re PR target/14063 (conditional around vec_dss() call disappears at -O2)

2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>

        PR target/14063
        * config/rs6000/altivec.md (altivec_dssall):
        Change to unspec_volatile.
        (altivec_dss): Likewise.

From-SVN: r81694

gcc/ChangeLog

+2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>
+
+	PR target/14063
+	* config/rs6000/altivec.md (altivec_dssall):
+	Change to unspec_volatile.
+	(altivec_dss): Likewise.
+
 2004-05-10  Aldy Hernandez  <aldyh@redhat.com>
 
 	* config/rs6000/altivec.md ("one_cmplv16qi2"): Change vnot to

gcc/config/rs6000/altivec.md

@@ -1823,13 +1823,13 @@
   [(set_attr "type" "vecsimple")])
 
 (define_insn "altivec_dssall"
-  [(unspec [(const_int 0)] 188)]
+  [(unspec_volatile [(const_int 0)] 188)]
   "TARGET_ALTIVEC"
   "dssall"
   [(set_attr "type" "vecsimple")])
 
 (define_insn "altivec_dss"
-  [(unspec [(match_operand:QI 0 "immediate_operand" "i")] 189)]
+  [(unspec_volatile [(match_operand:QI 0 "immediate_operand" "i")] 189)]
   "TARGET_ALTIVEC"
   "dss %0"
   [(set_attr "type" "vecsimple")])