rs6000.md ("altivec_mtvscr"): Change to unspec_volatile.

2002-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to
        unspec_volatile.
        ("altivec_mfvscr"): Same.

From-SVN: r53246

gcc/ChangeLog

+2002-05-06  Aldy Hernandez  <aldyh@redhat.com>
+
+        * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to
+        unspec_volatile.
+        ("altivec_mfvscr"): Same.
+
 2002-05-06  Janis Johnson  <janis187@us.ibm.com>
 
 	* rtl.h (struct rtx_def): Update comments.

gcc/config/rs6000/rs6000.md

@@ -15493,14 +15493,14 @@
 [(set_attr "type" "veccmp")])
 
 (define_insn "altivec_mtvscr"
-  [(unspec [(match_operand:V4SI 0 "register_operand" "v")] 186)]
+  [(unspec_volatile [(match_operand:V4SI 0 "register_operand" "v")] 186)]
   "TARGET_ALTIVEC"
   "mtvscr %0"
   [(set_attr "type" "vecsimple")])
 
 (define_insn "altivec_mfvscr"
   [(set (match_operand:V8HI 0 "register_operand" "=v")
-	(unspec:V8HI [(const_int 0)] 187))]
+	(unspec_volatile:V8HI [(const_int 0)] 187))]
   "TARGET_ALTIVEC"
   "mfvscr %0"
   [(set_attr "type" "vecsimple")])