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Fix application of the exception mask

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Fixes BZ #14496.
This commit is contained in:
Siddhesh Poyarekar 2013-01-18 14:16:25 +05:30
parent caa99d06e7
commit 0b57daebab
2 changed files with 5 additions and 1 deletions
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ChangeLog
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@ -1,5 +1,9 @@
2013-01-18 Siddhesh Poyarekar <siddhesh@redhat.com>
[BZ #14496]
* sysdeps/i386/fpu/fenv_private.h (libc_feupdateenv_test_sse):
Fix application of SIMD FP exception mask.
* sysdeps/ieee754/dbl-64/mpa.h (__pow_mp): New function to get an
mp_no from a power of two.
* sysdeps/ieee754/dbl-64/mpexp.c (__mpexp): Remove

2
sysdeps/i386/fpu/fenv_private.h
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@ -176,7 +176,7 @@ libc_feupdateenv_test_sse (fenv_t *e, int ex)
/* Raise SIGFPE for any new exceptions since the hold. Expect that
the normal environment has all exceptions masked. */
if (__builtin_expect ((old_mxcsr >> 7) & cur_ex, 0))
if (__glibc_unlikely (~(old_mxcsr >> 7) & cur_ex))
__feraiseexcept (cur_ex);
/* Test for exceptions raised since the hold. */