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math: Add feclearexcept internal alias 

To avoid linknamespace issues on old standards.  It is required
if the fallback fma implementation is used if/when it is also
used internally for other implementation.
Reviewed-by: DJ Delorie <dj@redhat.com>
This commit is contained in:
Adhemerval Zanella 2025-08-25 13:38:26 -03:00
parent 1fdb73fb3c
commit 2eb8836de7
20 changed files with 44 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/fenv.h
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@ -33,6 +33,7 @@ libm_hidden_proto (feupdateenv)
libm_hidden_proto (__feupdateenv) libm_hidden_proto (__feupdateenv)
libm_hidden_proto (fetestexcept) libm_hidden_proto (fetestexcept)
libm_hidden_proto (feclearexcept) libm_hidden_proto (feclearexcept)
libm_hidden_proto (__feclearexcept)
/* Rounding mode context. This allows functions to set/restore rounding mode /* Rounding mode context. This allows functions to set/restore rounding mode
only when the desired rounding mode is different from the current rounding only when the desired rounding mode is different from the current rounding

1
math/fclrexcpt.c
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@ -25,6 +25,7 @@ __feclearexcept (int excepts)
/* This always fails unless nothing needs to be done. */ /* This always fails unless nothing needs to be done. */
return (excepts != 0); return (excepts != 0);
} }
libm_hidden_def (__feclearexcept)
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feclearexcept, __old_feclearexcept) strong_alias (__feclearexcept, __old_feclearexcept)
compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1); compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);

4
sysdeps/aarch64/fpu/fclrexcpt.c
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@ -20,7 +20,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
fpu_fpsr_t fpsr; fpu_fpsr_t fpsr;
fpu_fpsr_t fpsr_new; fpu_fpsr_t fpsr_new;
@ -35,4 +35,6 @@ feclearexcept (int excepts)
return 0; return 0;
} }
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (__feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

1
sysdeps/alpha/fpu/fclrexcpt.c
View File

@ -35,6 +35,7 @@ __feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
#include <shlib-compat.h> #include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)

4
sysdeps/arc/fpu/fclrexcpt.c
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@ -20,7 +20,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
unsigned int fpsr; unsigned int fpsr;
@ -33,4 +33,6 @@ feclearexcept (int excepts)
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

4
sysdeps/arm/fclrexcpt.c
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@ -22,7 +22,7 @@
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
fpu_control_t fpscr, new_fpscr; fpu_control_t fpscr, new_fpscr;
@ -40,4 +40,6 @@ feclearexcept (int excepts)
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

4
sysdeps/csky/fpu/fclrexcpt.c
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@ -21,7 +21,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
int fpsr; int fpsr;
@ -39,4 +39,6 @@ feclearexcept (int excepts)
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

4
sysdeps/hppa/fpu/fclrexcpt.c
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@ -19,7 +19,7 @@
#include <fenv.h> #include <fenv.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
union { unsigned long long l; unsigned int sw[2]; } s; union { unsigned long long l; unsigned int sw[2]; } s;
@ -32,4 +32,6 @@ feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

1
sysdeps/i386/fpu/fclrexcpt.c
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@ -56,6 +56,7 @@ __feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
#include <shlib-compat.h> #include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)

4
sysdeps/loongarch/fpu/fclrexcpt.c
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@ -21,7 +21,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
int cw; int cw;
@ -43,4 +43,6 @@ feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

1
sysdeps/m68k/fpu/fclrexcpt.c
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@ -38,6 +38,7 @@ __feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
#include <shlib-compat.h> #include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)

4
sysdeps/mips/fpu/fclrexcpt.c
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@ -21,7 +21,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
int cw; int cw;
@ -43,4 +43,6 @@ feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

4
sysdeps/or1k/fpu/fclrexcpt.c
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@ -21,7 +21,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
fpu_control_t cw; fpu_control_t cw;
fpu_control_t cw_new; fpu_control_t cw_new;
@ -41,4 +41,6 @@ feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

1
sysdeps/powerpc/fpu/fclrexcpt.c
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@ -38,6 +38,7 @@ __feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
#include <shlib-compat.h> #include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)

1
sysdeps/powerpc/nofpu/fclrexcpt.c
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@ -26,6 +26,7 @@ __feclearexcept (int x)
SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread); SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread);
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
#include <shlib-compat.h> #include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)

4
sysdeps/riscv/rvf/fclrexcpt.c
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@ -20,9 +20,11 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
asm volatile ("csrc fflags, %0" : : "r" (excepts)); asm volatile ("csrc fflags, %0" : : "r" (excepts));
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

4
sysdeps/s390/fpu/fclrexcpt.c
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@ -20,7 +20,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
fexcept_t temp; fexcept_t temp;
@ -42,4 +42,6 @@ feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

4
sysdeps/sh/sh4/fpu/fclrexcpt.c
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@ -20,7 +20,7 @@
#include <fpu_control.h> #include <fpu_control.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
fpu_control_t cw; fpu_control_t cw;
@ -38,4 +38,6 @@ feclearexcept (int excepts)
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)

1
sysdeps/sparc/fpu/fclrexcpt.c
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@ -34,6 +34,7 @@ __feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feclearexcept, __old_feclearexcept) strong_alias (__feclearexcept, __old_feclearexcept)

4
sysdeps/x86_64/fpu/fclrexcpt.c
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@ -19,7 +19,7 @@
#include <fenv.h> #include <fenv.h>
int int
feclearexcept (int excepts) __feclearexcept (int excepts)
{ {
fenv_t temp; fenv_t temp;
unsigned int mxcsr; unsigned int mxcsr;
@ -49,4 +49,6 @@ feclearexcept (int excepts)
/* Success. */ /* Success. */
return 0; return 0;
} }
libm_hidden_def (__feclearexcept)
weak_alias (__feclearexcept, feclearexcept)
libm_hidden_def (feclearexcept) libm_hidden_def (feclearexcept)