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PPU/x64: Fix gv_cvtu32_tofs

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This commit is contained in:
Elad
2025-11-14 14:27:06 +02:00
parent e48ba283d8
commit 92e24a5779
2 changed files with 23 additions and 3 deletions
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rpcs3/Emu/Cell/PPUTranslator.cpp
+18 -1
View File
@@ -1115,7 +1115,24 @@ void PPUTranslator::VCFSX(ppu_opcode_t op)
void PPUTranslator::VCFUX(ppu_opcode_t op)
{
const auto b = get_vr<u32[4]>(op.vb);
set_vr(op.vd, fpcast<f32[4]>(b) * fsplat<f32[4]>(std::pow(2, -static_cast<int>(op.vuimm))));
#ifdef ARCH_ARM64
return set_vr(op.vd, fpcast<f32[4]>(b) * fsplat<f32[4]>(std::pow(2, -static_cast<int>(op.vuimm))));
#else
if (m_use_avx512)
{
return set_vr(op.vd, fpcast<f32[4]>(b) * fsplat<f32[4]>(std::pow(2, -static_cast<int>(op.vuimm))));
}
constexpr int bit_shift = 9;
const auto shifted = (b >> bit_shift);
const auto cleared = shifted << bit_shift;
const auto low_bits = b - cleared;
const auto high_part = fpcast<f32[4]>(noncast<s32[4]>(shifted)) * fsplat<f32[4]>(static_cast<f32>(1u << bit_shift));
const auto low_part = fpcast<f32[4]>(noncast<s32[4]>(low_bits));
const auto temp = high_part + low_part;
set_vr(op.vd, temp * fsplat<f32[4]>(std::pow(2, -static_cast<int>(op.vuimm))));
#endif
}
void PPUTranslator::VCMPBFP(ppu_opcode_t op)
rpcs3/util/simd.hpp
+5 -2
View File
@@ -2213,8 +2213,11 @@ inline v128 gv_cvtu32_tofs(const v128& src)
#if defined(__AVX512VL__)
return _mm_cvtepu32_ps(src);
#elif defined(ARCH_X64)
const auto fix = _mm_and_ps(_mm_castsi128_ps(_mm_srai_epi32(src, 31)), _mm_set1_ps(0x80000000));
return _mm_add_ps(_mm_cvtepi32_ps(_mm_and_si128(src, _mm_set1_epi32(0x7fffffff))), fix);
constexpr u64 bit_shift = 9;
const auto shifted = _mm_srli_epi32(src, bit_shift);
const auto cleared = _mm_slli_epi32(shifted, bit_shift);
const auto low_bits = _mm_sub_epi32(src, cleared);
return _mm_add_ps(_mm_cvtepi32_ps(low_bits), _mm_mul_ps(_mm_cvtepi32_ps(shifted), _mm_set_ps1(1u << bit_shift)));
#elif defined(ARCH_ARM64)
return vcvtq_f32_u32(src);
#endif