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Fix range correction for post dec loop counters

This commit is contained in:
drmortalwombat 2024-09-21 15:17:15 +02:00
parent 925ee9d8f3
commit 44a9aaf89b
1 changed files with 8 additions and 5 deletions
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13
oscar64/InterCode.cpp
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@ -17748,15 +17748,18 @@ bool InterCodeBasicBlock::PostDecLoopOptimization(void)
int64 v = ins->mSrc[inco].mIntConst; int64 v = ins->mSrc[inco].mIntConst;
if (ins->mDst.mRange.mMaxState == IntegerValueRange::S_BOUND) ins->mDst.mRange.AddConstValue(ins->mDst.mType, -v);
ins->mDst.mRange.mMaxValue -= v; ins->mSrc[1 - inco].mRange.AddConstValue(ins->mDst.mType, -v);
if (ins->mSrc[1 - inco].mRange.mMinState == IntegerValueRange::S_BOUND) mEntryValueRange[ltemp].AddConstValue(ins->mDst.mType, -v);
ins->mSrc[1 - inco].mRange.mMinValue -= v;
mInstructions.Remove(inci); mInstructions.Remove(inci);
mInstructions.Insert(movi, ins); mInstructions.Insert(movi, ins);
InterInstruction* pins = ins->Clone(); InterInstruction* pins = ins->Clone();
pins->mSrc[inco].mIntConst = -v; pins->mSrc[inco].mIntConst = -v;
pins->mDst.mRange.AddConstValue(ins->mDst.mType, -v);
ins->mSrc[1 - inco].mRange.AddConstValue(ins->mDst.mType, -v);
pblock->mInstructions.Insert(pblock->mInstructions.Size() - 1, pins); pblock->mInstructions.Insert(pblock->mInstructions.Size() - 1, pins);
changed = true; changed = true;
} }
@ -22241,7 +22244,7 @@ void InterCodeProcedure::Close(void)
{ {
GrowingTypeArray tstack(IT_NONE); GrowingTypeArray tstack(IT_NONE);
CheckFunc = !strcmp(mIdent->mString, "main"); CheckFunc = !strcmp(mIdent->mString, "foo");
CheckCase = false; CheckCase = false;
mEntryBlock = mBlocks[0]; mEntryBlock = mBlocks[0];