h8300.md (an anonymous pattern): Give an internal name *tst_extzv_bitqi_1_n.

	* config/h8300/h8300.md (an anonymous pattern): Give an
	internal name *tst_extzv_bitqi_1_n.
	Accept bit_operand instead of bit_memory_operand.
	Do not accept bit tests with the MSB.
	(*tst_extzv_memqi_1_n): New.

From-SVN: r59636

gcc/ChangeLog

+2002-11-29  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.md (an anonymous pattern): Give an
+	internal name *tst_extzv_bitqi_1_n.
+	Accept bit_operand instead of bit_memory_operand.
+	Do not accept bit tests with the MSB.
+	(*tst_extzv_memqi_1_n): New.
+
 2002-11-28  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.c (h8300_eightbit_constant_address_p):

gcc/config/h8300/h8300.md

@@ -580,15 +580,33 @@
   [(set_attr "length" "2")
    (set_attr "cc" "set_zn")])
 
-(define_insn ""
-  [(set (cc0) (zero_extract:SI (match_operand:QI 0 "bit_memory_operand" "r,U")
+(define_insn "*tst_extzv_bitqi_1_n"
+  [(set (cc0) (zero_extract:SI (match_operand:QI 0 "bit_operand" "r,U")
 			       (const_int 1)
 			       (match_operand 1 "const_int_operand" "n,n")))]
-  "TARGET_H8300H || TARGET_H8300S"
+  "(TARGET_H8300H || TARGET_H8300S)
+   && INTVAL (operands[1]) != 7"
   "btst	%Z1,%Y0"
   [(set_attr "length" "2,8")
    (set_attr "cc" "set_zn,set_zn")])
 
+(define_insn_and_split "*tst_extzv_memqi_1_n"
+  [(set (cc0) (zero_extract:SI (match_operand:QI 0 "memory_operand" "m")
+			       (const_int 1)
+			       (match_operand 1 "const_int_operand" "n")))
+   (clobber (match_scratch:QI 2 "=&r"))]
+  "(TARGET_H8300H || TARGET_H8300S)
+   && !EXTRA_CONSTRAINT (operands[0], 'U')
+   && INTVAL (operands[1]) != 7"
+  "#"
+  "&& reload_completed"
+  [(set (match_dup 2)
+	(match_dup 0))
+   (set (cc0) (zero_extract:SI (match_dup 2)
+			       (const_int 1)
+			       (match_dup 1)))]
+  "")
+
 (define_insn ""
   [(set (cc0) (zero_extract:SI (match_operand:SI 0 "register_operand" "r")
 			       (const_int 1)