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SPU LLVM: Document AVX-512 XFloat lowering

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yahfz
2026-08-20 09:36:19 +03:00
committed by Elad
parent 5d2601599e
commit c4eff69711
1 changed files with 2 additions and 0 deletions
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rpcs3/Emu/Cell/SPULLVMRecompiler.cpp
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@@ -717,6 +717,7 @@ class spu_llvm_recompiler : public spu_recompiler_base, public cpu_translator
const auto x = m_ir->CreateZExt(val, get_type<u64[4]>());
// Use integer operations here so LLVM can fold the masks into VPTERNLOG
if (m_use_avx512)
{
const auto s = m_ir->CreateAnd(m_ir->CreateShl(x, 32), 0x8000000000000000);
@@ -739,6 +740,7 @@ class spu_llvm_recompiler : public spu_recompiler_base, public cpu_translator
{
ensure(val && val->getType() == get_type<f64[4]>());
// Use integer operations here so LLVM can fold the masks into VPTERNLOG
if (m_use_avx512)
{
const auto d = double_as_uint64(val);