[PATCH v4 13/21] math: Remove the SVID error handling from atan2f

Adhemerval Zanella adhemerval.zanella@linaro.org
Wed Oct 8 13:55:13 GMT 2025


It improves latency for about 3-6% and throughput for about 5-12%.

Tested on x86_64-linux-gnu and i686-linux-gnu.
---
 math/Versions                                 |  1 +
 math/w_atan2f_compat.c                        | 11 ++++++++---
 sysdeps/ieee754/flt-32/e_atan2f.c             | 19 ++++++++++++++++---
 sysdeps/ieee754/flt-32/w_atan2f.c             |  1 +
 sysdeps/m68k/m680x0/fpu/w_atan2f_compat.c     |  8 ++++++++
 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 +
 .../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 +
 29 files changed, 58 insertions(+), 6 deletions(-)
 create mode 100644 sysdeps/ieee754/flt-32/w_atan2f.c
 create mode 100644 sysdeps/m68k/m680x0/fpu/w_atan2f_compat.c

diff --git a/math/Versions b/math/Versions
index 5260fc6a076..81042f34e06 100644
--- a/math/Versions
+++ b/math/Versions
@@ -689,5 +689,6 @@ libm {
   GLIBC_2.43 {
     # No SVID compatible error handling.
     remainderf; remainder; log10f; lgammaf; lgammaf_r; acosf; asinf; acoshf;
+    atan2f;
   }
 }
diff --git a/math/w_atan2f_compat.c b/math/w_atan2f_compat.c
index 047f853f2c4..f199fa66e3d 100644
--- a/math/w_atan2f_compat.c
+++ b/math/w_atan2f_compat.c
@@ -26,9 +26,9 @@
 #include <libm-alias-float.h>
 
 
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43)
 float
-__atan2f (float y, float x)
+__atan2_compatf (float y, float x)
 {
   float z;
 
@@ -40,5 +40,10 @@ __atan2f (float y, float x)
     __set_errno (ERANGE);
   return z;
 }
-libm_alias_float (__atan2, atan2)
+# ifdef NO_COMPAT_NEEDED
+strong_alias (__atan2_compatf, __atan2f)
+libm_alias_float (__atan2_compat, atan2)
+# else
+compat_symbol (libm, __atan2_compatf, atan2f, GLIBC_2_0);
+# endif
 #endif
diff --git a/sysdeps/ieee754/flt-32/e_atan2f.c b/sysdeps/ieee754/flt-32/e_atan2f.c
index 82a0151293c..c87fe6dc7de 100644
--- a/sysdeps/ieee754/flt-32/e_atan2f.c
+++ b/sysdeps/ieee754/flt-32/e_atan2f.c
@@ -3,7 +3,7 @@
 Copyright (c) 2022-2024 Alexei Sibidanov and Paul Zimmermann.
 
 The original version of this file was copied from the CORE-MATH
-project (file src/binary32/atan2/atan2f.c, revision 7835c5d).
+project (file src/binary32/atan2/atan2f.c, revision 9b28a4a).
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -25,9 +25,12 @@ SOFTWARE.
 
 */
 
+#include <errno.h>
 #include <math.h>
 #include <stdint.h>
 #include <libm-alias-finite.h>
+#include <libm-alias-float.h>
+#include <math-svid-compat.h>
 #include "math_config.h"
 
