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PPU LLVM: Optimize traps a bit

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Eladash 2023-09-04 19:33:55 +03:00 • committed by Elad Ashkenazi
parent a02c168a0d
commit 85773ad869
1 changed files with 26 additions and 7 deletions
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33
rpcs3/Emu/Cell/PPUTranslator.cpp
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@ -5045,13 +5045,32 @@ void PPUTranslator::SetOverflow(Value* bit)
Value* PPUTranslator::CheckTrapCondition(u32 to, Value* left, Value* right) Value* PPUTranslator::CheckTrapCondition(u32 to, Value* left, Value* right)
{ {
Value* trap_condition = m_ir->getFalse(); if ((to & 0x3) == 0x3 || (to & 0x18) == 0x18)
if (to & 0x10) trap_condition = m_ir->CreateOr(trap_condition, m_ir->CreateICmpSLT(left, right)); {
if (to & 0x8) trap_condition = m_ir->CreateOr(trap_condition, m_ir->CreateICmpSGT(left, right)); // Not-equal check or always-true
if (to & 0x4) trap_condition = m_ir->CreateOr(trap_condition, m_ir->CreateICmpEQ(left, right)); return to & 0x4 ? m_ir->getTrue() : m_ir->CreateICmpNE(left, right);
if (to & 0x2) trap_condition = m_ir->CreateOr(trap_condition, m_ir->CreateICmpULT(left, right)); }
if (to & 0x1) trap_condition = m_ir->CreateOr(trap_condition, m_ir->CreateICmpUGT(left, right));
return trap_condition; Value* trap_condition = nullptr;
auto add_condition = [&](Value* cond)
{
if (!trap_condition)
{
trap_condition = cond;
return;
}
trap_condition = m_ir->CreateOr(trap_condition, cond);
};
if (to & 0x10) add_condition(m_ir->CreateICmpSLT(left, right));
if (to & 0x8) add_condition(m_ir->CreateICmpSGT(left, right));
if (to & 0x4) add_condition(m_ir->CreateICmpEQ(left, right));
if (to & 0x2) add_condition(m_ir->CreateICmpULT(left, right));
if (to & 0x1) add_condition(m_ir->CreateICmpUGT(left, right));
return trap_condition ? trap_condition : m_ir->getFalse();
} }
void PPUTranslator::Trap() void PPUTranslator::Trap()