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f6a83b4a | 1 | ;; Machine Description for TI MSP43* processors |
7adcbafe | 2 | ;; Copyright (C) 2013-2022 Free Software Foundation, Inc. |
f6a83b4a DD |
3 | ;; Contributed by Red Hat. |
4 | ||
5 | ;; This file is part of GCC. | |
6 | ||
7 | ;; GCC is free software; you can redistribute it and/or modify | |
8 | ;; it 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, | |
13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;; GNU General Public 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 | (define_register_constraint "R12" "R12_REGS" | |
22 | "Register R12.") | |
23 | ||
24 | (define_register_constraint "R13" "R13_REGS" | |
25 | "Register R13.") | |
26 | ||
27 | (define_constraint "K" | |
703e049a | 28 | "Integer constant 1-19." |
f6a83b4a | 29 | (and (match_code "const_int") |
703e049a | 30 | (match_test "IN_RANGE (ival, 1, 19)"))) |
f6a83b4a DD |
31 | |
32 | (define_constraint "L" | |
33 | "Integer constant -1^20..1^19." | |
34 | (and (match_code "const_int") | |
3ea7f8e5 | 35 | (match_test "IN_RANGE (ival, HOST_WIDE_INT_M1U << 20, 1 << 19)"))) |
f6a83b4a | 36 | |
703e049a | 37 | ;; Valid shift amount for RRUM, RRAM, RLAM, RRCM. |
f6a83b4a DD |
38 | (define_constraint "M" |
39 | "Integer constant 1-4." | |
40 | (and (match_code "const_int") | |
41 | (match_test "IN_RANGE (ival, 1, 4)"))) | |
42 | ||
3f02735b DD |
43 | (define_constraint "N" |
44 | "Integer constant 0-255." | |
45 | (and (match_code "const_int") | |
46 | (match_test "IN_RANGE (ival, 0, 255)"))) | |
47 | ||
48 | (define_constraint "O" | |
49 | "Integer constant 256-65535." | |
50 | (and (match_code "const_int") | |
51 | (match_test "IN_RANGE (ival, 256, 65535)"))) | |
52 | ||
703e049a JL |
53 | (define_constraint "P" |
54 | "Integer constant 1-16." | |
55 | (and (match_code "const_int") | |
56 | (match_test "IN_RANGE (ival, 1, 16)"))) | |
57 | ||
f6a83b4a DD |
58 | ;; We do not allow arbitrary constants, eg symbols or labels, |
59 | ;; because their address may be above the 16-bit address limit | |
60 | ;; supported by the offset used in the MOVA instruction. | |
61 | (define_constraint "Ya" | |
62 | "Memory reference, any type, but restricted range of constants" | |
63 | (and (match_code "mem") | |
64 | (ior (match_code "reg" "0") | |
65 | (and (match_code "plus" "0") | |
66 | (match_code "reg" "00") | |
67 | (match_test ("CONST_INT_P (XEXP (XEXP (op, 0), 1))"))) | |
68 | (match_test "CONSTANT_P (XEXP (op, 0))") | |
28987d8b | 69 | (match_code "post_inc" "0") |
f6a83b4a DD |
70 | ))) |
71 | ||
72 | (define_constraint "Yl" | |
73 | "Memory reference, labels only." | |
74 | (and (match_code "mem") | |
75 | (match_code "label_ref" "0"))) | |
76 | ||
77 | ||
5cbc4e2a | 78 | ;; These are memory references that are safe to use without the X suffix, |
8682b1a5 JL |
79 | ;; because we know/assume they need not index across the 64K boundary. |
80 | ;; Note that for a PSImode memory operand, we always need to use the X suffix, | |
81 | ;; regardless of what this constraint decides. | |
f6a83b4a | 82 | (define_constraint "Ys" |
8682b1a5 | 83 | "Memory reference, indexed or indirect register addressing modes." |
f6a83b4a DD |
84 | (and (match_code "mem") |
85 | (ior | |
86 | (and (match_code "plus" "0") | |
87 | (and (match_code "reg" "00") | |
88 | (match_test ("CONST_INT_P (XEXP (XEXP (op, 0), 1))")) | |
3ea7f8e5 | 89 | (match_test ("IN_RANGE (INTVAL (XEXP (XEXP (op, 0), 1)), HOST_WIDE_INT_M1U << 15, (1 << 15)-1)")))) |
f6a83b4a | 90 | (match_code "reg" "0") |
d8e4dc54 | 91 | (match_code "post_inc" "0") |
f6a83b4a | 92 | ))) |
fb28dac0 DD |
93 | |
94 | (define_constraint "Yc" | |
d4f283a1 | 95 | "Memory reference, for CALL - we can't use SP." |
fb28dac0 DD |
96 | (and (match_code "mem") |
97 | (match_code "mem" "0") | |
98 | (not (ior | |
99 | (and (match_code "plus" "00") | |
100 | (and (match_code "reg" "000") | |
101 | (match_test ("REGNO (XEXP (XEXP (op, 0), 0)) != SP_REGNO")))) | |
102 | (and (match_code "reg" "0") | |
103 | (match_test ("REGNO (XEXP (XEXP (op, 0), 0)) != SP_REGNO"))) | |
104 | )))) | |
105 | ||
8682b1a5 JL |
106 | (define_constraint "Yx" |
107 | "Memory reference, in lower memory below address 0x10000." | |
108 | (and (match_code "mem") | |
109 | (match_test "msp430_op_not_in_high_mem (op)"))) |