#include "gen.h"
+extern void genUMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *);
+extern void genSMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *);
+void genMult8X8_8 (operand *, operand *,operand *);
+
static int labelOffset=0;
static int debug_verbose=1;
static int optimized_for_speed = 0;
static int max_key=0;
static int GpsuedoStkPtr=0;
+pCodeOp *popGetImmd(char *name, unsigned int offset);
unsigned int pic14aopLiteral (value *val, int offset);
const char *AopType(short type);
static iCode *ifxForOp ( operand *op, iCode *ic );
}
+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(NULL,key+100+labelOffset));
}
static asmop *aopForRemat (symbol *sym)
{
iCode *ic = sym->rematiCode;
- asmop *aop = newAsmop(AOP_IMMD);
+ //X asmop *aop = newAsmop(AOP_IMMD);
+ asmop *aop = newAsmop(AOP_PCODE);
int val = 0;
+ int offset = 0;
+
DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__);
+
for (;;) {
- if (ic->op == '+')
- val += (int) operandLitValue(IC_RIGHT(ic));
- else if (ic->op == '-')
- val -= (int) operandLitValue(IC_RIGHT(ic));
- else
+ 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)
+/* X
+ 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);
+ fprintf(stderr,"hmmm %s\n",buffer);
+ } else
+ strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname);
+*/
+ //ic = sym->rematiCode;
+ offset = OP_SYMBOL(IC_LEFT(ic))->offset;
+ aop->aopu.pcop = popGetImmd(OP_SYMBOL(IC_LEFT(ic))->rname,val);
+ DEBUGpic14_emitcode(";"," rname %s, val %d ",OP_SYMBOL(IC_LEFT(ic))->rname,val);
+ //X aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1);
+ //X strcpy(aop->aopu.aop_immd,buffer);
- //DEBUGpic14_emitcode(";","%s",buffer);
- aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1);
- strcpy(aop->aopu.aop_immd,buffer);
- //aop->aopu.aop_alloc_reg = allocDirReg (IC_LEFT(ic));
allocDirReg (IC_LEFT(ic));
+
return aop;
}
sym->aop = op->aop = aop =
aopForRemat (sym);
aop->size = getSize(sym->type);
+ //DEBUGpic14_emitcode(";"," %d: size %d, %s\n",__LINE__,aop->size,aop->aopu.aop_immd);
return;
}
/* force a new aop if sizes differ */
sym->usl.spillLoc->aop = NULL;
}
- DEBUGpic14_emitcode(";","%s %d %s",__FUNCTION__,__LINE__,sym->usl.spillLoc->rname);
- sym->aop = op->aop = aop =
- aopForSym(ic,sym->usl.spillLoc,result);
+ 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,sym->usl.spillLoc->offset);
+ //allocDirReg (IC_LEFT(ic));
aop->size = getSize(sym->type);
+
return;
}
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 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 */
/*-----------------------------------------------------------------*/
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;
/*-----------------------------------------------------------------*/
pCodeOp *popGet (asmop *aop, int offset) //, bool bit16, bool dname)
{
- char *s = buffer ;
+ //char *s = buffer ;
//char *rs;
pCodeOp *pcop;
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\n",__LINE__,aop->aopu.aop_dir);
- else
- PCOR(pcop)->instance = offset;
+ 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;
return pcop;
*/
+
+ case AOP_PCODE:
+ DEBUGpic14_emitcode(";","popGet AOP_PCODE%d",__LINE__);
+ return pCodeOpCopy(aop->aopu.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)) {
#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__);
-#if 0
int i =0;
DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
STRCASECMP(s,options.excludeRegs[i]) == 0)
return TRUE;
}
-#endif
return FALSE ;
}
+#endif
/*-----------------------------------------------------------------*/
/* genFunction - generated code for function entry */
operand *right,
operand *result)
{
- sym_link *opetype = operandType(result);
- char *l ;
- symbol *lbl ;
- int size,offset;
+ sym_link *opetype = operandType(result);
- DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__);
+ // 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");
- /* (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++);
+ }
}
/*-----------------------------------------------------------------*/
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));
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 ;
}
static void genConstPointerGet (operand *left,
operand *result, iCode *ic)
{
- sym_link *retype = getSpec(operandType(result));
+ //sym_link *retype = getSpec(operandType(result));
symbol *albl = newiTempLabel(NULL);
symbol *blbl = newiTempLabel(NULL);
PIC_OPCODE poc;
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, popGet(AOP(result),offset));
+ 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;
_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
projects / fw / sdcc / blobdiff