#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))));
-*/
+extern void genUMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *);
+extern void genSMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *);
+void genMult8X8_8 (operand *, operand *,operand *);
static int labelOffset=0;
static int debug_verbose=1;
static int max_key=0;
static int GpsuedoStkPtr=0;
+pCodeOp *popGetImmd(char *name, unsigned int offset, int index);
unsigned int pic14aopLiteral (value *val, int offset);
const char *AopType(short type);
+static iCode *ifxForOp ( operand *op, iCode *ic );
#define BYTEofLONG(l,b) ( (l>> (b<<3)) & 0xff)
static char *one = "#0x01";
static char *spname = "sp";
-char *fReturnpic14[] = {"FSR","dph","b","a" };
+char *fReturnpic14[] = {"temp1","temp2","temp3","temp4" };
//char *fReturn390[] = {"dpl","dph","dpx", "b","a" };
unsigned fReturnSizePic = 4; /* shared with ralloc.c */
static char **fReturn = fReturnpic14;
}
+void DEBUGpic14_AopTypeSign(int line_no, operand *left, operand *right, operand *result)
+{
+
+ DEBUGpic14_emitcode ("; ","line = %d, signs: result %s=%c, left %s=%c, right %s=%c",
+ line_no,
+ ((result) ? AopType(AOP_TYPE(result)) : "-"),
+ ((result) ? (SPEC_USIGN(operandType(result)) ? 'u' : 's') : '-'),
+ ((left) ? AopType(AOP_TYPE(left)) : "-"),
+ ((left) ? (SPEC_USIGN(operandType(left)) ? 'u' : 's') : '-'),
+ ((right) ? AopType(AOP_TYPE(right)) : "-"),
+ ((right) ? (SPEC_USIGN(operandType(right)) ? 'u' : 's') : '-'));
+
+}
+
void DEBUGpic14_emitcode (char *inst,char *fmt, ...)
{
va_list ap;
}
-static void emitpLabel(int key)
+void emitpLabel(int key)
{
- addpCode2pBlock(pb,newpCodeLabel(key+100+labelOffset));
+ addpCode2pBlock(pb,newpCodeLabel(NULL,key+100+labelOffset));
}
void emitpcode(PIC_OPCODE poc, pCodeOp *pcop)
if (!r0iu) {
/* push it if not already pushed */
if (!_G.r0Pushed) {
- pic14_emitcode ("push","%s",
- pic14_regWithIdx(R0_IDX)->dname);
+ //pic14_emitcode ("push","%s",
+ // pic14_regWithIdx(R0_IDX)->dname);
_G.r0Pushed++ ;
}
if (!r1iu) {
/* push it if not already pushed */
if (!_G.r1Pushed) {
- pic14_emitcode ("push","%s",
- pic14_regWithIdx(R1_IDX)->dname);
+ //pic14_emitcode ("push","%s",
+ // pic14_regWithIdx(R1_IDX)->dname);
_G.r1Pushed++ ;
}
aop->aopu.aop_immd = Safe_calloc(1,strlen(sym->rname)+1);
strcpy(aop->aopu.aop_immd,sym->rname);
aop->size = FPTRSIZE;
+ DEBUGpic14_emitcode(";","%d size = %d, name =%s",__LINE__,aop->size,sym->rname);
return aop;
}
/* only remaining is far space */
/* in which case DPTR gets the address */
+ sym->aop = aop = newAsmop(AOP_PCODE);
+
+ aop->aopu.pcop = popGetImmd(sym->rname,0,0);
+ PCOI(aop->aopu.pcop)->_const = IN_CODESPACE(space);
+ PCOI(aop->aopu.pcop)->index = 0;
+
+ DEBUGpic14_emitcode(";"," rname %s, val %d, const = %d",
+ sym->rname, 0, PCOI(aop->aopu.pcop)->_const);
+
+ allocDirReg (IC_LEFT(ic));
+
+ aop->size = FPTRSIZE;
+/*
+ DEBUGpic14_emitcode(";","%d size = %d, name =%s",__LINE__,aop->size,sym->rname);
sym->aop = aop = newAsmop(AOP_DPTR);
pic14_emitcode ("mov","dptr,#%s", sym->rname);
aop->size = getSize(sym->type);
DEBUGpic14_emitcode(";","%d size = %d",__LINE__,aop->size);
+*/
+
/* if it is in code space */
if (IN_CODESPACE(space))
aop->code = 1;
/*-----------------------------------------------------------------*/
/* aopForRemat - rematerialzes an object */
/*-----------------------------------------------------------------*/
-static asmop *aopForRemat (symbol *sym)
+static asmop *aopForRemat (operand *op) // x symbol *sym)
{
- iCode *ic = sym->rematiCode;
- asmop *aop = newAsmop(AOP_IMMD);
- int val = 0;
+ symbol *sym = OP_SYMBOL(op);
+ iCode *ic = NULL;
+ asmop *aop = newAsmop(AOP_PCODE);
+ int val = 0;
+ int offset = 0;
+
+ ic = sym->rematiCode;
+
DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__);
+
for (;;) {
- if (ic->op == '+')
- val += (int) operandLitValue(IC_RIGHT(ic));
- else if (ic->op == '-')
- val -= (int) operandLitValue(IC_RIGHT(ic));
- else
+ if (ic->op == '+') {
+ val += (int) operandLitValue(IC_RIGHT(ic));
+ } else if (ic->op == '-') {
+ val -= (int) operandLitValue(IC_RIGHT(ic));
+ } else
break;
ic = OP_SYMBOL(IC_LEFT(ic))->rematiCode;
}
- if (val)
- sprintf(buffer,"(%s %c 0x%04x)",
- OP_SYMBOL(IC_LEFT(ic))->rname,
- val >= 0 ? '+' : '-',
- abs(val) & 0xffff);
- else
- strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname);
+ offset = OP_SYMBOL(IC_LEFT(ic))->offset;
+ aop->aopu.pcop = popGetImmd(OP_SYMBOL(IC_LEFT(ic))->rname,0,val);
+ PCOI(aop->aopu.pcop)->_const = IS_PTR_CONST(operandType(op));
+ PCOI(aop->aopu.pcop)->index = val;
+
+ DEBUGpic14_emitcode(";"," rname %s, val %d, const = %d",
+ OP_SYMBOL(IC_LEFT(ic))->rname,
+ val, IS_PTR_CONST(operandType(op)));
+
+ // DEBUGpic14_emitcode(";","aop type %s",AopType(AOP_TYPE(IC_LEFT(ic))));
+
+ allocDirReg (IC_LEFT(ic));
- //DEBUGpic14_emitcode(";","%s",buffer);
- aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1);
- strcpy(aop->aopu.aop_immd,buffer);
return aop;
}
return;
}
+ {
+ sym_link *type = operandType(op);
+ if(IS_PTR_CONST(type))
+ DEBUGpic14_emitcode(";","%d aop type is const pointer",__LINE__);
+ }
+
/* if already has a asmop then continue */
if (op->aop)
return ;
DEBUGpic14_emitcode(";","%d",__LINE__);
/* rematerialize it NOW */
if (sym->remat) {
+
sym->aop = op->aop = aop =
- aopForRemat (sym);
+ aopForRemat (op);
aop->size = getSize(sym->type);
+ //DEBUGpic14_emitcode(";"," %d: size %d, %s\n",__LINE__,aop->size,aop->aopu.aop_immd);
return;
}
}
/* else spill location */
- DEBUGpic14_emitcode(";","%s %d %s",__FUNCTION__,__LINE__,sym->usl.spillLoc->rname);
- sym->aop = op->aop = aop =
- aopForSym(ic,sym->usl.spillLoc,result);
+ if (sym->usl.spillLoc && getSize(sym->type) != getSize(sym->usl.spillLoc->type)) {
+ /* force a new aop if sizes differ */
+ sym->usl.spillLoc->aop = NULL;
+ }
+ DEBUGpic14_emitcode(";","%s %d %s sym->rname = %s, offset %d",
+ __FUNCTION__,__LINE__,
+ sym->usl.spillLoc->rname,
+ sym->rname, sym->usl.spillLoc->offset);
+ // X sym->aop = op->aop = aop = aopForSym(ic,sym->usl.spillLoc,result);
+ sym->aop = op->aop = aop = newAsmop(AOP_PCODE);
+ aop->aopu.pcop = popGetImmd(sym->usl.spillLoc->rname,0,sym->usl.spillLoc->offset);
+ //allocDirReg (IC_LEFT(ic));
aop->size = getSize(sym->type);
+
return;
}
+ {
+ sym_link *type = operandType(op);
+ if(IS_PTR_CONST(type))
+ DEBUGpic14_emitcode(";","%d aop type is const pointer",__LINE__);
+ }
+
/* must be in a register */
sym->aop = op->aop = aop = newAsmop(AOP_REG);
aop->size = sym->nRegs;
case AOP_IMMD:
- DEBUGpic14_emitcode(";","%d",__LINE__);
if (bit16)
sprintf (s,"%s",aop->aopu.aop_immd);
else
else
sprintf(s,"%s",
aop->aopu.aop_immd);
+ DEBUGpic14_emitcode(";","%d immd %s",__LINE__,s);
rs = Safe_calloc(1,strlen(s)+1);
strcpy(rs,s);
return rs;
case AOP_DIR:
- if (offset)
- sprintf(s,"(%s + %d)",
- aop->aopu.aop_dir,
- offset);
- else
+ if (offset) {
+ sprintf(s,"(%s + %d)",
+ aop->aopu.aop_dir,
+ offset);
+ DEBUGpic14_emitcode(";","oops AOP_DIR did this %s\n",s);
+ } else
sprintf(s,"%s",aop->aopu.aop_dir);
rs = Safe_calloc(1,strlen(s)+1);
strcpy(rs,s);
return rs;
case AOP_REG:
- if (dname)
- return aop->aopu.aop_reg[offset]->dname;
- else
+ //if (dname)
+ // return aop->aopu.aop_reg[offset]->dname;
+ //else
return aop->aopu.aop_reg[offset]->name;
case AOP_CRY:
return aop->aopu.aop_str[offset];
+ case AOP_PCODE:
+ {
+ pCodeOp *pcop = aop->aopu.pcop;
+ DEBUGpic14_emitcode(";","%d: aopGet AOP_PCODE",__LINE__);
+ if(pcop->name) {
+ DEBUGpic14_emitcode(";","%s offset %d",pcop->name,PCOI(pcop)->offset);
+ //sprintf(s,"(%s+0x%02x)", pcop->name,PCOI(aop->aopu.pcop)->offset);
+ sprintf(s,"%s", pcop->name);
+ } else
+ sprintf(s,"0x%02x", PCOI(aop->aopu.pcop)->offset);
+
+ }
+ rs = Safe_calloc(1,strlen(s)+1);
+ strcpy(rs,s);
+ return rs;
+
}
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
exit(0);
}
+
+/*-----------------------------------------------------------------*/
+/* popGetTempReg - create a new temporary pCodeOp */
+/*-----------------------------------------------------------------*/
+pCodeOp *popGetTempReg(void)
+{
+
+ pCodeOp *pcop;
+
+ pcop = newpCodeOp(NULL, PO_GPR_TEMP);
+ if(pcop && pcop->type == PO_GPR_TEMP && PCOR(pcop)->r) {
+ PCOR(pcop)->r->wasUsed=1;
+ PCOR(pcop)->r->isFree=0;
+ }
+
+ return pcop;
+}
+
+/*-----------------------------------------------------------------*/
+/* popGetTempReg - create a new temporary pCodeOp */
+/*-----------------------------------------------------------------*/
+void popReleaseTempReg(pCodeOp *pcop)
+{
+
+ if(pcop && pcop->type == PO_GPR_TEMP && PCOR(pcop)->r)
+ PCOR(pcop)->r->isFree = 1;
+
+}
/*-----------------------------------------------------------------*/
/* popGetLabel - create a new pCodeOp of type PO_LABEL */
/*-----------------------------------------------------------------*/
if(key>max_key)
max_key = key;
- return newpCodeOpLabel(key+100+labelOffset);
+ return newpCodeOpLabel(NULL,key+100+labelOffset);
}
/*-----------------------------------------------------------------*/
pcor = Safe_calloc(1,sizeof(pCodeOpReg) );
pcor->pcop.type = pc->pcop.type;
- if(!(pcor->pcop.name = Safe_strdup(pc->pcop.name)))
- fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
+ if(pc->pcop.name) {
+ if(!(pcor->pcop.name = Safe_strdup(pc->pcop.name)))
+ fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
+ } else
+ pcor->pcop.name = NULL;
+
pcor->r = pc->r;
pcor->rIdx = pc->rIdx;
+ pcor->r->wasUsed=1;
+ //DEBUGpic14_emitcode ("; ***","%s , copying %s, rIdx=%d",__FUNCTION__,pc->pcop.name,pc->rIdx);
return PCOP(pcor);
}
-
/*-----------------------------------------------------------------*/
-/* popCopy - copy a pcode operator */
+/* popGet - asm operator to pcode operator conversion */
/*-----------------------------------------------------------------*/
-pCodeOp *popCopyGPR2Bit(pCodeOp *pc, int bitval)
+pCodeOp *popGetLit(unsigned int lit)
{
- pCodeOp *pcop;
-
- pcop = Safe_calloc(1,sizeof(pCodeOpBit) );
- pcop->type = PO_BIT;
- if(!(pcop->name = Safe_strdup(pc->name)))
- fprintf(stderr,"oops %s %d",__FILE__,__LINE__);
- ((pCodeOpBit *)pcop)->bit = bitval;
-
- ((pCodeOpBit *)pcop)->inBitSpace = 0; //(pc->type == PO_BIT) ? 1 : 0;
- return pcop;
+ return newpCodeOpLit(lit);
}
+
/*-----------------------------------------------------------------*/
-/* popGet - asm operator to pcode operator conversion */
+/* popGetImmd - asm operator to pcode immediate conversion */
