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Fix infinite loop during size reduction

This commit is contained in:
drmortalwombat 2022-06-10 16:36:52 +02:00
parent a81f810a63
commit 078007c9fe
3 changed files with 10 additions and 19 deletions
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1
.gitignore vendored
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@ -344,3 +344,4 @@ make/oscar64
*.bcs
*.crt
*.crt
*.d64

28
oscar64/NativeCodeGenerator.cpp
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@ -19577,13 +19577,18 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(NativeCodeProcedure* proc, int pass
#if 1
// move load (),y store zp down to potential user
for (int i = 0; i + 1 < mIns.Size(); i++)
for (int i = 0; i + 2 < mIns.Size(); i++)
{
if (mIns[i].mType == ASMIT_LDA && mIns[i].mMode == ASMIM_INDIRECT_Y && mIns[i + 1].mType == ASMIT_STA && mIns[i + 1].mMode == ASMIM_ZERO_PAGE && !(mIns[i + 1].mLive & (LIVE_CPU_REG_A | LIVE_CPU_REG_Z)))
if (mIns[i + 0].mType == ASMIT_LDY && mIns[i + 0].mMode == ASMIM_IMMEDIATE &&
mIns[i + 1].mType == ASMIT_LDA && mIns[i + 1].mMode == ASMIM_INDIRECT_Y &&
mIns[i + 2].mType == ASMIT_STA && mIns[i + 2].mMode == ASMIM_ZERO_PAGE && !(mIns[i + 2].mLive & (LIVE_CPU_REG_A | LIVE_CPU_REG_Z)))
{
if (MoveLoadIndirectTempStoreUp(i))
changed = true;
else if (MoveIndirectLoadStoreDown(i))
}
else if (mIns[i].mType == ASMIT_LDA && mIns[i].mMode == ASMIM_INDIRECT_Y && mIns[i + 1].mType == ASMIT_STA && mIns[i + 1].mMode == ASMIM_ZERO_PAGE && !(mIns[i + 1].mLive & (LIVE_CPU_REG_A | LIVE_CPU_REG_Z)))
{
if (MoveIndirectLoadStoreDown(i))
changed = true;
}
}
@ -22969,22 +22974,7 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(NativeCodeProcedure* proc, int pass
mIns[i + 3].mType = ASMIT_ADC;
mIns[i + 2].mType = ASMIT_CLC; mIns[i + 2].mMode = ASMIM_IMPLIED; mIns[i + 2].mLive |= LIVE_CPU_REG_C;
mIns[i + 4].mType = ASMIT_NOP; mIns[i + 4].mMode = ASMIM_IMPLIED;
progress = true;
}
else if (
mIns[i + 0].mType == ASMIT_STA && mIns[i + 0].mMode == ASMIM_ZERO_PAGE &&
!mIns[i + 1].ChangesAccu() &&
mIns[i + 2].mType == ASMIT_LDA &&
mIns[i + 3].mType == ASMIT_CLC &&
mIns[i + 4].mType == ASMIT_ADC && mIns[i + 4].mMode == ASMIM_ZERO_PAGE && mIns[i + 4].mAddress == mIns[i + 0].mAddress)
{
mIns[i + 0].mLive |= LIVE_CPU_REG_A;
mIns[i + 1].mLive |= LIVE_CPU_REG_A;
mIns[i + 3] = mIns[i + 2];
mIns[i + 3].mType = ASMIT_ADC;
mIns[i + 2].mType = ASMIT_CLC; mIns[i + 2].mMode = ASMIM_IMPLIED; mIns[i + 2].mLive |= LIVE_CPU_REG_C;
mIns[i + 4].mType = ASMIT_NOP; mIns[i + 4].mMode = ASMIM_IMPLIED;
mIns[i + 2].mLive |= mIns[i + 1].mLive;
progress = true;
}
else if (

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samples/memmap/charsetload.d64
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