* config/h8300/h8300.md (a peephole2): Remove useless code.

From-SVN: r65039

gcc/ChangeLog

+2003-03-30  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.md (a peephole2): Remove useless code.
+
 2003-03-29  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.md (*iorsi3_and_ashift): New.

gcc/config/h8300/h8300.md

@@ -3934,6 +3934,9 @@
 		     (const_int 8)))]
   "")
 
+;; If a load of mem:SI is followed by an AND that turns off the upper
+;; half, then we can load mem:HI instead.
+
 (define_peephole2
   [(set (match_operand:SI 0 "register_operand" "")
 	(match_operand:SI 1 "memory_operand" ""))
@@ -3941,7 +3944,7 @@
 	(and:SI (match_dup 0)
 		(match_operand:SI 2 "const_int_operand" "")))]
   "(TARGET_H8300H || TARGET_H8300S)
-   && !(GET_CODE (operands[1]) == MEM && MEM_VOLATILE_P (operands[1]))
+   && !MEM_VOLATILE_P (operands[1])
    && (INTVAL (operands[2]) & ~0xffff) == 0
    && INTVAL (operands[2]) != 255"
   [(set (match_dup 3)