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comparison gcc/config/mep/constraints.md @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
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52:c156f1bd5cd9 55:77e2b8dfacca
1 ;; Toshiba Media Processor Machine constraints
2 ;; Copyright (C) 2009 Free Software Foundation, Inc.
3 ;; Contributed by Red Hat Inc.
4 ;;
5 ;; This file is part of GCC.
6 ;;
7 ;; GCC is free software; you can redistribute it and/or modify it
8 ;; under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation; either version 3, or (at your option)
10 ;; any later version.
11 ;;
12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 ;; License for more details.
16 ;;
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GCC; see the file COPYING3. If not see
19 ;; <http://www.gnu.org/licenses/>. */
20
21
22
23 (define_register_constraint "a" "SP_REGS"
24 "The $sp register.")
25
26 (define_register_constraint "b" "TP_REGS"
27 "The $tp register.")
28
29 (define_register_constraint "c" "CONTROL_REGS"
30 "Any control register.")
31
32 (define_register_constraint "d" "HILO_REGS"
33 "Either the $hi or the $lo register.")
34
35 (define_register_constraint "em" "LOADABLE_CR_REGS"
36 "Coprocessor registers that can be directly loaded ($c0-$c15).")
37
38 (define_register_constraint "ex" "mep_have_copro_copro_moves_p ? CR_REGS : NO_REGS"
39 "Coprocessor registers that can be moved to each other.")
40
41 (define_register_constraint "er" "mep_have_core_copro_moves_p ? CR_REGS : NO_REGS"
42 "Coprocessor registers that can be moved to core registers.")
43
44 (define_register_constraint "h" "HI_REGS"
45 "The $hi register.")
46
47 (define_register_constraint "j" "RPC_REGS"
48 "The $rpc register.")
49
50 (define_register_constraint "l" "LO_REGS"
51 "The $lo register.")
52
53 (define_register_constraint "t" "TPREL_REGS"
54 "Registers which can be used in $tp-relative addressing.")
55
56 (define_register_constraint "v" "GP_REGS"
57 "The $gp register.")
58
59 (define_register_constraint "x" "CR_REGS"
60 "The coprocessor registers.")
61
62 (define_register_constraint "y" "CCR_REGS"
63 "The coprocessor control registers.")
64
65 (define_register_constraint "z" "R0_REGS"
66 "The $0 register.")
67
68 (define_register_constraint "A" "USER0_REGS"
69 "User-defined register set A.")
70
71 (define_register_constraint "B" "USER1_REGS"
72 "User-defined register set B.")
73
74 (define_register_constraint "C" "USER2_REGS"
75 "User-defined register set C.")
76
77 (define_register_constraint "D" "USER3_REGS"
78 "User-defined register set D.")
79
80
81
82 (define_constraint "I"
83 "Offsets for $gp-rel addressing."
84 (and (match_code "const_int")
85 (match_test "ival >= -32768 && ival < 32768")))
86
87 (define_constraint "J"
88 "Constants that can be used directly with boolean insns."
89 (and (match_code "const_int")
90 (match_test "ival >= 0 && ival < 65536")))
91
92 (define_constraint "K"
93 "Constants that can be moved directly to registers."
94 (and (match_code "const_int")
95 (match_test "ival >= 0 && ival < 0x01000000")))
96
97 (define_constraint "L"
98 "Small constants that can be added to registers."
99 (and (match_code "const_int")
100 (match_test "ival >= -32 && ival < 32")))
101
102 (define_constraint "M"
103 "Long shift counts."
104 (and (match_code "const_int")
105 (match_test "ival >= 0 && ival < 32")))
106
107 (define_constraint "N"
108 "Small constants that can be compared to registers."
109 (and (match_code "const_int")
110 (match_test "ival >= 0 && ival < 16")))
111
112 (define_constraint "O"
113 "Constants that can be loaded into the top half of registers."
114 (and (match_code "const_int")
115 (match_test "!(ival & 0xffff) && ival >= -2147483647-1 && ival <= 2147483647")))
116
117 (define_constraint "S"
118 "Signed 8-bit immediates."
119 (and (match_code "const_int")
120 (match_test "ival >= -128 && ival < 127")))
121
122
123
124 ;; This must only be used with mep_call_address_operand() as the predicate.
125 (define_constraint "R"
126 "@internal
127 Near symbols that can be used as addresses for CALL."
128 (not (match_code "reg")))
129
130 (define_constraint "T"
131 "Symbols encoded for $tp-rel or $gp-rel addressing."
132 (ior (ior
133 (and (match_code "unspec")
134 (match_code "symbol_ref" "a"))
135 (and (match_code "const")
136 (and (match_code "unspec" "0")
137 (match_code "symbol_ref" "0a"))))
138 (and (match_code "const")
139 (and (match_code "plus" "0")
140 (and (match_code "unspec" "00")
141 (match_code "symbol_ref" "00a"))))))
142
143 (define_constraint "U"
144 "Non-constant addresses for loading/saving coprocessor registers."
145 (and (match_code "mem")
146 (match_test "! CONSTANT_P (XEXP (op, 0))")))
147
148 (define_constraint "W"
149 "The top half of a symbol's value."
150 (and (match_code "high")
151 (match_code "symbol_ref" "0")))
152
153 (define_constraint "Y"
154 "A register indirect address without offset."
155 (and (match_code "mem")
156 (match_code "reg" "0")))
157
158 (define_constraint "Z"
159 "Symbolic references to the control bus."
160 (and (and (match_code "mem")
161 (match_code "symbol_ref" "0"))
162 (match_test "mep_section_tag (op) == 'c'")))