From dded0d20f67ba1925ccbcb9cf28f0c75febe0dbe Mon Sep 17 00:00:00 2001 From: Sunil K Pandey Date: Sat, 8 Mar 2025 08:51:10 -0800 Subject: x86_64: Add sinh with FMA On SPR, it improves sinh bench performance by: Before After Improvement reciprocal-throughput 14.2017 11.815 17% latency 36.4917 35.2114 4% Reviewed-by: H.J. Lu --- sysdeps/x86_64/fpu/multiarch/Makefile | 2 ++ sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c | 12 +++++++++++ sysdeps/x86_64/fpu/multiarch/e_sinh.c | 35 +++++++++++++++++++++++++++++++ 3 files changed, 49 insertions(+) create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh.c (limited to 'sysdeps/x86_64') diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile index a198315f1c..61ff78efa3 100644 --- a/sysdeps/x86_64/fpu/multiarch/Makefile +++ b/sysdeps/x86_64/fpu/multiarch/Makefile @@ -5,6 +5,7 @@ CFLAGS-e_exp-fma.c = -mfma -mavx2 CFLAGS-e_log-fma.c = -mfma -mavx2 CFLAGS-e_log2-fma.c = -mfma -mavx2 CFLAGS-e_pow-fma.c = -mfma -mavx2 +CFLAGS-e_sinh-fma.c = -mfma -mavx2 CFLAGS-s_atan-fma.c = -mfma -mavx2 CFLAGS-s_expm1-fma.c = -mfma -mavx2 CFLAGS-s_log1p-fma.c = -mfma -mavx2 @@ -69,6 +70,7 @@ libm-sysdep_routines += \ e_logf-fma \ e_pow-fma \ e_powf-fma \ + e_sinh-fma \ s_atan-avx \ s_atan-fma \ s_ceil-sse4_1 \ diff --git a/sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c b/sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c new file mode 100644 index 0000000000..e0e1e39a7a --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c @@ -0,0 +1,12 @@ +#define __ieee754_sinh __ieee754_sinh_fma +#define __ieee754_exp __ieee754_exp_fma +#define __expm1 __expm1_fma + +/* NB: __expm1 may be expanded to __expm1_fma in the following + prototypes. */ +extern long double __expm1l (long double); +extern long double __expm1f128 (long double); + +#define SECTION __attribute__ ((section (".text.fma"))) + +#include diff --git a/sysdeps/x86_64/fpu/multiarch/e_sinh.c b/sysdeps/x86_64/fpu/multiarch/e_sinh.c new file mode 100644 index 0000000000..3d3c18ccdf --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/e_sinh.c @@ -0,0 +1,35 @@ +/* Multiple versions of sinh. + Copyright (C) 2025 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 +#if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL +# include + +extern double __redirect_ieee754_sinh (double); + +# define SYMBOL_NAME ieee754_sinh +# include "ifunc-fma.h" + +libc_ifunc_redirected (__redirect_ieee754_sinh, __ieee754_sinh, + IFUNC_SELECTOR ()); + +libm_alias_finite (__ieee754_sinh, __sinh) + +# define __ieee754_sinh __ieee754_sinh_sse2 +#endif +#include -- cgit v1.2.3