diff mbox series

x86_64: Add sinh with FMA

Message ID 20250312224021.3859969-1-skpgkp2@gmail.com (mailing list archive)
State Superseded
Headers
Series x86_64: Add sinh with FMA |

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Commit Message

Sunil Pandey March 12, 2025, 10:40 p.m. UTC 
  On Skylake, it improves sinh bench performance by:

	Before		After		Improvement
max 	112.749 	84.361		25%
min 	20.772		21.418		-3%
mean 	25.5503		24.6861		3%
---
 sysdeps/ieee754/dbl-64/e_sinh.c           |  8 ++++++
 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 +++++++++++++++++++++++
 4 files changed, 57 insertions(+)
 create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh.c

Comments

H.J. Lu March 12, 2025, 11:45 p.m. UTC | #1 
On Wed, Mar 12, 2025 at 3:41 PM Sunil K Pandey <skpgkp2@gmail.com> wrote:
>
> On Skylake, it improves sinh bench performance by:
>
>         Before          After           Improvement
> max     112.749         84.361          25%
> min     20.772          21.418          -3%

Why is this slower?  Do you have data on newer machines?

> mean    25.5503         24.6861         3%
> ---
>  sysdeps/ieee754/dbl-64/e_sinh.c           |  8 ++++++
>  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 +++++++++++++++++++++++
>  4 files changed, 57 insertions(+)
>  create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c
>  create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh.c
>
> diff --git a/sysdeps/ieee754/dbl-64/e_sinh.c b/sysdeps/ieee754/dbl-64/e_sinh.c
> index b4b5857ddd..3f787967f9 100644
> --- a/sysdeps/ieee754/dbl-64/e_sinh.c
> +++ b/sysdeps/ieee754/dbl-64/e_sinh.c
> @@ -41,6 +41,11 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
>
>  static const double one = 1.0, shuge = 1.0e307;
>
> +#ifndef SECTION
> +# define SECTION
> +#endif
> +
> +SECTION
>  double
>  __ieee754_sinh (double x)
>  {
> @@ -90,4 +95,7 @@ __ieee754_sinh (double x)
>    /* |x| > overflowthresold, sinh(x) overflow */
>    return math_narrow_eval (x * shuge);
>  }
> +
> +#ifndef __ieee754_sinh
>  libm_alias_finite (__ieee754_sinh, __sinh)
> +#endif
> diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile
> index e823d2fcc6..d2d96dd089 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
> @@ -68,6 +69,7 @@ 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 <sysdeps/ieee754/dbl-64/e_sinh.c>
> 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
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <sysdeps/x86/isa-level.h>
> +#if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL
> +# include <libm-alias-finite.h>
> +
> +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 <sysdeps/ieee754/dbl-64/e_sinh.c>
> --
> 2.48.1
>
Sunil Pandey March 13, 2025, 3:49 a.m. UTC | #2 
On Wed, Mar 12, 2025 at 4:46 PM H.J. Lu <hjl.tools@gmail.com> wrote:

> On Wed, Mar 12, 2025 at 3:41 PM Sunil K Pandey <skpgkp2@gmail.com> wrote:
> >
> > On Skylake, it improves sinh bench performance by:
> >
> >         Before          After           Improvement
> > max     112.749         84.361          25%
> > min     20.772          21.418          -3%
>
> Why is this slower?  Do you have data on newer machines?
>

My SKX server machine has big run-to-run variation.  Following are the data
from other machines.

SPR:



                  Before          After           Improvement
max         56.49          43.367         23%

Min         10.87            8.344           23%

Mean     12.7086      10.6824      16%





Skylake client:



              Before          After              Improvement

Max     104.207         99.272          4.7%

Min       22.708          20.8235        8%

Mean   27.5725        25.7811        6.4%



>
> > mean    25.5503         24.6861         3%
> > ---
> >  sysdeps/ieee754/dbl-64/e_sinh.c           |  8 ++++++
> >  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 +++++++++++++++++++++++
> >  4 files changed, 57 insertions(+)
> >  create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c
> >  create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh.c
> >
> > diff --git a/sysdeps/ieee754/dbl-64/e_sinh.c
> b/sysdeps/ieee754/dbl-64/e_sinh.c
> > index b4b5857ddd..3f787967f9 100644
> > --- a/sysdeps/ieee754/dbl-64/e_sinh.c
> > +++ b/sysdeps/ieee754/dbl-64/e_sinh.c
> > @@ -41,6 +41,11 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7
> 1995/05/10 20:46:13 jtc Exp $";
> >
> >  static const double one = 1.0, shuge = 1.0e307;
> >
> > +#ifndef SECTION
> > +# define SECTION
> > +#endif
> > +
> > +SECTION
> >  double
> >  __ieee754_sinh (double x)
> >  {
> > @@ -90,4 +95,7 @@ __ieee754_sinh (double x)
> >    /* |x| > overflowthresold, sinh(x) overflow */
> >    return math_narrow_eval (x * shuge);
> >  }
> > +
> > +#ifndef __ieee754_sinh
> >  libm_alias_finite (__ieee754_sinh, __sinh)
> > +#endif
> > diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile
> b/sysdeps/x86_64/fpu/multiarch/Makefile
> > index e823d2fcc6..d2d96dd089 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
> > @@ -68,6 +69,7 @@ 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 <sysdeps/ieee754/dbl-64/e_sinh.c>
> > 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
> > +   <https://www.gnu.org/licenses/>.  */
> > +
> > +#include <sysdeps/x86/isa-level.h>
> > +#if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL
> > +# include <libm-alias-finite.h>
> > +
> > +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 <sysdeps/ieee754/dbl-64/e_sinh.c>
> > --
> > 2.48.1
> >
>
>
> --
> H.J.
>
H.J. Lu March 13, 2025, 4:30 a.m. UTC | #3 
On Wed, Mar 12, 2025, 8:49 PM Sunil Pandey <skpgkp2@gmail.com> wrote:

