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Fix FP exception control.

This commit is contained in:
Andrew Stubbs 2010-05-12 10:18:26 -07:00 committed by Ulrich Drepper
parent 3f7dcb2b0f
commit 21a2b1aeeb
2 changed files with 14 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2010-05-12 Andrew Stubbs <ams@codesourcery.com>
* sysdeps/sh/sh4/fpu/feholdexcpt.c (feholdexcept): Really disable all
exceptions. Return 0.
2010-05-07 Roland McGrath <roland@redhat.com> 2010-05-07 Roland McGrath <roland@redhat.com>
* elf/ldconfig.c (main): Add a const. * elf/ldconfig.c (main): Add a const.

12
sysdeps/sh/sh4/fpu/feholdexcpt.c
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@ -1,5 +1,6 @@
/* Store current floating-point environment and clear exceptions. /* Store current floating-point environment and clear exceptions.
Copyright (C) 1997, 1998, 1999, 2000, 2005 Free Software Foundation, Inc. Copyright (C) 1997, 1998, 1999, 2000, 2005, 2010
Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -29,10 +30,15 @@ feholdexcept (fenv_t *envp)
_FPU_GETCW (temp); _FPU_GETCW (temp);
envp->__fpscr = temp; envp->__fpscr = temp;
/* Now set all exceptions to non-stop. */ /* Clear the status flags. */
temp &= ~FE_ALL_EXCEPT; temp &= ~FE_ALL_EXCEPT;
/* Now set all exceptions to non-stop. */
temp &= ~(FE_ALL_EXCEPT << 5);
_FPU_SETCW (temp); _FPU_SETCW (temp);
return 1; /* Success. */
return 0;
} }
libm_hidden_def (feholdexcept) libm_hidden_def (feholdexcept)