/*-----------------------------------------------------------------*/
-pCodeOp *popGetLit(unsigned int lit)
+pCodeOp *popGetImmd(char *name, unsigned int offset, int index)
{
- return newpCodeOpLit(lit);
+ return newpCodeOpImmd(name, offset,index, 0);
}
pCodeOp *popRegFromString(char *str)
{
- pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
- pcop->type = PO_GPR_REGISTER;
-
- PCOR(pcop)->rIdx = -1;
- PCOR(pcop)->r = NULL;
+ pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOp) );
+ pcop->type = PO_DIR;
DEBUGpic14_emitcode(";","%d",__LINE__);
pcop->name = Safe_strdup( ( (str) ? str : "BAD STRING"));
/*-----------------------------------------------------------------*/
pCodeOp *popGet (asmop *aop, int offset) //, bool bit16, bool dname)
{
- char *s = buffer ;
- char *rs;
+ //char *s = buffer ;
+ //char *rs;
pCodeOp *pcop;
case AOP_DPTR2:
case AOP_ACC:
DEBUGpic14_emitcode(";8051 legacy","%d type = %s",__LINE__,AopType(aop->type));
- //pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
- //pcop->type = PO_SFR_REGISTER;
-
- //PCOR(pcop)->rIdx = -1;
- //PCOR(pcop)->r = NULL;
- // Really nasty hack to check for temporary registers
-
- //pcop->name = Safe_strdup("BAD_REGISTER");
-
return NULL;
case AOP_IMMD:
DEBUGpic14_emitcode(";","%d",__LINE__);
- pcop = Safe_calloc(1,sizeof(pCodeOp) );
- pcop->type = PO_IMMEDIATE;
- //if (bit16)
- // sprintf (s,"%s",aop->aopu.aop_immd);
- //else
- if (offset)
- sprintf(s,"(%s >> %d)",
- aop->aopu.aop_immd,
- offset*8);
- else
- sprintf(s,"%s",
- aop->aopu.aop_immd);
- pcop->name = Safe_calloc(1,strlen(s)+1);
- strcpy(pcop->name,s);
- return pcop;
-
+ return popGetImmd(aop->aopu.aop_immd,offset,0);
+
case AOP_DIR:
- pcop = Safe_calloc(1,sizeof(pCodeOp) );
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
pcop->type = PO_DIR;
+
+ /*
if (offset)
sprintf(s,"(%s + %d)",
aop->aopu.aop_dir,
sprintf(s,"%s",aop->aopu.aop_dir);
pcop->name = Safe_calloc(1,strlen(s)+1);
strcpy(pcop->name,s);
+ */
+ pcop->name = Safe_calloc(1,strlen(aop->aopu.aop_dir)+1);
+ strcpy(pcop->name,aop->aopu.aop_dir);
+ PCOR(pcop)->r = dirregWithName(aop->aopu.aop_dir);
+ if(PCOR(pcop)->r == NULL) {
+ //fprintf(stderr,"%d - couldn't find %s in allocated registers, size =%d\n",__LINE__,aop->aopu.aop_dir,aop->size);
+ PCOR(pcop)->r = allocRegByName (aop->aopu.aop_dir,aop->size);
+ }
+
+ DEBUGpic14_emitcode(";","%d %s offset=%d",__LINE__,pcop->name,offset);
+ PCOR(pcop)->instance = offset;
+
return pcop;
case AOP_REG:
pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
PCOR(pcop)->rIdx = rIdx;
PCOR(pcop)->r = pic14_regWithIdx(rIdx);
+ PCOR(pcop)->instance = offset;
pcop->type = PCOR(pcop)->r->pc_type;
- rs = aop->aopu.aop_reg[offset]->name;
+ //rs = aop->aopu.aop_reg[offset]->name;
+ //DEBUGpic14_emitcode(";","%d regiser idx = %d name =%s",__LINE__,rIdx,rs);
return pcop;
}
case AOP_CRY:
pcop = newpCodeOpBit(aop->aopu.aop_dir,-1,1);
+ PCOR(pcop)->r = dirregWithName(aop->aopu.aop_dir);
+ //if(PCOR(pcop)->r == NULL)
+ //fprintf(stderr,"%d - couldn't find %s in allocated registers\n",__LINE__,aop->aopu.aop_dir);
return pcop;
case AOP_LIT:
case AOP_STR:
DEBUGpic14_emitcode(";","%d",__LINE__);
+ return newpCodeOpRegFromStr(aop->aopu.aop_str[offset]);
+ /*
+ pcop = Safe_calloc(1,sizeof(pCodeOpReg) );
+ PCOR(pcop)->r = allocRegByName(aop->aopu.aop_str[offset]);
+ PCOR(pcop)->rIdx = PCOR(pcop)->r->rIdx;
+ pcop->type = PCOR(pcop)->r->pc_type;
+ pcop->name = PCOR(pcop)->r->name;
- pcop = Safe_calloc(1,sizeof(pCodeOp) );
- pcop->type = PO_STR;
+ return pcop;
+ */
- //aop->coff = offset ;
- //if (strcmp(aop->aopu.aop_str[offset],"a") == 0 && dname)
- // sprintf(s,"%s","acc");
- //else
- sprintf(s,"%s",aop->aopu.aop_str[offset]);
- pcop->name = Safe_calloc(1,strlen(s)+1);
- strcpy(pcop->name,s);
+ case AOP_PCODE:
+ DEBUGpic14_emitcode(";","popGet AOP_PCODE%d",__LINE__);
+ pcop = pCodeOpCopy(aop->aopu.pcop);
+ PCOI(pcop)->offset = offset;
return pcop;
-
}
werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
/* depending on where it is ofcourse */
switch (aop->type) {
case AOP_DIR:
- if (offset)
- sprintf(d,"(%s + %d)",
- aop->aopu.aop_dir,offset);
- else
+ if (offset) {
+ sprintf(d,"(%s + %d)",
+ aop->aopu.aop_dir,offset);
+ fprintf(stderr,"oops aopPut:AOP_DIR did this %s\n",s);
+
+ } else
sprintf(d,"%s",aop->aopu.aop_dir);
if (strcmp(d,s)) {
pic14_emitcode("movf","%s,w",s);
pic14_emitcode("movwf","%s",d);
- if(strcmp(s,"W"))
- pic14_emitcode(";BUG! should have this:movf","%s,w %d",s,__LINE__);
+ if(strcmp(s,"W")) {
+ pic14_emitcode(";BUG!? should have this:movf","%s,w %d",s,__LINE__);
+ if(offset >= aop->size) {
+ emitpcode(POC_CLRF,popGet(aop,offset));
+ break;
+ } else
+ emitpcode(POC_MOVLW,popGetImmd(s,offset,0));
+ }
+
emitpcode(POC_MOVWF,popGet(aop,offset));
break;
case AOP_REG:
- if (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0 &&
- strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){
+ if (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0) { // &&
+ //strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){
/*
if (*s == '@' ||
strcmp(s,"r0") == 0 ||
/*-----------------------------------------------------------------*/
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++));
+ }
+
}
/*-----------------------------------------------------------------*/
if ( AOP_TYPE(oper) != AOP_ACC) {
emitpcode(POC_MOVFW,popGet(AOP(oper),0));
- pic14_emitcode("movf","%s,w",aopGet(AOP(oper),0,FALSE,FALSE));
}
while (size--) {
emitpcode(POC_IORFW, popGet(AOP(oper),offset++));
/*-----------------------------------------------------------------*/
static void genNot (iCode *ic)
{
- symbol *tlbl;
- sym_link *optype = operandType(IC_LEFT(ic));
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ symbol *tlbl;
+ sym_link *optype = operandType(IC_LEFT(ic));
+ int size;
- /* if in bit space then a special case */
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) {
- pic14_emitcode("movlw","1<<%s");
- //pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- //pic14_emitcode("cpl","c");
- //pic14_outBitC(IC_RESULT(ic));
- goto release;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign asmOps to operand & result */
+ aopOp (IC_LEFT(ic),ic,FALSE);
+ aopOp (IC_RESULT(ic),ic,TRUE);
+
+ DEBUGpic14_AopType(__LINE__,IC_LEFT(ic),NULL,IC_RESULT(ic));
+ /* if in bit space then a special case */
+ if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) {
+ if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY) {
+ emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_XORWF,popGet(AOP(IC_RESULT(ic)),0));
+ } else {
+ emitpcode(POC_CLRF,popGet(AOP(IC_RESULT(ic)),0));
+ emitpcode(POC_BTFSS,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_INCF,popGet(AOP(IC_RESULT(ic)),0));
}
+ goto release;
+ }
- /* if type float then do float */
- if (IS_FLOAT(optype)) {
- genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ /* if type float then do float */
+ if (IS_FLOAT(optype)) {
+ genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
+ goto release;
+ }
- pic14_toBoolean(IC_LEFT(ic));
+ size = AOP_SIZE(IC_RESULT(ic));
+ if(size == 1) {
+ emitpcode(POC_COMFW,popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_ANDLW,popGetLit(1));
+ emitpcode(POC_MOVWF,popGet(AOP(IC_RESULT(ic)),0));
+ goto release;
+ }
+ pic14_toBoolean(IC_LEFT(ic));
- tlbl = newiTempLabel(NULL);
- pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- pic14_outBitC(IC_RESULT(ic));
+ tlbl = newiTempLabel(NULL);
+ pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_outBitC(IC_RESULT(ic));
-release:
- /* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
static void genUminus (iCode *ic)
{
- int offset ,size ;
- sym_link *optype, *rtype;
+ int size, i;
+ sym_link *optype, *rtype;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* assign asmops */
- aopOp(IC_LEFT(ic),ic,FALSE);
- aopOp(IC_RESULT(ic),ic,TRUE);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* assign asmops */
+ aopOp(IC_LEFT(ic),ic,FALSE);
+ aopOp(IC_RESULT(ic),ic,TRUE);
- /* if both in bit space then special
- case */
- if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
- AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
+ /* if both in bit space then special
+ case */
+ if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY &&
+ AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) {
- pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir);
- pic14_emitcode("cpl","c");
- pic14_emitcode("mov","%s,c",IC_RESULT(ic)->aop->aopu.aop_dir);
- goto release;
- }
+ emitpcode(POC_BCF, popGet(AOP(IC_RESULT(ic)),0));
+ emitpcode(POC_BTFSS, popGet(AOP(IC_LEFT(ic)),0));
+ emitpcode(POC_BSF, popGet(AOP(IC_RESULT(ic)),0));
- optype = operandType(IC_LEFT(ic));
- rtype = operandType(IC_RESULT(ic));
+ goto release;
+ }
- /* if float then do float stuff */
- if (IS_FLOAT(optype)) {
- genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ optype = operandType(IC_LEFT(ic));
+ rtype = operandType(IC_RESULT(ic));
- /* otherwise subtract from zero */
- size = AOP_SIZE(IC_LEFT(ic));
- offset = 0 ;
- CLRC ;
- while(size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE);
- if (!strcmp(l,"a")) {
- pic14_emitcode("cpl","a");
- pic14_emitcode("inc","a");
- } else {
- pic14_emitcode("clr","a");
- pic14_emitcode("subb","a,%s",l);
- }
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
+ /* if float then do float stuff */
+ if (IS_FLOAT(optype)) {
+ genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
+ goto release;
+ }
+
+ /* otherwise subtract from zero by taking the 2's complement */
+ size = AOP_SIZE(IC_LEFT(ic));
+
+ for(i=0; i<size; i++) {
+ if (pic14_sameRegs(AOP(IC_LEFT(ic)), AOP(IC_RESULT(ic))) )
+ emitpcode(POC_COMF, popGet(AOP(IC_LEFT(ic)),i));
+ else {
+ emitpcode(POC_COMFW, popGet(AOP(IC_LEFT(ic)),i));
+ emitpcode(POC_MOVWF, popGet(AOP(IC_RESULT(ic)),i));
}
+ }
- /* if any remaining bytes in the result */
- /* we just need to propagate the sign */
- if ((size = (AOP_SIZE(IC_RESULT(ic)) - AOP_SIZE(IC_LEFT(ic))))) {
- pic14_emitcode("rlc","a");
- pic14_emitcode("subb","a,acc");
- while (size--)
- aopPut(AOP(IC_RESULT(ic)),"a",offset++);
- }
+ emitpcode(POC_INCF, popGet(AOP(IC_RESULT(ic)),0));
+ for(i=1; i<size; i++) {
+ emitSKPNZ;
+ emitpcode(POC_INCF, popGet(AOP(IC_RESULT(ic)),i));
+ }
-release:
- /* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ release:
+ /* release the aops */
+ freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
