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GNU C Library master sources branch master updated. glibc-2.17-268-g4c7a426
- From: siddhesh at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 21 Feb 2013 06:47:35 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.17-268-g4c7a426
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=4c7a4263afe8304e127ae2888950f02c8bc9a9f9
commit 4c7a4263afe8304e127ae2888950f02c8bc9a9f9
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Thu Feb 21 12:17:29 2013 +0530
Mark ZERO inputs to __mul as unlikely on powerpc
Syncs up with generic code.
diff --git a/ChangeLog b/ChangeLog
index 5d2a885..fa98152 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2013-02-21 Siddhesh Poyarekar <siddhesh@redhat.com>
+
+ * sysdeps/powerpc/powerpc32/power4/fpu/mpa.c (__mul): Mark X
+ or Y being zero as being unlikely.
+ * sysdeps/powerpc/powerpc64/power4/fpu/mpa.c (__mul):
+ Likewise.
+
2013-02-20 Carlos O'Donell <carlos@redhat.com>
* manual/nss.texi (System Databases and Name Service Switch):
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/mpa.c b/sysdeps/powerpc/powerpc32/power4/fpu/mpa.c
index be357a6..f4500df 100644
--- a/sysdeps/powerpc/powerpc32/power4/fpu/mpa.c
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/mpa.c
@@ -599,7 +599,7 @@ __mul (const mp_no *x, const mp_no *y, mp_no *z, int p)
double u, zk, zk2;
/* Is z=0? */
- if (X[0] * Y[0] == ZERO)
+ if (__glibc_unlikely (X[0] * Y[0] == ZERO))
{
Z[0] = ZERO;
return;
diff --git a/sysdeps/powerpc/powerpc64/power4/fpu/mpa.c b/sysdeps/powerpc/powerpc64/power4/fpu/mpa.c
index be357a6..f4500df 100644
--- a/sysdeps/powerpc/powerpc64/power4/fpu/mpa.c
+++ b/sysdeps/powerpc/powerpc64/power4/fpu/mpa.c
@@ -599,7 +599,7 @@ __mul (const mp_no *x, const mp_no *y, mp_no *z, int p)
double u, zk, zk2;
/* Is z=0? */
- if (X[0] * Y[0] == ZERO)
+ if (__glibc_unlikely (X[0] * Y[0] == ZERO))
{
Z[0] = ZERO;
return;
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/powerpc/powerpc32/power4/fpu/mpa.c | 2 +-
sysdeps/powerpc/powerpc64/power4/fpu/mpa.c | 2 +-
3 files changed, 9 insertions(+), 2 deletions(-)
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