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Fix over eager lda/sta movement

This commit is contained in:
drmortalwombat 2023-12-10 09:48:23 +01:00
parent 1e0450cd8a
commit 16810b63d4
1 changed files with 9 additions and 1 deletions
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10
oscar64/NativeCodeGenerator.cpp
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@ -15835,6 +15835,8 @@ bool NativeCodeBasicBlock::MoveImmediateStoreUp(int at)
return false;
else if (usey && mIns[i].ChangesYReg())
return false;
else if (mIns[at + 1].mMode == ASMIM_INDIRECT_Y && (mIns[i].ChangesZeroPage(mIns[at + 1].mAddress) || mIns[i].ChangesZeroPage(mIns[at + 1].mAddress + 1)))
return false;
}
return false;
}
@ -15897,6 +15899,8 @@ bool NativeCodeBasicBlock::MoveImmediateStoreDown(int at)
return false;
else if (usey && mIns[i].ChangesYReg())
return false;
else if (mIns[at + 1].mMode == ASMIM_INDIRECT_Y && (mIns[i].ChangesZeroPage(mIns[at + 1].mAddress) || mIns[i].ChangesZeroPage(mIns[at + 1].mAddress + 1)))
return false;
i++;
}
@ -15983,6 +15987,10 @@ bool NativeCodeBasicBlock::MoveLoadStoreDown(int at)
return false;
else if (usey && mIns[i].ChangesYReg())
return false;
else if (mIns[at].mMode == ASMIM_INDIRECT_Y && (mIns[i].ChangesZeroPage(mIns[at].mAddress) || mIns[i].ChangesZeroPage(mIns[at].mAddress + 1)))
return false;
else if (mIns[at + 1].mMode == ASMIM_INDIRECT_Y && (mIns[i].ChangesZeroPage(mIns[at + 1].mAddress) || mIns[i].ChangesZeroPage(mIns[at + 1].mAddress + 1)))
return false;
i++;
}
@ -44463,7 +44471,7 @@ void NativeCodeProcedure::Compile(InterCodeProcedure* proc)
{
mInterProc = proc;
CheckFunc = !strcmp(mInterProc->mIdent->mString, "main");
CheckFunc = !strcmp(mInterProc->mIdent->mString, "PlayingState::InitMaps");
int nblocks = proc->mBlocks.Size();
tblocks = new NativeCodeBasicBlock * [nblocks];