pic14_emitcode("mov","%s,r0",spname);
if (bitVectBitValue(rsave,R0_IDX))
pic14_emitcode("mov","r0,b");
- } else
- for (i = 0 ; i < pic14_nRegs ; i++) {
- if (bitVectBitValue(rsave,i))
- pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
- }
+ }// else
+ //for (i = 0 ; i < pic14_nRegs ; i++) {
+ // if (bitVectBitValue(rsave,i))
+ // pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ //}
dtype = operandType(IC_LEFT(ic));
- if (dtype &&
+ if (currFunc && dtype &&
(FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)) &&
IFFUNC_ISISR(currFunc->type) &&
!ic->bankSaved)
pic14_emitcode("mov","%s,r0",spname);
if (bitVectBitValue(rsave,R0_IDX))
pic14_emitcode("mov","r0,b");
- } else
- for (i = pic14_nRegs ; i >= 0 ; i--) {
- if (bitVectBitValue(rsave,i))
- pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
- }
+ } //else
+ //for (i = pic14_nRegs ; i >= 0 ; i--) {
+ // if (bitVectBitValue(rsave,i))
+ // pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ //}
}
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,oper,NULL,NULL);
+
if(!GpsuedoStkPtr) {
/* The last byte in the assignment is in W */
size--;
}
-/*-----------------------------------------------------------------*/
-/* genXpush - pushes onto the external stack */
-/*-----------------------------------------------------------------*/
-static void genXpush (iCode *ic)
-{
- asmop *aop = newAsmop(0);
- regs *r ;
- int size,offset = 0;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- aopOp(IC_LEFT(ic),ic,FALSE);
- r = getFreePtr(ic,&aop,FALSE);
-
-
- pic14_emitcode("mov","%s,_spx",r->name);
-
- size = AOP_SIZE(IC_LEFT(ic));
- while(size--) {
-
- char *l = aopGet(AOP(IC_LEFT(ic)),
- offset++,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("movx","@%s,a",r->name);
- pic14_emitcode("inc","%s",r->name);
-
- }
-
-
- pic14_emitcode("mov","_spx,%s",r->name);
-
- freeAsmop(NULL,aop,ic,TRUE);
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
-}
-
/*-----------------------------------------------------------------*/
/* genIpush - genrate code for pushing this gets a little complex */
/*-----------------------------------------------------------------*/
static void genIpush (iCode *ic)
{
+
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int size, offset = 0 ;
char *l;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if this is not a parm push : ie. it is spill push
and spill push is always done on the local stack */
if (!ic->parmPush) {
registers that need to be saved */
saveRegisters(ic);
- /* if use external stack then call the external
- stack pushing routine */
- if (options.useXstack) {
- genXpush(ic);
- return ;
- }
-
/* then do the push */
aopOp(IC_LEFT(ic),ic,FALSE);
}
freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genIpop (iCode *ic)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int size,offset ;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
/* if the temp was not pushed then */
if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
return ;
FALSE,TRUE));
freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void unsaverbank (int bank,iCode *ic,bool popPsw)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i;
asmop *aop ;
regs *r = NULL;
pic14_emitcode("mov","_spx,%s",r->name);
freeAsmop(NULL,aop,ic,TRUE);
- }
+ }
+#endif
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void saverbank (int bank, iCode *ic, bool pushPsw)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
+#if 0
int i;
asmop *aop ;
regs *r = NULL;
pic14_emitcode("mov","psw,#0x%02x",(bank << 3)&0x00ff);
}
ic->bankSaved = 1;
-
+#endif
}
/*-----------------------------------------------------------------*/
the same register bank then we need to save the
destination registers on the stack */
dtype = operandType(IC_LEFT(ic));
- if (dtype &&
+ if (currFunc && dtype &&
(FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)) &&
IFFUNC_ISISR(currFunc->type) &&
!ic->bankSaved)
while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset,
- FALSE,FALSE);
DEBUGpic14_emitcode ("; ","%d left %s",__LINE__,
AopType(AOP_TYPE(IC_LEFT(sic))));
//if (strcmp(l,fReturn[offset])) {
- if ( ((AOP(IC_LEFT(sic))->type) == AOP_IMMD) ||
+ if ( ((AOP(IC_LEFT(sic))->type) == AOP_PCODE) ||
((AOP(IC_LEFT(sic))->type) == AOP_LIT) )
emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(sic)),offset));
else
the same register bank then we need to save the
destination registers on the stack */
dtype = operandType(IC_LEFT(ic));
- if (dtype &&
+ if (currFunc && dtype &&
IFFUNC_ISISR(currFunc->type) &&
(FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)))
saverbank(FUNC_REGBANK(dtype),ic,TRUE);
}
/* if register bank was saved then unsave them */
- if (dtype &&
+ if (currFunc && dtype &&
(FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)))
unsaverbank(FUNC_REGBANK(dtype),ic,TRUE);
#define STRCASECMP strcasecmp
#endif
+#if 0
/*-----------------------------------------------------------------*/
/* inExcludeList - return 1 if the string is in exclude Reg list */
/*-----------------------------------------------------------------*/
static bool inExcludeList(char *s)
{
+ DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__);
int i =0;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
}
return FALSE ;
}
+#endif
/*-----------------------------------------------------------------*/
/* genFunction - generated code for function entry */
/* if this is an interrupt service routine then
save acc, b, dpl, dph */
if (IFFUNC_ISISR(sym->type)) {
-
+ addpCode2pBlock(pb,newpCode(POC_GOTO,newpCodeOp("END_OF_INTERRUPT+1",PO_STR)));
+ emitpcodeNULLop(POC_NOP);
+ emitpcodeNULLop(POC_NOP);
+ emitpcodeNULLop(POC_NOP);
+ emitpcode(POC_MOVWF, popCopyReg(&pc_wsave));
+ emitpcode(POC_SWAPFW, popCopyReg(&pc_status));
+ emitpcode(POC_CLRF, popCopyReg(&pc_status));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_ssave));
+
+ pBlockConvert2ISR(pb);
+#if 0
if (!inExcludeList("acc"))
pic14_emitcode ("push","acc");
if (!inExcludeList("b"))
for ( i = 0 ; i < sym->regsUsed->size ; i++) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ pic14_emitcode("push","junk");//"%s",pic14_regWithIdx(i)->dname);
}
}
saverbank(0,ic,FALSE);
}
}
+#endif
} else {
/* if callee-save to be used for this function
then save the registers being used in this function */
for ( i = 0 ; i < sym->regsUsed->size ; i++) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) {
- pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
+ //pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname);
_G.nRegsSaved++;
}
}
for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ pic14_emitcode("pop","junk");//"%s",pic14_regWithIdx(i)->dname);
}
}
unsaverbank(0,ic,FALSE);
}
}
-
+#if 0
if (options.model == MODEL_FLAT24 && !inExcludeList("dpx"))
{
if (options.stack10bit)
if (IFFUNC_ISCRITICAL(sym->type))
pic14_emitcode("setb","ea");
+#endif
/* if debug then send end of function */
/* if (options.debug && currFunc) { */
}
pic14_emitcode ("reti","");
+
+ emitpcode(POC_CLRF, popCopyReg(&pc_status));
+ emitpcode(POC_SWAPFW, popCopyReg(&pc_ssave));
+ emitpcode(POC_MOVWF, popCopyReg(&pc_status));
+ emitpcode(POC_SWAPF, popCopyReg(&pc_wsave));
+ emitpcode(POC_MOVFW, popCopyReg(&pc_wsave));
+ addpCode2pBlock(pb,newpCodeLabel("END_OF_INTERRUPT",-1));
+
+ emitpcodeNULLop(POC_RETFIE);
+
}
else {
if (IFFUNC_ISCRITICAL(sym->type))
for ( i = sym->regsUsed->size ; i >= 0 ; i--) {
if (bitVectBitValue(sym->regsUsed,i) ||
(pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) )
- pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname);
+ pic14_emitcode("pop","junk");//"%s",pic14_regWithIdx(i)->dname);
}
}
pic14_emitcode ("goto","_%05d_DS_",(IC_LABEL(ic)->key+100)+labelOffset);
}
-/*-----------------------------------------------------------------*/
-/* findLabelBackwards: walks back through the iCode chain looking */
-/* for the given label. Returns number of iCode instructions */
-/* between that label and given ic. */
-/* Returns zero if label not found. */
-/*-----------------------------------------------------------------*/
-#if 0
-static int findLabelBackwards(iCode *ic, int key)
-{
- int count = 0;
-
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- while (ic->prev)
- {
- ic = ic->prev;
- count++;
-
- if (ic->op == LABEL && IC_LABEL(ic)->key == key)
- {
- /* printf("findLabelBackwards = %d\n", count); */
- return count;
- }
- }
-
- return 0;
-}
-#endif
/*-----------------------------------------------------------------*/
/* genMultbits :- multiplication of bits */
operand *right,
operand *result)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(!pic14_sameRegs(AOP(result),AOP(right)))
+ emitpcode(POC_BSF, popGet(AOP(result),0));
+
+ emitpcode(POC_BTFSC,popGet(AOP(right),0));
+ emitpcode(POC_BTFSS,popGet(AOP(left),0));
+ emitpcode(POC_BCF, popGet(AOP(result),0));
- pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
- pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir);
- pic14_outBitC(result);
}
operand *right,
operand *result)
{
- sym_link *opetype = operandType(result);
- char *l ;
- symbol *lbl ;
- int size,offset;
+ sym_link *opetype = operandType(result);
+
+ // symbol *lbl ;
+ int size,offset;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+ DEBUGpic14_AopTypeSign(__LINE__,left,right,result);
+
+ /* (if two literals, the value is computed before) */
+ /* if one literal, literal on the right */
+ if (AOP_TYPE(left) == AOP_LIT){
+ operand *t = right;
+ right = left;
+ left = t;
+ }
+
+ size = AOP_SIZE(result);
+ if(size == 1) {
+
+ if (AOP_TYPE(right) == AOP_LIT){
+ pic14_emitcode("multiply ","lit val:%s by variable %s and store in %s",
+ aopGet(AOP(right),0,FALSE,FALSE),
+ aopGet(AOP(left),0,FALSE,FALSE),
+ aopGet(AOP(result),0,FALSE,FALSE));
+ pic14_emitcode("call","genMultLit");
+ } else {
+ pic14_emitcode("multiply ","variable :%s by variable %s and store in %s",
+ aopGet(AOP(right),0,FALSE,FALSE),
+ aopGet(AOP(left),0,FALSE,FALSE),
+ aopGet(AOP(result),0,FALSE,FALSE));
+ pic14_emitcode("call","genMult8X8_8");
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* (if two literals, the value is computed before) */
- /* if one literal, literal on the right */
- if (AOP_TYPE(left) == AOP_LIT){
- operand *t = right;
- right = left;
- left = t;
}
+ genMult8X8_8 (left, right,result);
+
- size = AOP_SIZE(result);
/* signed or unsigned */
- pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("mul","ab");
+ //pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE));
+ //l = aopGet(AOP(left),0,FALSE,FALSE);
+ //MOVA(l);
+ //pic14_emitcode("mul","ab");
/* if result size = 1, mul signed = mul unsigned */
- aopPut(AOP(result),"a",0);
- if (size > 1){
- if (SPEC_USIGN(opetype)){
- aopPut(AOP(result),"b",1);
- if (size > 2)
- /* for filling the MSBs */
- pic14_emitcode("clr","a");
- }
- else{
- pic14_emitcode("mov","a,b");
+ //aopPut(AOP(result),"a",0);
- /* adjust the MSB if left or right neg */
+ } else { // (size > 1)
- /* if one literal */
- if (AOP_TYPE(right) == AOP_LIT){
- /* AND literal negative */
- if((int) floatFromVal (AOP(right)->aopu.aop_lit) < 0){
- /* adjust MSB (c==0 after mul) */
- pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
- }
- }
- else{
- lbl = newiTempLabel(NULL);
- pic14_emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
- pic14_emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100));
- pic14_emitcode("","%05d_DS_:",(lbl->key+100));
- pic14_emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE));
- lbl = newiTempLabel(NULL);
- pic14_emitcode("jc","%05d_DS_",(lbl->key+100));
- pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
- pic14_emitcode("","%05d_DS_:",(lbl->key+100));
- }
+ pic14_emitcode("multiply (size>1) ","variable :%s by variable %s and store in %s",
+ aopGet(AOP(right),0,FALSE,FALSE),
+ aopGet(AOP(left),0,FALSE,FALSE),
+ aopGet(AOP(result),0,FALSE,FALSE));
- lbl = newiTempLabel(NULL);
- pic14_emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE));
- pic14_emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100));
- pic14_emitcode("","%05d_DS_:",(lbl->key+100));
- pic14_emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE));
- lbl = newiTempLabel(NULL);
- pic14_emitcode("jc","%05d_DS_",(lbl->key+100));
- pic14_emitcode("subb","a,%s", aopGet(AOP(right),0,FALSE,FALSE));
- pic14_emitcode("","%05d_DS_:",(lbl->key+100));
+ if (SPEC_USIGN(opetype)){
+ pic14_emitcode("multiply ","unsigned result. size = %d",AOP_SIZE(result));
+ genUMult8X8_16 (left, right, result, NULL);
- aopPut(AOP(result),"a",1);
- if(size > 2){
- /* get the sign */
- pic14_emitcode("rlc","a");
- pic14_emitcode("subb","a,acc");
- }
- }
- size -= 2;
- offset = 2;
- if (size > 0)
- while (size--)
- aopPut(AOP(result),"a",offset++);
+ if (size > 2) {
+ /* for filling the MSBs */
+ emitpcode(POC_CLRF, popGet(AOP(result),2));
+ emitpcode(POC_CLRF, popGet(AOP(result),3));
+ }
+ }
+ else{
+ pic14_emitcode("multiply ","signed result. size = %d",AOP_SIZE(result));
+
+ pic14_emitcode("mov","a,b");
+
+ /* adjust the MSB if left or right neg */
+
+ /* if one literal */
+ if (AOP_TYPE(right) == AOP_LIT){
+ pic14_emitcode("multiply ","right is a lit");
+ /* AND literal negative */
+ if((int) floatFromVal (AOP(right)->aopu.aop_lit) < 0){
+ /* adjust MSB (c==0 after mul) */
+ pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE));
+ }
+ }
+ else{
+ genSMult8X8_16 (left, right, result, NULL);
+ }
+
+ if(size > 2){
+ pic14_emitcode("multiply ","size is greater than 2, so propogate sign");
+ /* get the sign */
+ pic14_emitcode("rlc","a");
+ pic14_emitcode("subb","a,acc");
+ }
}
+
+ size -= 2;
+ offset = 2;
+ if (size > 0)
+ while (size--)
+ pic14_emitcode("multiply ","size is way greater than 2, so propogate sign");
+ //aopPut(AOP(result),"a",offset++);
+ }
}
/*-----------------------------------------------------------------*/
aopOp (right,ic,FALSE);
aopOp (result,ic,TRUE);
+ DEBUGpic14_AopType(__LINE__,left,right,result);
+
/* special cases first */
/* both are bits */
if (AOP_TYPE(left) == AOP_CRY &&
goto release ;
}
- /* should have been converted to function call */
- assert(0) ;
+ pic14_emitcode("multiply ","sizes are greater than 2... need to insert proper algor.");
+
+ /* should have been converted to function call */
+ //assert(0) ;
release :
freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
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 */
/*-----------------------------------------------------------------*/
pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset);
}
+/*-----------------------------------------------------------------*/
+/* genSkipCond */
+/*-----------------------------------------------------------------*/
+static void genSkipCond(resolvedIfx *rifx,operand *op, int offset, int bit)
+{
+ if(!rifx)
+ return;
+
+ if(rifx->condition)
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0));
+ else
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0));
+
+
+ emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key));
+ rifx->generated = 1;
+}
+
+#if 0
+/*-----------------------------------------------------------------*/
+/* genChkZeroes :- greater or less than comparison */
+/* For each byte in a literal that is zero, inclusive or the */
+/* the corresponding byte in the operand with W */
+/* returns true if any of the bytes are zero */
+/*-----------------------------------------------------------------*/
+static int genChkZeroes(operand *op, int lit, int size)
+{
+
+ int i;
+ int flag =1;
+
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+ if(i==0) {
+ if(flag)
+ emitpcode(POC_MOVFW, popGet(AOP(op),size));
+ else
+ emitpcode(POC_IORFW, popGet(AOP(op),size));
+ flag = 0;
+ }
+ }
+
+ return (flag==0);
+}
+#endif
+
/*-----------------------------------------------------------------*/
/* genCmp :- greater or less than comparison */
/*-----------------------------------------------------------------*/
static void genCmp (operand *left,operand *right,
operand *result, iCode *ifx, int sign)
{
- int size, offset = 0 ;
+ int size; //, offset = 0 ;
unsigned long lit = 0L,i = 0;
- resolvedIfx rIfx;
-
+ resolvedIfx rFalseIfx;
+ // resolvedIfx rTrueIfx;
+ symbol *truelbl;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(ifx) {
DEBUGpic14_emitcode ("; ***","true ifx is %s",((IC_TRUE(ifx) == NULL) ? "false" : "true"));
DEBUGpic14_emitcode ("; ***","false ifx is %s",((IC_FALSE(ifx) == NULL) ? "false" : "true"));
}
- resolveIfx(&rIfx,ifx);
+ resolveIfx(&rFalseIfx,ifx);
+ truelbl = newiTempLabel(NULL);
+
+ //if(IC_TRUE(ifx) == NULL)
/* if left & right are bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
AOP_TYPE(right) == AOP_CRY ) {
size = max(AOP_SIZE(left),AOP_SIZE(right));
/* if unsigned char cmp with lit, do cjne left,#right,zz */
- if((size == 1) && !sign &&
- (AOP_TYPE(right) == AOP_LIT && AOP_TYPE(left) != AOP_DIR )){
+ //if((size == 1) && !sign &&
+ // (AOP_TYPE(right) == AOP_LIT && AOP_TYPE(left) != AOP_DIR )){
+ // symbol *lbl = newiTempLabel(NULL);
+ // pic14_emitcode("cjne","%s,%s,%05d_DS_",
+ // aopGet(AOP(left),offset,FALSE,FALSE),
+ // aopGet(AOP(right),offset,FALSE,FALSE),
+ // lbl->key+100);
+ //pic14_emitcode("","%05d_DS_:",lbl->key+100);
+ //} else
+ {
+
symbol *lbl = newiTempLabel(NULL);
- pic14_emitcode("cjne","%s,%s,%05d_DS_",
- aopGet(AOP(left),offset,FALSE,FALSE),
- aopGet(AOP(right),offset,FALSE,FALSE),
- lbl->key+100);
- pic14_emitcode("","%05d_DS_:",lbl->key+100);
- } else {
if(AOP_TYPE(right) == AOP_LIT) {
- symbol *lbl = newiTempLabel(NULL);
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);
+
+ /* special cases */
+
+ if(lit == 0) {
+ if(sign != 0)
+ genSkipCond(&rFalseIfx,left,size-1,7);
+ else
+ /* no need to compare to 0...*/
+ /* NOTE: this is a de-generate compare that most certainly
+ * creates some dead code. */
+ emitpcode(POC_GOTO,popGetLabel(rFalseIfx.lbl->key));
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
size--;
- i = (lit >> (size*8)) & 0xff;
+
+ if(size == 0) {
+ //i = (lit >> (size*8)) & 0xff;
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+
+ i = ((0-lit) & 0xff);
+ if(sign) {
+ if( i == 0x81) {
+ /* lit is 0x7f, all signed chars are less than
+ * this except for 0x7f itself */
+ emitpcode(POC_XORLW, popGetLit(0x7f));
+ genSkipz2(&rFalseIfx);
+ } else {
+ emitpcode(POC_ADDLW, popGetLit(0x80));
+ emitpcode(POC_ADDLW, popGetLit(i^0x80));
+ genSkipc(&rFalseIfx);
+ }
+
+ } else {
+ emitpcode(POC_ADDLW, popGetLit(i));
+ genSkipc(&rFalseIfx);
+
+ }
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ /* chars are out of the way. now do ints and longs */
+
+
+ DEBUGpic14_emitcode(";right lit","line = %d",__LINE__);
+
+ /* special cases */
+
if(sign) {
- if(i & 0x80) {
+
+ if(lit == 0) {
+ genSkipCond(&rFalseIfx,left,size,7);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(lit <0x100) {
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,left,size,7);
+ //rFalseIfx.condition ^= 1;
+
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ emitpcode(POC_MOVLW, popGetLit(0x100-lit));
+ emitpcode(POC_ADDFW, popGet(AOP(left),0));
+ emitpcode(POC_MOVFW, popGet(AOP(left),1));
+
+ while(size > 1)
+ emitpcode(POC_IORFW, popGet(AOP(left),size--));
+
+ if(rFalseIfx.condition) {
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ } else {
+ emitSKPNZ;
+ }
+
+ genSkipc(&rFalseIfx);
+ emitpLabel(truelbl->key);
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
+
+ if(size == 1) {
+
+ if( (lit & 0xff) == 0) {
+ /* lower byte is zero */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+ i = ((lit >> 8) & 0xff) ^0x80;
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_ADDLW, popGetLit( 0x80));
+ emitpcode(POC_ADDLW, popGetLit(0x100-i));
+ genSkipc(&rFalseIfx);
+
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
+ } else {
+ /* Special cases for signed longs */
+ if( (lit & 0xffffff) == 0) {
+ /* lower byte is zero */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+ i = ((lit >> 8*3) & 0xff) ^0x80;
+ emitpcode(POC_MOVFW, popGet(AOP(left),size));
+ emitpcode(POC_ADDLW, popGetLit( 0x80));
+ emitpcode(POC_ADDLW, popGetLit(0x100-i));
+ genSkipc(&rFalseIfx);
+
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+ }
+
+ }
+
+
+ if(lit & (0x80 << (size*8))) {
+ /* lit is negative */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
+
+ //genSkipCond(&rFalseIfx,left,size,7);
+
emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+
+
} else {
+ /* lit is positive */
+ DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit);
emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ //emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0));
+ //emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,left,size,7);
+ //rFalseIfx.condition ^= 1;
+ }
+
+ /*
+ This works, but is only good for ints.
