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Fix SAR/MUL optimization

This commit is contained in:
drmortalwombat 2023-10-24 21:20:07 +02:00
parent 982fe17aed
commit f6536a412e
1 changed files with 3 additions and 3 deletions
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6
oscar64/InterCode.cpp
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@ -15218,7 +15218,7 @@ bool InterCodeBasicBlock::PeepholeReplaceOptimization(const GrowingVariableArray
mInstructions[i + 0]->mCode == IC_BINARY_OPERATOR && mInstructions[i + 0]->mOperator == IA_SAR && mInstructions[i + 0]->mSrc[0].mTemp < 0 &&
mInstructions[i + 1]->mCode == IC_BINARY_OPERATOR && mInstructions[i + 1]->mOperator == IA_MUL && mInstructions[i + 1]->mSrc[0].mTemp < 0 &&
mInstructions[i + 1]->mSrc[1].mTemp == mInstructions[i + 0]->mDst.mTemp && mInstructions[i + 1]->mSrc[1].mFinal &&
(mInstructions[i + 1]->mSrc[0].mIntConst & (1LL << mInstructions[i + 0]->mSrc[0].mIntConst)) == 0)
(mInstructions[i + 1]->mSrc[0].mIntConst & ((1LL << mInstructions[i + 0]->mSrc[0].mIntConst) - 1)) == 0)
{
int64 shift = mInstructions[i + 0]->mSrc[0].mIntConst;
mInstructions[i + 1]->mSrc[0].mIntConst >>= shift;
@ -15230,7 +15230,7 @@ bool InterCodeBasicBlock::PeepholeReplaceOptimization(const GrowingVariableArray
mInstructions[i + 0]->mCode == IC_BINARY_OPERATOR && mInstructions[i + 0]->mOperator == IA_SAR && mInstructions[i + 0]->mSrc[0].mTemp < 0 &&
mInstructions[i + 1]->mCode == IC_BINARY_OPERATOR && mInstructions[i + 1]->mOperator == IA_MUL && mInstructions[i + 1]->mSrc[1].mTemp < 0 &&
mInstructions[i + 1]->mSrc[0].mTemp == mInstructions[i + 0]->mDst.mTemp && mInstructions[i + 1]->mSrc[0].mFinal &&
(mInstructions[i + 1]->mSrc[1].mIntConst & (1LL << mInstructions[i + 0]->mSrc[0].mIntConst)) == 0)
(mInstructions[i + 1]->mSrc[1].mIntConst & ((1LL << mInstructions[i + 0]->mSrc[0].mIntConst) - 1)) == 0)
{
int64 shift = mInstructions[i + 0]->mSrc[0].mIntConst;
mInstructions[i + 1]->mSrc[1].mIntConst >>= shift;
@ -18249,7 +18249,7 @@ void InterCodeProcedure::Close(void)
{
GrowingTypeArray tstack(IT_NONE);
CheckFunc = !strcmp(mIdent->mString, "dungeon_rand_path");
CheckFunc = !strcmp(mIdent->mString, "Camera::GetTileAtPixelPos");
CheckCase = false;
mEntryBlock = mBlocks[0];