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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-05-14 05:04:11 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-05-14 05:04:11 -0700 |
| commit | c044d724dc0fb61ba194d853b266f4a4dbd1329d (patch) | |
| tree | f15a8ff1f4178ca15b665775cf0be6f2c2a46a4c | |
| parent | 2523c62bec65ea0c17b1893ffdaba7ac3cff1e31 (diff) | |
| download | glibc-c044d724dc0fb61ba194d853b266f4a4dbd1329d.tar.gz glibc-c044d724dc0fb61ba194d853b266f4a4dbd1329d.tar.xz glibc-c044d724dc0fb61ba194d853b266f4a4dbd1329d.zip | |
Use __builtin_clzll on int64 in __logb
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 5824961e96..56e19afabe 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2012-05-14 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c (__logb): Replace + __builtin_clzl with __builtin_clzll. + +2012-05-14 H.J. Lu <hongjiu.lu@intel.com> + [BZ #14104] * sysdeps/unix/sysv/linux/check_pf.c (cache): Use libc_freeres_ptr. diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c index 474eeef36b..185dd05be3 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c @@ -36,7 +36,7 @@ __logb (double x) return x * x; if (__builtin_expect (ex == 0, 0)) { - int m = (ix == 0) ? 0 : __builtin_clzl (ix); + int m = (ix == 0) ? 0 : __builtin_clzll (ix); return -1022.0 + (double)(11 -m); } return (double) (ex - 1023); |