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| author | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-09-20 21:49:12 +0000 |
|---|---|---|
| committer | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-09-20 21:49:12 +0000 |
| commit | c9c81ef3c667aaa14c498a5449ec6d134b4b66ff (patch) | |
| tree | 0ac440db6513ee01deb5e5dc6142769d1e5b7b2d /gcc/hwint.c | |
| parent | 12cdcb9d74f55c165366ca1b1eeec013a0ce72ef (diff) | |
| parent | 891196d7325e4c55d92d5ac5cfe7161c4f36c0ce (diff) | |
| download | gcc-fortran-dev.tar.gz | |
Merge from trunk (r239915 to r240230)fortran-dev
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/fortran-dev@240290 138bc75d-0d04-0410-961f-82ee72b054a4
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 b936c52e5c1..53730285dd7 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. */ |