#include "pcode.h"
#include "gen.h"
-/*
- if(IC_RESULT(ic) && AOP(IC_RESULT(ic)))
- DEBUGpic14_emitcode ("; ","result %s",
- AopType(AOP_TYPE(IC_RESULT(ic))));
-
- if(IC_LEFT(ic) && AOP(IC_LEFT(ic)))
- DEBUGpic14_emitcode ("; ","left %s",
- AopType(AOP_TYPE(IC_LEFT(ic))));
-
- if(IC_RIGHT(ic) && AOP(IC_RIGHT(ic)))
- DEBUGpic14_emitcode ("; ","right %s",
- AopType(AOP_TYPE(IC_RIGHT(ic))));
-*/
-
static int labelOffset=0;
static int debug_verbose=1;
unsigned int pic14aopLiteral (value *val, int offset);
const char *AopType(short type);
+static iCode *ifxForOp ( operand *op, iCode *ic );
#define BYTEofLONG(l,b) ( (l>> (b<<3)) & 0xff)
/*-----------------------------------------------------------------*/
void pic14_outAcc(operand *result)
{
+ int size,offset;
+ DEBUGpic14_emitcode ("; ***","%s %d - ",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,NULL,NULL,result);
- DEBUGpic14_emitcode ("; ***","%s %d - Warning no code will be generated here",__FUNCTION__,__LINE__);
-#if 0
- size = pic14_getDataSize(result);
- if(size){
- aopPut(AOP(result),"a",0);
- size--;
- offset = 1;
- /* unsigned or positive */
- while(size--){
- aopPut(AOP(result),zero,offset++);
- }
- }
-#endif
+ size = pic14_getDataSize(result);
+ if(size){
+ emitpcode(POC_MOVWF,popGet(AOP(result),0));
+ size--;
+ offset = 1;
+ /* unsigned or positive */
+ while(size--)
+ emitpcode(POC_CLRF,popGet(AOP(result),offset++));
+ }
+
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genNot (iCode *ic)
{
- symbol *tlbl;
- sym_link *optype = operandType(IC_LEFT(ic));
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ symbol *tlbl;
+ sym_link *optype = operandType(IC_LEFT(ic));
+ int size;
- /* if in bit space then a special case */
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) {
- pic14_emitcode("movlw","1<<%s");
- //pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- //pic14_emitcode("cpl","c");
- //pic14_outBitC(IC_RESULT(ic));
- goto release;
- }
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign asmOps to operand & result */
+ aopOp (IC_LEFT(ic),ic,FALSE);
+ aopOp (IC_RESULT(ic),ic,TRUE);
+
+ DEBUGpic14_AopType(__LINE__,IC_LEFT(ic),NULL,IC_RESULT(ic));
+ /* if in bit space then a special case */
+ if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) {
+ pic14_emitcode("movlw","1<<%s");
+ //pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
+ //pic14_emitcode("cpl","c");
+ //pic14_outBitC(IC_RESULT(ic));
+ goto release;
+ }
- /* if type float then do float */
- if (IS_FLOAT(optype)) {
- genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ /* if type float then do float */
+ if (IS_FLOAT(optype)) {
+ genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
+ goto release;
+ }
- pic14_toBoolean(IC_LEFT(ic));
+ size = AOP_SIZE(IC_RESULT(ic));
+ if(size == 1) {
+ emitpcode(POC_COMFW,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_ANDLW,popGetLit(1));
+ emitpcode(POC_MOVWF,popGet(AOP(IC_RESULT(ic)),0));
+ goto release;
+ }
+ pic14_toBoolean(IC_LEFT(ic));
- tlbl = newiTempLabel(NULL);
- pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- pic14_outBitC(IC_RESULT(ic));
+ tlbl = newiTempLabel(NULL);
+ pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitC(IC_RESULT(ic));
-release:
- /* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
static void genUminus (iCode *ic)
{
- int offset ,size ;
- sym_link *optype, *rtype;
+ int size, i;
+ sym_link *optype, *rtype;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmops */
- aopOp(IC_LEFT(ic),ic,FALSE);
- aopOp(IC_RESULT(ic),ic,TRUE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign asmops */
+ aopOp(IC_LEFT(ic),ic,FALSE);
+ aopOp(IC_RESULT(ic),ic,TRUE);
- /* if both in bit space then special
- case */
- if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
+ /* if both in bit space then special
+ case */
+ if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
+ AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
- pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- pic14_emitcode("cpl","c");
- pic14_emitcode("mov","%s,c",IC_RESULT(ic)->aop->aopu.aop_dir);
- goto release;
- }
+ emitpcode(POC_BCF, popGet(AOP(IC_RESULT(ic)),0));
+ emitpcode(POC_BTFSS, popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_BSF, popGet(AOP(IC_RESULT(ic)),0));
- optype = operandType(IC_LEFT(ic));
