diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-07-10 11:56:50 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2013-07-10 11:56:50 +0100 |
| commit | a18f4ba9033cec3cc435c29878b12ceef1defc1f (patch) | |
| tree | 69354c3cf2f00daf0f6a91da44eb1ea858fd9d9a /src/sna | |
| parent | ccf0fdd56dc6efd30e425209d753ed4f90562d76 (diff) | |
sna: Ofast was introduced with gcc-4.6
Thomas Jones reported that the build was failing with gcc-4.5 due to the
memcpy routines requesting an unsupported optimisation mode (-Ofast) and
supplied this patch to only enable Ofast for gcc-4.6+
Reported-by: Thomas Jones <thomas.jones@utoronto.ca>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna')
| -rw-r--r-- | src/sna/compiler.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/sna/compiler.h b/src/sna/compiler.h index 641b490c..9c1b2f1e 100644 --- a/src/sna/compiler.h +++ b/src/sna/compiler.h @@ -65,8 +65,10 @@ #define avx2 __attribute__((target("avx2,sse4.2,sse2,fpmath=sse"))) #endif -#if HAS_GCC(4, 5) && defined(__OPTIMIZE__) +#if HAS_GCC(4, 6) && defined(__OPTIMIZE__) #define fast_memcpy __attribute__((optimize("Ofast"))) __attribute__((target("inline-all-stringops"))) +#elif HAS_GCC(4, 5) && defined(__OPTIMIZE__) +#define fast_memcpy __attribute__((target("inline-all-stringops"))) #else #define fast_memcpy #endif |