[PATCH v4 07/21] math: Remove the SVID error handling from remainder
Adhemerval Zanella
adhemerval.zanella@linaro.org
Wed Oct 8 13:55:07 GMT 2025
The optimized i386 version is faster than the generic one, and
gcc implements it through the builtin. This optimization enables
us to migrate the implementation to a C version. The performance
on a Zen3 chip is similar to the SVID one.
The m68k provided an optimized version through __m81_u(remainderf)
(mathimpl.h), and gcc does not implement it through a builtin
(different than i386).
Performance improves a bit on x86_64 (Zen3, gcc 15.2.1):
reciprocal-throughput input master NO-SVID improvement
x86_64 subnormals 18.8522 16.2506 13.80%
x86_64 normal 421.8260 403.9270 4.24%
x86_64 close-exponent 21.0579 18.7642 10.89%
i686 subnormals 21.3443 21.4229 -0.37%
i686 normal 525.8380 538.807 -2.47%
i686 close-exponent 21.6589 21.7983 -0.64%
Tested on x86_64-linux-gnu and i686-linux-gnu.
---
math/Versions | 2 +-
math/w_remainder_compat.c | 21 +++++++---
sysdeps/i386/fpu/e_remainder.S | 18 --------
sysdeps/i386/fpu/e_remainder.c | 41 +++++++++++++++++++
sysdeps/ieee754/dbl-64/e_remainder.c | 27 +++++++++---
sysdeps/ieee754/dbl-64/w_remainder.c | 1 +
sysdeps/ieee754/ldbl-opt/w_remainder_compat.c | 2 +-
sysdeps/m68k/m680x0/fpu/e_remainder.c | 16 +++++++-
sysdeps/mach/hurd/i386/libm.abilist | 1 +
sysdeps/unix/sysv/linux/aarch64/libm.abilist | 1 +
sysdeps/unix/sysv/linux/alpha/libm.abilist | 1 +
sysdeps/unix/sysv/linux/arm/be/libm.abilist | 1 +
sysdeps/unix/sysv/linux/arm/le/libm.abilist | 1 +
sysdeps/unix/sysv/linux/hppa/libm.abilist | 1 +
sysdeps/unix/sysv/linux/i386/libm.abilist | 1 +
.../sysv/linux/m68k/coldfire/libm.abilist | 1 +
.../unix/sysv/linux/m68k/m680x0/libm.abilist | 1 +
.../sysv/linux/microblaze/be/libm.abilist | 1 +
.../sysv/linux/microblaze/le/libm.abilist | 1 +
.../unix/sysv/linux/mips/mips32/libm.abilist | 1 +
.../unix/sysv/linux/mips/mips64/libm.abilist | 1 +
.../linux/powerpc/powerpc32/fpu/libm.abilist | 1 +
.../powerpc/powerpc32/nofpu/libm.abilist | 1 +
.../linux/powerpc/powerpc64/be/libm.abilist | 1 +
.../linux/powerpc/powerpc64/le/libm.abilist | 1 +
.../unix/sysv/linux/s390/s390-32/libm.abilist | 1 +
.../unix/sysv/linux/s390/s390-64/libm.abilist | 1 +
sysdeps/unix/sysv/linux/sh/be/libm.abilist | 1 +
sysdeps/unix/sysv/linux/sh/le/libm.abilist | 1 +
.../sysv/linux/sparc/sparc32/libm.abilist | 1 +
.../sysv/linux/sparc/sparc64/libm.abilist | 1 +
.../unix/sysv/linux/x86_64/64/libm.abilist | 1 +
.../unix/sysv/linux/x86_64/x32/libm.abilist | 1 +
33 files changed, 121 insertions(+), 32 deletions(-)