- rtype = operandType(IC_RESULT(ic));
+ goto release;
+ }
- /* if float then do float stuff */
- if (IS_FLOAT(optype)) {
- genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ optype = operandType(IC_LEFT(ic));
+ rtype = operandType(IC_RESULT(ic));
- /* otherwise subtract from zero */
- size = AOP_SIZE(IC_LEFT(ic));
- offset = 0 ;
- CLRC ;
- while(size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE);
- if (!strcmp(l,"a")) {
- pic14_emitcode("cpl","a");
- pic14_emitcode("inc","a");
- } else {
- pic14_emitcode("clr","a");
- pic14_emitcode("subb","a,%s",l);
- }
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
+ /* if float then do float stuff */
+ if (IS_FLOAT(optype)) {
+ genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
+ goto release;
+ }
+
+ /* otherwise subtract from zero by taking the 2's complement */
+ size = AOP_SIZE(IC_LEFT(ic));
+
+ for(i=0; i<size; i++) {
+ if (pic14_sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) )
+ emitpcode(POC_COMF, popGet(AOP(IC_LEFT(ic)),i));
+ else {
+ emitpcode(POC_COMFW, popGet(AOP(IC_LEFT(ic)),i));
+ emitpcode(POC_MOVWF, popGet(AOP(IC_RESULT(ic)),i));
}
+ }
- /* if any remaining bytes in the result */
- /* we just need to propagate the sign */
- if ((size = (AOP_SIZE(IC_RESULT(ic)) - AOP_SIZE(IC_LEFT(ic))))) {
- pic14_emitcode("rlc","a");
- pic14_emitcode("subb","a,acc");
- while (size--)
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
- }
+ emitpcode(POC_INCF, popGet(AOP(IC_RESULT(ic)),0));
+ for(i=1; i<size; i++) {
+ emitSKPNZ;
+ emitpcode(POC_INCF, popGet(AOP(IC_RESULT(ic)),i));
+ }
-release:
- /* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
}
-/*-----------------------------------------------------------------*/
-/* genXpush - pushes onto the external stack */
-/*-----------------------------------------------------------------*/
-static void genXpush (iCode *ic)
-{
- asmop *aop = newAsmop(0);
- regs *r ;
- int size,offset = 0;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(IC_LEFT(ic),ic,FALSE);
- r = getFreePtr(ic,&aop,FALSE);
-
-
- pic14_emitcode("mov","%s,_spx",r->name);
-
- size = AOP_SIZE(IC_LEFT(ic));
- while(size--) {
-
- char *l = aopGet(AOP(IC_LEFT(ic)),
- offset++,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("movx","@%s,a",r->name);
- pic14_emitcode("inc","%s",r->name);
-
- }
-
-
- pic14_emitcode("mov","_spx,%s",r->name);
-
- freeAsmop(NULL,aop,ic,TRUE);
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
-}
-
/*-----------------------------------------------------------------*/
/* genIpush - genrate code for pushing this gets a little complex */
/*-----------------------------------------------------------------*/
static void genIpush (iCode *ic)
{
+
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int size, offset = 0 ;
char *l;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if this is not a parm push : ie. it is spill push
and spill push is always done on the local stack */
if (!ic->parmPush) {
registers that need to be saved */
saveRegisters(ic);
- /* if use external stack then call the external
- stack pushing routine */
- if (options.useXstack) {
- genXpush(ic);
- return ;
- }
-
/* then do the push */
aopOp(IC_LEFT(ic),ic,FALSE);
}
freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genIpop (iCode *ic)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int size,offset ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if the temp was not pushed then */
if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
return ;
FALSE,TRUE));
freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void unsaverbank (int bank,iCode *ic,bool popPsw)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i;
asmop *aop ;
regs *r = NULL;
pic14_emitcode("mov","_spx,%s",r->name);
freeAsmop(NULL,aop,ic,TRUE);
- }
+ }
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void saverbank (int bank, iCode *ic, bool pushPsw)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i;
asmop *aop ;
regs *r = NULL;
pic14_emitcode("mov","psw,#0x%02x",(bank << 3)&0x00ff);
}
ic->bankSaved = 1;
-
+#endif
}
/*-----------------------------------------------------------------*/
while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset,
- FALSE,FALSE);
DEBUGpic14_emitcode ("; ","%d left %s",__LINE__,
AopType(AOP_TYPE(IC_LEFT(sic))));
