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Fix unsigned division constant folding

This commit is contained in:
drmortalwombat 2024-09-16 18:05:03 +02:00
parent 68b57bb9a8
commit 8d18969940
1 changed files with 19 additions and 5 deletions
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24
oscar64/InterCode.cpp
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@ -1030,7 +1030,14 @@ static int64 ConstantFolding(InterOperator oper, InterType type, int64 val1, int
case IA_DIVU:
if (val2)
return (uint64)val1 / (uint64)val2;
{
if (type == IT_INT32)
return (uint32)val1 / (uint32)val2;
else if (type == IT_INT16)
return (uint16)val1 / (uint16)val2;
else
return (uint8)val1 / (uint8)val2;
}
else
return 0;
break;
@ -1042,7 +1049,14 @@ static int64 ConstantFolding(InterOperator oper, InterType type, int64 val1, int
break;
case IA_MODU:
if (val2)
return (uint64)val1 % (uint64)val2;
{
if (type == IT_INT32)
return (uint32)val1 % (uint32)val2;
else if (type == IT_INT16)
return (uint16)val1 % (uint16)val2;
else
return (uint8)val1 % (uint8)val2;
}
else
return 0;
break;
@ -7732,7 +7746,7 @@ void InterCodeBasicBlock::UpdateLocalIntegerRangeSetsForward(const GrowingVariab
vr = ins->mDst.mRange;
if (ins->mSrc[0].mTemp < 0 && ins->mSrc[0].mMemory == IM_FPARAM)
vr.Limit(mLocalParamValueRange[ins->mSrc[0].mVarIndex + ins->mSrc[0].mIntConst]);
vr.Limit(mLocalParamValueRange[ins->mSrc[0].mVarIndex + int(ins->mSrc[0].mIntConst)]);
#if 1
if (ins->mDst.mType == IT_INT8)
{
@ -8409,7 +8423,7 @@ void InterCodeBasicBlock::UpdateLocalIntegerRangeSetsForward(const GrowingVariab
else if (ins->mCode == IC_STORE)
{
if (ins->mSrc[1].mTemp < 0 && ins->mSrc[1].mMemory == IM_FPARAM)
mLocalParamValueRange[ins->mSrc[1].mVarIndex + ins->mSrc[0].mIntConst] = ins->mSrc[0].mRange;
mLocalParamValueRange[ins->mSrc[1].mVarIndex + int(ins->mSrc[0].mIntConst)] = ins->mSrc[0].mRange;
}
assert(mProc->mLocalValueRange.Size() == mExitRequiredTemps.Size());
@ -21992,7 +22006,7 @@ void InterCodeProcedure::Close(void)
{
GrowingTypeArray tstack(IT_NONE);
CheckFunc = !strcmp(mIdent->mString, "f");
CheckFunc = !strcmp(mIdent->mString, "main");
CheckCase = false;
mEntryBlock = mBlocks[0];