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| author | Ben Gamari <ben@smart-cactus.org> | 2019-05-18 11:02:03 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2019-10-22 12:18:39 -0400 |
| commit | dacf4cae179e4f9ee67cd2a5e0c9de7900b5f274 (patch) | |
| tree | b49e70785bdb68aeff641f95e8dd1190503c5509 /includes | |
| parent | e5eda61e768a74723f6e7955cc9247c14ecabc6d (diff) | |
| download | haskell-dacf4cae179e4f9ee67cd2a5e0c9de7900b5f274.tar.gz | |
rts: Add prefetch macros
Diffstat (limited to 'includes')
| -rw-r--r-- | includes/Rts.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/includes/Rts.h b/includes/Rts.h index def06de90d..7ad6988f3b 100644 --- a/includes/Rts.h +++ b/includes/Rts.h @@ -74,6 +74,10 @@ extern "C" { #define RTS_UNREACHABLE abort() #endif +/* Prefetch primitives */ +#define prefetchForRead(ptr) __builtin_prefetch(ptr, 0) +#define prefetchForWrite(ptr) __builtin_prefetch(ptr, 1) + /* Fix for mingw stat problem (done here so it's early enough) */ #if defined(mingw32_HOST_OS) #define __MSVCRT__ 1 |