/*-----------------------------------------------------------------*/
static bool inExcludeList(char *s)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i =0;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
STRCASECMP(s,options.excludeRegs[i]) == 0)
return TRUE;
}
+#endif
return FALSE ;
}
pic14_emitcode ("goto","_%05d_DS_",(IC_LABEL(ic)->key+100)+labelOffset);
}
-/*-----------------------------------------------------------------*/
-/* findLabelBackwards: walks back through the iCode chain looking */
-/* for the given label. Returns number of iCode instructions */
-/* between that label and given ic. */
-/* Returns zero if label not found. */
-/*-----------------------------------------------------------------*/
-#if 0
-static int findLabelBackwards(iCode *ic, int key)
-{
- int count = 0;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (ic->prev)
- {
- ic = ic->prev;
- count++;
-
- if (ic->op == LABEL && IC_LABEL(ic)->key == key)
- {
- /* printf("findLabelBackwards = %d\n", count); */
- return count;
- }
- }
-
- return 0;
-}
-#endif
/*-----------------------------------------------------------------*/
/* genMultbits :- multiplication of bits */
operand *right,
operand *result)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(!pic14_sameRegs(AOP(result),AOP(right)))
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+
+ emitpcode(POC_BTFSC,popGet(AOP(right),0));
+ emitpcode(POC_BTFSS,popGet(AOP(left),0));
+ emitpcode(POC_BCF, popGet(AOP(result),0));
- pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir);
- pic14_outBitC(result);
}
int size,offset;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
/* (if two literals, the value is computed before) */
/* if one literal, literal on the right */
if (AOP_TYPE(left) == AOP_LIT){
aopOp (right,ic,FALSE);
aopOp (result,ic,TRUE);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
/* special cases first */
/* both are bits */
if (AOP_TYPE(left) == AOP_CRY &&
rifx->generated = 1;
}
+/*-----------------------------------------------------------------*/
+/* genSkipz2 */
+/*-----------------------------------------------------------------*/
+static void genSkipz2(resolvedIfx *rifx)
+{
+ if(!rifx)
+ return;
+
+ if(rifx->condition)
+ emitSKPZ;
+ else
+ emitSKPNZ;
+
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
+}
+
/*-----------------------------------------------------------------*/
/* genSkipz */
/*-----------------------------------------------------------------*/
}
/*-----------------------------------------------------------------*/
+/* genSkipCond */
+/*-----------------------------------------------------------------*/
+static void genSkipCond(resolvedIfx *rifx,operand *op, int offset, int bit)
+{
+ if(!rifx)
+ return;
+
+ if(rifx->condition)
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0));
+ else
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0));
+
+
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
+}
+/*-----------------------------------------------------------------*/
/* genCmp :- greater or less than comparison */
/*-----------------------------------------------------------------*/
static void genCmp (operand *left,operand *right,
pic14_emitcode("","%05d_DS_:",lbl->key+100);
} else {
+ symbol *lbl = newiTempLabel(NULL);
+ int flag;
+ symbol *truelbl = newiTempLabel(NULL);
+
+
if(AOP_TYPE(right) == AOP_LIT) {
- symbol *lbl = newiTempLabel(NULL);
lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
- DEBUGpic14_emitcode(";right lit","lit = %d,sign=%d",lit,sign);
+ DEBUGpic14_emitcode(";right lit","lit = 0x%x,sign=%d",lit,sign);
+
+
+ if(lit == 0 && sign == 0) {
+ /* no need to compare to 0...*/
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
size--;
- i = (lit >> (size*8)) & 0xff;
- if(sign) {
- if(i & 0x80) {
- emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
- } else {
- emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+
+ if(size == 0) {
+ i = (lit >> (size*8)) & 0xff;
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ switch(i) {
+ case 0:
+ if(sign)
+ genSkipCond(&rIfx,left,0,7);
+ break;
+ default:
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+
+ i = ((0-i) & 0xff);
+ if(sign) {
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(i^0x80));
+ } else {
+ emitpcode(POC_ADDLW, popGetLit(i));
+ }
+ genSkipc(&rIfx);
