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| author | Benjamin Poulain <benjamin.poulain@nokia.com> | 2010-07-19 13:59:02 (GMT) |
|---|---|---|
| committer | Benjamin Poulain <benjamin.poulain@nokia.com> | 2010-07-19 14:06:12 (GMT) |
| commit | f19a95429a5e9b760f49152ebdf9b39474750116 (patch) | |
| tree | 48a7d29b2cac898f14bda207cca212c2839c78d0 /src | |
| parent | cbbdb874e0340492b80c8abcd130d1f41a8cf2b3 (diff) | |
| download | Qt-f19a95429a5e9b760f49152ebdf9b39474750116.zip Qt-f19a95429a5e9b760f49152ebdf9b39474750116.tar.gz Qt-f19a95429a5e9b760f49152ebdf9b39474750116.tar.bz2 | |
Extend the detection of CPU feature for x86
Add detection of CPU extension for SSE3, SSSE3, SSE4.1, SSE4.2 and AVX.
Reviewed-by: Andreas Kling
Diffstat (limited to 'src')
| -rw-r--r-- | src/corelib/tools/qsimd.cpp | 11 | ||||
| -rw-r--r-- | src/corelib/tools/qsimd_p.h | 7 |
2 files changed, 17 insertions, 1 deletions
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp index 1ef513c..aa2ee47 100644 --- a/src/corelib/tools/qsimd.cpp +++ b/src/corelib/tools/qsimd.cpp @@ -218,6 +218,17 @@ uint qDetectCPUFeatures() features |= SSE; if (result & (1u << 26)) features |= SSE2; + if (extended_result & (1u)) + features |= SSE3; + if (extended_result & (1u << 9)) + features |= SSSE3; + if (extended_result & (1u << 19)) + features |= SSE4_1; + if (extended_result & (1u << 20)) + features |= SSE4_2; + if (extended_result & (1u << 28)) + features |= AVX; + #endif // i386 #if defined(QT_HAVE_MMX) diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h index 0ed9d5d..18394853 100644 --- a/src/corelib/tools/qsimd_p.h +++ b/src/corelib/tools/qsimd_p.h @@ -119,7 +119,12 @@ enum CPUFeatures { SSE2 = 0x20, CMOV = 0x40, IWMMXT = 0x80, - NEON = 0x100 + NEON = 0x100, + SSE3 = 0x200, + SSSE3 = 0x400, + SSE4_1 = 0x800, + SSE4_2 = 0x1000, + AVX = 0x2000 }; Q_CORE_EXPORT uint qDetectCPUFeatures(); |