diff options
Diffstat (limited to 'target-arm/helper-a64.c')
| -rw-r--r-- | target-arm/helper-a64.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c index 2c7a645f66..deb8dbe489 100644 --- a/target-arm/helper-a64.c +++ b/target-arm/helper-a64.c @@ -70,20 +70,7 @@ uint32_t HELPER(clz32)(uint32_t x) uint64_t HELPER(rbit64)(uint64_t x) { - /* assign the correct byte position */ - x = bswap64(x); - - /* assign the correct nibble position */ - x = ((x & 0xf0f0f0f0f0f0f0f0ULL) >> 4) - | ((x & 0x0f0f0f0f0f0f0f0fULL) << 4); - - /* assign the correct bit position */ - x = ((x & 0x8888888888888888ULL) >> 3) - | ((x & 0x4444444444444444ULL) >> 1) - | ((x & 0x2222222222222222ULL) << 1) - | ((x & 0x1111111111111111ULL) << 3); - - return x; + return revbit64(x); } /* Convert a softfloat float_relation_ (as returned by |