}
- emitpcode(POC_GOTO,popGetLabel(lbl->key));
+
+ if(ifx) ifx->generated = 1;
+ return;
}
- emitpcode(POC_MOVLW, popGetLit(i));
- emitpcode(POC_SUBFW, popGet(AOP(left),size));
+
+
+
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ flag=1;
+ size++;
while(size--) {
i = (lit >> (size*8)) & 0xff;
- emitpcode(POC_MOVLW, popGetLit(i));
- emitSKPNC;
- emitpcode(POC_SUBFW, popGet(AOP(left),size));
- }
+ if(sign && flag) {
+ /* handle the first byte differently in signed compares */
- if(ifx) {
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- //genSkipc(ifx,0,1); //IC_TRUE(ifx) == NULL);
- genSkipc(&rIfx);
- //if(sign)
- emitpLabel(lbl->key);
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(((-i)&0xff) ^ 0x80));
+ genSkipc(&rIfx);
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
- ifx->generated = 1;
+ flag=0;
+ } else {
+
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ if(size) {
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ }
+ }
}
+ emitpLabel(lbl->key);
+ genSkipc(&rIfx);
+ if(sign)
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
return;
+
+
}
if(AOP_TYPE(left) == AOP_LIT) {
DEBUGpic14_emitcode(";left lit","lit = %d,sign=%d",lit,sign);
+ /* Special cases */
+ if((lit == 0)&& (sign==0)) {
+
+ size--;
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(size)
+ emitpcode(POC_IORFW, popGet(AOP(right),--size));
+ genSkipz2(&rIfx);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
if(size==1) {
if(sign) {
- if(lit & 0x80) {
- emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),7,0));
+ if((lit+1)&0xff) {
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(((-(lit+1)) & 0xff) ^ 0x80));
+ rIfx.condition ^= 1;
+ genSkipc(&rIfx);
} else {
- emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),7,0));
+ genSkipCond(&rIfx,right,0,7);
}
- if(ifx) {
- if(IC_TRUE(ifx) != NULL)
- emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
- else
- emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+
+ } else {
+ if(lit & 0xff) {
+ emitpcode(POC_MOVLW, popGetLit((lit+1) & 0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),0));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ rIfx.condition ^= 1;
+ genSkipc(&rIfx);
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ genSkipz2(&rIfx);
}
}
- emitpcode(POC_MOVLW, popGetLit((lit+1) & 0xff));
- emitpcode(POC_SUBFW, popGet(AOP(right),0));
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- rIfx.condition ^= 1;
- genSkipc(&rIfx);// if(ifx) genSkipc(ifx,1,1);//IC_TRUE(ifx)!=NULL);
} else {
- size--;
- //lit++;
- i = (lit >> (size*8)) & 0xff;
- if(sign) {
- if(i & 0x80) {
- emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ flag = 1;
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+ if(flag && sign) {
+ /* Handle first byte of compare differently */
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(i) {
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_SUBLW, popGetLit( (i & 0xff) ^ 0x80));
+ //rIfx.condition ^= 1;
+ genSkipc(&rIfx);
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ } else {
+ rIfx.condition ^= 1;
+ genSkipCond(&rIfx,right,size,7);
+ rIfx.condition ^= 1;
+ }
+
+ flag = 0;
} else {
- emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
- }
- if(ifx) {
- if(IC_TRUE(ifx) != NULL)
- emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
- else
- emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+
+ if(size) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVLW, popGetLit(i&0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ } else {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVLW, popGetLit((i+1)&0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+
+ }
}
}
- emitpcode(POC_MOVFW, popGet(AOP(right),size));
- emitpcode(POC_SUBLW, popGetLit((i)&0xff));
- while(size--) {
- i = (lit >> (size*8)) & 0xff;
- emitpcode(POC_MOVFW, popGet(AOP(right),size));
- emitSKPNC;
- emitpcode(POC_SUBLW, popGetLit((i)&0xff));
- }
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- genSkipc(&rIfx);// if(ifx) genSkipc(ifx,0,1); //IC_TRUE(ifx) == NULL);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ emitpLabel(lbl->key);
+
+ rIfx.condition ^= 1;
+ genSkipc(&rIfx);
}
-/*
if(sign)
- emitpLabel(lbl->key);
-*/
+ emitpLabel(truelbl->key);
if(ifx) ifx->generated = 1;
return;
}
+ /* Compare two variables */
- // CLRC;
