diff options
Diffstat (limited to 'absl/base/prefetch.h')
| -rw-r--r-- | absl/base/prefetch.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/absl/base/prefetch.h b/absl/base/prefetch.h index 609e26e7..98b3bf96 100644 --- a/absl/base/prefetch.h +++ b/absl/base/prefetch.h @@ -157,7 +157,7 @@ ABSL_ATTRIBUTE_ALWAYS_INLINE inline void PrefetchToLocalCacheForWrite( // unless -march=broadwell or newer; this is not generally the default, so we // manually emit prefetchw. PREFETCHW is recognized as a no-op on older Intel // processors and has been present on AMD processors since the K6-2. -#if defined(__x86_64__) +#if defined(__x86_64__) && !defined(__PRFCHW__) asm("prefetchw %0" : : "m"(*reinterpret_cast<const char*>(addr))); #else __builtin_prefetch(addr, 1, 3); |