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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-12-07 10:11:02 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-12-07 10:11:16 -0800 |
| commit | 9d0ffa60ad88799b33ab6437ba0f29b39c019462 (patch) | |
| tree | 83ff13a7398d34ea00ab43c2b71a3826e47665e3 /ChangeLog | |
| parent | 9574c7b68ddc9f2b940d412dca87592414274b48 (diff) | |
| download | glibc-9d0ffa60ad88799b33ab6437ba0f29b39c019462.zip glibc-9d0ffa60ad88799b33ab6437ba0f29b39c019462.tar.gz glibc-9d0ffa60ad88799b33ab6437ba0f29b39c019462.tar.bz2 | |
x86-64: Add sinf with FMA
On Skylake, bench-sinf reports performance improvement:
Before After Improvement
max 153.996 100.094 54%
min 8.546 6.852 25%
mean 18.1223 11.802 54%
* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
Add s_sinf-sse2 and s_sinf-fma.
(CFLAGS-s_sinf-fma.c): New.
* sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c: New file.
* sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_sinf.c: Likewise.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -1,5 +1,14 @@ 2017-12-07 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines): + Add s_sinf-sse2 and s_sinf-fma. + (CFLAGS-s_sinf-fma.c): New. + * sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c: New file. + * sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c: Likewise. + * sysdeps/x86_64/fpu/multiarch/s_sinf.c: Likewise. + +2017-12-07 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/fpu/s_sinf.S: Removed. 2017-12-07 Joseph Myers <joseph@codesourcery.com> |