DEBUGpic14_emitcode(";sign","%d",sign);
- emitpcode(POC_MOVFW, popGet(AOP(right),offset));
- emitpcode(POC_SUBFW, popGet(AOP(left),offset++));
-
size--;
- while (size--) {
+ if(sign) {
+ /* Sigh. thus sucks... */
+ if(size) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_MOVWF, popRegFromIdx(Gstack_base_addr));
+ emitpcode(POC_MOVLW, popGetLit(0x80));
+ emitpcode(POC_XORWF, popRegFromIdx(Gstack_base_addr));
+ emitpcode(POC_XORFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popRegFromIdx(Gstack_base_addr));
+ } else {
+ /* Signed char comparison */
+ /* Special thanks to Nikolai Golovchenko for this snippet */
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ emitpcode(POC_SUBFW, popGet(AOP(left),0));
+ emitpcode(POC_RRFW, popGet(AOP(left),0)); /* could be any register */
+ emitpcode(POC_XORFW, popGet(AOP(left),0));
+ emitpcode(POC_XORFW, popGet(AOP(right),0));
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ genSkipc(&rIfx);
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ } else {
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ }
+
+
+ /* The rest of the bytes of a multi-byte compare */
+ while (size) {
+
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ size--;
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
- emitpcode(POC_MOVFW, popGet(AOP(right),offset));
- emitSKPC;
- emitpcode(POC_INCFSZW, popGet(AOP(right),offset));
- emitpcode(POC_SUBFW, popGet(AOP(left),offset));
- offset++;
}
+
+ emitpLabel(lbl->key);
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ genSkipc(&rIfx);
+ if(ifx) ifx->generated = 1;
+ return;
+
}
}
/*-----------------------------------------------------------------*/
/* gencjneshort - compare and jump if not equal */
/*-----------------------------------------------------------------*/
-static void gencjne(operand *left, operand *right, iCode *ifx)
+static void gencjne(operand *left, operand *right, operand *result, iCode *ifx)
{
int size = max(AOP_SIZE(left),AOP_SIZE(right));
int offset = 0;
emitpcode(POC_MOVF,popGet(AOP(left),offset));
}
if(emit_skip) {
- pic14_emitcode(";***","%s %d",__FUNCTION__,__LINE__);
- if(rIfx.condition)
- emitSKPNZ;
- else
- emitSKPZ;
- emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key));
+ if(AOP_TYPE(result) == AOP_CRY) {
+ pic14_emitcode(";***","%s %d",__FUNCTION__,__LINE__);
+ if(rIfx.condition)
+ emitSKPNZ;
+ else
+ emitSKPZ;
+ emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key));
+ } else {
+ /* fix me. probably need to check result size too */
+ emitpcode(POC_CLRF,popGet(AOP(result),0));
+ if(rIfx.condition)
+ emitSKPNZ;
+ else
+ emitSKPZ;
+ emitpcode(POC_INCF,popGet(AOP(result),0));
+ }
if(ifx)
ifx->generated=1;
}
pic14_outBitC(result);
} else {
- gencjne(left,right,ifx);
+ gencjne(left,right,result,ifx);
/*
if(ifx)
gencjne(left,right,newiTempLabel(NULL));
*/
/* if the result is used in an arithmetic operation
then put the result in place */
+/*
if (AOP_TYPE(result) != AOP_CRY)
pic14_outAcc(result);
+*/
/* leave the result in acc */
}
/*-----------------------------------------------------------------*/
static void genRRC (iCode *ic)
{
- operand *left , *result ;
- int size, offset = 0;
- char *l;
+ operand *left , *result ;
+ int size, offset = 0, same;
- /* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ /* rotate right with carry */
+ left = IC_LEFT(ic);
+ result=IC_RESULT(ic);
+ aopOp (left,ic,FALSE);
+ aopOp (result,ic,FALSE);
- /* move it to the result */
- size = AOP_SIZE(result);
- offset = size - 1 ;
- CLRC;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("rrc","a");
- if (AOP_SIZE(result) > 1)
- aopPut(AOP(result),"a",offset--);
- }
- /* now we need to put the carry into the
- highest order byte of the result */
- if (AOP_SIZE(result) > 1) {
- l = aopGet(AOP(result),AOP_SIZE(result)-1,FALSE,FALSE);
- MOVA(l);
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ same = pic14_sameRegs(AOP(result),AOP(left));
+
+ size = AOP_SIZE(result);
+
+ /* get the lsb and put it into the carry */
+ emitpcode(POC_RRFW, popGet(AOP(left),size-1));
+
+ offset = 0 ;
+
+ while(size--) {
+
+ if(same) {
+ emitpcode(POC_RRF, popGet(AOP(left),offset));
+ } else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
}
- pic14_emitcode("mov","acc.7,c");
- aopPut(AOP(result),"a",AOP_SIZE(result)-1);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+