 static inline double
@@ -89,7 +92,7 @@ cr_atan2f_tiny (float y, float x)
 }
 
 float
-__ieee754_atan2f (float y, float x)
+__atan2f (float y, float x)
 {
   static const double cn[] =
     {
@@ -269,6 +272,16 @@ __ieee754_atan2f (float y, float x)
 	}
       r = th + tm;
     }
-  return r;
+  float rf = r;
+  if (__glibc_unlikely (rf == 0 && y != 0))
+    __set_errno (ERANGE);
+  return rf;
 }
+strong_alias (__atan2f, __ieee754_atan2f)
+#if LIBM_SVID_COMPAT
+versioned_symbol (libm, __atan2f, atan2f, GLIBC_2_43);
+libm_alias_float_other (__atan2, atan2)
+#else
+libm_alias_float (__atan2, atan2)
+#endif
 libm_alias_finite (__ieee754_atan2f, __atan2f)
diff --git a/sysdeps/ieee754/flt-32/w_atan2f.c b/sysdeps/ieee754/flt-32/w_atan2f.c
new file mode 100644
index 00000000000..1cc89317007
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_atan2f.c
@@ -0,0 +1 @@
+/* Not needed.  */
diff --git a/sysdeps/m68k/m680x0/fpu/w_atan2f_compat.c b/sysdeps/m68k/m680x0/fpu/w_atan2f_compat.c
new file mode 100644
index 00000000000..ebc8035961c
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_atan2f_compat.c
@@ -0,0 +1,8 @@
+/* m68k provides an optimized __ieee754_atan2f.  */
+#ifdef SHARED
+# define NO_COMPAT_NEEDED 1
+# include <math/w_atan2f_compat.c>
+#else
+# include <math-type-macros-float.h>
+# include <w_atan2_template.c>
+#endif
diff --git a/sysdeps/mach/hurd/i386/libm.abilist b/sysdeps/mach/hurd/i386/libm.abilist
index 65358c5455a..f76bdd5fe80 100644
--- a/sysdeps/mach/hurd/i386/libm.abilist
+++ b/sysdeps/mach/hurd/i386/libm.abilist
@@ -1320,6 +1320,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 fmod F
 GLIBC_2.43 fmodf F
 GLIBC_2.43 lgammaf F
diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
index d65fd63405d..f1e243d3cb7 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
@@ -1288,6 +1288,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/alpha/libm.abilist b/sysdeps/unix/sysv/linux/alpha/libm.abilist
index 4f9b0d24fb6..0796948e0f8 100644
--- a/sysdeps/unix/sysv/linux/alpha/libm.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist
@@ -1447,6 +1447,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libm.abilist b/sysdeps/unix/sysv/linux/arm/be/libm.abilist
index d645e393952..410be27fbe2 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libm.abilist b/sysdeps/unix/sysv/linux/arm/le/libm.abilist
index d645e393952..410be27fbe2 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/hppa/libm.abilist b/sysdeps/unix/sysv/linux/hppa/libm.abilist
index 24b3e2d11b7..d594515e1b6 100644
--- a/sysdeps/unix/sysv/linux/hppa/libm.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/i386/libm.abilist b/sysdeps/unix/sysv/linux/i386/libm.abilist
index 855caa88ec6..aff2dd11ba6 100644
--- a/sysdeps/unix/sysv/linux/i386/libm.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libm.abilist
@@ -1327,6 +1327,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 fmod F
 GLIBC_2.43 fmodf F
 GLIBC_2.43 lgammaf F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
index d645e393952..410be27fbe2 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
index 41e28948185..07e4f0c677e 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
index 41e28948185..07e4f0c677e 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
index 47330e50fa5..40de1a0c459 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
index ad4db33a580..02b4637c0af 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
@@ -1288,6 +1288,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
index c658e05fc8b..2741f4b043e 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
@@ -1100,6 +1100,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
index 7668fbc7fb9..71f8d0cbb2c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
@@ -1099,6 +1099,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
index a30b3179e05..234e9696304 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
@@ -1093,6 +1093,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
index 3f8f19113d2..36e45fb718d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
@@ -1477,6 +1477,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
index 2395ed373a6..9e3acb10c2b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
@@ -1391,6 +1391,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
index 4c9008c09b6..5e32f60a73f 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
@@ -1391,6 +1391,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libm.abilist b/sysdeps/unix/sysv/linux/sh/be/libm.abilist
index e46f22f009a..9c89c8effda 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libm.abilist b/sysdeps/unix/sysv/linux/sh/le/libm.abilist
index e46f22f009a..9c89c8effda 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libm.abilist
@@ -953,6 +953,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
index c60203d3d7f..1d5b41e7fa8 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
@@ -1398,6 +1398,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
index 139fab1325f..16a6ce4886c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
@@ -1288,6 +1288,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
index 9b8bda447b8..c54d54f8ff3 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
@@ -1321,6 +1321,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
index 3805c54354d..8bd7e0e3e1a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
@@ -1321,6 +1321,7 @@ GLIBC_2.42 rsqrtl F
 GLIBC_2.43 acosf F
 GLIBC_2.43 acoshf F
 GLIBC_2.43 asinf F
+GLIBC_2.43 atan2f F
 GLIBC_2.43 lgammaf F
 GLIBC_2.43 lgammaf_r F
 GLIBC_2.43 log10f F
-- 
2.43.0



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