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common/cpu_detect: Remove SSE/SSE2/FMA4/AVX_VNNI detection

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This commit is contained in:
RedBlackAka 2026-05-18 18:04:33 +02:00
parent feb8c5f88e
commit 00bb0e1d7a
3 changed files with 1 additions and 11 deletions
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6
src/common/x64/cpu_detect.cpp
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@ -106,8 +106,6 @@ static CPUCaps Detect() {
// Detect family and other miscellaneous features
if (max_std_fn >= 1) {
__cpuid(cpu_id, 0x00000001);
caps.sse = Common::Bit<25>(cpu_id[3]);
caps.sse2 = Common::Bit<26>(cpu_id[3]);
caps.sse3 = Common::Bit<0>(cpu_id[2]);
caps.pclmulqdq = Common::Bit<1>(cpu_id[2]);
caps.ssse3 = Common::Bit<9>(cpu_id[2]);
@ -150,9 +148,6 @@ static CPUCaps Detect() {
caps.waitpkg = Common::Bit<5>(cpu_id[2]);
caps.gfni = Common::Bit<8>(cpu_id[2]);
__cpuidex(cpu_id, 0x00000007, 0x00000001);
caps.avx_vnni = caps.avx && Common::Bit<4>(cpu_id[0]);
}
}
@ -170,7 +165,6 @@ static CPUCaps Detect() {
// Check for more features
__cpuid(cpu_id, 0x80000001);
caps.lzcnt = Common::Bit<5>(cpu_id[2]);
caps.fma4 = Common::Bit<16>(cpu_id[2]);
caps.monitorx = Common::Bit<29>(cpu_id[2]);
}

4
src/common/x64/cpu_detect.h
View file

@ -36,15 +36,12 @@ struct CPUCaps {
u32 crystal_frequency;
u64 tsc_frequency; // Derived from the above three values
bool sse : 1;
bool sse2 : 1;
bool sse3 : 1;
bool ssse3 : 1;
bool sse4_1 : 1;
bool sse4_2 : 1;
bool avx : 1;
bool avx_vnni : 1;
bool avx2 : 1;
bool avx512f : 1;
bool avx512dq : 1;
@ -59,7 +56,6 @@ struct CPUCaps {
bool bmi2 : 1;
bool f16c : 1;
bool fma : 1;
bool fma4 : 1;
bool gfni : 1;
bool invariant_tsc : 1;
bool lzcnt : 1;

2
src/yuzu/main_window.cpp
View file

@ -3120,7 +3120,7 @@ void MainWindow::OnMenuReportCompatibility() {
// #if defined(ARCHITECTURE_x86_64) && !defined(__APPLE__)
// const auto& caps = Common::GetCPUCaps();
// const bool has_fma = caps.fma || caps.fma4;
// const bool has_fma = caps.fma;
// const auto processor_count = std::thread::hardware_concurrency();
// const bool has_4threads = processor_count == 0 || processor_count >= 4;
// const bool has_8gb_ram = Common::GetMemInfo().TotalPhysicalMemory >= 8_GiB;