blob: 5aa2de69c157ee63e7e520328b61a39fd9124148 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
;; Toshiba Media Processor Machine constraints
;; Copyright (C) 2009 Free Software Foundation, Inc.
;; Contributed by Red Hat Inc.
;;
;; This file is part of GCC.
;;
;; GCC is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; GCC is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
;; License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING3. If not see
;; <http://www.gnu.org/licenses/>. */
(define_register_constraint "a" "SP_REGS"
"The $sp register.")
(define_register_constraint "b" "TP_REGS"
"The $tp register.")
(define_register_constraint "c" "CONTROL_REGS"
"Any control register.")
(define_register_constraint "d" "HILO_REGS"
"Either the $hi or the $lo register.")
(define_register_constraint "em" "LOADABLE_CR_REGS"
"Coprocessor registers that can be directly loaded ($c0-$c15).")
(define_register_constraint "ex" "mep_have_copro_copro_moves_p ? CR_REGS : NO_REGS"
"Coprocessor registers that can be moved to each other.")
(define_register_constraint "er" "mep_have_core_copro_moves_p ? CR_REGS : NO_REGS"
"Coprocessor registers that can be moved to core registers.")
(define_register_constraint "h" "HI_REGS"
"The $hi register.")
(define_register_constraint "j" "RPC_REGS"
"The $rpc register.")
(define_register_constraint "l" "LO_REGS"
"The $lo register.")
(define_register_constraint "t" "TPREL_REGS"
"Registers which can be used in $tp-relative addressing.")
(define_register_constraint "v" "GP_REGS"
"The $gp register.")
(define_register_constraint "x" "CR_REGS"
"The coprocessor registers.")
(define_register_constraint "y" "CCR_REGS"
"The coprocessor control registers.")
(define_register_constraint "z" "R0_REGS"
"The $0 register.")
(define_register_constraint "A" "USER0_REGS"
"User-defined register set A.")
(define_register_constraint "B" "USER1_REGS"
"User-defined register set B.")
(define_register_constraint "C" "USER2_REGS"
"User-defined register set C.")
(define_register_constraint "D" "USER3_REGS"
"User-defined register set D.")
(define_constraint "I"
"Offsets for $gp-rel addressing."
(and (match_code "const_int")
(match_test "ival >= -32768 && ival < 32768")))
(define_constraint "J"
"Constants that can be used directly with boolean insns."
(and (match_code "const_int")
(match_test "ival >= 0 && ival < 65536")))
(define_constraint "K"
"Constants that can be moved directly to registers."
(and (match_code "const_int")
(match_test "ival >= 0 && ival < 0x01000000")))
(define_constraint "L"
"Small constants that can be added to registers."
(and (match_code "const_int")
(match_test "ival >= -32 && ival < 32")))
(define_constraint "M"
"Long shift counts."
(and (match_code "const_int")
(match_test "ival >= 0 && ival < 32")))
(define_constraint "N"
"Small constants that can be compared to registers."
(and (match_code "const_int")
(match_test "ival >= 0 && ival < 16")))
(define_constraint "O"
"Constants that can be loaded into the top half of registers."
(and (match_code "const_int")
(match_test "!(ival & 0xffff) && ival >= -2147483647-1 && ival <= 2147483647")))
(define_constraint "S"
"Signed 8-bit immediates."
(and (match_code "const_int")
(match_test "ival >= -128 && ival < 127")))
;; This must only be used with mep_call_address_operand() as the predicate.
(define_constraint "R"
"@internal
Near symbols that can be used as addresses for CALL."
(not (match_code "reg")))
(define_constraint "T"
"Symbols encoded for $tp-rel or $gp-rel addressing."
(ior (ior
(and (match_code "unspec")
(match_code "symbol_ref" "a"))
(and (match_code "const")
(and (match_code "unspec" "0")
(match_code "symbol_ref" "0a"))))
(and (match_code "const")
(and (match_code "plus" "0")
(and (match_code "unspec" "00")
(match_code "symbol_ref" "00a"))))))
(define_constraint "U"
"Non-constant addresses for loading/saving coprocessor registers."
(and (match_code "mem")
(match_test "! CONSTANT_P (XEXP (op, 0))")))
(define_constraint "W"
"The top half of a symbol's value."
(and (match_code "high")
(match_code "symbol_ref" "0")))
(define_constraint "Y"
"A register indirect address without offset."
(and (match_code "mem")
(match_code "reg" "0")))
(define_constraint "Z"
"Symbolic references to the control bus."
(and (and (match_code "mem")
(match_code "symbol_ref" "0"))
(match_test "mep_section_tag (op) == 'c'")))
|
