h8300.h (OK_FOR_T): Remove.

2001-06-13  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.h (OK_FOR_T): Remove.
	(EXTRA_CONSTRAINT): Do not use OK_FOR_T.
	* config/h8300/h8300.md: Remove alternatives involving inc and dec
	in the helper patterns for addhi3 and addsi3.

From-SVN: r43329

gcc/ChangeLog

+2001-06-13  Kazu Hirata  <kazu@hxi.com>
+
+	* config/h8300/h8300.h (OK_FOR_T): Remove.
+	(EXTRA_CONSTRAINT): Do not use OK_FOR_T.
+	* config/h8300/h8300.md: Remove alternatives involving inc and dec
+	in the helper patterns for addhi3 and addsi3.
+
 2001-06-13  Phil Edwards  <pme@sources.redhat.com>
 
 	* doc/contrib.texi:  Link to libstdc++'s thanks.html for now.

gcc/config/h8300/h8300.h

@@ -846,12 +846,6 @@ struct cum_arg
 
 /* Extra constraints.  */
 
-/* 'T' if valid for dec.[wl] on H8/300H and H8/S.  Note that, for
-   inc.[wl], we can use 'K', which has already been defined.  */
-#define OK_FOR_T(OP)				\
-  (GET_CODE (OP) == CONST_INT			\
-   && (INTVAL (OP) == -1 || INTVAL (OP) == -2))
-
 /* Nonzero if X is a constant address suitable as an 8-bit absolute on
    the H8/300H, which is a special case of the 'R' operand.  */
 
@@ -881,8 +875,7 @@ struct cum_arg
        && GET_CODE (XEXP (OP, 0)) == CONST_INT))
 
 #define EXTRA_CONSTRAINT(OP, C)			\
-  ((C) == 'T' ? OK_FOR_T (OP) :			\
-   (C) == 'U' ? OK_FOR_U (OP) :			\
+  ((C) == 'U' ? OK_FOR_U (OP) :			\
    0)
 
 /* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression

gcc/config/h8300/h8300.md

@@ -628,19 +628,17 @@
    (set_attr "cc" "none_0hit,none_0hit,clobber,set_zn,set_zn")])
 
 (define_insn ""
-  [(set (match_operand:HI 0 "register_operand" "=r,r,r,r,r,r")
-	(plus:HI (match_operand:HI 1 "register_operand" "%0,0,0,0,0,0")
-		 (match_operand:HI 2 "nonmemory_operand" "K,T,L,N,n,r")))]
+  [(set (match_operand:HI 0 "register_operand" "=r,r,r,r")
+	(plus:HI (match_operand:HI 1 "register_operand" "%0,0,0,0")
+		 (match_operand:HI 2 "nonmemory_operand" "L,N,n,r")))]
   "TARGET_H8300H || TARGET_H8300S"
   "@
-   inc.w	%2,%T0
-   dec.w	%G2,%T0
    adds	%2,%A0
    subs	%G2,%A0
    add.w	%T2,%T0
    add.w	%T2,%T0"
-  [(set_attr "length" "2,2,2,2,4,2")
-   (set_attr "cc" "set_znv,set_znv,none_0hit,none_0hit,set_zn,set_zn")])
+  [(set_attr "length" "2,2,4,2")
+   (set_attr "cc" "none_0hit,none_0hit,set_zn,set_zn")])
 
 (define_split
   [(set (match_operand:HI 0 "register_operand" "")
@@ -670,19 +668,17 @@
    (set_attr "cc" "clobber")])
 
 (define_insn "addsi_h8300h"
-  [(set (match_operand:SI 0 "register_operand" "=r,r,r,r,r,r")
-	(plus:SI (match_operand:SI 1 "register_operand" "%0,0,0,0,0,0")
-		 (match_operand:SI 2 "nonmemory_operand" "K,T,L,N,i,r")))]
+  [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
+	(plus:SI (match_operand:SI 1 "register_operand" "%0,0,0,0")
+		 (match_operand:SI 2 "nonmemory_operand" "L,N,i,r")))]
   "TARGET_H8300H || TARGET_H8300S"
   "@
-   inc.l	%2,%S0
-   dec.l	%G2,%S0
    adds	%2,%A0
    subs	%G2,%A0
    add.l	%S2,%S0
    add.l	%S2,%S0"
-  [(set_attr "length" "2,2,2,2,6,2")
-   (set_attr "cc" "set_znv,set_znv,none_0hit,none_0hit,set_zn,set_zn")])
+  [(set_attr "length" "2,2,6,2")
+   (set_attr "cc" "none_0hit,none_0hit,set_zn,set_zn")])
 
 (define_split
   [(set (match_operand:SI 0 "register_operand" "")