+ offset++;
+ }
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genRLC (iCode *ic)
{
- operand *left , *result ;
- int size, offset = 0;
- char *l;
+ operand *left , *result ;
+ int size, offset = 0;
+ int same;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* rotate right with carry */
+ left = IC_LEFT(ic);
+ result=IC_RESULT(ic);
+ aopOp (left,ic,FALSE);
+ aopOp (result,ic,FALSE);
- /* move it to the result */
- size = AOP_SIZE(result);
- offset = 0 ;
- if (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("add","a,acc");
- if (AOP_SIZE(result) > 1)
- aopPut(AOP(result),"a",offset++);
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("rlc","a");
- if (AOP_SIZE(result) > 1)
- aopPut(AOP(result),"a",offset++);
- }
- }
- /* now we need to put the carry into the
- highest order byte of the result */
- if (AOP_SIZE(result) > 1) {
- l = aopGet(AOP(result),0,FALSE,FALSE);
- MOVA(l);
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ same = pic14_sameRegs(AOP(result),AOP(left));
+
+ /* move it to the result */
+ size = AOP_SIZE(result);
+
+ /* get the msb and put it into the carry */
+ emitpcode(POC_RLFW, popGet(AOP(left),size-1));
+
+ offset = 0 ;
+
+ while(size--) {
+
+ if(same) {
+ emitpcode(POC_RLF, popGet(AOP(left),offset));
+ } else {
+ emitpcode(POC_RLFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
}
- pic14_emitcode("mov","acc.0,c");
- aopPut(AOP(result),"a",0);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+
+ offset++;
+ }
+
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
}
}
-/*-----------------------------------------------------------------*/
-/* AccAXRrl1 - right rotate c->a:x->c by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXRrl1 (char *x)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- pic14_emitcode("rrc","a");
- pic14_emitcode("xch","a,%s", x);
- pic14_emitcode("rrc","a");
- pic14_emitcode("xch","a,%s", x);
-}
-
-/*-----------------------------------------------------------------*/
-/* AccAXLrl1 - left rotate c<-a:x<-c by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXLrl1 (char *x)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("rlc","a");
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("rlc","a");
-}
-#if 0
-/*-----------------------------------------------------------------*/
-/* AccAXLsh1 - left shift a:x<-0 by 1 */
-/*-----------------------------------------------------------------*/
-static void AccAXLsh1 (char *x)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("add","a,acc");
- pic14_emitcode("xch","a,%s",x);
- pic14_emitcode("rlc","a");
-}
-#endif
-#if 0
-/*-----------------------------------------------------------------*/
-/* AccAXLsh - left shift a:x by known count (0..7) */
-/*-----------------------------------------------------------------*/
-static void AccAXLsh (char *x, int shCount)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- AccAXLsh1(x);
- break;
- case 2 :
- AccAXLsh1(x);
- AccAXLsh1(x);
- break;
- case 3 :
- case 4 :
- case 5 : // AAAAABBB:CCCCCDDD
- AccRol(shCount); // BBBAAAAA:CCCCCDDD
- pic14_emitcode("anl","a,#0x%02x",
- SLMask[shCount]); // BBB00000:CCCCCDDD
- pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBB00000
- AccRol(shCount); // DDDCCCCC:BBB00000
- pic14_emitcode("xch","a,%s",x); // BBB00000:DDDCCCCC
- pic14_emitcode("xrl","a,%s",x); // (BBB^DDD)CCCCC:DDDCCCCC
- pic14_emitcode("xch","a,%s",x); // DDDCCCCC:(BBB^DDD)CCCCC
- pic14_emitcode("anl","a,#0x%02x",
- SLMask[shCount]); // DDD00000:(BBB^DDD)CCCCC
- pic14_emitcode("xch","a,%s",x); // (BBB^DDD)CCCCC:DDD00000
- pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:DDD00000
- break;
- case 6 : // AAAAAABB:CCCCCCDD
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000BB:CCCCCCDD
- pic14_emitcode("mov","c,acc.0"); // c = B
- pic14_emitcode("xch","a,%s",x); // CCCCCCDD:000000BB
- AccAXRrl1(x); // BCCCCCCD:D000000B
- AccAXRrl1(x); // BBCCCCCC:DD000000
- break;
- case 7 : // a:x <<= 7
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000B:CCCCCCCD
- pic14_emitcode("mov","c,acc.0"); // c = B
- pic14_emitcode("xch","a,%s",x); // CCCCCCCD:0000000B
- AccAXRrl1(x); // BCCCCCCC:D0000000
- break;
- default :
- break;
- }
-}
-#endif
-#if 0
-/*-----------------------------------------------------------------*/