+ It also requires a "known zero" register.
+ emitpcode(POC_MOVLW, popGetLit(mlit & 0xff));
+ emitpcode(POC_ADDFW, popGet(AOP(left),0));
+ emitpcode(POC_RLFW, popCopyReg(&pc_kzero));
+ emitpcode(POC_ADDLW, popGetLit( ((mlit>>8) & 0xff)));
+ emitpcode(POC_ADDFW, popGet(AOP(left),1));
+ genSkipc(&rFalseIfx);
+
+ emitpLabel(truelbl->key);
+ if(ifx) ifx->generated = 1;
+ return;
+ **/
+
+ /* There are no more special cases, so perform a general compare */
+
+ emitpcode(POC_MOVLW, popGetLit((lit >> (size*8)) & 0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+
+ while(size--) {
+
+ emitpcode(POC_MOVLW, popGetLit((lit >> (size*8)) & 0xff));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
}
- emitpcode(POC_GOTO,popGetLabel(lbl->key));
+ //rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+
}
+
+ /* sign is out of the way. So now do an unsigned compare */
+ DEBUGpic14_emitcode(";right lit","line = %d unsigned compare to 0x%x",__LINE__,lit);
+
+
+ //genChkZeroes(left)
+
+ /* General case - compare to an unsigned literal on the right.*/
+
+ i = (lit >> (size*8)) & 0xff;
emitpcode(POC_MOVLW, popGetLit(i));
emitpcode(POC_SUBFW, popGet(AOP(left),size));
while(size--) {
i = (lit >> (size*8)) & 0xff;
- emitpcode(POC_MOVLW, popGetLit(i));
- emitSKPNC;
- emitpcode(POC_SUBFW, popGet(AOP(left),size));
+
+ if(i) {
+ emitpcode(POC_MOVLW, popGetLit(i));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ } else {
+ /* this byte of the lit is zero,
+ *if it's not the last then OR in the variable */
+ if(size)
+ emitpcode(POC_IORFW, popGet(AOP(left),size));
+ }
}
- if(ifx) {
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- //genSkipc(ifx,0,1); //IC_TRUE(ifx) == NULL);
- genSkipc(&rIfx);
- //if(sign)
- emitpLabel(lbl->key);
- ifx->generated = 1;
- }
+ emitpLabel(lbl->key);
+ //if(emitFinalCheck)
+ genSkipc(&rFalseIfx);
+ if(sign)
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
return;
+
+
}
if(AOP_TYPE(left) == AOP_LIT) {
lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit));
+
DEBUGpic14_emitcode(";left lit","lit = %d,sign=%d",lit,sign);
+ /* Special cases */
+ if((lit == 0) && (sign == 0)){
+
+ size--;
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(size)
+ emitpcode(POC_IORFW, popGet(AOP(right),--size));
+
+ //rFalseIfx.condition ^= 1;
+ genSkipz2(&rFalseIfx);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
if(size==1) {
+ /* Special cases */
+ lit &= 0xff;
+ if(((lit == 0xff) && !sign) || ((lit==0x7f) && sign)) {
+ /* degenerate compare can never be true */
+ if(rFalseIfx.condition == 0)
+ emitpcode(POC_GOTO,popGetLabel(rFalseIfx.lbl->key));
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
if(sign) {
- 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));
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
} else {
- emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),7,0));
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,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__);
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+ } else {
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
+ genSkipz2(&rFalseIfx);
}
}
- 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);
+
+ if(ifx) ifx->generated = 1;
+ return;
+
} else {
- size--;
- //lit++;
- i = (lit >> (size*8)) & 0xff;
+
+ /* Size is greater than 1 */
+
+
if(sign) {
- if(i & 0x80) {
+ int lp1 = lit+1;
+
+ size--;
+
+ if(lp1 == 0) {
+ /* this means lit = 0xffffffff, or -1 */
+
+
+ DEBUGpic14_emitcode(";left lit = -1","line = %d ",__LINE__);
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,right,size,7);
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ if(lit == 0) {
+ int s = size;
+
+ if(rFalseIfx.condition) {
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+ }
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ while(size--)
+ emitpcode(POC_IORFW, popGet(AOP(right),size));
+
+
+ emitSKPZ;
+ if(rFalseIfx.condition) {
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ emitpLabel(truelbl->key);
+ }else {
+ rFalseIfx.condition ^= 1;
+ genSkipCond(&rFalseIfx,right,s,7);
+ }
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+
+ if(lit & (0x80 << (size*8))) {
+ /* Lit is less than zero */
+ DEBUGpic14_emitcode(";left lit","line = %d 0x%x is less than 0",__LINE__,lit);
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,left,size,7);
+ //rFalseIfx.condition ^= 1;
emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ //emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+ else
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
+
+
} else {
+ /* Lit is greater than or equal to zero */
+ DEBUGpic14_emitcode(";left lit","line = %d 0x%x is greater than 0",__LINE__,lit);
+ //rFalseIfx.condition ^= 1;
+ //genSkipCond(&rFalseIfx,right,size,7);
+ //rFalseIfx.condition ^= 1;
+
+ //emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
+ //emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+
emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0));
- }
- if(ifx) {
- if(IC_TRUE(ifx) != NULL)
- emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key));
+ if(rFalseIfx.condition)
+ emitpcode(POC_GOTO, popGetLabel(truelbl->key));
else
- emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key));
+ emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key));
+
}
- }
+ emitpcode(POC_MOVLW, popGetLit((lp1 >> (size*8)) & 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);
+ while(size--) {
- }
-/*
+ emitpcode(POC_MOVLW, popGetLit((lp1 >> (size*8)) & 0xff));
+ emitSKPNZ;
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+ }
+ rFalseIfx.condition ^= 1;
+ //rFalseIfx.condition = 1;
+ genSkipc(&rFalseIfx);
+
+ emitpLabel(truelbl->key);
+
+ if(ifx) ifx->generated = 1;
+ return;
+
+ } else {
+ /* Unsigned compare for sizes greater than 1 */
+
+ while(size--) {
+ i = (lit >> (size*8)) & 0xff;
+
+
+ if(size) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVLW, popGetLit(i&0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ } else {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ emitpcode(POC_MOVLW, popGetLit((i+1)&0xff));
+ emitpcode(POC_SUBFW, popGet(AOP(right),size));
+
+ }
+ }
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ emitpLabel(lbl->key);
+
+ rFalseIfx.condition ^= 1;
+ genSkipc(&rFalseIfx);
+
+ }
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(&rFalseIfx);
+
+ if(ifx) ifx->generated = 1;
+ return;
+ }
+
+ } else {
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
+ }
+
+
+ /* The rest of the bytes of a multi-byte compare */
+ while (size) {
+
+ emitSKPZ;
+ emitpcode(POC_GOTO, popGetLabel(lbl->key));
+ size--;
+
+ emitpcode(POC_MOVFW, popGet(AOP(right),size));
+ emitpcode(POC_SUBFW, popGet(AOP(left),size));
- 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(&rFalseIfx);
+ 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;
}
is not */
if ((AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) ||
(IS_AOP_PREG(right) && !IS_AOP_PREG(left))) {
- operand *t = IC_RIGHT(ic);
- IC_RIGHT(ic) = IC_LEFT(ic);
- IC_LEFT(ic) = t;
+ operand *tmp = right ;
+ right = left;
+ left = tmp;
}
+
if(ifx && !AOP_SIZE(result)){
symbol *tlbl;
/* if they are both bit variables */
if (AOP_TYPE(left) == AOP_CRY &&
((AOP_TYPE(right) == AOP_CRY) || (AOP_TYPE(right) == AOP_LIT))) {
if(AOP_TYPE(right) == AOP_LIT){
- unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ unsigned long lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
if(lit == 0L){
pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
pic14_emitcode("cpl","c");
pic14_emitcode("ljmp","%05d_DS_",IC_FALSE(ifx)->key+100);
}
pic14_emitcode("","%05d_DS_:",tlbl->key+100+labelOffset);
+
+ {
+ /* left and right are both bit variables, result is carry */
+ resolvedIfx rIfx;
+
+ resolveIfx(&rIfx,ifx);
+
+ emitpcode(POC_MOVLW,popGet(AOP(left),0));
+ emitpcode(POC_ANDFW,popGet(AOP(left),0));
+ emitpcode(POC_BTFSC,popGet(AOP(right),0));
+ emitpcode(POC_ANDLW,popGet(AOP(left),0));
+ genSkipz2(&rIfx);
+ }
} else {
/* They're not both bit variables. Is the right a literal? */
if(AOP_TYPE(right) == AOP_LIT) {
lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
-
switch(size) {
case 1:
if (AOP_TYPE(left) == AOP_CRY &&
((AOP_TYPE(right) == AOP_CRY) || (AOP_TYPE(right) == AOP_LIT))) {
if(AOP_TYPE(right) == AOP_LIT){
- unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ unsigned long lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
if(lit == 0L){
pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir);
pic14_emitcode("cpl","c");
pic14_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 */
}
// lit>>1 != 0 => result = 1
if(AOP_TYPE(result) == AOP_CRY){
if(size)
- pic14_emitcode("setb","%s",AOP(result)->aopu.aop_dir);
+ {emitpcode(POC_BSF, popGet(AOP(result),offset));
+ pic14_emitcode("setb","%s",AOP(result)->aopu.aop_dir);}
else if(ifx)
continueIfTrue(ifx);
goto release;
} else{
// lit == 1, result = not(left)
if(size && pic14_sameRegs(AOP(result),AOP(left))){
+ emitpcode(POC_MOVLW, popGet(AOP(result),offset));
+ emitpcode(POC_XORWF, popGet(AOP(result),offset));
pic14_emitcode("cpl","%s",AOP(result)->aopu.aop_dir);
goto release;
} else {
if (*bp == '\n') {
*bp++ = '\0';
pic14_emitcode(bp1,"");
+ addpCode2pBlock(pb,newpCodeInlineP(bp1));
bp1 = bp;
} else {
if (*bp == ':') {
bp++;
}
}
- if (bp1 != bp)
+ if (bp1 != bp) {
pic14_emitcode(bp1,"");
+ addpCode2pBlock(pb,newpCodeInlineP(bp1));
+ }
/* pic14_emitcode("",buffer); */
_G.inLine -= (!options.asmpeep);
}
/*-----------------------------------------------------------------*/
static void genRRC (iCode *ic)
{
- operand *left , *result ;
- int size, offset = 0;
- char *l;
+ operand *left , *result ;
+ int size, offset = 0, same;
- /* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ /* rotate right with carry */
+ left = IC_LEFT(ic);
+ result=IC_RESULT(ic);
+ aopOp (left,ic,FALSE);
+ aopOp (result,ic,FALSE);
- /* move it to the result */
- size = AOP_SIZE(result);
- offset = size - 1 ;
- CLRC;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,FALSE);
- MOVA(l);
- 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);
}
/*-----------------------------------------------------------------*/
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- same = (left == result) || (AOP(left) == AOP(result));
+ same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr);
switch(shCount) {
case 1:
emitpcode(POC_MOVWF, popGet(AOP(result),offr));
}
- break;
-
+ break;
+ case 2:
+
+ emitpcode(POC_RLFW, popGet(AOP(left),offl));
+ if(same)
+ emitpcode(POC_RRF, popGet(AOP(result),offr));
+ else {
