+2003-02-21 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md (a peephole2): New.
+
Fri Feb 21 11:05:44 CET 2003 Jan Hubicka <jh@suse.cz>
* cfgrtl.c (commit_one_edge_insertion): Only mark BB for splitting.
(pc)))]
"operands[4] = gen_rtx_REG (HImode, REGNO (operands[0]));
operands[5] = GEN_INT (trunc_int_for_mode (INTVAL (operands[1]), HImode));")
+
+(define_peephole2
+ [(set (match_operand:SI 0 "register_operand" "")
+ (and:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_qi_operand" "")))
+ (set (match_dup 0)
+ (xor:SI (match_dup 0)
+ (match_operand:SI 2 "const_int_qi_operand" "")))
+ (set (cc0)
+ (match_dup 0))
+ (set (pc)
+ (if_then_else (match_operator 4 "eqne_operator"
+ [(cc0) (const_int 0)])
+ (label_ref (match_operand 3 "" ""))
+ (pc)))]
+ "peep2_reg_dead_p (3, operands[0])
+ && (~INTVAL (operands[1]) & INTVAL (operands[2])) == 0"
+ [(set (match_dup 5)
+ (and:QI (match_dup 5)
+ (match_dup 6)))
+ (set (match_dup 5)
+ (xor:QI (match_dup 5)
+ (match_dup 7)))
+ (set (cc0)
+ (match_dup 5))
+ (set (pc)
+ (if_then_else (match_op_dup 4 [(cc0) (const_int 0)])
+ (label_ref (match_dup 3))
+ (pc)))]
+ "operands[5] = gen_rtx_REG (QImode, REGNO (operands[0]));
+ operands[6] = GEN_INT (trunc_int_for_mode (INTVAL (operands[1]), QImode));
+ operands[7] = GEN_INT (trunc_int_for_mode (INTVAL (operands[2]), QImode));")