diff options
| author | Matt Turner <[email protected]> | 2014-05-02 12:10:17 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2014-05-22 10:17:16 -0700 |
| commit | 8b9302f2b4b0536abb91cb73682ec13640fe9eaf (patch) | |
| tree | 6e872c26b8ac812217e4488db7d89a59f93108c3 /src/mesa/x86/common_x86.c | |
| parent | 1a31657a9b14c77fa6eb4517629006d2e9ac2ad4 (diff) | |
mesa/x86: Support SSE 4.1 detection on x86-64.
Uses the cpuid.h header provided by gcc and clang. Other platforms are
encouraged to switch.
Diffstat (limited to 'src/mesa/x86/common_x86.c')
| -rw-r--r-- | src/mesa/x86/common_x86.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/x86/common_x86.c b/src/mesa/x86/common_x86.c index 3c1adc916f3..a91f07e2e89 100644 --- a/src/mesa/x86/common_x86.c +++ b/src/mesa/x86/common_x86.c @@ -47,6 +47,9 @@ #include <sys/sysctl.h> #include <machine/cpu.h> #endif +#if defined(__x86_64__) && !defined(_MSC_VER) +#include <cpuid.h> +#endif #include "main/imports.h" #include "common_x86_asm.h" @@ -330,6 +333,14 @@ _mesa_get_x86_features(void) } #endif +#elif defined(__x86_64__) && !defined(_MSC_VER) + unsigned int uninitialized_var(eax), uninitialized_var(ebx), + uninitialized_var(ecx), uninitialized_var(edx); + + /* Always available on x86-64. */ + _mesa_x86_cpu_features |= X86_FEATURE_XMM | X86_FEATURE_XMM2; + + __get_cpuid(1, &eax, &ebx, &ecx, &edx); #endif /* USE_X86_ASM */ (void) detection_debug; |