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| author | Ondřej Bílka <neleai@seznam.cz> | 2014-02-10 14:45:42 +0100 |
|---|---|---|
| committer | Ondřej Bílka <neleai@seznam.cz> | 2014-02-10 15:07:12 +0100 |
| commit | a1ffb40e32741f992c743e7b16c061fefa3747ac (patch) | |
| tree | 246a29a87b26cfd5d07b17070f85eb3785018de9 /sysdeps/ieee754/dbl-64/s_scalbln.c | |
| parent | 1448f3244714a9dabb5240ec18b094f100887d5c (diff) | |
| download | glibc-a1ffb40e32741f992c743e7b16c061fefa3747ac.tar.gz | |
Use glibc_likely instead __builtin_expect.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_scalbln.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_scalbln.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_scalbln.c b/sysdeps/ieee754/dbl-64/s_scalbln.c index 6402927d23..874b98e4cf 100644 --- a/sysdeps/ieee754/dbl-64/s_scalbln.c +++ b/sysdeps/ieee754/dbl-64/s_scalbln.c @@ -31,7 +31,7 @@ __scalbln (double x, long int n) int32_t k, hx, lx; EXTRACT_WORDS (hx, lx, x); k = (hx & 0x7ff00000) >> 20; /* extract exponent */ - if (__builtin_expect (k == 0, 0)) /* 0 or subnormal x */ + if (__glibc_unlikely (k == 0)) /* 0 or subnormal x */ { if ((lx | (hx & 0x7fffffff)) == 0) return x; /* +-0 */ @@ -39,16 +39,16 @@ __scalbln (double x, long int n) GET_HIGH_WORD (hx, x); k = ((hx & 0x7ff00000) >> 20) - 54; } - if (__builtin_expect (k == 0x7ff, 0)) + if (__glibc_unlikely (k == 0x7ff)) return x + x; /* NaN or Inf */ - if (__builtin_expect (n < -50000, 0)) + if (__glibc_unlikely (n < -50000)) return tiny * __copysign (tiny, x); /*underflow*/ - if (__builtin_expect (n > 50000 || k + n > 0x7fe, 0)) + if (__glibc_unlikely (n > 50000 || k + n > 0x7fe)) return huge * __copysign (huge, x); /* overflow */ /* Now k and n are bounded we know that k = k+n does not overflow. */ k = k + n; - if (__builtin_expect (k > 0, 1)) /* normal result */ + if (__glibc_likely (k > 0)) /* normal result */ { SET_HIGH_WORD (x, (hx & 0x800fffff) | (k << 20)); return x; } |