[PATCH v3 09/10] math: Remove the error handling wrapper from coshf
Adhemerval Zanella
adhemerval.zanella@linaro.org
Mon Sep 22 20:18:14 GMT 2025
It improves latency for about 3-10% and throughput for about 5-15%.
---
math/Versions | 1 +
math/w_coshf.c | 8 ++++++++
math/w_coshf_compat.c | 12 +++++++++---
sysdeps/ieee754/flt-32/e_coshf.c | 11 ++++++++++-
sysdeps/ieee754/flt-32/w_coshf.c | 1 +
sysdeps/m68k/m680x0/fpu/w_coshf_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 +
sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist | 1 +
sysdeps/unix/sysv/linux/microblaze/be/libm.abilist | 1 +
sysdeps/unix/sysv/linux/microblaze/le/libm.abilist | 1 +
sysdeps/unix/sysv/linux/mips/mips32/libm.abilist | 1 +
sysdeps/unix/sysv/linux/mips/mips64/libm.abilist | 1 +
.../sysv/linux/powerpc/powerpc32/fpu/libm.abilist | 1 +
.../sysv/linux/powerpc/powerpc32/nofpu/libm.abilist | 1 +
.../sysv/linux/powerpc/powerpc64/be/libm.abilist | 1 +
.../sysv/linux/powerpc/powerpc64/le/libm.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist | 1 +
sysdeps/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 +
sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/64/libm.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist | 1 +
30 files changed, 61 insertions(+), 4 deletions(-)
create mode 100644 math/w_coshf.c
create mode 100644 sysdeps/ieee754/flt-32/w_coshf.c
create mode 100644 sysdeps/m68k/m680x0/fpu/w_coshf_compat.c
diff --git a/math/Versions b/math/Versions
index 11e3c10f6e..d4291edc56 100644
--- a/math/Versions
+++ b/math/Versions
@@ -695,5 +695,6 @@ libm {
acoshf;
atan2f;
atanhf;
+ coshf;
}
}
diff --git a/math/w_coshf.c b/math/w_coshf.c
new file mode 100644
index 0000000000..d1e395e7f0
--- /dev/null
+++ b/math/w_coshf.c
@@ -0,0 +1,8 @@
+#include <math-type-macros-float.h>
+#undef __USE_WRAPPER_TEMPLATE
+#define __USE_WRAPPER_TEMPLATE 1
+#undef declare_mgen_alias
+#define declare_mgen_alias(a, b)
+#include <w_cosh_template.c>
+versioned_symbol (libm, __coshf, coshf, GLIBC_2_43);
+libm_alias_float_other (__coshf, coshf)
diff --git a/math/w_coshf_compat.c b/math/w_coshf_compat.c
index ce5e196c07..bef703becd 100644
--- a/math/w_coshf_compat.c
+++ b/math/w_coshf_compat.c
@@ -20,10 +20,11 @@
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-float.h>
+#include <shlib-compat.h>
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43)
float
-__coshf (float x)
+__cosh_compatf (float x)
{
float z = __ieee754_coshf (x);
if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
@@ -32,5 +33,10 @@ __coshf (float x)
return z;
}
-libm_alias_float (__cosh, cosh)
+# ifdef NO_COMPAT_NEEDED
+strong_alias (__cosh_compatf, __coshf)
+libm_alias_float (__cosh_compat, cosh)
+# else
+compat_symbol (libm, __cosh_compatf, coshf, GLIBC_2_0);
+# endif
#endif
diff --git a/sysdeps/ieee754/flt-32/e_coshf.c b/sysdeps/ieee754/flt-32/e_coshf.c
index 382cd55cdf..4ef0513360 100644
--- a/sysdeps/ieee754/flt-32/e_coshf.c
+++ b/sysdeps/ieee754/flt-32/e_coshf.c
@@ -27,11 +27,13 @@ SOFTWARE.
