1 ;; Constraint definitions for FRV.
2 ;; Copyright (C) 2001-2014 Free Software Foundation, Inc.
4 ;; This file is part of GCC.
6 ;; GCC is free software; you can redistribute it and/or modify
7 ;; it under the terms of the GNU General Public License as published by
8 ;; the Free Software Foundation; either version 3, or (at your option)
11 ;; GCC is distributed in the hope that it will be useful,
12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;; GNU General Public License for more details.
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/>.
20 ;; Register constraints.
21 (define_register_constraint "a" "ACC_REGS"
24 (define_register_constraint "b" "EVEN_ACC_REGS"
27 (define_register_constraint "c" "CC_REGS"
30 (define_register_constraint "d" "GPR_REGS"
33 (define_register_constraint "e" "EVEN_REGS"
36 (define_register_constraint "f" "FPR_REGS"
39 (define_register_constraint "h" "FEVEN_REGS"
42 (define_register_constraint "l" "LR_REG"
45 (define_register_constraint "q" "QUAD_REGS"
48 (define_register_constraint "t" "ICC_REGS"
51 (define_register_constraint "u" "FCC_REGS"
54 (define_register_constraint "v" "ICR_REGS"
57 (define_register_constraint "w" "FCR_REGS"
60 (define_register_constraint "x" "QUAD_FPR_REGS"
63 (define_register_constraint "y" "LCR_REG"
66 (define_register_constraint "z" "SPR_REGS"
69 (define_register_constraint "A" "QUAD_ACC_REGS"
72 (define_register_constraint "B" "ACCG_REGS"
75 (define_register_constraint "C" "CR_REGS"
78 (define_register_constraint "D89" "GR89_REGS"
81 (define_register_constraint "D09" "GR9_REGS"
84 (define_register_constraint "D08" "GR8_REGS"
87 (define_register_constraint "D14" "FDPIC_FPTR_REGS"
90 (define_register_constraint "D15" "FDPIC_REGS"
93 (define_register_constraint "W" "FDPIC_CALL_REGS"
96 (define_register_constraint "Z" "FDPIC_REGS"
99 ;; Integer constraints.
100 (define_constraint "I"
101 "A signed 6-bit immediate."
102 (and (match_code "const_int")
103 (match_test "IN_RANGE (ival, -32, 31)")))
105 (define_constraint "J"
106 "A signed 10-bit immediate."
107 (and (match_code "const_int")
108 (match_test "IN_RANGE (ival, -512, 511)")))
110 (define_constraint "K"
113 (and (match_code "const_int")
116 (define_constraint "L"
117 "A signed 16-bit immediate."
118 (and (match_code "const_int")
119 (match_test "IN_RANGE (ival, -32768, 32767)")))
121 (define_constraint "M"
122 "An unsigned 16-bit immediate."
123 (and (match_code "const_int")
124 (match_test "IN_RANGE (ival, 0, 65535)")))
126 (define_constraint "N"
127 "A signed 12-bit immediate that is negative."
128 (and (match_code "const_int")
129 (match_test "IN_RANGE (ival, -2048, -1)")))
131 (define_constraint "O"
133 (and (match_code "const_int")
134 (match_test "ival == 0")))
136 (define_constraint "P"
137 "A signed 12-bit immediate that is positive."
138 (and (match_code "const_int")
139 (match_test "IN_RANGE (ival, 1, 2047)")))
141 ;; Floating-point constraints.
142 (define_constraint "G"
143 "Floating-point zero."
144 (and (match_code "const_double")
145 (ior (and (match_test "mode == VOIDmode")
146 (match_test "hval == 0 && lval == 0"))
147 (and (match_test "mode == SFmode || mode == DFmode")
148 (match_test "op == CONST0_RTX (mode)")))))
150 (define_constraint "H"
153 (and (match_code "const_double")
156 (define_constraint "Q"
157 "12-bit relocations."
158 (match_test "got12_operand (op, mode)"))
160 (define_memory_constraint "R"
161 "Double word memory ops that take one instruction."
162 (match_test "dbl_memory_one_insn_operand (op, mode)"))
164 (define_constraint "S"
166 (match_test "CONSTANT_P (op) && call_operand (op, VOIDmode)"))
168 (define_memory_constraint "T"
169 "Double word memory ops that take two instructions."
170 (match_test "dbl_memory_two_insn_operand (op, mode)"))
172 (define_memory_constraint "U"
173 "Memory operand for conditional execution."
174 (match_test "condexec_memory_operand (op, mode)"))