diff options
Diffstat (limited to 'src/backend/utils/cache/catcache.c')
| -rw-r--r-- | src/backend/utils/cache/catcache.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/backend/utils/cache/catcache.c b/src/backend/utils/cache/catcache.c index eb830880893..ec073e1ed06 100644 --- a/src/backend/utils/cache/catcache.c +++ b/src/backend/utils/cache/catcache.c @@ -26,6 +26,7 @@ #include "catalog/pg_type.h" #include "common/hashfn.h" #include "miscadmin.h" +#include "port/pg_bitutils.h" #ifdef CATCACHE_STATS #include "storage/ipc.h" /* for on_proc_exit */ #endif @@ -281,25 +282,18 @@ CatalogCacheComputeHashValue(CatCache *cache, int nkeys, { case 4: oneHash = (cc_hashfunc[3]) (v4); - - hashValue ^= oneHash << 24; - hashValue ^= oneHash >> 8; + hashValue ^= pg_rotate_left32(oneHash, 24); /* FALLTHROUGH */ case 3: oneHash = (cc_hashfunc[2]) (v3); - - hashValue ^= oneHash << 16; - hashValue ^= oneHash >> 16; + hashValue ^= pg_rotate_left32(oneHash, 16); /* FALLTHROUGH */ case 2: oneHash = (cc_hashfunc[1]) (v2); - - hashValue ^= oneHash << 8; - hashValue ^= oneHash >> 24; + hashValue ^= pg_rotate_left32(oneHash, 8); /* FALLTHROUGH */ case 1: oneHash = (cc_hashfunc[0]) (v1); - hashValue ^= oneHash; break; default: |