>
>
> On Wed, Mar 12, 2025 at 4:46 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>
>> On Wed, Mar 12, 2025 at 3:41 PM Sunil K Pandey <skpgkp2@gmail.com> wrote:
>> >
>> > On Skylake, it improves sinh bench performance by:
>> >
>> >         Before          After           Improvement
>> > max     112.749         84.361          25%
>> > min     20.772          21.418          -3%
>>
>> Why is this slower?  Do you have data on newer machines?
>>
>
> My SKX server machine has big run-to-run variation.  Following are the
> data from other machines.
>
> SPR:
>
>
>
>                   Before          After           Improvement
> max         56.49          43.367         23%
>
> Min         10.87            8.344           23%
>
> Mean     12.7086      10.6824      16%
>

Please update the commit message with data on SPR.


>
>
>
> Skylake client:
>
>
>
>               Before          After              Improvement
>
> Max     104.207         99.272          4.7%
>
> Min       22.708          20.8235        8%
>
> Mean   27.5725        25.7811        6.4%
>
>
>
>>
>> > mean    25.5503         24.6861         3%
>> > ---
>> >  sysdeps/ieee754/dbl-64/e_sinh.c           |  8 ++++++
>> >  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 +++++++++++++++++++++++
>> >  4 files changed, 57 insertions(+)
>> >  create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh-fma.c
>> >  create mode 100644 sysdeps/x86_64/fpu/multiarch/e_sinh.c
>> >
>> > diff --git a/sysdeps/ieee754/dbl-64/e_sinh.c
>> b/sysdeps/ieee754/dbl-64/e_sinh.c
>> > index b4b5857ddd..3f787967f9 100644
>> > --- a/sysdeps/ieee754/dbl-64/e_sinh.c
>> > +++ b/sysdeps/ieee754/dbl-64/e_sinh.c
>> > @@ -41,6 +41,11 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7
>> 1995/05/10 20:46:13 jtc Exp $";
>> >
>> >  static const double one = 1.0, shuge = 1.0e307;
>> >
>> > +#ifndef SECTION
>> > +# define SECTION
>> > +#endif
>> > +
>> > +SECTION
>> >  double
>> >  __ieee754_sinh (double x)
>> >  {
>> > @@ -90,4 +95,7 @@ __ieee754_sinh (double x)
>> >    /* |x| > overflowthresold, sinh(x) overflow */
>> >    return math_narrow_eval (x * shuge);
>> >  }
>> > +
>> > +#ifndef __ieee754_sinh
>> >  libm_alias_finite (__ieee754_sinh, __sinh)
>> > +#endif
>> > diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile
>> b/sysdeps/x86_64/fpu/multiarch/Makefile
>> > index e823d2fcc6..d2d96dd089 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
>> > @@ -68,6 +69,7 @@ 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 <sysdeps/ieee754/dbl-64/e_sinh.c>
>> > 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
>> > +   <https://www.gnu.org/licenses/>.  */
>> > +
>> > +#include <sysdeps/x86/isa-level.h>
>> > +#if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL
>> > +# include <libm-alias-finite.h>
>> > +
>> > +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 <sysdeps/ieee754/dbl-64/e_sinh.c>
>> > --
>> > 2.48.1
>> >
>>
>>
>> --
>> H.J.
>>
>
diff mbox series

Patch

diff --git a/sysdeps/ieee754/dbl-64/e_sinh.c b/sysdeps/ieee754/dbl-64/e_sinh.c
index b4b5857ddd..3f787967f9 100644
--- a/sysdeps/ieee754/dbl-64/e_sinh.c
+++ b/sysdeps/ieee754/dbl-64/e_sinh.c
@@ -41,6 +41,11 @@  static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
 
 static const double one = 1.0, shuge = 1.0e307;
 
+#ifndef SECTION
+# define SECTION
+#endif
+
+SECTION
 double
 __ieee754_sinh (double x)
 {
@@ -90,4 +95,7 @@  __ieee754_sinh (double x)
   /* |x| > overflowthresold, sinh(x) overflow */
   return math_narrow_eval (x * shuge);
 }
+
+#ifndef __ieee754_sinh
 libm_alias_finite (__ieee754_sinh, __sinh)
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile
index e823d2fcc6..d2d96dd089 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
@@ -68,6 +69,7 @@  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 <sysdeps/ieee754/dbl-64/e_sinh.c>
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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/x86/isa-level.h>
+#if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL
+# include <libm-alias-finite.h>
+
+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 <sysdeps/ieee754/dbl-64/e_sinh.c>