about summary refs log tree commit diff
path: root/sysdeps/powerpc/fpu/fesetenv.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/powerpc/fpu/fesetenv.c')
-rw-r--r--sysdeps/powerpc/fpu/fesetenv.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/sysdeps/powerpc/fpu/fesetenv.c b/sysdeps/powerpc/fpu/fesetenv.c
deleted file mode 100644
index 7208ab455a..0000000000
--- a/sysdeps/powerpc/fpu/fesetenv.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/* Install given floating-point environment.
-   Copyright (C) 1997-2017 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <fenv_libc.h>
-#include <fpu_control.h>
-
-#define _FPU_MASK_ALL (_FPU_MASK_ZM | _FPU_MASK_OM | _FPU_MASK_UM | _FPU_MASK_XM | _FPU_MASK_IM)
-
-int
-__fesetenv (const fenv_t *envp)
-{
-  fenv_union_t old, new;
-
-  /* get the currently set exceptions.  */
-  new.fenv = *envp;
-  old.fenv = fegetenv_register ();
-  if (old.l == new.l)
-    return 0;
-
-  /* If the old env has no enabled exceptions and the new env has any enabled
-     exceptions, then unmask SIGFPE in the MSR FE0/FE1 bits.  This will put the
-     hardware into "precise mode" and may cause the FPU to run slower on some
-     hardware.  */
-  if ((old.l & _FPU_MASK_ALL) == 0 && (new.l & _FPU_MASK_ALL) != 0)
-    (void) __fe_nomask_env_priv ();
-
-  /* If the old env had any enabled exceptions and the new env has no enabled
-     exceptions, then mask SIGFPE in the MSR FE0/FE1 bits.  This may allow the
-     FPU to run faster because it always takes the default action and can not
-     generate SIGFPE. */
-  if ((old.l & _FPU_MASK_ALL) != 0 && (new.l & _FPU_MASK_ALL) == 0)
-    (void)__fe_mask_env ();
-
-  fesetenv_register (*envp);
-
-  /* Success.  */
-  return 0;
-}
-
-#include <shlib-compat.h>
-#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
-strong_alias (__fesetenv, __old_fesetenv)
-compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
-#endif
-
-libm_hidden_def (__fesetenv)
-libm_hidden_ver (__fesetenv, fesetenv)
-versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);