diff options
Diffstat (limited to 'gcc/hwint.c')
| -rw-r--r-- | gcc/hwint.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/hwint.c b/gcc/hwint.c index b936c52..5373028 100644 --- a/gcc/hwint.c +++ b/gcc/hwint.c @@ -74,7 +74,7 @@ ceil_log2 (unsigned HOST_WIDE_INT x) int exact_log2 (unsigned HOST_WIDE_INT x) { - if (x != (x & -x)) + if (!pow2p_hwi (x)) return -1; return floor_log2 (x); } @@ -85,7 +85,7 @@ exact_log2 (unsigned HOST_WIDE_INT x) int ctz_hwi (unsigned HOST_WIDE_INT x) { - return x ? floor_log2 (x & -x) : HOST_BITS_PER_WIDE_INT; + return x ? floor_log2 (least_bit_hwi (x)) : HOST_BITS_PER_WIDE_INT; } /* Similarly for most significant bits. */ @@ -102,7 +102,7 @@ clz_hwi (unsigned HOST_WIDE_INT x) int ffs_hwi (unsigned HOST_WIDE_INT x) { - return 1 + floor_log2 (x & -x); + return 1 + floor_log2 (least_bit_hwi (x)); } /* Return the number of set bits in X. */ |