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h8300.c (two_insn_adds_subs_operand): Fix a typo. 

* h8300.c (two_insn_adds_subs_operand): Fix a typo.
        * h8300.h (OK_FOR_T): New.
        (EXTRA_CONSTRAINT): Support OK_FOR_T.
        * h8300.md: Use inc/dec.[wl] for increment/decrement
        by 1 and 2 in HI and SI modes.

From-SVN: r35155
This commit is contained in:
Kazu Hirata 2000-07-20 21:34:07 +00:00 committed by Jeff Law
parent 591eb4baa8
commit c59ff527c5
4 changed files with 38 additions and 16 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2000-07-20 Kazu Hirata <kazu@hxi.com>
* h8300.c (two_insn_adds_subs_operand): Fix a typo.
* h8300.h (OK_FOR_T): New.
(EXTRA_CONSTRAINT): Support OK_FOR_T.
* h8300.md: Use inc/dec.[wl] for increment/decrement
by 1 and 2 in HI and SI modes.
2000-07-20 Jim Wilson <wilson@cygnus.com>
* config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values

2
gcc/config/h8300/h8300.c
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@ -648,7 +648,7 @@ two_insn_adds_subs_operand (op, mode)
/* A constant addition/subtraction takes 2 states in QImode,
4 states in HImode, and 6 states in SImode. Thus, the
only case we can win is when SImode is used, in which
case, two adds/subs is used, taking 4 states. */
case, two adds/subs are used, taking 4 states. */
if (mode == SImode
&& (value == 2 + 1
|| value == 4 + 1

20
gcc/config/h8300/h8300.h
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@ -828,9 +828,17 @@ struct cum_arg
#endif
/* Extra constraints - 'U' if for an operand valid for a bset
destination; i.e. a register, register indirect, or the
eightbit memory region (a SYMBOL_REF with an SYMBOL_REF_FLAG set).
/* 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))
/* 'U' if valid for a bset destination;
i.e. a register, register indirect, or the eightbit memory region
(a SYMBOL_REF with an SYMBOL_REF_FLAG set).
On the H8/S 'U' can also be a 16bit or 32bit absolute. */
#define OK_FOR_U(OP) \
@ -845,8 +853,10 @@ struct cum_arg
&& GET_CODE (XEXP (XEXP (XEXP (OP, 0), 0), 1)) == CONST_INT) \
&& (TARGET_H8300S || SYMBOL_REF_FLAG (XEXP (XEXP (OP, 0), 0)))))
#define EXTRA_CONSTRAINT(OP, C) \
((C) == 'U' ? OK_FOR_U (OP) : 0)
#define EXTRA_CONSTRAINT(OP, C) \
((C) == 'T' ? OK_FOR_T (OP) : \
(C) == 'U' ? OK_FOR_U (OP) : \
0)
/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
that is a valid memory address for an instruction.

24
gcc/config/h8300/h8300.md
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@ -629,17 +629,19 @@
(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")
(plus:HI (match_operand:HI 1 "register_operand" "%0,0,0,0")
(match_operand:HI 2 "nonmemory_operand" "L,N,n,r")))]
[(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")))]
"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" "2,2,4,2")
(set_attr "cc" "none_0hit,none_0hit,set_zn,set_zn")])
[(set_attr "length" "2,2,2,2,4,2")
(set_attr "cc" "set_znv,set_znv,none_0hit,none_0hit,set_zn,set_zn")])
(define_split
[(set (match_operand:HI 0 "register_operand" "")
@ -669,17 +671,19 @@
(set_attr "cc" "clobber")])
(define_insn "addsi_h8300h"
[(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")))]
[(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")))]
"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" "2,2,6,2")
(set_attr "cc" "none_0hit,none_0hit,set_zn,set_zn")])
[(set_attr "length" "2,2,2,2,6,2")
(set_attr "cc" "set_znv,set_znv,none_0hit,none_0hit,set_zn,set_zn")])
(define_split
[(set (match_operand:SI 0 "register_operand" "")