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comparison gcc/config/m68k/constraints.md @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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-1:000000000000 0:a06113de4d67
1 ;; Constraint definitions for m68k
2 ;; Copyright (C) 2007 Free Software Foundation, Inc.
3
4 ;; This file is part of GCC.
5
6 ;; GCC is free software; you can redistribute it and/or modify it
7 ;; under the terms of the GNU General Public License as published
8 ;; by the Free Software Foundation; either version 3, or (at your
9 ;; option) any later version.
10
11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 ;; License for more details.
15
16 ;; You should have received a copy of the GNU General Public License
17 ;; along with GCC; see the file COPYING3. If not see
18 ;; <http://www.gnu.org/licenses/>.
19
20 (define_register_constraint "a" "ADDR_REGS"
21 "Address register.")
22
23 (define_register_constraint "d" "DATA_REGS"
24 "Data register.")
25
26 (define_register_constraint "f" "TARGET_HARD_FLOAT ? FP_REGS : NO_REGS"
27 "Floating point register.")
28
29 (define_constraint "I"
30 "Integer constant in the range 1 @dots 8, for immediate shift counts and addq."
31 (and (match_code "const_int")
32 (match_test "ival > 0 && ival <= 8")))
33
34 (define_constraint "J"
35 "Signed 16-bit integer constant."
36 (and (match_code "const_int")
37 (match_test "ival >= -0x8000 && ival <= 0x7fff")))
38
39 (define_constraint "K"
40 "Integer constant that moveq can't handle."
41 (and (match_code "const_int")
42 (match_test "ival < -0x80 || ival >= 0x80")))
43
44 (define_constraint "L"
45 "Integer constant in the range -8 @dots -1, for subq."
46 (and (match_code "const_int")
47 (match_test "ival < 0 && ival >= -8")))
48
49 (define_constraint "M"
50 "Integer constant that moveq+notb can't handle."
51 (and (match_code "const_int")
52 (match_test "ival < -0x100 || ival >= 0x100")))
53
54 (define_constraint "N"
55 "Integer constant in the range 24 @dots 31, for rotatert:SI 8 to 1 expressed as rotate."
56 (and (match_code "const_int")
57 (match_test "ival >= 24 && ival <= 31")))
58
59 (define_constraint "O"
60 "Integer constant 16, for rotate using swap."
61 (and (match_code "const_int")
62 (match_test "ival == 16")))
63
64 (define_constraint "P"
65 "Integer constant in the range 8 @dots 15, for rotatert:HI 8 to 1 expressed as rotate."
66 (and (match_code "const_int")
67 (match_test "ival >= 8 && ival <= 15")))
68
69 (define_constraint "R"
70 "Integer constant that mov3q can handle."
71 (and (match_code "const_int")
72 (match_test "valid_mov3q_const (ival)")))
73
74 (define_constraint "G"
75 "Defines all of the floating constants that are *NOT* 68881
76 constants. This is so 68881 constants get reloaded and the fpmovecr
77 is used."
78 (and (match_code "const_double")
79 (match_test "!(TARGET_68881 && standard_68881_constant_p (op))")))
80
81 (define_constraint "S"
82 "Used for operands that satisfy 'm' when -mpcrel is in effect."
83 (and (match_code "mem")
84 (match_test "TARGET_PCREL
85 && (GET_CODE (XEXP (op, 0)) == SYMBOL_REF
86 || GET_CODE (XEXP (op, 0)) == LABEL_REF
87 || GET_CODE (XEXP (op, 0)) == CONST)")))
88
89 (define_constraint "T"
90 "Used for operands that satisfy 's' when -mpcrel is not in effect."
91 (and (match_code "symbol_ref,label_ref,const")
92 (match_test "!flag_pic")))
93
94 (define_memory_constraint "Q"
95 "Means address register indirect addressing mode."
96 (and (match_code "mem")
97 (match_test "m68k_matches_q_p (op)")))
98
99 (define_constraint "U"
100 "Used for register offset addressing."
101 (and (match_code "mem")
102 (match_test "m68k_matches_u_p (op)")))
103
104 (define_constraint "W"
105 "Used for const_call_operands."
106 (match_operand 0 "const_call_operand"))
107
108 (define_constraint "Cs"
109 "symbol_ref or const."
110 (match_code "symbol_ref,const"))
111
112 (define_constraint "Ci"
113 "const_int."
114 (and (match_code "const_int")
115 (match_test "true")))
116
117 (define_constraint "C0"
118 "const_int 0."
119 (and (match_code "const_int")
120 (match_test "ival == 0")))
121
122 (define_constraint "Cj"
123 "Range of signed numbers that don't fit in 16 bits."
124 (and (match_code "const_int")
125 (match_test "ival < -0x8000 || ival > 0x7FFF")))
126
127 (define_constraint "CQ"
128 "Integers valid for mvq."
129 (and (match_code "const_int")
130 (match_test "m68k_const_method (ival) == MOVQ")))
131
132 (define_constraint "CW"
133 "Integers valid for a moveq followed by a swap."
134 (and (match_code "const_int")
135 (match_test "m68k_const_method (ival) == SWAP")))
136
137 (define_constraint "CZ"
138 "Integers valid for mvz."
139 (and (match_code "const_int")
140 (match_test "m68k_const_method (ival) == MVZ")))
141
142 (define_constraint "CS"
143 "Integers valid for mvs."
144 (and (match_code "const_int")
145 (match_test "m68k_const_method (ival) == MVS")))
146
147 (define_constraint "Ap"
148 "push_operand."
149 (match_operand 0 "push_operand"))
150
151 (define_constraint "Ac"
152 "Non-register operands allowed in clr."
153 (and (match_operand 0 "movsi_const0_operand")
154 (match_test "!REG_P (op)")))