| commit | ac817e083b37a5c25d05cde8bde302d7a93ffc5e | |
| author | H.J. Lu <hjl.tools@gmail.com> | |
| Tue, 12 Dec 2017 23:32:58 +0000 (12 15:32 -0800) | ||
| committer | H.J. Lu <hjl.tools@gmail.com> | |
| Tue, 12 Dec 2017 23:32:58 +0000 (12 15:32 -0800) | ||
| tree | 779f6b5284d8548ff24bf96db06e347b011ea46c | treesnapshot (tar.gz zip) |
| parent | eb4285768bb0608e2c3381d0a5214cae83b1f282 | commitdiff |
x86-64: Add cosf with FMA
On Skylake, bench-cosf reports performance improvement:
Before After Improvement
max 135.362 94.552 43%
min 8.532 7.688 11%
mean 17.1446 11.8128 45%
* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
Add s_cosf-sse2 and s_cosf-fma.
(CFLAGS-s_cosf-fma.c): New.
* sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c: New file.
* sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_cosf.c: Likewise.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
On Skylake, bench-cosf reports performance improvement:
Before After Improvement
max 135.362 94.552 43%
min 8.532 7.688 11%
mean 17.1446 11.8128 45%
* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
Add s_cosf-sse2 and s_cosf-fma.
(CFLAGS-s_cosf-fma.c): New.
* sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c: New file.
* sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_cosf.c: Likewise.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
| ChangeLog | diffblobblamehistory | |
| NEWS | diffblobblamehistory | |
| sysdeps/x86_64/fpu/multiarch/Makefile | diffblobblamehistory | |
| sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c | [new file with mode: 0644] | blob |
| sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c | [new file with mode: 0644] | blob |
| sysdeps/x86_64/fpu/multiarch/s_cosf.c | [new file with mode: 0644] | blob |