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math: Remove the SVID error handling from asinf 

It improves latency for about 2% and throughput for about 5%.

Tested on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
This commit is contained in:
Adhemerval Zanella 2025-10-30 10:27:10 -03:00
parent 9f8dea5b5d
commit f92aba68bc
30 changed files with 59 additions and 4 deletions
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1
math/Versions
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@ -689,6 +689,7 @@ libm {
GLIBC_2.43 { GLIBC_2.43 {
# No SVID compatible error handling. # No SVID compatible error handling.
acosf; acosf;
asinf;
log10f; log10f;
} }
} }

8
math/w_asinf.c Normal file
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@ -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_asin_template.c>
versioned_symbol (libm, __asinf, asinf, GLIBC_2_43);
libm_alias_float_other (__asinf, asinf)

10
math/w_asinf_compat.c
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@ -22,10 +22,10 @@
#include <libm-alias-float.h> #include <libm-alias-float.h>
#if LIBM_SVID_COMPAT #if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43)
/* wrapper asinf */ /* wrapper asinf */
float float
__asinf (float x) __asin_compatf (float x)
{ {
if (__builtin_expect (isgreater (fabsf (x), 1.0f), 0) if (__builtin_expect (isgreater (fabsf (x), 1.0f), 0)
&& _LIB_VERSION != _IEEE_) && _LIB_VERSION != _IEEE_)
@ -37,5 +37,9 @@ __asinf (float x)
return __ieee754_asinf (x); return __ieee754_asinf (x);
} }
libm_alias_float (__asin, asin) # ifdef NO_COMPAT_NEEDED
libm_alias_float (__asin_compat, asin)
# else
compat_symbol (libm, __asin_compatf, asinf, GLIBC_2_0);
# endif
#endif #endif

11
sysdeps/ieee754/flt-32/e_asinf.c
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@ -27,6 +27,8 @@ SOFTWARE.
#include <stdint.h> #include <stdint.h>
#include <errno.h> #include <errno.h>
#include <libm-alias-finite.h> #include <libm-alias-finite.h>
#include <libm-alias-float.h>
#include <math-svid-compat.h>
#include "math_config.h" #include "math_config.h"
#include "s_asincosf_data.h" #include "s_asincosf_data.h"
@ -58,7 +60,7 @@ poly12 (double z, const double *c)
} }
float float
__ieee754_asinf (float x) __asinf (float x)
{ {
const double pi2 = 0x1.921fb54442d18p+0; const double pi2 = 0x1.921fb54442d18p+0;
double xs = x; double xs = x;
@ -115,4 +117,11 @@ __ieee754_asinf (float x)
} }
return r; return r;
} }
strong_alias (__asinf, __ieee754_asinf)
#if LIBM_SVID_COMPAT
versioned_symbol (libm, __asinf, asinf, GLIBC_2_43);
libm_alias_float_other (__asin, asin)
#else
libm_alias_float (__asin, asin)
#endif
libm_alias_finite (__ieee754_asinf, __asinf) libm_alias_finite (__ieee754_asinf, __asinf)

1
sysdeps/ieee754/flt-32/w_asinf.c Normal file
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@ -0,0 +1 @@
/* Not needed. */

8
sysdeps/m68k/m680x0/fpu/w_asinf_compat.c Normal file
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@ -0,0 +1,8 @@
/* m68k provides an optimized __ieee754_asinf. */
#ifdef SHARED
# define NO_COMPAT_NEEDED 1
# include <math/w_asinf_compat.c>
#else
# include <math-type-macros-float.h>
# include <w_asin_template.c>
#endif

1
sysdeps/mach/hurd/i386/libm.abilist
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@ -1318,6 +1318,7 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 fmod F GLIBC_2.43 fmod F
GLIBC_2.43 fmodf F GLIBC_2.43 fmodf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/aarch64/libm.abilist
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@ -1286,4 +1286,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/alpha/libm.abilist
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@ -1445,4 +1445,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/arm/be/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/arm/le/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/hppa/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/i386/libm.abilist
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@ -1325,6 +1325,7 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 fmod F GLIBC_2.43 fmod F
GLIBC_2.43 fmodf F GLIBC_2.43 fmodf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
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@ -1286,4 +1286,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
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@ -1098,4 +1098,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
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@ -1097,4 +1097,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
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@ -1091,4 +1091,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
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@ -1475,4 +1475,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
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@ -1389,4 +1389,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
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@ -1389,4 +1389,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/sh/be/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/sh/le/libm.abilist
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@ -951,4 +951,5 @@ GLIBC_2.42 rsqrtf32x F
GLIBC_2.42 rsqrtf64 F GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
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@ -1396,4 +1396,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
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@ -1286,4 +1286,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
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@ -1319,4 +1319,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F

1
sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
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@ -1319,4 +1319,5 @@ GLIBC_2.42 rsqrtf64 F
GLIBC_2.42 rsqrtf64x F GLIBC_2.42 rsqrtf64x F
GLIBC_2.42 rsqrtl F GLIBC_2.42 rsqrtl F
GLIBC_2.43 acosf F GLIBC_2.43 acosf F
GLIBC_2.43 asinf F
GLIBC_2.43 log10f F GLIBC_2.43 log10f F