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| author | Ulrich Drepper <drepper@redhat.com> | 2007-04-16 20:15:57 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-04-16 20:15:57 +0000 |
| commit | a8c79c4088e8c04e4297936efa0dee6c8e6e974d (patch) | |
| tree | eff01fb1edcb8dbd7a3b40feeffc2137a5a9a00a /sysdeps/x86_64/fpu/feenablxcpt.c | |
| parent | 34317254127a027848079aabdd17efa1deb9279f (diff) | |
| download | glibc-a8c79c4088e8c04e4297936efa0dee6c8e6e974d.tar.gz | |
[BZ #3427]
2007-03-22 Jakub Jelinek <jakub@redhat.com>
[BZ #3427]
* sysdeps/x86_64/fpu/feholdexcpt.c (feholdexcept): Clear all
exceptions both in SW and MXCSR.
* sysdeps/x86_64/fpu/feupdateenv.c: New file.
* sysdeps/x86_64/fpu/feenablxcpt.c (feenableexcept): Remove dead code.
* sysdeps/x86_64/fpu/fedisblxcpt.c (fedisableexcept): Likewise.
* sysdeps/i386/fpu/feholdexcpt.c (feholdexcept): Clear all exceptions
in MXCSR if SSE is available.
* sysdeps/i386/fpu/feupdateenv.c: Include unistd.h, dl-procinfo.h
and ldsodefs.h.
(__feupdateenv): Query exceptions also from MXCSR if SSE is available.
Fix comment typo.
* sysdeps/ia64/fpu/feholdexcpt.c (feholdexcept): Clear all exceptions.
Return 0 rather than 1.
* sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Fix comment typo.
Remove incorrect part of a comment. Fix argument to feraiseexcept.
* math/test-fenv.c (feholdexcept_tests): New function.
(main): Call it.
2007-01-05 Richard B. Kreckel <kreckel@ginac.de>
[BZ #3427]
* sysdeps/i386/fpu/feholdexcpt.c (feholdexcept): Clear all exceptions
in SW.
Diffstat (limited to 'sysdeps/x86_64/fpu/feenablxcpt.c')
| -rw-r--r-- | sysdeps/x86_64/fpu/feenablxcpt.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/sysdeps/x86_64/fpu/feenablxcpt.c b/sysdeps/x86_64/fpu/feenablxcpt.c index 43259d0cfb..7bbc368d27 100644 --- a/sysdeps/x86_64/fpu/feenablxcpt.c +++ b/sysdeps/x86_64/fpu/feenablxcpt.c @@ -1,5 +1,5 @@ /* Enable floating-point exceptions. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 2001. @@ -24,7 +24,7 @@ int feenableexcept (int excepts) { unsigned short int new_exc, old_exc; - unsigned int new, old; + unsigned int new; excepts &= FE_ALL_EXCEPT; @@ -40,8 +40,6 @@ feenableexcept (int excepts) __asm__ ("stmxcsr %0" : "=m" (*&new)); /* The SSE exception masks are shifted by 7 bits. */ - old = (~new) & (FE_ALL_EXCEPT << 7); - new &= ~(excepts << 7); __asm__ ("ldmxcsr %0" : : "m" (*&new)); |