+ emitpcode(POC_RRFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+ emitpcode(POC_RLFW, popGet(AOP(result),offl));
+ emitpcode(POC_RRF, popGet(AOP(result),offl));
+
+ break;
+
+ case 3:
+ if(same)
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr));
+ else {
+ emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_RLFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW, popGetLit(0x1f));
+
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),3,0));
+ emitpcode(POC_IORLW, popGetLit(0xe0));
+
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+
+ case 4:
+ emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
+ emitpcode(POC_ANDLW, popGetLit(0x0f));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_IORLW, popGetLit(0xf0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ break;
+ case 5:
+ if(same) {
+ emitpcode(POC_SWAPF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_SWAPFW, popGet(AOP(result),offr));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ }
+ emitpcode(POC_RRFW, popGet(AOP(result),offr));
+ emitpcode(POC_ANDLW, popGetLit(0x07));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),3,0));
+ emitpcode(POC_IORLW, popGetLit(0xf8));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+
+
+
+ break;
+
+ case 6:
+ if(same) {
+ emitpcode(POC_MOVLW, popGetLit(0x00));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0));
+ emitpcode(POC_MOVLW, popGetLit(0xfe));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),6,0));
+ emitpcode(POC_IORLW, popGetLit(0x01));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),offr));
+ emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),6,0));
+ emitpcode(POC_BCF, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),0,0));
+ }
+ break;
+
+ case 7:
+ if(same) {
+ emitpcode(POC_MOVLW, popGetLit(0x00));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0));
+ emitpcode(POC_MOVLW, popGetLit(0xff));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
+ } else {
+ emitpcode(POC_CLRF, popGet(AOP(result),offr));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),offr));
+ }
+
default:
break;
}
break;
case 3:
- if(same)
+ if(same)
emitpcode(POC_SWAPF, popGet(AOP(result),offr));
else {
emitpcode(POC_SWAPFW, popGet(AOP(left),offl));
default:
break;
}
-
-
-#if 0
-
- MOVA(aopGet(AOP(left),offl,FALSE,FALSE));
-
- /* shift right accumulator */
- if(sign)
- AccSRsh(shCount);
- else
- AccRsh(shCount);
- aopPut(AOP(result),"a",offr);
-#endif
}
/*-----------------------------------------------------------------*/
static void movLeft2Result (operand *left, int offl,
operand *result, int offr, int sign)
{
- char *l;
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if(!pic14_sameRegs(AOP(left),AOP(result)) || (offl != offr)){
- l = aopGet(AOP(left),offl,FALSE,FALSE);
-
- if (*l == '@' && (IS_AOP_PREG(result))) {
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offr);
- } else {
- if(!sign) {
- emitpcode(POC_MOVFW, popGet(AOP(left),offl));
- emitpcode(POC_MOVWF, popGet(AOP(result),offr));
-
- //aopPut(AOP(result),l,offr);
- }else{
- /* MSB sign in acc.7 ! */
- if(pic14_getDataSize(left) == offl+1){
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offr);
- }
- }
- }
- }
-}
+ char *l;
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ if(!pic14_sameRegs(AOP(left),AOP(result)) || (offl != offr)){
+ l = aopGet(AOP(left),offl,FALSE,FALSE);
-/*-----------------------------------------------------------------*/
-/* 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);
-}
+ if (*l == '@' && (IS_AOP_PREG(result))) {
+ pic14_emitcode("mov","a,%s",l);
+ aopPut(AOP(result),"a",offr);
+ } else {
+ //if(!sign) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),offl));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr));
-/*-----------------------------------------------------------------*/
-/* 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;
+ //aopPut(AOP(result),l,offr);
+ //}else{
+ /* MSB sign in acc.7 ! */
+ //if(pic14_getDataSize(left) == offl+1){
+ // pic14_emitcode("mov","a,%s",l);
+ // aopPut(AOP(result),"a",offr);
+ //}
+ //}
}
+ }
}
/*-----------------------------------------------------------------*/
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_SWAPFW,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_SWAPFW,popGet(AOP(left),offl+MSB16));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ANDLW, popGetLit(0xf0));
+ emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16));
+ emitpcode(POC_ADDWF, popGet(AOP(result),offr));
+ }
- 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*/
/*-----------------------------------------------------------------*/
freeAsmop(result,NULL,ic,TRUE);
}
+/*-----------------------------------------------------------------*
+ * genMultiAsm - repeat assembly instruction for size of register.
+ * if endian == 1, then the high byte (i.e base address + size of
+ * register) is used first else the low byte is used first;
+ *-----------------------------------------------------------------*/
+static void genMultiAsm( PIC_OPCODE poc, operand *reg, int size, int endian)
+{
+
+ int offset = 0;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ if(!reg)
+ return;
+
+ if(!endian) {
+ endian = 1;
+ } else {
+ endian = -1;
+ offset = size-1;
+ }
+
+ while(size--) {
+ emitpcode(poc, popGet(AOP(reg),offset));
+ offset += endian;
+ }
+
+}
/*-----------------------------------------------------------------*/
/* genLeftShift - generates code for left shifting */
/*-----------------------------------------------------------------*/
goto release ;
}
+ if (pic14_sameRegs(AOP(left),AOP(result))) {
+
+ tlbl = newiTempLabel(NULL);
+ emitpcode(POC_COMFW, popGet(AOP(right),0));
+ genMultiAsm(POC_RRF, result, size,1);
+ emitpLabel(tlbl->key);
+ genMultiAsm(POC_RLF, result, size,0);
+ emitpcode(POC_ADDLW, popGetLit(1));
+ emitSKPC;
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ goto release;
+ }
tlbl = newiTempLabel(NULL);
offset = 0 ;
static void genrshTwo (operand *result,operand *left,
int shCount, int sign)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- /* if shCount >= 8 */
- if (shCount >= 8) {
- shCount -= 8 ;
- if (shCount)
- shiftR1Left2Result(left, MSB16, result, LSB,
- shCount, sign);
- else
- movLeft2Result(left, MSB16, result, LSB, sign);
- if(sign)
- addSign(result, MSB16, sign);
- else
- emitpcode(POC_CLRF,popGet(AOP(result),MSB16));
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* if shCount >= 8 */
+ if (shCount >= 8) {
+ shCount -= 8 ;
+ if (shCount)
+ shiftR1Left2Result(left, MSB16, result, LSB,
+ shCount, sign);
+ else
+ movLeft2Result(left, MSB16, result, LSB, sign);
+ emitpcode(POC_CLRF,popGet(AOP(result),MSB16));
+
+ if(sign) {
+ emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),MSB16));
}
+ }
- /* 1 <= shCount <= 7 */
- else
- shiftR2Left2Result(left, LSB, result, LSB, shCount, sign);
+ /* 1 <= shCount <= 7 */
+ else
+ shiftR2Left2Result(left, LSB, result, LSB, shCount, sign);
}
/*-----------------------------------------------------------------*/
break;
}
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
- }
-}
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
+ }
+}
+
+/*-----------------------------------------------------------------*/
+/* genSignedRightShift - right shift of signed number */
+/*-----------------------------------------------------------------*/
+static void genSignedRightShift (iCode *ic)
+{
+ operand *right, *left, *result;
+ int size, offset;
+ // char *l;
+ symbol *tlbl, *tlbl1 ;
+ pCodeOp *pctemp;
+
+ //same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr);
+
+ /* we do it the hard way put the shift count in b
+ and loop thru preserving the sign */
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+
+ right = IC_RIGHT(ic);
+ left = IC_LEFT(ic);
+ result = IC_RESULT(ic);
+
+ aopOp(right,ic,FALSE);
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
+
+
+ if ( AOP_TYPE(right) == AOP_LIT) {
+ genRightShiftLiteral (left,right,result,ic,1);
+ return ;
+ }
+ /* shift count is unknown then we have to form
+ a loop get the loop count in B : Note: we take
+ only the lower order byte since shifting
+ more that 32 bits make no sense anyway, ( the
+ largest size of an object can be only 32 bits ) */
+
+ //pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
+ //pic14_emitcode("inc","b");
+ //freeAsmop (right,NULL,ic,TRUE);
+ //aopOp(left,ic,FALSE);
+ //aopOp(result,ic,FALSE);
+
+ /* now move the left to the result if they are not the
+ same */
+ if (!pic14_sameRegs(AOP(left),AOP(result)) &&
+ AOP_SIZE(result) > 1) {
+
+ size = AOP_SIZE(result);
+ offset=0;
+ while (size--) {
+ /*
+ l = aopGet(AOP(left),offset,FALSE,TRUE);
+ if (*l == '@' && IS_AOP_PREG(result)) {
+
+ pic14_emitcode("mov","a,%s",l);
+ aopPut(AOP(result),"a",offset);
+ } else
+ aopPut(AOP(result),l,offset);
+ */
+ emitpcode(POC_MOVFW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
-/*-----------------------------------------------------------------*/
-/* genSignedRightShift - right shift of signed number */
-/*-----------------------------------------------------------------*/
-static void genSignedRightShift (iCode *ic)
-{
- operand *right, *left, *result;
- int size, offset;
- char *l;
- symbol *tlbl, *tlbl1 ;
+ offset++;
+ }
+ }
- /* we do it the hard way put the shift count in b
- and loop thru preserving the sign */
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ /* mov the highest order bit to OVR */
+ tlbl = newiTempLabel(NULL);
+ tlbl1= newiTempLabel(NULL);
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ size = AOP_SIZE(result);
+ offset = size - 1;
- aopOp(right,ic,FALSE);
+ pctemp = popGetTempReg(); /* grab a temporary working register. */
+ emitpcode(POC_MOVFW, popGet(AOP(right),0));
- if ( AOP_TYPE(right) == AOP_LIT) {
- genRightShiftLiteral (left,right,result,ic,1);
- return ;
- }
- /* shift count is unknown then we have to form
- a loop get the loop count in B : Note: we take
- only the lower order byte since shifting
- more that 32 bits make no sense anyway, ( the
- largest size of an object can be only 32 bits ) */
+ /* offset should be 0, 1 or 3 */
+ emitpcode(POC_ANDLW, popGetLit(0x07 + ((offset&3) << 3)));
+ emitSKPNZ;
+ emitpcode(POC_GOTO, popGetLabel(tlbl1->key));
- pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE));
- pic14_emitcode("inc","b");
- freeAsmop (right,NULL,ic,TRUE);
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
+ emitpcode(POC_MOVWF, pctemp);
- /* now move the left to the result if they are not the
- same */
