diff options
| author | Ryan Houdek <Sonicadvance1@gmail.com> | 2014-11-30 15:47:34 -0600 |
|---|---|---|
| committer | Ryan Houdek <Sonicadvance1@gmail.com> | 2014-11-30 15:47:34 -0600 |
| commit | 414e36d8c9e05fa9843c7c8023c70c413885c1fc (patch) | |
| tree | 3cf01b8fbba12b441ec0e1e7f60785e067528e4e /Source/Core/Common/x64CPUDetect.cpp | |
| parent | db9cd8e3d71a3ad83b01b7d2c08bfe2a43518331 (diff) | |
| parent | 72c96c20d31327f0885bbbc7bf3fc104cd1b6e99 (diff) | |
Merge pull request #1258 from FioraAeterna/avoidfmulround
JIT: optimize single-precision ops based on knowledge of their inputs
Diffstat (limited to 'Source/Core/Common/x64CPUDetect.cpp')
| -rw-r--r-- | Source/Core/Common/x64CPUDetect.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Source/Core/Common/x64CPUDetect.cpp b/Source/Core/Common/x64CPUDetect.cpp index 31409685e8..8ad8046c8b 100644 --- a/Source/Core/Common/x64CPUDetect.cpp +++ b/Source/Core/Common/x64CPUDetect.cpp @@ -129,6 +129,12 @@ void CPUInfo::Detect() if (max_std_fn >= 1) { __cpuid(cpu_id, 0x00000001); + int family = ((cpu_id[0] >> 8) & 0xf) + ((cpu_id[0] >> 20) & 0xff); + int model = ((cpu_id[0] >> 4) & 0xf) + ((cpu_id[0] >> 12) & 0xf0); + // Detect people unfortunate enough to be running Dolphin on an Atom + if (family == 6 && (model == 0x1C || model == 0x26 ||model == 0x27 || model == 0x35 || model == 0x36 || + model == 0x37 || model == 0x4A || model == 0x4D || model == 0x5A || model == 0x5D)) + bAtom = true; logical_cpu_count = (cpu_id[1] >> 16) & 0xFF; ht = (cpu_id[3] >> 28) & 1; |