From: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Tue, 10 Mar 2015 13:38:54 +0000 (-0400)
Subject: powerpc: Fix incorrect results for pow when using FMA
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a33fd93601cae52dd1c53f92240e11b25b053e18;p=thirdparty%2Fglibc.git

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 b0b9debca09..249dbedf706 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).
+
 2015-02-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
 
 	[BZ #16618]
diff --git a/NEWS b/NEWS
index 754ac0a7e48..31222907311 100644
--- a/NEWS
+++ b/NEWS
@@ -12,7 +12,7 @@ Version 2.18.1
   14143, 14155, 14547, 14699, 15532, 15427, 15522, 15680, 15723, 15734,
   15735, 15797, 15892, 15895, 15909, 15915, 15917, 15996, 16072, 16150,
   16414, 16430, 16431, 16617, 16618, 17048, 17137, 17187, 17325, 17625,
-  17630.
+  17630, 18104.
 
 * Support for powerpc64le has been added.
 
diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile
index 1a7b31158d1..969c2afbd91 100644
--- a/sysdeps/ieee754/dbl-64/Makefile
+++ b/sysdeps/ieee754/dbl-64/Makefile
@@ -1,4 +1,5 @@
 ifeq ($(subdir),math)
 # branred depends on precise IEEE double rounding
 CFLAGS-branred.c = $(config-cflags-nofma)
+CFLAGS-e_pow.c = $(config-cflags-nofma)
 endif