take into consideration if right side
an induction variable
*/
-
-#if SomeOneUnderStandsThis
- /* This causes the bug:
-
- void test (unsigned u) {
- // the following cast is ignored
- for (; (int) u >= 0;)
- ++u;
- }
- }
-
- where casts are ignored */
-
if (!POINTER_SET (cdp->diCode) &&
IS_ITEMP (IC_RESULT (cdp->diCode)) &&
IS_ITEMP (IC_RIGHT (cdp->diCode)) &&
*opp = IC_RESULT (cdp->diCode);
else
*opp = IC_RIGHT (cdp->diCode);
-#endif
}
}
else
IS_ITEMP (IC_RESULT (cdp->diCode)))
*opp = IC_RESULT (cdp->diCode);
- if (*opp)
+ if ((*opp) &&
+ (SPEC_USIGN(operandType (cop))==SPEC_USIGN(operandType (*opp))) &&
+ (SPEC_LONG(operandType (cop))==SPEC_LONG(operandType (*opp))))
{
if ((isGlobalInNearSpace (cop) &&
return 1;
}
-
+ *opp=NULL;
return 0;
}
}
break;
case CAST:
- /* if this is a cast of a literal value */
- if (IS_OP_LITERAL (IC_RIGHT (ic)))
- {
- ic->op = '=';
- IC_RIGHT (ic) =
- operandFromValue (valCastLiteral (operandType (IC_LEFT (ic)),
- operandLitValue (IC_RIGHT (ic))));
- IC_LEFT (ic) = NULL;
- SET_ISADDR (IC_RESULT (ic), 0);
- }
- /* if casting to the same */
- if (checkType (operandType (IC_RESULT (ic)),
- operandType (IC_RIGHT (ic))) == 1)
- {
- ic->op = '=';
- IC_LEFT (ic) = NULL;
- SET_ISADDR (IC_RESULT (ic), 0);
- }
- break;
+ {
+ sym_link *otype = operandType(IC_RIGHT(ic));
+ sym_link *ctype = operandType(IC_LEFT(ic));
+ /* if this is a cast of a literal value */
+ if (IS_OP_LITERAL (IC_RIGHT (ic)) &&
+ !(IS_GENPTR(ctype) && (IS_PTR(otype) && !IS_GENPTR(otype)))) {
+ ic->op = '=';
+ IC_RIGHT (ic) =
+ operandFromValue (valCastLiteral (operandType (IC_LEFT (ic)),
+ operandLitValue (IC_RIGHT (ic))));
+ IC_LEFT (ic) = NULL;
+ SET_ISADDR (IC_RESULT (ic), 0);
+ }
+ /* if casting to the same */
+ if (compareType (operandType (IC_RESULT (ic)),
+ operandType (IC_RIGHT (ic))) == 1) {
+ ic->op = '=';
+ IC_LEFT (ic) = NULL;
+ SET_ISADDR (IC_RESULT (ic), 0);
+ }
+ }
+ break;
case '!':
if (IS_OP_LITERAL (IC_LEFT (ic)))
{
/* updateSpillLocation - keeps track of register spill location */
/*-----------------------------------------------------------------*/
void
-updateSpillLocation (iCode * ic)
+updateSpillLocation (iCode * ic, int induction)
{
- sym_link *setype;
-
- if (POINTER_SET (ic))
- return;
-
- if (ic->nosupdate)
- return;
-
- /* for the form true_symbol := iTempNN */
- if (ASSIGN_ITEMP_TO_SYM (ic)
- && !SPIL_LOC (IC_RIGHT (ic)))
- {
+ sym_link *setype;
- setype = getSpec (operandType (IC_RESULT (ic)));
+ if (POINTER_SET (ic))
+ return;
- if (!IC_RIGHT (ic)->noSpilLoc &&
- !IS_VOLATILE (setype) &&
- !IN_FARSPACE (SPEC_OCLS (setype)) &&
- !OTHERS_PARM (OP_SYMBOL (IC_RESULT (ic))))
+ if (ic->nosupdate)
+ return;
- SPIL_LOC (IC_RIGHT (ic)) =
- IC_RESULT (ic)->operand.symOperand;
- }
+ /* for the form true_symbol := iTempNN */
+ if (ASSIGN_ITEMP_TO_SYM (ic) &&
+ !SPIL_LOC (IC_RIGHT (ic))) {
- if (ASSIGN_ITEMP_TO_ITEMP (ic) &&
- !SPIL_LOC (IC_RIGHT (ic)) &&
