diff options
Diffstat (limited to 'src/corelib/tools/qsimd.cpp')
| -rw-r--r-- | src/corelib/tools/qsimd.cpp | 42 |
1 files changed, 5 insertions, 37 deletions
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp index a74a140582..0d816bd736 100644 --- a/src/corelib/tools/qsimd.cpp +++ b/src/corelib/tools/qsimd.cpp @@ -88,14 +88,6 @@ static inline uint detectProcessorFeatures() } #elif defined(_X86_) features = 0; -#if defined QT_HAVE_MMX - if (IsProcessorFeaturePresent(PF_MMX_INSTRUCTIONS_AVAILABLE)) - features |= MMX; -#endif -#if defined QT_HAVE_3DNOW - if (IsProcessorFeaturePresent(PF_3DNOW_INSTRUCTIONS_AVAILABLE)) - features |= MMX3DNOW; -#endif return features; #endif features = 0; @@ -255,18 +247,6 @@ static inline uint detectProcessorFeatures() // result now contains the standard feature bits - if (result & (1u << 15)) - features |= CMOV; - if (result & (1u << 23)) - features |= MMX; - if (extended_result & (1u << 22)) - features |= MMXEXT; - if (extended_result & (1u << 31)) - features |= MMX3DNOW; - if (extended_result & (1u << 30)) - features |= MMX3DNOWEXT; - if (result & (1u << 25)) - features |= SSE; if (result & (1u << 26)) features |= SSE2; if (feature_result & (1u)) @@ -286,7 +266,7 @@ static inline uint detectProcessorFeatures() #elif defined(__x86_64) || defined(Q_OS_WIN64) static inline uint detectProcessorFeatures() { - uint features = MMX|SSE|SSE2|CMOV; + uint features = SSE2; uint feature_result = 0; #if defined (Q_OS_WIN64) @@ -330,15 +310,9 @@ static inline uint detectProcessorFeatures() /* * Use kdesdk/scripts/generate_string_table.pl to update the table below. * Here's the data (don't forget the ONE leading space): - mmx - mmxext - mmx3dnow - mmx3dnowext - sse - sse2 - cmov iwmmxt neon + sse2 sse3 ssse3 sse4.1 @@ -348,15 +322,9 @@ static inline uint detectProcessorFeatures() // begin generated static const char features_string[] = - " mmx\0" - " mmxext\0" - " mmx3dnow\0" - " mmx3dnowext\0" - " sse\0" - " sse2\0" - " cmov\0" " iwmmxt\0" " neon\0" + " sse2\0" " sse3\0" " ssse3\0" " sse4.1\0" @@ -365,8 +333,8 @@ static const char features_string[] = "\0"; static const int features_indices[] = { - 0, 5, 13, 23, 36, 41, 47, 53, - 61, 67, 73, 80, 88, 96, -1 + 0, 8, 14, 20, 26, 33, 41, 49, + -1 }; // end generated |