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(parent: 9574c7b) | patch
x86-64: Add sinf with FMA
authorH.J. Lu <hjl.tools@gmail.com>
Thu, 7 Dec 2017 18:11:02 +0000 (10:11 -0800)
committerH.J. Lu <hjl.tools@gmail.com>
Thu, 7 Dec 2017 18:11:16 +0000 (10:11 -0800)
commit9d0ffa60ad88799b33ab6437ba0f29b39c019462
tree83ff13a7398d34ea00ab43c2b71a3826e47665e3tree | snapshot
parent9574c7b68ddc9f2b940d412dca87592414274b48commit | diff
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.
ChangeLog diff | blob | history
NEWS diff | blob | history
sysdeps/x86_64/fpu/multiarch/Makefile diff | blob | history
sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c [new file with mode: 0644] blob
sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c [new file with mode: 0644] blob
sysdeps/x86_64/fpu/multiarch/s_sinf.c [new file with mode: 0644] blob
Domain: System / Toolchain;