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3d6275e3 | 1 | ;; Constraint definitions for GCN. |
83ffe9cd | 2 | ;; Copyright (C) 2016-2023 Free Software Foundation, Inc. |
3d6275e3 AS |
3 | ;; |
4 | ;; This file is part of GCC. | |
5 | ;; | |
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) | |
9 | ;; any later version. | |
10 | ;; | |
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. | |
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_constraint "I" | |
21 | "Inline integer constant" | |
22 | (and (match_code "const_int") | |
23 | (match_test "ival >= -16 && ival <= 64"))) | |
24 | ||
25 | (define_constraint "J" | |
26 | "Signed integer 16-bit inline constant" | |
27 | (and (match_code "const_int") | |
28 | (match_test "((unsigned HOST_WIDE_INT) ival + 0x8000) < 0x10000"))) | |
29 | ||
30 | (define_constraint "Kf" | |
31 | "Immeditate constant -1" | |
32 | (and (match_code "const_int") | |
33 | (match_test "ival == -1"))) | |
34 | ||
35 | (define_constraint "L" | |
36 | "Unsigned integer 15-bit constant" | |
37 | (and (match_code "const_int") | |
38 | (match_test "((unsigned HOST_WIDE_INT) ival) < 0x8000"))) | |
39 | ||
40 | (define_constraint "A" | |
41 | "Inline immediate parameter" | |
42 | (and (match_code "const_int,const_double,const_vector") | |
43 | (match_test "gcn_inline_constant_p (op)"))) | |
44 | ||
45 | (define_constraint "B" | |
46 | "Immediate 32-bit parameter" | |
47 | (and (match_code "const_int,const_double,const_vector") | |
48 | (match_test "gcn_constant_p (op)"))) | |
49 | ||
50 | (define_constraint "C" | |
51 | "Immediate 32-bit parameter zero-extended to 64-bits" | |
52 | (and (match_code "const_int,const_double,const_vector") | |
53 | (match_test "gcn_constant64_p (op)"))) | |
54 | ||
55 | (define_constraint "DA" | |
66b01cc3 | 56 | "Immediate 64-bit parameter, low and high part match 'A'" |
3d6275e3 | 57 | (and (match_code "const_int,const_double,const_vector") |
66b01cc3 AS |
58 | (match_test "gcn_inline_constant64_p (op, 0)"))) |
59 | ||
60 | (define_constraint "Db" | |
61 | "Immediate 64-bit parameter, low part matches 'B', high part matches 'A'" | |
62 | (and (match_code "const_int,const_double,const_vector") | |
63 | (match_test "gcn_inline_constant64_p (op, 1)"))) | |
3d6275e3 AS |
64 | |
65 | (define_constraint "DB" | |
66b01cc3 | 66 | "Immediate 64-bit parameter, low and high part match 'B'" |
3d6275e3 AS |
67 | (match_code "const_int,const_double,const_vector")) |
68 | ||
69 | (define_constraint "U" | |
70 | "unspecified value" | |
71 | (match_code "unspec")) | |
72 | ||
73 | (define_constraint "Y" | |
74 | "Symbol or label for relative calls" | |
75 | (match_code "symbol_ref,label_ref")) | |
76 | ||
77 | (define_register_constraint "v" "VGPR_REGS" | |
78 | "VGPR registers") | |
79 | ||
80 | (define_register_constraint "Sg" "SGPR_REGS" | |
81 | "SGPR registers") | |
82 | ||
83 | (define_register_constraint "SD" "SGPR_DST_REGS" | |
84 | "registers useable as a destination of scalar operation") | |
85 | ||
86 | (define_register_constraint "SS" "SGPR_SRC_REGS" | |
87 | "registers useable as a source of scalar operation") | |
88 | ||
89 | (define_register_constraint "Sm" "SGPR_MEM_SRC_REGS" | |
90 | "registers useable as a source of scalar memory operation") | |
91 | ||
92 | (define_register_constraint "Sv" "SGPR_VOP_SRC_REGS" | |
93 | "registers useable as a source of VOP3A instruction") | |
94 | ||
95 | (define_register_constraint "ca" "ALL_CONDITIONAL_REGS" | |
96 | "SCC VCCZ or EXECZ") | |
97 | ||
98 | (define_register_constraint "cs" "SCC_CONDITIONAL_REG" | |
99 | "SCC") | |
100 | ||
101 | (define_register_constraint "cV" "VCC_CONDITIONAL_REG" | |
102 | "VCC") | |
103 | ||
104 | (define_register_constraint "e" "EXEC_MASK_REG" | |
105 | "EXEC") | |
106 | ||
107 | (define_special_memory_constraint "RB" | |
108 | "Buffer memory address to scratch memory." | |
109 | (and (match_code "mem") | |
110 | (match_test "AS_SCRATCH_P (MEM_ADDR_SPACE (op))"))) | |
111 | ||
112 | (define_special_memory_constraint "RF" | |
113 | "Buffer memory address to flat memory." | |
114 | (and (match_code "mem") | |
115 | (match_test "AS_FLAT_P (MEM_ADDR_SPACE (op)) | |
116 | && gcn_flat_address_p (XEXP (op, 0), mode)"))) | |
117 | ||
118 | (define_special_memory_constraint "RS" | |
119 | "Buffer memory address to scalar flat memory." | |
120 | (and (match_code "mem") | |
121 | (match_test "AS_SCALAR_FLAT_P (MEM_ADDR_SPACE (op)) | |
122 | && gcn_scalar_flat_mem_p (op)"))) | |
123 | ||
124 | (define_special_memory_constraint "RL" | |
125 | "Buffer memory address to LDS memory." | |
126 | (and (match_code "mem") | |
127 | (match_test "AS_LDS_P (MEM_ADDR_SPACE (op))"))) | |
128 | ||
129 | (define_special_memory_constraint "RG" | |
130 | "Buffer memory address to GDS memory." | |
131 | (and (match_code "mem") | |
132 | (match_test "AS_GDS_P (MEM_ADDR_SPACE (op))"))) | |
133 | ||
134 | (define_special_memory_constraint "RD" | |
135 | "Buffer memory address to GDS or LDS memory." | |
136 | (and (match_code "mem") | |
137 | (ior (match_test "AS_GDS_P (MEM_ADDR_SPACE (op))") | |
138 | (match_test "AS_LDS_P (MEM_ADDR_SPACE (op))")))) | |
139 | ||
140 | (define_special_memory_constraint "RM" | |
141 | "Memory address to global (main) memory." | |
142 | (and (match_code "mem") | |
143 | (match_test "AS_GLOBAL_P (MEM_ADDR_SPACE (op)) | |
144 | && gcn_global_address_p (XEXP (op, 0))"))) |