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Merge pull request #12075 from JosJuice/gpr-block-inputs

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PPCAnalyst: Fix gprBlockInputs calculation
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Tilka 2023-11-28 09:23:23 +00:00 committed by GitHub
commit ac4da97159
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1 changed files with 4 additions and 5 deletions
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9
Source/Core/Core/PowerPC/PPCAnalyst.cpp
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@ -958,7 +958,7 @@ u32 PPCAnalyzer::Analyze(u32 address, CodeBlock* block, CodeBuffer* buffer,
BitSet8 wantsCR = BitSet8(0xFF);
bool wantsFPRF = true;
bool wantsCA = true;
BitSet32 fprInUse, gprInUse, gprDiscardable, fprDiscardable, fprInXmm;
BitSet32 gprBlockInputs, gprInUse, fprInUse, gprDiscardable, fprDiscardable, fprInXmm;
for (int i = block->m_num_instructions - 1; i >= 0; i--)
{
CodeOp& op = code[i];
@ -991,6 +991,8 @@ u32 PPCAnalyzer::Analyze(u32 address, CodeBlock* block, CodeBuffer* buffer,
op.gprDiscardable = gprDiscardable;
op.fprDiscardable = fprDiscardable;
op.fprInXmm = fprInXmm;
gprBlockInputs &= ~op.regsOut;
gprBlockInputs |= op.regsIn;
gprInUse |= op.regsIn | op.regsOut;
fprInUse |= op.fregsIn | op.GetFregsOut();
@ -1020,15 +1022,12 @@ u32 PPCAnalyzer::Analyze(u32 address, CodeBlock* block, CodeBuffer* buffer,
}
// Forward scan, for flags that need the other direction for calculation.
BitSet32 fprIsSingle, fprIsDuplicated, fprIsStoreSafe, gprDefined, gprBlockInputs;
BitSet32 fprIsSingle, fprIsDuplicated, fprIsStoreSafe;
BitSet8 gqrUsed, gqrModified;
for (u32 i = 0; i < block->m_num_instructions; i++)
{
CodeOp& op = code[i];
gprBlockInputs |= op.regsIn & ~gprDefined;
gprDefined |= op.regsOut;
op.fprIsSingle = fprIsSingle;
op.fprIsDuplicated = fprIsDuplicated;
op.fprIsStoreSafeBeforeInst = fprIsStoreSafe;