delete mode 100644 sysdeps/i386/fpu/e_remainder.S
create mode 100644 sysdeps/i386/fpu/e_remainder.c
create mode 100644 sysdeps/ieee754/dbl-64/w_remainder.c
diff --git a/math/Versions b/math/Versions
index 085768f137f..7c52fe5fcf0 100644
--- a/math/Versions
+++ b/math/Versions
@@ -688,6 +688,6 @@ libm {
}
GLIBC_2.43 {
# No SVID compatible error handling.
- remainderf;
+ remainderf; remainder;
}
}
diff --git a/math/w_remainder_compat.c b/math/w_remainder_compat.c
index 6410fa4d2b0..f3d10d3b207 100644
--- a/math/w_remainder_compat.c
+++ b/math/w_remainder_compat.c
@@ -19,23 +19,32 @@
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-double.h>
+#include <shlib-compat.h>
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && (SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43) \
+ || defined NO_LONG_DOUBLE \
+ || defined LONG_DOUBLE_COMPAT)
/* wrapper remainder */
double
-__remainder (double x, double y)
+__remainder_compat (double x, double y)
{
if (((__builtin_expect (y == 0.0, 0) && ! isnan (x))
|| (__builtin_expect (isinf (x), 0) && ! isnan (y)))
&& _LIB_VERSION != _IEEE_)
return __kernel_standard (x, y, 28); /* remainder domain */
- return __ieee754_remainder (x, y);
+ return __remainder (x, y);
}
-libm_alias_double (__remainder, remainder)
-weak_alias (__remainder, drem)
+compat_symbol (libm, __remainder_compat, remainder, GLIBC_2_0);
+weak_alias (__remainder_compat, drem)
# ifdef NO_LONG_DOUBLE
-weak_alias (__remainder, dreml)
+weak_alias (__remainder_compat, dreml)
+weak_alias (__remainder_compat, remainderl)
+# endif
+# ifdef LONG_DOUBLE_COMPAT
+LONG_DOUBLE_COMPAT_CHOOSE_libm_remainderl (
+ compat_symbol (libm, __remainder_compat, remainderl, \
+ FIRST_VERSION_libm_remainderl), );
# endif
#endif
diff --git a/sysdeps/i386/fpu/e_remainder.S b/sysdeps/i386/fpu/e_remainder.S
deleted file mode 100644
index 5c10a4673ea..00000000000
--- a/sysdeps/i386/fpu/e_remainder.S
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Public domain.
- */
-
-#include <machine/asm.h>
-#include <libm-alias-finite.h>
-
-ENTRY(__ieee754_remainder)
- fldl 12(%esp)
- fldl 4(%esp)
-1: fprem1
- fstsw %ax
- sahf
- jp 1b
- fstp %st(1)
- ret
-END (__ieee754_remainder)
-libm_alias_finite (__ieee754_remainder, __remainder)
diff --git a/sysdeps/i386/fpu/e_remainder.c b/sysdeps/i386/fpu/e_remainder.c
new file mode 100644
index 00000000000..ec907ecaf98
--- /dev/null
+++ b/sysdeps/i386/fpu/e_remainder.c
@@ -0,0 +1,41 @@
+/* Floating-point remainder function.