- if (!pic14_sameRegs(AOP(left),AOP(result)) &&
- AOP_SIZE(result) > 1) {
- size = AOP_SIZE(result);
- offset=0;
- while (size--) {
- l = aopGet(AOP(left),offset,FALSE,TRUE);
- if (*l == '@' && IS_AOP_PREG(result)) {
+ emitpLabel(tlbl->key);
- pic14_emitcode("mov","a,%s",l);
- aopPut(AOP(result),"a",offset);
- } else
- aopPut(AOP(result),l,offset);
- offset++;
- }
- }
+ emitpcode(POC_RLFW, popGet(AOP(result),offset));
+ emitpcode(POC_RRF, popGet(AOP(result),offset));
- /* mov the highest order bit to OVR */
- tlbl = newiTempLabel(NULL);
- tlbl1= newiTempLabel(NULL);
+ while(--size) {
+ emitpcode(POC_RRF, popGet(AOP(result),--offset));
+ }
- size = AOP_SIZE(result);
- offset = size - 1;
- pic14_emitcode("mov","a,%s",aopGet(AOP(left),offset,FALSE,FALSE));
- pic14_emitcode("rlc","a");
- pic14_emitcode("mov","ov,c");
- /* if it is only one byte then */
- if (size == 1) {
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- pic14_emitcode("mov","c,ov");
- pic14_emitcode("rrc","a");
- pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
- pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
- aopPut(AOP(result),"a",0);
- goto release ;
- }
+ emitpcode(POC_DECFSZ, pctemp);
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ emitpLabel(tlbl1->key);
- reAdjustPreg(AOP(result));
+ popReleaseTempReg(pctemp);
+#if 0
+ size = AOP_SIZE(result);
+ offset = size - 1;
+ pic14_emitcode("mov","a,%s",aopGet(AOP(left),offset,FALSE,FALSE));
+ pic14_emitcode("rlc","a");
+ pic14_emitcode("mov","ov,c");
+ /* if it is only one byte then */
+ if (size == 1) {
+ l = aopGet(AOP(left),0,FALSE,FALSE);
+ MOVA(l);
pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
pic14_emitcode("mov","c,ov");
- while (size--) {
- l = aopGet(AOP(result),offset,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("rrc","a");
- aopPut(AOP(result),"a",offset--);
- }
- reAdjustPreg(AOP(result));
+ pic14_emitcode("rrc","a");
pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+ aopPut(AOP(result),"a",0);
+ goto release ;
+ }
-release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ reAdjustPreg(AOP(result));
+ pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
+ pic14_emitcode("","%05d_DS_:",tlbl->key+100);
+ pic14_emitcode("mov","c,ov");
+ while (size--) {
+ l = aopGet(AOP(result),offset,FALSE,FALSE);
+ MOVA(l);
+ pic14_emitcode("rrc","a");
+ aopPut(AOP(result),"a",offset--);
+ }
+ reAdjustPreg(AOP(result));
+ pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
+ pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
+
+ release:
+#endif
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop(right,NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
/* if it is only one byte then */
if (size == 1) {
-/*
- l = aopGet(AOP(left),0,FALSE,FALSE);
- MOVA(l);
- pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100);
- pic14_emitcode("","%05d_DS_:",tlbl->key+100);
- CLRC;
- pic14_emitcode("rrc","a");
- pic14_emitcode("","%05d_DS_:",tlbl1->key+100);
- pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100);
- aopPut(AOP(result),"a",0);
-*/
- tlbl = newiTempLabel(NULL);
- if (!pic14_sameRegs(AOP(left),AOP(result))) {
- emitpcode(POC_MOVFW, popGet(AOP(left),0));
- emitpcode(POC_MOVWF, popGet(AOP(result),0));
- }
- emitpcode(POC_COMFW, popGet(AOP(right),0));
- emitpcode(POC_RLF, popGet(AOP(result),0));
- emitpLabel(tlbl->key);
- emitpcode(POC_RRF, popGet(AOP(result),0));
- emitpcode(POC_ADDLW, popGetLit(1));
- emitSKPC;
- emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+ tlbl = newiTempLabel(NULL);
+ if (!pic14_sameRegs(AOP(left),AOP(result))) {
+ emitpcode(POC_MOVFW, popGet(AOP(left),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
+ }
- goto release ;
+ emitpcode(POC_COMFW, popGet(AOP(right),0));
+ emitpcode(POC_RLF, popGet(AOP(result),0));
+ emitpLabel(tlbl->key);
+ emitpcode(POC_RRF, popGet(AOP(result),0));
+ emitpcode(POC_ADDLW, popGetLit(1));
+ emitSKPC;
+ emitpcode(POC_GOTO,popGetLabel(tlbl->key));
+
+ goto release ;
}
reAdjustPreg(AOP(result));
aopOp(result,ic,TRUE);
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
emitpcode(POC_MOVFW, popGet(AOP(left),0));
size = AOP_SIZE(result);
result is not bit variable type and
the left is pointer to data space i.e
lower 128 bytes of space */
- if (AOP_TYPE(left) == AOP_IMMD &&
+ if (AOP_TYPE(left) == AOP_PCODE && //AOP_TYPE(left) == AOP_IMMD &&
!IS_BITVAR(retype) &&
DCL_TYPE(ltype) == POINTER) {
- genDataPointerGet (left,result,ic);
+ //genDataPointerGet (left,result,ic);
return ;
}
freeAsmop(result,NULL,ic,TRUE);
}
-
+#if 0
/*-----------------------------------------------------------------*/
-/* pic14_emitcodePointerGet - gget value from code space */
+/* genCodePointerGet - get value from code space */
/*-----------------------------------------------------------------*/
-static void pic14_emitcodePointerGet (operand *left,
+static void genCodePointerGet (operand *left,
operand *result, iCode *ic)
{
int size, offset ;
freeAsmop(result,NULL,ic,TRUE);
}
-
+#endif
/*-----------------------------------------------------------------*/
/* genGenPointerGet - gget value from generic pointer space */
/*-----------------------------------------------------------------*/
/* 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 (AOP_TYPE(left) != AOP_STR) {
/* if this is remateriazable */
if (AOP_TYPE(left) == AOP_IMMD) {
pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE));
}
else { /* we need to get it byte by byte */
+ emitpcode(POC_MOVFW,popGet(AOP(left),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
+
size = AOP_SIZE(result);
offset = 0 ;
}
goto release;
}
- }
+ //}
/* so dptr know contains the address */
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",GPOINTER);
+ //if (IS_BITVAR(retype))
+ // genUnpackBits(result,"dptr",GPOINTER);
release:
freeAsmop(left,NULL,ic,TRUE);
}
+/*-----------------------------------------------------------------*/
+/* genConstPointerGet - get value from const generic pointer space */
+/*-----------------------------------------------------------------*/
+static void genConstPointerGet (operand *left,
+ operand *result, iCode *ic)
+{
+ //sym_link *retype = getSpec(operandType(result));
+ symbol *albl = newiTempLabel(NULL);
+ symbol *blbl = newiTempLabel(NULL);
+ PIC_OPCODE poc;
+
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ aopOp(left,ic,FALSE);
+ aopOp(result,ic,FALSE);
+
+
+ DEBUGpic14_AopType(__LINE__,left,NULL,result);
+
+ DEBUGpic14_emitcode ("; "," %d getting const pointer",__LINE__);
+
+ emitpcode(POC_CALL,popGetLabel(albl->key));
+ emitpcode(POC_GOTO,popGetLabel(blbl->key));
+ emitpLabel(albl->key);
+
+ poc = ( (AOP_TYPE(left) == AOP_PCODE) ? POC_MOVLW : POC_MOVFW);
+
+ emitpcode(poc,popGet(AOP(left),1));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_pclath));
+ emitpcode(poc,popGet(AOP(left),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_pcl));
+
+ emitpLabel(blbl->key);
+
+ emitpcode(POC_MOVWF,popGet(AOP(result),0));
+
+
+ freeAsmop(left,NULL,ic,TRUE);
+ freeAsmop(result,NULL,ic,TRUE);
+
+}
/*-----------------------------------------------------------------*/
/* genPointerGet - generate code for pointer get */
/*-----------------------------------------------------------------*/
move it to the correct pointer register */
type = operandType(left);
etype = getSpec(type);
+
+ if (IS_PTR_CONST(type))
+ DEBUGpic14_emitcode ("; ***","%d - const pointer",__LINE__);
+
/* if left is of type of pointer then it is simple */
if (IS_PTR(type) && !IS_FUNC(type->next))
p_type = DCL_TYPE(type);
/* we have to go by the storage class */
p_type = PTR_TYPE(SPEC_OCLS(etype));
-/* if (SPEC_OCLS(etype)->codesp ) { */
-/* p_type = CPOINTER ; */
-/* } */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */
-/* p_type = FPOINTER ; */
-/* else */
-/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */
+ DEBUGpic14_emitcode ("; ***","%d - resolve pointer by storage class",__LINE__);
+
+ if (SPEC_OCLS(etype)->codesp ) {
+ DEBUGpic14_emitcode ("; ***","%d - cpointer",__LINE__);
+ //p_type = CPOINTER ;
+ }
+ else
+ if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged)
+ DEBUGpic14_emitcode ("; ***","%d - fpointer",__LINE__);
+ /*p_type = FPOINTER ;*/
+ else
+ if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged)
+ DEBUGpic14_emitcode ("; ***","%d - ppointer",__LINE__);
/* p_type = PPOINTER; */
-/* else */
-/* if (SPEC_OCLS(etype) == idata ) */
+ else
+ if (SPEC_OCLS(etype) == idata )
+ DEBUGpic14_emitcode ("; ***","%d - ipointer",__LINE__);
/* p_type = IPOINTER; */
-/* else */
+ else
+ DEBUGpic14_emitcode ("; ***","%d - pointer",__LINE__);
/* p_type = POINTER ; */
}
break;
case CPOINTER:
- pic14_emitcodePointerGet (left,result,ic);
+ genConstPointerGet (left,result,ic);
+ //pic14_emitcodePointerGet (left,result,ic);
break;
case GPOINTER:
+ if (IS_PTR_CONST(type))
+ genConstPointerGet (left,result,ic);
+ else
genGenPointerGet (left,result,ic);
- break;
+ break;
}
}
l = aopGet(AOP(result),0,FALSE,TRUE);
size = AOP_SIZE(right);
+/*
+ if ( AOP_TYPE(result) == AOP_PCODE) {
+ fprintf(stderr,"genDataPointerSet %s, %d\n",
+ AOP(result)->aopu.pcop->name,
+ PCOI(AOP(result)->aopu.pcop)->offset);
+ }
+*/
+
// tsd, was l+1 - the underline `_' prefix was being stripped
while (size--) {
- if (offset)
- sprintf(buffer,"(%s + %d)",l,offset);
- else
- sprintf(buffer,"%s",l);
+ if (offset) {
+ sprintf(buffer,"(%s + %d)",l,offset);
+ fprintf(stderr,"oops %s\n",buffer);
+ } else
+ sprintf(buffer,"%s",l);
if (AOP_TYPE(right) == AOP_LIT) {
unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
pic14_emitcode("movwf","%s",buffer);
emitpcode(POC_MOVLW, popGetLit(lit&0xff));
- emitpcode(POC_MOVWF, popRegFromString(buffer));
+ //emitpcode(POC_MOVWF, popRegFromString(buffer));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
} else {
pic14_emitcode("clrf","%s",buffer);
- emitpcode(POC_CLRF, popRegFromString(buffer));
+ //emitpcode(POC_CLRF, popRegFromString(buffer));
+ emitpcode(POC_CLRF, popGet(AOP(result),0));
}
}else {
pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE));
pic14_emitcode("movwf","%s",buffer);
emitpcode(POC_MOVFW, popGet(AOP(right),offset));
- emitpcode(POC_MOVWF, popRegFromString(buffer));
+ //emitpcode(POC_MOVWF, popRegFromString(buffer));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
}
/* if the result is rematerializable &
in data space & not a bit variable */
- if (AOP_TYPE(result) == AOP_IMMD &&
- DCL_TYPE(ptype) == POINTER &&
+ //if (AOP_TYPE(result) == AOP_IMMD &&
+ if (AOP_TYPE(result) == AOP_PCODE && //AOP_TYPE(result) == AOP_IMMD &&
