+2003-03-20 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md (a peephole2): New.
+
2003-03-20 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md (*addsi3_and_r_1): New.
"operands[2] = gen_lowpart (QImode, operands[0]);
operands[3] = gen_lowpart (QImode, operands[1]);")
+(define_peephole2
+ [(set (match_operand:SI 0 "register_operand" "")
+ (match_operand:SI 1 "general_operand" ""))
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_operand:SI 2 "const_int_qi_operand" "")))]
+ "(TARGET_H8300H || TARGET_H8300S)
+ && !reg_overlap_mentioned_p (operands[0], operands[1])
+ && !(GET_CODE (operands[1]) == MEM && MEM_VOLATILE_P (operands[1]))"
+ [(set (match_dup 0)
+ (const_int 0))
+ (set (strict_low_part (match_dup 3))
+ (match_dup 4))
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_dup 5)))]
+ "operands[3] = gen_lowpart (QImode, operands[0]);
+ operands[4] = gen_lowpart (QImode, operands[1]);
+ operands[5] = GEN_INT (~0xff | INTVAL (operands[2]));")
+
(define_peephole2
[(set (match_operand:SI 0 "register_operand" "")
(match_operand:SI 1 "memory_operand" ""))