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Mark ZERO inputs to __mul as unlikely on powerpc

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Syncs up with generic code.
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Siddhesh Poyarekar 2013-02-21 12:17:29 +05:30
parent 97ccb9d55a
commit 4c7a4263af
3 changed files with 9 additions and 2 deletions
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7
ChangeLog
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@ -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):

2
sysdeps/powerpc/powerpc32/power4/fpu/mpa.c
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@ -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;

2
sysdeps/powerpc/powerpc64/power4/fpu/mpa.c
View File

@ -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;