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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-12-12 15:32:58 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-12-12 15:32:58 -0800 |
| commit | ac817e083b37a5c25d05cde8bde302d7a93ffc5e (patch) | |
| tree | 779f6b5284d8548ff24bf96db06e347b011ea46c /sysdeps/x86_64/fpu/multiarch/Makefile | |
| parent | eb4285768bb0608e2c3381d0a5214cae83b1f282 (diff) | |
| download | glibc-ac817e083b37a5c25d05cde8bde302d7a93ffc5e.tar.gz glibc-ac817e083b37a5c25d05cde8bde302d7a93ffc5e.tar.xz glibc-ac817e083b37a5c25d05cde8bde302d7a93ffc5e.zip | |
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>
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/Makefile')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/Makefile | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile index cab84bff3a..0825340c0c 100644 --- a/sysdeps/x86_64/fpu/multiarch/Makefile +++ b/sysdeps/x86_64/fpu/multiarch/Makefile @@ -37,10 +37,10 @@ CFLAGS-slowpow-fma.c = -mfma -mavx2 CFLAGS-s_sin-fma.c = -mfma -mavx2 CFLAGS-s_tan-fma.c = -mfma -mavx2 -libm-sysdep_routines += s_sinf-sse2 +libm-sysdep_routines += s_sinf-sse2 s_cosf-sse2 libm-sysdep_routines += e_exp2f-fma e_expf-fma e_log2f-fma e_logf-fma \ - e_powf-fma s_sinf-fma + e_powf-fma s_sinf-fma s_cosf-fma CFLAGS-e_exp2f-fma.c = -mfma -mavx2 CFLAGS-e_expf-fma.c = -mfma -mavx2 @@ -48,6 +48,7 @@ CFLAGS-e_log2f-fma.c = -mfma -mavx2 CFLAGS-e_logf-fma.c = -mfma -mavx2 CFLAGS-e_powf-fma.c = -mfma -mavx2 CFLAGS-s_sinf-fma.c = -mfma -mavx2 +CFLAGS-s_cosf-fma.c = -mfma -mavx2 libm-sysdep_routines += e_exp-fma4 e_log-fma4 e_pow-fma4 s_atan-fma4 \ e_asin-fma4 e_atan2-fma4 s_sin-fma4 s_tan-fma4 \ |