#include <stdint.h>
#include <math.h>
#include <libm-alias-finite.h>
+#include <libm-alias-float.h>
+#include <math-svid-compat.h>
#include "math_config.h"
#include "e_sincoshf_data.h"
float
-__ieee754_coshf (float x)
+__coshf (float x)
{
const double iln2 = 0x1.71547652b82fep+5;
double z = x;
@@ -92,4 +94,11 @@ __ieee754_coshf (float x)
}
return ub;
}
+strong_alias (__coshf, __ieee754_coshf)
+#if LIBM_SVID_COMPAT
+versioned_symbol (libm, __coshf, coshf, GLIBC_2_43);
+libm_alias_float_other (__cosh, cosh)
+#else
+libm_alias_float (__cosh, cosh)
+#endif
libm_alias_finite (__ieee754_coshf, __coshf)
diff --git a/sysdeps/ieee754/flt-32/w_coshf.c b/sysdeps/ieee754/flt-32/w_coshf.c
new file mode 100644
index 0000000000..1cc8931700
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_coshf.c
@@ -0,0 +1 @@
+/* Not needed. */
diff --git a/sysdeps/m68k/m680x0/fpu/w_coshf_compat.c b/sysdeps/m68k/m680x0/fpu/w_coshf_compat.c
new file mode 100644
index 0000000000..14444a9f0c
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_coshf_compat.c
@@ -0,0 +1,8 @@
+/* m68k provides an optimized __ieee754_coshhf. */
+#ifdef SHARED
+# define NO_COMPAT_NEEDED 1
+# include <math/w_coshf_compat.c>
+#else
+# include <math-type-macros-float.h>
+# include <w_cosh_template.c>
+#endif
diff --git a/sysdeps/mach/hurd/i386/libm.abilist b/sysdeps/mach/hurd/i386/libm.abilist
index 0b6134a381..a8781e3a55 100644
--- a/sysdeps/mach/hurd/i386/libm.abilist
+++ b/sysdeps/mach/hurd/i386/libm.abilist
@@ -1322,6 +1322,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf F
GLIBC_2.43 lgammaf F
GLIBC_2.43 lgammaf_r F
GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
index 1b619895b8..9fae1258fd 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
@@ -1290,6 +1290,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 3b398ea747..e13efc9640 100644
--- a/sysdeps/unix/sysv/linux/alpha/libm.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist
@@ -1449,6 +1449,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 91213bd68e..079e9f4833 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 91213bd68e..079e9f4833 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 ae4a56dd9a..14ccac166a 100644
--- a/sysdeps/unix/sysv/linux/hppa/libm.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 084f0f338a..58864c81fd 100644
--- a/sysdeps/unix/sysv/linux/i386/libm.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libm.abilist
@@ -1329,6 +1329,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf F
GLIBC_2.43 lgammaf F
GLIBC_2.43 lgammaf_r F
GLIBC_2.43 log10f F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
index 91213bd68e..079e9f4833 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 94158cce3b..02c74ec5e2 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 94158cce3b..02c74ec5e2 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 b050f407bf..2f31b08827 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 d7e03402bc..3633e7a66e 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
@@ -1290,6 +1290,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 4a8681d603..3337a59797 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
@@ -1102,6 +1102,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 964a468f79..72b38a555d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
@@ -1101,6 +1101,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 4b9e998d4c..104c930092 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
@@ -1095,6 +1095,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 f133f5f8a9..5b30370953 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
@@ -1479,6 +1479,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 1bf4986305..fa9b08fa66 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
@@ -1393,6 +1393,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 b947f70758..30af7f8d77 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
@@ -1393,6 +1393,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 a8056449ff..afaf1806ba 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 a8056449ff..afaf1806ba 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libm.abilist
@@ -955,6 +955,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 db936cec6c..7628629dcf 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
@@ -1400,6 +1400,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 cf6b25e101..606c09fb32 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
@@ -1290,6 +1290,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 d816283f06..04b8058247 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
@@ -1323,6 +1323,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf 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 fc7de9f131..b0b5759d28 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
@@ -1323,6 +1323,7 @@ GLIBC_2.43 acoshf F
GLIBC_2.43 asinf F
GLIBC_2.43 atan2f F
GLIBC_2.43 atanhf F
+GLIBC_2.43 coshf F
GLIBC_2.43 lgammaf F
GLIBC_2.43 lgammaf_r F
GLIBC_2.43 log10f F
--
2.43.0
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