vect.exp: Skip PowerPC targets not supporting -maltivec.

	* g++.dg/vect/vect.exp: Skip PowerPC targets not supporting
	-maltivec.
	* gcc.target/powerpc/altivec-20.c: Use powerpc_altivec_ok.

From-SVN: r120401

gcc/testsuite/ChangeLog

+2007-01-03  Joseph Myers  <joseph@codesourcery.com>
+
+	* g++.dg/vect/vect.exp: Skip PowerPC targets not supporting
+	-maltivec.
+	* gcc.target/powerpc/altivec-20.c: Use powerpc_altivec_ok.
+
 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/30286

gcc/testsuite/g++.dg/vect/vect.exp

@@ -46,7 +46,10 @@ lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" \
 # code.  Set additional target-dependent vector flags, which can be
 # overridden by using dg-options in individual tests.
 if [istarget "powerpc*-*-*"] {
-    # If there are powerpc targets to skip, do it here.
+    # Skip targets not supporting -maltivec.
+    if ![is-effective-target powerpc_altivec_ok] {
+	return
+    }
 
     lappend DEFAULT_VECTCFLAGS "-maltivec"
     if [check_vmx_hw_available] {

gcc/testsuite/gcc.target/powerpc/altivec-20.c

-/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-do compile { target powerpc_altivec_ok } } */
 /* { dg-options "-maltivec -mcpu=G5 -O2" } */
 
 #include <altivec.h>