- !bitVectBitsInCommon (OP_DEFS (IC_RIGHT (ic)), OP_USES (IC_RESULT (ic))) &&
- OP_SYMBOL (IC_RESULT (ic))->isreqv)
- {
+ setype = getSpec (operandType (IC_RESULT (ic)));
- setype = getSpec (operandType (IC_RESULT (ic)));
+ if (!OP_SYMBOL(IC_RIGHT (ic))->noSpilLoc &&
+ !IS_VOLATILE (setype) &&
+ !IN_FARSPACE (SPEC_OCLS (setype)) &&
+ !OTHERS_PARM (OP_SYMBOL (IC_RESULT (ic))))
- if (!IC_RIGHT (ic)->noSpilLoc &&
- !IS_VOLATILE (setype) &&
- !IN_FARSPACE (SPEC_OCLS (setype)) &&
- !OTHERS_PARM (OP_SYMBOL (IC_RESULT (ic))))
+ SPIL_LOC (IC_RIGHT (ic)) =
+ IC_RESULT (ic)->operand.symOperand;
+ }
- SPIL_LOC (IC_RIGHT (ic)) =
- SPIL_LOC (IC_RESULT (ic));
- }
+ if (ASSIGN_ITEMP_TO_ITEMP (ic)) {
+
+ if (!SPIL_LOC (IC_RIGHT (ic)) &&
+ !bitVectBitsInCommon (OP_DEFS (IC_RIGHT (ic)), OP_USES (IC_RESULT (ic))) &&
+ OP_SYMBOL (IC_RESULT (ic))->isreqv) {
+
+ setype = getSpec (operandType (IC_RESULT (ic)));
+
+ if (!OP_SYMBOL(IC_RIGHT (ic))->noSpilLoc &&
+ !IS_VOLATILE (setype) &&
+ !IN_FARSPACE (SPEC_OCLS (setype)) &&
+ !OTHERS_PARM (OP_SYMBOL (IC_RESULT (ic))))
+
+ SPIL_LOC (IC_RIGHT (ic)) =
+ SPIL_LOC (IC_RESULT (ic));
+ }
+ /* special case for inductions */
+ if (induction &&
+ OP_SYMBOL(IC_RIGHT(ic))->isreqv &&
+ !OP_SYMBOL(IC_RESULT (ic))->noSpilLoc &&
+ !SPIL_LOC(IC_RESULT(ic))) {
+ SPIL_LOC (IC_RESULT (ic)) = SPIL_LOC (IC_RIGHT (ic));
+ }
+ }
}
-
/*-----------------------------------------------------------------*/
/* setUsesDef - sets the uses def bitvector for a given operand */
/*-----------------------------------------------------------------*/
if (IS_ITEMP (IC_RESULT (ic)))
{
SPIL_LOC (IC_RESULT (ic)) = NULL;
- IC_RESULT (ic)->noSpilLoc = 1;
+ OP_SYMBOL(IC_RESULT (ic))->noSpilLoc = 1;
}
iTemp1 = iTemp0 + 8;
iTemp2 = iTemp1 + 8; */
if (isinSetWith (compItems, (void*)IC_LEFT (cdp->diCode),
- (void*)isOperandEqual) ||
+ (insetwithFunc)isOperandEqual) ||
isinSetWith (compItems, (void*)IC_RIGHT (cdp->diCode),
- (void*)isOperandEqual))
+ (insetwithFunc)isOperandEqual))
{
addSet (&compItems, IC_RESULT (cdp->diCode));
}
{
sym_link *t1 = operandType (IC_LEFT (ic)), *t2;
- if (TARGET_IS_DS390)
+ /* if (TARGET_IS_DS390) */
+ if (options.model == MODEL_FLAT24)
{
/* hack-o-matic! */
return;
/* for pointer_gets if the types of result & left r the
same then change it type of result to next */
if (IS_PTR (t1) &&
- checkType (t2 = operandType (IC_RESULT (ic)), t1) == 1)
+ compareType (t2 = operandType (IC_RESULT (ic)), t1) == 1)
{
setOperandType (IC_RESULT (ic), t2->next);
}
{
/* update the spill location for this */
- updateSpillLocation (ic);
+ updateSpillLocation (ic,0);
if (POINTER_SET (ic) &&
!(IS_BITFIELD (OP_SYMBOL (IC_RESULT (ic))->etype)))
!computeOnly)
{
applyToSet (cseSet, findPrevIc, ic, &pdic);
- if (pdic && checkType (operandType (IC_RESULT (pdic)),
+ if (pdic && compareType (operandType (IC_RESULT (pdic)),
operandType (IC_RESULT (ic))) != 1)
pdic = NULL;
}
projects / fw / sdcc / blobdiff