re PR target/31635 (-mno-vrsave ignored on ppc64)

	PR target/31635
	* config/rs6000/rs6000.c (rs6000_handle_option): Handle
	OPT_mvrsave.

From-SVN: r145332

gcc/ChangeLog

+2009-03-31  Ben Elliston  <bje@au.ibm.com>
+
+	PR target/31635
+	* config/rs6000/rs6000.c (rs6000_handle_option): Handle
+	OPT_mvrsave.
+
 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
 
 	* doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.

gcc/config/rs6000/rs6000.c

@@ -2326,6 +2326,11 @@ rs6000_handle_option (size_t code, const char *arg, int value)
       rs6000_explicit_options.aix_struct_ret = true;
       break;
 
+    case OPT_mvrsave:
+      rs6000_explicit_options.vrsave = true;
+      TARGET_ALTIVEC_VRSAVE = value;
+      break;
+
     case OPT_mvrsave_:
       rs6000_explicit_options.vrsave = true;
       rs6000_parse_yes_no_option ("vrsave", arg, &(TARGET_ALTIVEC_VRSAVE));