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PPU LLVM: use masked stores for STVLX/STVRX

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Drop maskmove intrinsic, not portable.
Its implicit NT hint may also hurt performance.
This commit is contained in:
Nekotekina 2022-01-20 11:44:04 +03:00
parent 3942a464fe
commit 349f251d14
1 changed files with 8 additions and 6 deletions
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14
rpcs3/Emu/Cell/PPUTranslator.cpp
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@ -3319,9 +3319,10 @@ void PPUTranslator::STVLX(ppu_opcode_t op)
{
const auto addr = op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb);
const auto data = pshufb(get_vr<u8[16]>(op.vs), build<u8[16]>(127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112) + vsplat<u8[16]>(trunc<u8>(value<u64>(addr) & 0xf)));
const auto mask = sext<s8[16]>(bitcast<bool[16]>(splat<u16>(0xffff) << trunc<u16>(value<u64>(addr) & 0xf)));
const auto ptr = value<u8*>(GetMemory(m_ir->CreateAnd(addr, ~0xfull), GetType<u8>()));
eval(llvm_calli<void, decltype(data), decltype(mask), decltype(ptr)>{"llvm.x86.sse2.maskmov.dqu", {data, mask, ptr}});
const auto mask = bitcast<bool[16]>(splat<u16>(0xffff) << trunc<u16>(value<u64>(addr) & 0xf));
const auto ptr = value<u8(*)[16]>(GetMemory(m_ir->CreateAnd(addr, ~0xfull), GetType<u8[16]>()));
const auto align = splat<u32>(16);
eval(llvm_calli<void, decltype(data), decltype(ptr), decltype(align), decltype(mask)>{"llvm.masked.store.v16i8.p0v16i8", {data, ptr, align, mask}});
}
void PPUTranslator::STDBRX(ppu_opcode_t op)
@ -3348,9 +3349,10 @@ void PPUTranslator::STVRX(ppu_opcode_t op)
{
const auto addr = op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb);
const auto data = pshufb(get_vr<u8[16]>(op.vs), build<u8[16]>(255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240) + vsplat<u8[16]>(trunc<u8>(value<u64>(addr) & 0xf)));
const auto mask = sext<s8[16]>(bitcast<bool[16]>(trunc<u16>(splat<u64>(0xffff) << (value<u64>(addr) & 0xf) >> 16)));
const auto ptr = value<u8*>(GetMemory(m_ir->CreateAnd(addr, ~0xfull), GetType<u8>()));
eval(llvm_calli<void, decltype(data), decltype(mask), decltype(ptr)>{"llvm.x86.sse2.maskmov.dqu", {data, mask, ptr}});
const auto mask = bitcast<bool[16]>(trunc<u16>(splat<u64>(0xffff) << (value<u64>(addr) & 0xf) >> 16));
const auto ptr = value<u8(*)[16]>(GetMemory(m_ir->CreateAnd(addr, ~0xfull), GetType<u8[16]>()));
const auto align = splat<u32>(16);
eval(llvm_calli<void, decltype(data), decltype(ptr), decltype(align), decltype(mask)>{"llvm.masked.store.v16i8.p0v16i8", {data, ptr, align, mask}});
}
void PPUTranslator::STFSUX(ppu_opcode_t op)