+ 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 <math.h>
+#include <libm-alias-finite.h>
+#include <libm-alias-double.h>
+#include "math_config.h"
+
+double
+__remainder (double x, double y)
+{
+ uint64_t hx = asuint64 (x);
+ uint64_t hy = asuint64 (y);
+
+ /* fmod(+-Inf,y) or fmod(x,0) */
+ if (__glibc_unlikely ((is_inf (hx) || y == 0.0)
+ && !is_nan (hy)
+ && !is_nan (hx)))
+ return __math_invalid (x);
+
+ return __builtin_remainder (x, y);
+}
+strong_alias (__remainder, __ieee754_remainder)
+versioned_symbol (libm, __remainder, remainder, GLIBC_2_43);
+libm_alias_double_other (__remainder, remainder)
+libm_alias_finite (__ieee754_remainder, __remainder)
diff --git a/sysdeps/ieee754/dbl-64/e_remainder.c b/sysdeps/ieee754/dbl-64/e_remainder.c
index dbae3aab81e..00f6b74e579 100644
--- a/sysdeps/ieee754/dbl-64/e_remainder.c
+++ b/sysdeps/ieee754/dbl-64/e_remainder.c
@@ -18,10 +18,12 @@
#include <math.h>
#include <libm-alias-finite.h>
+#include <libm-alias-double.h>
+#include <math-svid-compat.h>
#include "math_config.h"
double
-__ieee754_remainder (double x, double y)
+__remainder (double x, double y)
{
uint64_t hx = asuint64 (x);
uint64_t hy = asuint64 (y);
@@ -36,7 +38,7 @@ __ieee754_remainder (double x, double y)
{
/* |x| not finite, |y| equal 0 is handled by fmod. */
if (__glibc_unlikely (hx >= EXPONENT_MASK))
- return (x * y) / (x * y);
+ return __math_invalid (x);
x = fabs (__ieee754_fmod (x, y + y));
if (x + x > y)
@@ -53,8 +55,13 @@ __ieee754_remainder (double x, double y)
else
{
/* |x| not finite or |y| is NaN or 0 */
- if ((hx >= EXPONENT_MASK || (hy - 1) >= EXPONENT_MASK))
- return (x * y) / (x * y);
+ if (__glibc_unlikely ((hx >= EXPONENT_MASK
+ || (hy - 1) >= EXPONENT_MASK)))
+ {
+ if (is_inf (hy))
+ return __math_invalid (x);
+ return (x * y) / (x * y);
+ }
x = fabs (x);
double y_half = y * 0.5;
@@ -70,4 +77,14 @@ __ieee754_remainder (double x, double y)
return sx ? -x : x;
}
-libm_alias_finite (__ieee754_remainder, __remainder)
+libm_alias_finite (__remainder, __remainder)
+#if LIBM_SVID_COMPAT
+versioned_symbol (libm, __remainder, remainder, GLIBC_2_43);
+libm_alias_double_other (__remainder, remainder)
+#else
+libm_alias_double (__remainder, remainder)
+weak_alias (__remainder, drem)
+# ifdef NO_LONG_DOUBLE
+weak_alias (__remainder, dreml)
+# endif
+#endif
diff --git a/sysdeps/ieee754/dbl-64/w_remainder.c b/sysdeps/ieee754/dbl-64/w_remainder.c
new file mode 100644
index 00000000000..db3355f5988
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/w_remainder.c
@@ -0,0 +1 @@
+/* Not needed */
diff --git a/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c b/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
index 8bdea32c02c..ed87fbf7eca 100644
--- a/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
+++ b/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
@@ -1,6 +1,6 @@
#include <math_ldbl_opt.h>
#include <math/w_remainder_compat.c>
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-strong_alias (__remainder, __drem)
+strong_alias (__remainder_compat, __drem)
compat_symbol (libm, __drem, dreml, GLIBC_2_0);
#endif
diff --git a/sysdeps/m68k/m680x0/fpu/e_remainder.c b/sysdeps/m68k/m680x0/fpu/e_remainder.c
index d9d383840f5..b173876dd2a 100644
--- a/sysdeps/m68k/m680x0/fpu/e_remainder.c
+++ b/sysdeps/m68k/m680x0/fpu/e_remainder.c
@@ -17,12 +17,26 @@
<https://www.gnu.org/licenses/>. */
#include <math.h>
+#include <libm-alias-double.h>
#include <libm-alias-finite.h>
#include "mathimpl.h"
+#include "math_config.h"
double
-__ieee754_remainder (double x, double y)
+__remainder (double x, double y)
{
+ uint64_t hx = asuint64 (x);
+ uint64_t hy = asuint64 (y);
+
+ /* fmod(+-Inf,y) or fmod(x,0) */
+ if (__glibc_unlikely ((is_inf (hx) || y == 0.0f)
+ && !is_nan (hy)
+ && !is_nan (hx)))
+ return __math_invalid (x);
+
return __m81_u(__ieee754_remainder)(x, y);
}
+strong_alias (__remainder, __ieee754_remainder)
+versioned_symbol (libm, __remainder, remainder, GLIBC_2_43);
+libm_alias_double_other (__remainder, remainder)
libm_alias_finite (__ieee754_remainder, __remainder)
diff --git a/sysdeps/mach/hurd/i386/libm.abilist b/sysdeps/mach/hurd/i386/libm.abilist
index 36b50dcb55a..f525dc79cd7 100644
--- a/sysdeps/mach/hurd/i386/libm.abilist
+++ b/sysdeps/mach/hurd/i386/libm.abilist
