ic ; ic = ic->next ) {
-
- if ( cln != ic->lineno ) {
- if ( options.debug ) {
- _G.debugLine = 1;
- emitcode("","C$%s$%d$%d$%d ==.",
- ic->filename,ic->lineno,
- ic->level,ic->block);
- _G.debugLine = 0;
+ spname = "sp";
+
+
+ for (ic = lic; ic; ic = ic->next) {
+
+ if (cln != ic->lineno) {
+ if (options.debug) {
+ debugFile->writeCLine (ic);
}
- emitcode(";","%s %d",ic->filename,ic->lineno);
- cln = ic->lineno ;
- }
- /* if the result is marked as
- spilt and rematerializable or code for
- this has already been generated then
- do nothing */
- if (resultRemat(ic) || ic->generated )
- continue ;
-
- /* depending on the operation */
+ emitcode (";", "%s %d", ic->filename, ic->lineno);
+ cln = ic->lineno;
+ }
+ /* if the result is marked as
+ spilt and rematerializable or code for
+ this has already been generated then
+ do nothing */
+ if (resultRemat (ic) || ic->generated)
+ continue;
+
+ /* depending on the operation */
switch (ic->op) {
- case '!' :
- genNot(ic);
+ case '!':
+ genNot (ic);
break;
-
- case '~' :
- genCpl(ic);
+
+ case '~':
+ genCpl (ic);
break;
-
+
case UNARYMINUS:
genUminus (ic);
break;
-
+
case IPUSH:
genIpush (ic);
break;
-
+
case IPOP:
- /* IPOP happens only when trying to restore a
+ /* IPOP happens only when trying to restore a
spilt live range, if there is an ifx statement
following this pop then the if statement might
be using some of the registers being popped which
would destory the contents of the register so
we need to check for this condition and handle it */
- if (ic->next &&
+ if (ic->next &&
ic->next->op == IFX &&
- regsInCommon(IC_LEFT(ic),IC_COND(ic->next)))
- genIfx (ic->next,ic);
+ regsInCommon (IC_LEFT (ic), IC_COND (ic->next)))
+ genIfx (ic->next, ic);
else
genIpop (ic);
- break;
-
+ break;
+
case CALL:
genCall (ic);
break;
-
+
case PCALL:
genPcall (ic);
break;
-
+
case FUNCTION:
genFunction (ic);
break;
-
+
case ENDFUNCTION:
genEndFunction (ic);
break;
-
+
case RETURN:
genRet (ic);
break;
-
+
case LABEL:
genLabel (ic);
break;
-
+
case GOTO:
genGoto (ic);
break;
-
- case '+' :
- genPlus (ic) ;
+
+ case '+':
+ genPlus (ic);
break;
-
- case '-' :
- if ( ! genDjnz (ic,ifxForOp(IC_RESULT(ic),ic)))
+
+ case '-':
+ if (!genDjnz (ic, ifxForOp (IC_RESULT (ic), ic)))
genMinus (ic);
break;
-
- case '*' :
+
+ case '*':
genMult (ic);
break;
-
- case '/' :
- genDiv (ic) ;
+
+ case '/':
+ genDiv (ic);
break;
-
- case '%' :
+
+ case '%':
genMod (ic);
break;
-
- case '>' :
- genCmpGt (ic,ifxForOp(IC_RESULT(ic),ic));
+
+ case '>':
+ genCmpGt (ic, ifxForOp (IC_RESULT (ic), ic));
break;
-
- case '<' :
- genCmpLt (ic,ifxForOp(IC_RESULT(ic),ic));
+
+ case '<':
+ genCmpLt (ic, ifxForOp (IC_RESULT (ic), ic));
break;
-
+
case LE_OP:
- genCmpLe (ic,ifxForOp(IC_RESULT(ic),ic));
+ genCmpLe (ic, ifxForOp (IC_RESULT (ic), ic));
break;
case GE_OP:
- genCmpGe (ic,ifxForOp(IC_RESULT(ic),ic));
+ genCmpGe (ic, ifxForOp (IC_RESULT (ic), ic));
break;
case NE_OP:
- genCmpNe (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
+ genCmpNe (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
case EQ_OP:
- genCmpEq (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
+ genCmpEq (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
case AND_OP:
genAndOp (ic);
break;
-
+
case OR_OP:
genOrOp (ic);
break;
-
- case '^' :
- genXor (ic,ifxForOp(IC_RESULT(ic),ic));
+
+ case '^':
+ genXor (ic, ifxForOp (IC_RESULT (ic), ic));
break;
-
- case '|' :
- genOr (ic,ifxForOp(IC_RESULT(ic),ic));
+
+ case '|':
+ genOr (ic, ifxForOp (IC_RESULT (ic), ic));
break;
-
+
case BITWISEAND:
- genAnd (ic,ifxForOp(IC_RESULT(ic),ic));
+ genAnd (ic, ifxForOp (IC_RESULT (ic), ic));
break;
-
+
case INLINEASM:
genInline (ic);
break;
-
+
case RRC:
genRRC (ic);
break;
-
+
case RLC:
genRLC (ic);
break;
-
+
case GETHBIT:
genGetHbit (ic);
break;
-
+
case LEFT_OP:
genLeftShift (ic);
break;
-
+
case RIGHT_OP:
genRightShift (ic);
break;
-
+
case GET_VALUE_AT_ADDRESS:
- genPointerGet(ic);
+ genPointerGet (ic, hasInc(IC_LEFT(ic),ic));
break;
-
- case '=' :
- if (POINTER_SET(ic))
- genPointerSet(ic);
+
+ case '=':
+ if (POINTER_SET (ic))
+ genPointerSet (ic, hasInc(IC_RESULT(ic),ic));
else
- genAssign(ic);
+ genAssign (ic);
break;
-
+
case IFX:
- genIfx (ic,NULL);
+ genIfx (ic, NULL);
break;
-
+
case ADDRESS_OF:
genAddrOf (ic);
break;
-
+
case JUMPTABLE:
genJumpTab (ic);
break;
-
+
case CAST:
genCast (ic);
break;
-
+
case RECEIVE:
- genReceive(ic);
+ genReceive (ic);
break;
-
+
case SEND:
- addSet(&_G.sendSet,ic);
+ addSet (&_G.sendSet, ic);
break;
- default :
+ case DUMMY_READ_VOLATILE:
+ genDummyRead (ic);
+ break;
+
+ default:
ic = ic;
- /* piCode(ic,stdout); */
-
}
}
-
- /* now we are ready to call the
+
+ /* now we are ready to call the
peep hole optimizer */
if (!options.nopeep)
peepHole (&lineHead);
/* now do the actual printing */
- printLine (lineHead,codeOutFile);
+ printLine (lineHead, codeOutBuf);
return;
}
projects / fw / sdcc / blobdiff