[PATCH] add -mvsx to pr92923-1.c test requiring vsx

[will schmidt]

Hi,
  The existing testcase pr92923-1.c uses vector long long, and thus
  requires vsx.
  OK for master?

Thanks,
-Will
    
[testsuite]
        * testsuite/gcc.target/powerpc/pr92923-1.c: Add -mvsx.


diff --git a/gcc/testsuite/gcc.target/powerpc/pr92923-1.c 
b/gcc/testsuite/gcc.target/powerpc/pr92923-1.c
index f901244..262f1a1 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr92923-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr92923-1.c
@@ -1,8 +1,8 @@
 /* { dg-do compile } */
-/* { dg-require-effective-target powerpc_altivec_ok } */
-/* { dg-options "-maltivec -O2 -fdump-tree-gimple" } */
+/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-options "-mvsx -O2 -fdump-tree-gimple" } */
 
 /* Verify that overloaded built-ins for "and", "andc", "nor", "or" and "xor"
    do not produce VIEW_CONVERT_EXPR operations on their operands.  Like so:
 
   _1 = VIEW_CONVERT_EXPR<__vector signed int>(x);