+ DCL_TYPE(ptype) == POINTER &&
!IS_BITVAR(retype)) {
genDataPointerSet (right,result,ic);
return;
/* hack hack! see if this the FSR. If so don't load W */
if(AOP_TYPE(right) != AOP_ACC) {
- if(size==2)
- emitpcode(POC_DECF,popCopyReg(&pc_fsr));
+ emitpcode(POC_MOVFW,popGet(AOP(result),0));
+ emitpcode(POC_MOVWF,popCopyReg(&pc_fsr));
- if(size==4) {
- emitpcode(POC_MOVLW,popGetLit(0xfd));
- emitpcode(POC_ADDWF,popCopyReg(&pc_fsr));
- }
+ //if(size==2)
+ //emitpcode(POC_DECF,popCopyReg(&pc_fsr));
+ //if(size==4) {
+ // emitpcode(POC_MOVLW,popGetLit(0xfd));
+ // emitpcode(POC_ADDWF,popCopyReg(&pc_fsr));
+ //}
while(size--) {
emitpcode(POC_MOVFW,popGet(AOP(right),offset++));
case GPOINTER:
genGenPointerSet (right,result,ic);
break;
- }
+ default:
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "genPointerSet: illegal pointer type");
+ }
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genAddrOf (iCode *ic)
{
- //symbol *sym = OP_SYMBOL(IC_LEFT(ic));
operand *right, *result, *left;
- //int size, offset ;
+ int size, offset ;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
DEBUGpic14_AopType(__LINE__,left,right,result);
- emitpcode(POC_MOVLW, popGet(AOP(left),0));
- emitpcode(POC_MOVWF, popGet(AOP(result),0));
-
-#if 0
- /* object not on stack then we need the name */
size = AOP_SIZE(IC_RESULT(ic));
offset = 0;
while (size--) {
- char s[SDCC_NAME_MAX];
- if (offset)
- sprintf(s,"#(%s >> %d)",
- sym->rname,
- offset*8);
- else
- sprintf(s,"#%s",sym->rname);
- aopPut(AOP(IC_RESULT(ic)),s,offset++);
+ emitpcode(POC_MOVLW, popGet(AOP(left),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+ offset++;
}
-#endif
-
- // freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
freeAsmop(left,NULL,ic,FALSE);
freeAsmop(result,NULL,ic,TRUE);
lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit);
if( AOP_TYPE(right) == AOP_DIR && (AOP_TYPE(result) == AOP_REG) && size==1) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(aopIdx(AOP(result),0) == 4) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
emitpcode(POC_MOVFW, popGet(AOP(right),offset));
emitpcode(POC_MOVWF, popGet(AOP(result),offset));
goto release;
know_W=-1;
while (size--) {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
if(AOP_TYPE(right) == AOP_LIT) {
if(lit&0xff) {
if(know_W != (lit&0xff))
emitpcode(POC_INCF, popGet(AOP(result),0));
}
} else {
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
emitpcode(POC_MOVFW, popGet(AOP(right),offset));
emitpcode(POC_MOVWF, popGet(AOP(result),offset));
}
{
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 (AOP_TYPE(result) == AOP_CRY) {
/* if the right size is a literal then
we know what the value is */
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
if (AOP_TYPE(right) == AOP_LIT) {
emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF),
int offset = 1;
size = AOP_SIZE(result);
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+
emitpcode(POC_CLRF, popGet(AOP(result),0));
emitpcode(POC_BTFSC, popGet(AOP(right),0));
emitpcode(POC_INCF, popGet(AOP(result),0));
if (AOP_SIZE(result) <= AOP_SIZE(right)) {
/* if they are in the same place */
- if (pic14_sameRegs(AOP(right),AOP(result)))
- goto release;
+ if (pic14_sameRegs(AOP(right),AOP(result)))
+ goto release;
+
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
+ if (IS_PTR_CONST(rtype))
+ DEBUGpic14_emitcode ("; ***","%d - right is const pointer",__LINE__);
+ if (IS_PTR_CONST(operandType(IC_RESULT(ic))))
+ DEBUGpic14_emitcode ("; ***","%d - result is const pointer",__LINE__);
+
+ if ((AOP_TYPE(right) == AOP_PCODE) && AOP(right)->aopu.pcop->type == PO_IMMEDIATE) {
+ emitpcode(POC_MOVLW, popGet(AOP(right),0));
+ emitpcode(POC_MOVWF, popGet(AOP(result),0));
+ emitpcode(POC_MOVLW, popGet(AOP(right),1));
+ emitpcode(POC_MOVWF, popGet(AOP(result),1));
+ if(AOP_SIZE(result) <2)
+ fprintf(stderr,"%d -- result is not big enough to hold a ptr\n",__LINE__);
+
+ } else {
/* if they in different places then copy */
size = AOP_SIZE(result);
offset = 0 ;
while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset);
- offset++;
+ emitpcode(POC_MOVFW, popGet(AOP(right),offset));
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset));
+
+ //aopPut(AOP(result),
+ // aopGet(AOP(right),offset,FALSE,FALSE),
+ // offset);
+
+ offset++;
}
- goto release;
+ }
+ goto release;
}
int p_type;
sym_link *type = operandType(right);
sym_link *etype = getSpec(type);
+ DEBUGpic14_emitcode("; ***","%s %d - pointer cast",__FUNCTION__,__LINE__);
/* pointer to generic pointer */
if (IS_GENPTR(ctype)) {
size = GPTRSIZE - 1;
offset = 0 ;
while (size--) {
+ if(offset < AOP_SIZE(right))
aopPut(AOP(result),
aopGet(AOP(right),offset,FALSE,FALSE),
offset);
- offset++;
+ else
+ emitpcode(POC_CLRF,popGet(AOP(result),offset));
+ offset++;
}
/* the last byte depending on type */
switch (p_type) {
case IPOINTER:
case POINTER:
- l = zero;
+ emitpcode(POC_CLRF,popGet(AOP(result),GPTRSIZE - 1));
break;
case FPOINTER:
+ pic14_emitcode(";BUG!? ","%d",__LINE__);
l = one;
break;
case CPOINTER:
+ pic14_emitcode(";BUG!? ","%d",__LINE__);
l = "#0x02";
break;
case PPOINTER:
+ pic14_emitcode(";BUG!? ","%d",__LINE__);
l = "#0x03";
break;
"got unknown pointer type");
exit(1);
}
- aopPut(AOP(result),l, GPTRSIZE - 1);
+ //aopPut(AOP(result),l, GPTRSIZE - 1);
goto release ;
}
if(genMixedOperation(ic))
goto release;
+ DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__);
/* we move to result for the size of source */
size = AOP_SIZE(right);
offset = 0 ;
while (size--) {
- pic14_emitcode(";","%d",__LINE__);
- /* aopPut(AOP(result),
- aopGet(AOP(right),offset,FALSE,FALSE),
- offset); */
emitpcode(POC_MOVFW, popGet(AOP(right),offset));
emitpcode(POC_MOVWF, popGet(AOP(result),offset));
offset++;
/* now depending on the sign of the destination */
size = AOP_SIZE(result) - AOP_SIZE(right);
/* if unsigned or not an integral type */
- if (SPEC_USIGN(ctype) || !IS_SPEC(ctype)) {
- while (size--) {
- emitpcode(POC_CLRF, popGet(AOP(result),offset));
- pic14_emitcode("clrf","%s ;%d",aopGet(AOP(result),offset,FALSE,FALSE),__LINE__);
- offset++;
- }
+ if (SPEC_USIGN(rtype) || !IS_SPEC(rtype)) {
+ while (size--)
+ emitpcode(POC_CLRF, popGet(AOP(result),offset++));
} else {
/* we need to extend the sign :{ */
- emitpcodeNULLop(POC_CLRW);
-
- if(offset)
- emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0));
- else
- emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset,FALSE,FALSE),7,0));
-
- emitpcode(POC_MOVLW, popGetLit(0xff));
+ if(size == 1) {
+ /* Save one instruction of casting char to int */
+ emitpcode(POC_CLRF, popGet(AOP(result),offset));
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0));
+ emitpcode(POC_DECF, popGet(AOP(result),offset));
+ } else {
+ emitpcodeNULLop(POC_CLRW);
- pic14_emitcode("clrw","");
- pic14_emitcode("btfsc","(%s >> 3), (%s & 7)",
- AOP(right)->aopu.aop_dir,
- AOP(right)->aopu.aop_dir);
- pic14_emitcode("movlw","0xff");
- while (size--) {
- emitpcode(POC_MOVWF, popGet(AOP(result),offset));
- pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE));
- offset++;
- // aopPut(AOP(result),"a",offset++);
- }
+ if(offset)
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0));
+ else
+ emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset,FALSE,FALSE),7,0));
+
+ emitpcode(POC_MOVLW, popGetLit(0xff));
+ while (size--)
+ emitpcode(POC_MOVWF, popGet(AOP(result),offset++));
+ }
}
- /* we are done hurray !!!! */
-
release:
freeAsmop(right,NULL,ic,TRUE);
freeAsmop(result,NULL,ic,TRUE);
/*-----------------------------------------------------------------*/
static void genReceive (iCode *ic)
{
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
- if (isOperandInFarSpace(IC_RESULT(ic)) &&
- ( OP_SYMBOL(IC_RESULT(ic))->isspilt ||
- IS_TRUE_SYMOP(IC_RESULT(ic))) ) {
+ if (isOperandInFarSpace(IC_RESULT(ic)) &&
+ ( OP_SYMBOL(IC_RESULT(ic))->isspilt ||
+ IS_TRUE_SYMOP(IC_RESULT(ic))) ) {
- int size = getSize(operandType(IC_RESULT(ic)));
- int offset = fReturnSizePic - size;
- while (size--) {
- pic14_emitcode ("push","%s", (strcmp(fReturn[fReturnSizePic - offset - 1],"a") ?
+ int size = getSize(operandType(IC_RESULT(ic)));
+ int offset = fReturnSizePic - size;
+ while (size--) {
+ pic14_emitcode ("push","%s", (strcmp(fReturn[fReturnSizePic - offset - 1],"a") ?
fReturn[fReturnSizePic - offset - 1] : "acc"));
- offset++;
- }
- aopOp(IC_RESULT(ic),ic,FALSE);
- size = AOP_SIZE(IC_RESULT(ic));
- offset = 0;
- while (size--) {
- pic14_emitcode ("pop","acc");
- aopPut (AOP(IC_RESULT(ic)),"a",offset++);
- }
-
- } else {
- _G.accInUse++;
- aopOp(IC_RESULT(ic),ic,FALSE);
- _G.accInUse--;
- assignResultValue(IC_RESULT(ic));
+ offset++;
}
+ aopOp(IC_RESULT(ic),ic,FALSE);
+ size = AOP_SIZE(IC_RESULT(ic));
+ offset = 0;
+ while (size--) {
+ pic14_emitcode ("pop","acc");
+ aopPut (AOP(IC_RESULT(ic)),"a",offset++);
+ }
+
+ } else {
+ _G.accInUse++;
+ aopOp(IC_RESULT(ic),ic,FALSE);
+ _G.accInUse--;
+ assignResultValue(IC_RESULT(ic));
+ }
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
}
/*-----------------------------------------------------------------*/
addpBlock(pb);
/* if debug information required */
-/* if (options.debug && currFunc) { */
- if (currFunc) {
+ if (options.debug && currFunc) {
+ if (currFunc) {
cdbSymbol(currFunc,cdbFile,FALSE,TRUE);
_G.debugLine = 1;
if (IS_STATIC(currFunc->etype)) {
- pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__);
- //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name));
+ pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__);
+ //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name));
} else {
- pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__);
- //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name));
+ pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__);
+ //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name));
}
_G.debugLine = 0;
+ }
}
_G.debugLine = 0;
}
pic14_emitcode("#CSRC","%s %d",FileBaseName(ic->filename),ic->lineno);
+ pic14_emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
+ printCLine(ic->filename, ic->lineno));
+
cln = ic->lineno ;
}
/* if the result is marked as
/* now we are ready to call the
peep hole optimizer */
if (!options.nopeep) {
- printf("peep hole optimizing\n");
- peepHole (&lineHead);
+ peepHole (&lineHead);
}
/* now do the actual printing */
printLine (lineHead,codeOutFile);
- printf("printing pBlock\n\n");
+#ifdef PCODE_DEBUG
+ DFPRINTF((stderr,"printing pBlock\n\n"));
printpBlock(stdout,pb);
+#endif
return;
}
projects / fw / sdcc / blobdiff