-/* AccAXRsh - right shift a:x known count (0..7) */
-/*-----------------------------------------------------------------*/
-static void AccAXRsh (char *x, int shCount)
-{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- CLRC;
- AccAXRrl1(x); // 0->a:x
- break;
- case 2 :
- CLRC;
- AccAXRrl1(x); // 0->a:x
- CLRC;
- AccAXRrl1(x); // 0->a:x
- break;
- case 3 :
- case 4 :
- case 5 : // AAAAABBB:CCCCCDDD = a:x
- AccRol(8 - shCount); // BBBAAAAA:DDDCCCCC
- pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA
- AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000CCCCC:BBBAAAAA
- pic14_emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA
- pic14_emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA
- pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA
- pic14_emitcode("xch","a,%s",x); // 000AAAAA:BBBCCCCC
- break;
- case 6 : // AABBBBBB:CCDDDDDD
- pic14_emitcode("mov","c,acc.7");
- AccAXLrl1(x); // ABBBBBBC:CDDDDDDA
- AccAXLrl1(x); // BBBBBBCC:DDDDDDAA
- pic14_emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000AA:BBBBBBCC
- break;
- case 7 : // ABBBBBBB:CDDDDDDD
- pic14_emitcode("mov","c,acc.7"); // c = A
- AccAXLrl1(x); // BBBBBBBC:DDDDDDDA
- pic14_emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000A:BBBBBBBC
- break;
- default :
- break;
- }
-}
-#endif
-/*-----------------------------------------------------------------*/
-/* AccAXRshS - right shift signed a:x known count (0..7) */
-/*-----------------------------------------------------------------*/
-static void AccAXRshS (char *x, int shCount)
-{
- symbol *tlbl ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- switch(shCount){
- case 0 :
- break;
- case 1 :
- pic14_emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- break;
- case 2 :
- pic14_emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- pic14_emitcode("mov","c,acc.7");
- AccAXRrl1(x); // s->a:x
- break;
- case 3 :
- case 4 :
- case 5 : // AAAAABBB:CCCCCDDD = a:x
- tlbl = newiTempLabel(NULL);
- AccRol(8 - shCount); // BBBAAAAA:CCCCCDDD
- pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA
- AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000CCCCC:BBBAAAAA
- pic14_emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA
- pic14_emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA)
- pic14_emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA
- pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA
- pic14_emitcode("xch","a,%s",x); // 000SAAAA:BBBCCCCC
- pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- pic14_emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 111AAAAA:BBBCCCCC
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- break; // SSSSAAAA:BBBCCCCC
- case 6 : // AABBBBBB:CCDDDDDD
- tlbl = newiTempLabel(NULL);
- pic14_emitcode("mov","c,acc.7");
- AccAXLrl1(x); // ABBBBBBC:CDDDDDDA
- AccAXLrl1(x); // BBBBBBCC:DDDDDDAA
- pic14_emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 000000AA:BBBBBBCC
- pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- pic14_emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 111111AA:BBBBBBCC
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- break;
- case 7 : // ABBBBBBB:CDDDDDDD
- tlbl = newiTempLabel(NULL);
- pic14_emitcode("mov","c,acc.7"); // c = A
- AccAXLrl1(x); // BBBBBBBC:DDDDDDDA
- pic14_emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC
- pic14_emitcode("anl","a,#0x%02x",
- SRMask[shCount]); // 0000000A:BBBBBBBC
- pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100);
- pic14_emitcode("orl","a,#0x%02x",
- (unsigned char)~SRMask[shCount]); // 1111111A:BBBBBBBC
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- break;
- default :
- break;
- }
-}
-
/*-----------------------------------------------------------------*/
/* shiftL2Left2Result - shift left two bytes from left to result */
/*-----------------------------------------------------------------*/
MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE));
}
/* a:x >> shCount (x = lsb(result))*/
+/*
if(sign)
AccAXRshS( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
else {
- //AccAXRsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
-
- switch(shCount) {
- case 0:
- break;
- case 1:
- case 2:
- case 3:
+ AccAXRsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount);
+*/
+ switch(shCount) {
+ case 0:
+ break;
+ case 1:
+ case 2:
