s390.md (cmpstr_64/31): Mark whole input registers as used.

* config/s390/s390.md (cmpstr_64/31): Mark whole
  input registers as used.

From-SVN: r53990

gcc/ChangeLog

+2002-05-29  Hartmut Penner  <hpenner@de.ibm.com>
+
+	* config/s390/s390.md (cmpstr_64/31): Mark whole
+	input registers as used. 
+
 2002-05-28  Richard Henderson  <rth@redhat.com>
 
 	* config/i386/i386.c (ix86_save_reg): Examine regs_ever_live,

gcc/config/s390/s390.md

@@ -2152,7 +2152,9 @@
    (clobber (match_operand:TI 1 "register_operand" "=d"))
    (set (reg:CCS 33)
         (compare:CCS (mem:BLK (subreg:DI (match_operand:TI 2 "register_operand" "0") 0))
-                     (mem:BLK (subreg:DI (match_operand:TI 3 "register_operand" "1") 0))))]
+                     (mem:BLK (subreg:DI (match_operand:TI 3 "register_operand" "1") 0))))
+   (use (match_dup 2))
+   (use (match_dup 3))]
   "TARGET_64BIT"
   "clcl\\t%0,%1"
   [(set_attr "op_type" "RR")
@@ -2164,7 +2166,9 @@
    (clobber (match_operand:DI 1 "register_operand" "=d"))
    (set (reg:CCS 33)
         (compare:CCS (mem:BLK (subreg:SI (match_operand:DI 2 "register_operand" "0") 0))
-                     (mem:BLK (subreg:SI (match_operand:DI 3 "register_operand" "1") 0))))]
+                     (mem:BLK (subreg:SI (match_operand:DI 3 "register_operand" "1") 0))))
+   (use (match_dup 2))
+   (use (match_dup 3))]
   "!TARGET_64BIT"
   "clcl\\t%0,%1"
   [(set_attr "op_type" "RR")