From 9d0ffa60ad88799b33ab6437ba0f29b39c019462 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Thu, 7 Dec 2017 10:11:02 -0800 Subject: 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 | 9 +++++++++ NEWS | 4 ++-- sysdeps/x86_64/fpu/multiarch/Makefile | 5 ++++- sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c | 2 ++ sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c | 2 ++ sysdeps/x86_64/fpu/multiarch/s_sinf.c | 28 ++++++++++++++++++++++++++++ 6 files changed, 47 insertions(+), 3 deletions(-) create mode 100644 sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c create mode 100644 sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c create mode 100644 sysdeps/x86_64/fpu/multiarch/s_sinf.c diff --git a/ChangeLog b/ChangeLog index 37b73bf..910bf67 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,14 @@ 2017-12-07 H.J. Lu + * 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 + * sysdeps/x86_64/fpu/s_sinf.S: Removed. 2017-12-07 Joseph Myers diff --git a/NEWS b/NEWS index 3065153..25a2116 100644 --- a/NEWS +++ b/NEWS @@ -9,8 +9,8 @@ Version 2.27 Major new features: -* Optimized x86-64 asin, atan2, exp, expf, log, pow, atan, sin and tan - with FMA, contributed by Arjan van de Ven and H.J. Lu from Intel. +* Optimized x86-64 asin, atan2, exp, expf, log, pow, atan, sin, sinf and + tan with FMA, contributed by Arjan van de Ven and H.J. Lu from Intel. * Optimized x86-64 trunc and truncf for processors with SSE4.1. diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile index c78624b..cab84bf 100644 --- a/sysdeps/x86_64/fpu/multiarch/Makefile +++ b/sysdeps/x86_64/fpu/multiarch/Makefile @@ -37,14 +37,17 @@ 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 += e_exp2f-fma e_expf-fma e_log2f-fma e_logf-fma \ - e_powf-fma + e_powf-fma s_sinf-fma CFLAGS-e_exp2f-fma.c = -mfma -mavx2 CFLAGS-e_expf-fma.c = -mfma -mavx2 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 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 \ diff --git a/sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c b/sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c new file mode 100644 index 0000000..34440eb --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c @@ -0,0 +1,2 @@ +#define SINF __sinf_fma +#include diff --git a/sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c b/sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c new file mode 100644 index 0000000..74e32c9 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c @@ -0,0 +1,2 @@ +#define SINF __sinf_sse2 +#include diff --git a/sysdeps/x86_64/fpu/multiarch/s_sinf.c b/sysdeps/x86_64/fpu/multiarch/s_sinf.c new file mode 100644 index 0000000..831bc6f --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/s_sinf.c @@ -0,0 +1,28 @@ +/* Multiple versions of sinf. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +extern float __redirect_sinf (float); + +#define SYMBOL_NAME sinf +#include "ifunc-fma.h" + +libc_ifunc_redirected (__redirect_sinf, __sinf, IFUNC_SELECTOR ()); + +libm_alias_float (__sin, sin) -- cgit v1.1