+ case 3:
+ emitCLRC;
+ if(same) {
+ emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF,popGet(AOP(result),offr));
+ } else {
+
+ emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ }
+
+ while(--shCount) {
emitCLRC;
- if(same) {
- emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RRF,popGet(AOP(result),offr));
- } else {
+ emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF,popGet(AOP(result),offr));
+ }
+ break;
+ case 4:
+ case 5:
+ if(same) {
- emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16));
- emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RRFW, popGet(AOP(left),offl));
- emitpcode(POC_MOVWF,popGet(AOP(result),offr));
- }
+ emitpcode(POC_MOVLW, popGetLit(0xf0));
+ emitpcode(POC_ANDWF, popGet(AOP(result),offr));
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr));
- while(--shCount) {
- emitCLRC;
- emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RRF,popGet(AOP(result),offr));
- }
- break;
- case 4:
- case 5:
- if(same) {
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDFW, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_SWAPF, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
- emitpcode(POC_MOVLW, popGetLit(0xf0));
- emitpcode(POC_ANDWF, popGet(AOP(result),offr));
- emitpcode(POC_SWAPF, popGet(AOP(result),offr));
+ emitpcode(POC_SWAPF, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDLW, popGetLit(0xf0));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr));
+ }
- emitpcode(POC_SWAPF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_ANDFW, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_ADDWF, popGet(AOP(result),offr));
- } else {
- emitpcode(POC_SWAPF, popGet(AOP(left),offl));
- emitpcode(POC_ANDLW, popGetLit(0x0f));
- emitpcode(POC_MOVWF, popGet(AOP(result),offr));
-
- emitpcode(POC_SWAPF, popGet(AOP(left),offl+MSB16));
- emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_ANDLW, popGetLit(0xf0));
- emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_ADDWF, popGet(AOP(result),offr));
- }
+ if(shCount >=5) {
+ emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ }
- if(shCount >=5) {
- emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RRF, popGet(AOP(result),offr));
- }
+ break;
- break;
+ case 6:
+ if(same) {
- case 6:
- if(same) {
-
- emitpcode(POC_RLF, popGet(AOP(result),offr));
- emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
-
- emitpcode(POC_RLF, popGet(AOP(result),offr));
- emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RLFW, popGet(AOP(result),offr));
- emitpcode(POC_ANDLW,popGetLit(0x03));
- emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_XORWF,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_MOVWF,popGet(AOP(result),offr));
- } else {
- emitpcode(POC_RLFW, popGet(AOP(left),offl));
- emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RLFW, popGet(AOP(result),offl+MSB16));
- emitpcode(POC_MOVWF,popGet(AOP(result),offr));
- emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
- emitpcode(POC_RLF, popGet(AOP(result),offr));
- emitpcode(POC_RLFW, popGet(AOP(result),offr));
- emitpcode(POC_ANDLW,popGetLit(0x03));
- emitpcode(POC_MOVWF,popGet(AOP(result),offr));
- }
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
- break;
- case 7:
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW,popGetLit(0x03));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_XORWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ } else {
emitpcode(POC_RLFW, popGet(AOP(left),offl));
- emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLFW, popGet(AOP(result),offl+MSB16));
emitpcode(POC_MOVWF,popGet(AOP(result),offr));
- emitpcode(POC_CLRF, popGet(AOP(result),offr+MSB16));
emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLF, popGet(AOP(result),offr));
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW,popGetLit(0x03));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
}
+
+ break;
+ case 7:
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF,popGet(AOP(result),offr));
+ emitpcode(POC_CLRF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16));
}
}
+
/*-----------------------------------------------------------------*/
/* shiftLLeftOrResult - shift left one byte from left, or to result*/
/*-----------------------------------------------------------------*/
projects / fw / sdcc / commitdiff