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GNU C Library master sources branch master updated. glibc-2.17-145-g0b57dae
- From: siddhesh at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 18 Jan 2013 08:47:35 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.17-145-g0b57dae
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0b57daebab36f59af1d2a02616ee636a7b13ba12
commit 0b57daebab36f59af1d2a02616ee636a7b13ba12
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Fri Jan 18 14:16:25 2013 +0530
Fix application of the exception mask
Fixes BZ #14496.
diff --git a/ChangeLog b/ChangeLog
index 52a9542..647ce1d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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
diff --git a/sysdeps/i386/fpu/fenv_private.h b/sysdeps/i386/fpu/fenv_private.h
index 03f4c97..1f8336c 100644
--- a/sysdeps/i386/fpu/fenv_private.h
+++ b/sysdeps/i386/fpu/fenv_private.h
@@ -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. */
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 4 ++++
sysdeps/i386/fpu/fenv_private.h | 2 +-
2 files changed, 5 insertions(+), 1 deletions(-)
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