diff options
| author |  mtklein <mtklein@chromium.org> | 2015-10-27 13:06:47 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-10-27 13:06:47 -0700 |
| commit | 6885a1e7c04450c0377a85d3ec8698badc58cbea (patch) | |
| tree | 16faa896b72817b2d6985722a364fd6e585fa0c8 | |
| parent | 35e5d1b4495478ca3bede66914ae07f50a447c4d (diff) | |
Make SK_PREFETCH work on Windows too.
- Use _mm_prefetch() if available, e.g. with MSVC.
- Some other tidying up.
No public API changes.
TBR=reed@google.com
BUG=skia:
Review URL: https://codereview.chromium.org/1427663002
| -rw-r--r-- | include/core/SkPostConfig.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/core/SkPostConfig.h b/include/core/SkPostConfig.h index f228937305..76f504f459 100644 --- a/include/core/SkPostConfig.h +++ b/include/core/SkPostConfig.h @@ -295,12 +295,15 @@ ////////////////////////////////////////////////////////////////////// -#if defined(__clang__) || defined(__GNUC__) -# define SK_PREFETCH(ptr) __builtin_prefetch(ptr) -# define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1) +#if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1 + #define SK_PREFETCH(ptr) _mm_prefetch(ptr, _MM_HINT_T0) + #define SK_WRITE_PREFETCH(ptr) _mm_prefetch(ptr, _MM_HINT_T0) +#elif defined(__GNUC__) + #define SK_PREFETCH(ptr) __builtin_prefetch(ptr) + #define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1) #else -# define SK_PREFETCH(ptr) -# define SK_WRITE_PREFETCH(ptr) + #define SK_PREFETCH(ptr) + #define SK_WRITE_PREFETCH(ptr) #endif ////////////////////////////////////////////////////////////////////// |