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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-08-15 08:45:34 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-08-16 08:31:02 -0700 |
| commit | 0575d372670fd8b06c7366a29c133581f0c696f6 (patch) | |
| tree | f649e419613d08dd538552587e61782771d6326c /sysdeps/unix/sysv/linux/alpha/sysdep.h | |
| parent | f59f7adb4a00b7784cab1becdf257366104587b7 (diff) | |
| download | glibc-hjl/expf/master.tar.gz | |
x86-64: Optimize e_expf with FMA [BZ #21912]hjl/expf/master
FMA optimized e_expf improves performance by more than 50% on Skylake.
[BZ #21912]
* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
Add and e_expf-fma.
* sysdeps/x86_64/fpu/multiarch/e_expf-fma.S: New file.
* sysdeps/x86_64/fpu/multiarch/e_expf.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/ifunc-fma.h: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/sysdep.h')
0 files changed, 0 insertions, 0 deletions