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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2015-03-10 09:38:54 -0400
committerTulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>2015-03-10 13:16:26 -0300
commitcd09e62308b410bba8ac98dc6f5a9438b8e16dac (patch)
tree61f71b657397b1759a71ab6c4ec9ed83af7adf36
parentb5faf032c4c6a2260a9a93d8d4df611caa8b54cc (diff)
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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.
-rw-r--r--ChangeLog5
-rw-r--r--NEWS2
-rw-r--r--sysdeps/ieee754/dbl-64/Makefile1
3 files changed, 7 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 7d203366c9..9533b240af 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
+ $(config-cflags-nofma).
+
2015-02-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #16618]
diff --git a/NEWS b/NEWS
index 5dba8c893e..98d764af66 100644
--- a/NEWS
+++ b/NEWS
@@ -11,7 +11,7 @@ Version 2.19.1
16545, 16617, 16618, 16683, 16689, 16701, 16706, 16707, 16739, 16815,
16619, 16740, 17031, 17048, 17137, 17153, 17187, 17213, 17325, 17625,
- 17630.
+ 17630, 18104.
* CVE-2104-7817 The wordexp function could ignore the WRDE_NOCMD flag
under certain input conditions resulting in the execution of a shell for
diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile
index 35f545ff8e..5557c75b45 100644
--- a/sysdeps/ieee754/dbl-64/Makefile
+++ b/sysdeps/ieee754/dbl-64/Makefile
@@ -2,4 +2,5 @@ ifeq ($(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