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Code Issues Releases Wiki Activity

Disabled the use of BMI instructions since older processors do not support it

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This commit is contained in:
S Gopal Rajagopal 2014-09-18 17:34:49 +05:30
parent e687a91243
commit f210180aa6
1 changed files with 16 additions and 1 deletions
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17
rpcs3/Emu/Cell/PPULLVMRecompiler.cpp
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@ -147,8 +147,9 @@ void PPULLVMRecompiler::Task() {
std::chrono::high_resolution_clock::time_point start = std::chrono::high_resolution_clock::now();
while (!TestDestroy() && !Emu.IsStopped()) {
WaitForAnySignal();
WaitForAnySignal(500);
u32 num_blocks_compiled = 0;
while (!TestDestroy() && !Emu.IsStopped()) {
u32 address;
@ -165,6 +166,12 @@ void PPULLVMRecompiler::Task() {
}
Compile(address);
num_blocks_compiled++;
}
if (num_blocks_compiled == 0) {
// If we get here, it means the recompilation thread is idling.
}
}
@ -3204,17 +3211,21 @@ Value * PPULLVMRecompiler::GetInterpreter() {
Value * PPULLVMRecompiler::GetBit(Value * val, u32 n) {
Value * bit;
#ifdef PPU_LLVM_RECOMPILER_USE_BMI
if (val->getType()->isIntegerTy(32)) {
bit = m_ir_builder->CreateCall2(Intrinsic::getDeclaration(m_module, Intrinsic::x86_bmi_pext_32), val, m_ir_builder->getInt32(1 << (31- n)));
} else if (val->getType()->isIntegerTy(64)) {
bit = m_ir_builder->CreateCall2(Intrinsic::getDeclaration(m_module, Intrinsic::x86_bmi_pext_64), val, m_ir_builder->getInt64((u64)1 << (63 - n)));
} else {
#endif
if (val->getType()->getIntegerBitWidth() != (n + 1)) {
bit = m_ir_builder->CreateLShr(val, val->getType()->getIntegerBitWidth() - n - 1);
}
bit = m_ir_builder->CreateAnd(val, 1);
#ifdef PPU_LLVM_RECOMPILER_USE_BMI
}
#endif
return bit;
}
@ -3244,17 +3255,21 @@ Value * PPULLVMRecompiler::SetBit(Value * val, u32 n, Value * bit, bool doClear)
Value * PPULLVMRecompiler::GetNibble(Value * val, u32 n) {
Value * nibble;
#ifdef PPU_LLVM_RECOMPILER_USE_BMI
if (val->getType()->isIntegerTy(32)) {
nibble = m_ir_builder->CreateCall2(Intrinsic::getDeclaration(m_module, Intrinsic::x86_bmi_pext_32), val, m_ir_builder->getInt32((u64)0xF << ((7 - n) * 4)));
} else if (val->getType()->isIntegerTy(64)) {
nibble = m_ir_builder->CreateCall2(Intrinsic::getDeclaration(m_module, Intrinsic::x86_bmi_pext_64), val, m_ir_builder->getInt64((u64)0xF << ((15 - n) * 4)));
} else {
#endif
if ((val->getType()->getIntegerBitWidth() >> 2) != (n + 1)) {
nibble = m_ir_builder->CreateLShr(val, (((val->getType()->getIntegerBitWidth() >> 2) - 1) - n) * 4);
}
nibble = m_ir_builder->CreateAnd(val, 0xF);
#ifdef PPU_LLVM_RECOMPILER_USE_BMI
}
#endif
return nibble;
}