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GNU C Library master sources branch ibm/2.20/master updated. glibc-2.20-37-gae75fdc
- From: tuliom at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 16 Mar 2015 23:26:34 -0000
- Subject: GNU C Library master sources branch ibm/2.20/master updated. glibc-2.20-37-gae75fdc
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=ae75fdc50acbdcf5bfda6c3151c537f2ab8ce637
commit ae75fdc50acbdcf5bfda6c3151c537f2ab8ce637
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Tue Mar 10 09:38:54 2015 -0400
powerpc: Fix incorrect results for pow when using FMA
This patch adds no FMA generation for e_pow to avoid precision issues
for powerpc. This fixes BZ#18104.
diff --git a/ChangeLog b/ChangeLog
index a7b9df1..f856a8a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-10 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * sysdeps/ieee754/dbl-64/Makefile (CFLAGS-e_pow.c): Add
+ $(config-cflags-nofma).
+
2015-02-23 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #16618]
diff --git a/NEWS b/NEWS
index 4f7d68f..60ece7d 100644
--- a/NEWS
+++ b/NEWS
@@ -9,7 +9,7 @@ Version 2.20.1
* The following bugs are resolved with this release:
- 16617, 16618, 17266, 17370, 17371, 17625, 17630.
+ 16617, 16618, 17266, 17370, 17371, 17625, 17630, 18104.
* Added support for TSX lock elision of pthread mutexes on powerpc32, powerpc64
and powerpc64le. This may improve lock scaling of existing programs on
diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile
index 35f545f..5557c75 100644
--- a/sysdeps/ieee754/dbl-64/Makefile
+++ b/sysdeps/ieee754/dbl-64/Makefile
@@ -2,4 +2,5 @@ ifeq ($(subdir),math)
# branred depends on precise IEEE double rounding
CFLAGS-branred.c = $(config-cflags-nofma)
CFLAGS-e_sqrt.c = $(config-cflags-nofma)
+CFLAGS-e_pow.c = $(config-cflags-nofma)
endif
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
NEWS | 2 +-
sysdeps/ieee754/dbl-64/Makefile | 1 +
3 files changed, 7 insertions(+), 1 deletions(-)
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