diff options
Diffstat (limited to '')
| -rw-r--r-- | src/common/x64/cpu_detect.cpp | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/src/common/x64/cpu_detect.cpp b/src/common/x64/cpu_detect.cpp index fbeacc7e2..fee00914a 100644 --- a/src/common/x64/cpu_detect.cpp +++ b/src/common/x64/cpu_detect.cpp @@ -1,8 +1,8 @@ -// Copyright 2013 Dolphin Emulator Project / 2015 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. +// Copyright 2013 Dolphin Emulator Project / 2015 Citra Emulator Project / 2022 Yuzu Emulator +// Project Licensed under GPLv2 or any later version Refer to the license.txt file included. #include <cstring> +#include "common/bit_util.h" #include "common/common_types.h" #include "common/x64/cpu_detect.h" @@ -81,29 +81,22 @@ static CPUCaps Detect() { // Detect family and other miscellaneous features if (max_std_fn >= 1) { __cpuid(cpu_id, 0x00000001); - if ((cpu_id[3] >> 25) & 1) - caps.sse = true; - if ((cpu_id[3] >> 26) & 1) - caps.sse2 = true; - if ((cpu_id[2]) & 1) - caps.sse3 = true; - if ((cpu_id[2] >> 9) & 1) - caps.ssse3 = true; - if ((cpu_id[2] >> 19) & 1) - caps.sse4_1 = true; - if ((cpu_id[2] >> 20) & 1) - caps.sse4_2 = true; - if ((cpu_id[2] >> 25) & 1) - caps.aes = true; + 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.ssse3 = Common::Bit<9>(cpu_id[2]); + caps.sse4_1 = Common::Bit<19>(cpu_id[2]); + caps.sse4_2 = Common::Bit<20>(cpu_id[2]); + caps.aes = Common::Bit<25>(cpu_id[2]); // AVX support requires 3 separate checks: // - Is the AVX bit set in CPUID? // - Is the XSAVE bit set in CPUID? // - XGETBV result has the XCR bit set. - if (((cpu_id[2] >> 28) & 1) && ((cpu_id[2] >> 27) & 1)) { + if (Common::Bit<28>(cpu_id[2]) && Common::Bit<27>(cpu_id[2])) { if ((_xgetbv(_XCR_XFEATURE_ENABLED_MASK) & 0x6) == 0x6) { caps.avx = true; - if ((cpu_id[2] >> 12) & 1) + if (Common::Bit<12>(cpu_id[2])) caps.fma = true; } } @@ -111,15 +104,13 @@ static CPUCaps Detect() { if (max_std_fn >= 7) { __cpuidex(cpu_id, 0x00000007, 0x00000000); // Can't enable AVX2 unless the XSAVE/XGETBV checks above passed - if ((cpu_id[1] >> 5) & 1) - caps.avx2 = caps.avx; - if ((cpu_id[1] >> 3) & 1) - caps.bmi1 = true; - if ((cpu_id[1] >> 8) & 1) - caps.bmi2 = true; + caps.avx2 = caps.avx && Common::Bit<5>(cpu_id[1]); + caps.bmi1 = Common::Bit<3>(cpu_id[1]); + caps.bmi2 = Common::Bit<8>(cpu_id[1]); // Checks for AVX512F, AVX512CD, AVX512VL, AVX512DQ, AVX512BW (Intel Skylake-X/SP) - if ((cpu_id[1] >> 16) & 1 && (cpu_id[1] >> 28) & 1 && (cpu_id[1] >> 31) & 1 && - (cpu_id[1] >> 17) & 1 && (cpu_id[1] >> 30) & 1) { + if (Common::Bit<16>(cpu_id[1]) && Common::Bit<28>(cpu_id[1]) && + Common::Bit<31>(cpu_id[1]) && Common::Bit<17>(cpu_id[1]) && + Common::Bit<30>(cpu_id[1])) { caps.avx512 = caps.avx2; } } @@ -138,15 +129,12 @@ static CPUCaps Detect() { if (max_ex_fn >= 0x80000001) { // Check for more features __cpuid(cpu_id, 0x80000001); - if ((cpu_id[2] >> 16) & 1) - caps.fma4 = true; + caps.fma4 = Common::Bit<16>(cpu_id[2]); } if (max_ex_fn >= 0x80000007) { __cpuid(cpu_id, 0x80000007); - if (cpu_id[3] & (1 << 8)) { - caps.invariant_tsc = true; - } + caps.invariant_tsc = Common::Bit<8>(cpu_id[3]); } if (max_std_fn >= 0x16) { |