@@ -1319,4 +1319,5 @@ GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
GLIBC_2.43 fmod F
GLIBC_2.43 fmodf F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
index cc8ba7d0b5f..2ebb7a22972 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
@@ -1285,4 +1285,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/alpha/libm.abilist b/sysdeps/unix/sysv/linux/alpha/libm.abilist
index 2a107b921e3..53bf2a874a7 100644
--- a/sysdeps/unix/sysv/linux/alpha/libm.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist
@@ -1444,4 +1444,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libm.abilist b/sysdeps/unix/sysv/linux/arm/be/libm.abilist
index 959e3a3a549..3f57ff37053 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libm.abilist b/sysdeps/unix/sysv/linux/arm/le/libm.abilist
index 959e3a3a549..3f57ff37053 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/hppa/libm.abilist b/sysdeps/unix/sysv/linux/hppa/libm.abilist
index 5bca93b6154..087ccb3d639 100644
--- a/sysdeps/unix/sysv/linux/hppa/libm.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/i386/libm.abilist b/sysdeps/unix/sysv/linux/i386/libm.abilist
index 22ebff2290c..81a72e78a17 100644
--- a/sysdeps/unix/sysv/linux/i386/libm.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libm.abilist
@@ -1326,4 +1326,5 @@ GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
GLIBC_2.43 fmod F
GLIBC_2.43 fmodf F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
index 959e3a3a549..3f57ff37053 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
index 9f77b4572c2..b81218aad75 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
@@ -988,4 +988,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
GLIBC_2.43 fmod F
GLIBC_2.43 fmodf F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
index e846492a9e9..424df304d7d 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
index e846492a9e9..424df304d7d 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
index a469f7b258f..e6d7e0baefd 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
index 5a72cd55381..9b476d1b6a9 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
@@ -1285,4 +1285,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
index eaf74a54244..4e8ff2b9fb4 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
@@ -1097,4 +1097,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
index 95e600708da..72e1e9ab16f 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
@@ -1096,4 +1096,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
index 789c77491c7..4de7921976b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
@@ -1090,4 +1090,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
index edd6750d4ac..80d89ab1ee8 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
@@ -1474,4 +1474,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
index cf9f1683b4b..45aec5dddc5 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
@@ -1388,4 +1388,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
index 323c9f9f0f9..792150626ee 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
@@ -1388,4 +1388,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libm.abilist b/sysdeps/unix/sysv/linux/sh/be/libm.abilist
index bd6ab083da9..049284a8149 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libm.abilist b/sysdeps/unix/sysv/linux/sh/le/libm.abilist
index bd6ab083da9..049284a8149 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libm.abilist
@@ -950,4 +950,5 @@ GLIBC_2.42 rsqrtf32 F
GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
index 386a8c11c16..b42c59d3706 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
@@ -1395,4 +1395,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
index 33e086be20c..353fc443994 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
@@ -1285,4 +1285,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
index d0253f7a4ca..bce274b3e26 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
@@ -1318,4 +1318,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
index b7cae704391..6dcfe6a22fe 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
@@ -1318,4 +1318,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F
+GLIBC_2.43 remainder F
GLIBC_2.43 remainderf F
--
2.43.0
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