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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-15 20:22:59 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-15 20:22:59 -0400 |
| commit | bcf01e6d800e837622ddbc851b42b55fa99e5636 (patch) | |
| tree | 5df0ae9971331105fe53de872895abb68d8276a5 /ChangeLog | |
| parent | ba1a0d5938b53454a249d679ab90baf541cd91ad (diff) | |
| download | glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.tar glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.tar.gz glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.tar.bz2 glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.zip | |
Optimize exp
Add __exp*_finite optimizations and rewrite some wrappers.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -1,5 +1,20 @@ 2011-10-15 Ulrich Drepper <drepper@gmail.com> + * math/Versions [libm] (GLIBC_2.15): Add __exp_finite, __expf_finite, + __expl_finite. + * math/bits/math-finite.h: Add entries for exp. + * math/e_expl.c: Add __*_finite alias. + * sysdeps/i386/fpu/e_exp.S: Likewise. + * sysdeps/i386/fpu/e_expf.S: Likewise. + * sysdeps/i386/fpu/e_expl.c: Likewise. + * sysdeps/ieee754/dbl-64/e_exp.c: Likewise. + * sysdeps/ieee754/flt-32/e_expf.c: Likewise. + * sysdeps/ieee754/ldbl-128/e_expl.c: Likewise. + * sysdeps/ieee754/ldbl-128ibm/e_expl.c: Likewise. + * sysdeps/ieee754/dbl-64/w_exp.c: Complete rewrite. + * sysdeps/ieee754/flt-32/w_expf.c: Likewise. + * sysdeps/ieee754/ldbl-96/w_expl.c: Likewise. + * sysdeps/i386/i686/fpu/e_logf.S: No need for the fyl2xp1 use, fyl2x is sufficient, at least on modern CPUs. |