Un-break configure check for VSX (a POWER7 extension).  Fixes #271042.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11699 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 4543e00..667064e 100644
--- a/configure.in
+++ b/configure.in
@@ -986,7 +986,7 @@
 #include <altivec.h>
 ], [
   vector unsigned int v;
-  __asm__ __volatile__("xsmaddadp %vs32, %vs32, %vs33" ::: "memory","cc");
+  __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
 ],
 [
 ac_have_vsx=yes