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GNU C Library master sources branch master updated. glibc-2.18-740-g22562bb
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 3 Jan 2014 20:57:29 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.18-740-g22562bb
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=22562bb222a91e0ecc416b19accd98e10c0d26be
commit 22562bb222a91e0ecc416b19accd98e10c0d26be
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Jan 3 20:56:18 2014 +0000
Fix soft-float ldbl-128ibm atan2l signs of zero results (bug 16390).
This patch fixes bug 16390, incorrect signs of zero results from
ldbl-128ibm atan2l, soft-float only. The problem is a longstanding
GCC bug with fabsl not being correct for signed zero for soft float,
and the fix is using -fno-builtin-fabsl as a workaround, as already
done for various other source files. Tested powerpc-nofpu.
* sysdeps/powerpc/nofpu/Makefile [$(subdir) = math]
(CFLAGS-e_atan2l.c): Use -fno-builtin-fabsl.
diff --git a/ChangeLog b/ChangeLog
index 1029679..0e6850d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-01-03 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #16390]
+ * sysdeps/powerpc/nofpu/Makefile [$(subdir) = math]
+ (CFLAGS-e_atan2l.c): Use -fno-builtin-fabsl.
+
2014-01-03 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc64/multiarch/strcasecmp-power7.S: Remove
diff --git a/NEWS b/NEWS
index e0ea97a..7757c32 100644
--- a/NEWS
+++ b/NEWS
@@ -24,7 +24,7 @@ Version 2.19
16143, 16144, 16146, 16150, 16151, 16153, 16167, 16172, 16195, 16214,
16245, 16271, 16274, 16283, 16289, 16293, 16314, 16316, 16330, 16337,
16338, 16356, 16365, 16366, 16369, 16372, 16375, 16379, 16384, 16385,
- 16386.
+ 16386, 16390.
* Slovenian translations for glibc messages have been contributed by the
Translation Project's Slovenian team of translators.
diff --git a/sysdeps/powerpc/nofpu/Makefile b/sysdeps/powerpc/nofpu/Makefile
index 9de7c43..99761ef 100644
--- a/sysdeps/powerpc/nofpu/Makefile
+++ b/sysdeps/powerpc/nofpu/Makefile
@@ -15,6 +15,7 @@ CPPFLAGS += -I../soft-fp/
# gcc-4.1.1 and may be too late for gcc-4.2. So we need these flags
# until the fix in a gcc release and glibc drops support for earlier
# versions of gcc.
+CFLAGS-e_atan2l.c += -fno-builtin-fabsl
CFLAGS-e_hypotl.c += -fno-builtin-fabsl
CFLAGS-e_powl.c += -fno-builtin-fabsl
CFLAGS-s_ccoshl.c += -fno-builtin-fabsl
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 2 +-
sysdeps/powerpc/nofpu/Makefile | 1 +
3 files changed, 8 insertions(+), 1 deletions(-)
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