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dd552284 | 1 | ;; Constraint definitions for Tilera TILE-Gx. |
23a5b65a | 2 | ;; Copyright (C) 2011-2014 Free Software Foundation, Inc. |
dd552284 WL |
3 | ;; Contributed by Walter Lee (walt@tilera.com) |
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 | |
9 | ;; by the Free Software Foundation; either version 3, or (at your | |
10 | ;; option) 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 | (define_register_constraint "R00" "R0_REGS" "r0") | |
22 | (define_register_constraint "R01" "R1_REGS" "r1") | |
23 | (define_register_constraint "R02" "R2_REGS" "r2") | |
24 | (define_register_constraint "R03" "R3_REGS" "r3") | |
25 | (define_register_constraint "R04" "R4_REGS" "r4") | |
26 | (define_register_constraint "R05" "R5_REGS" "r5") | |
27 | (define_register_constraint "R06" "R6_REGS" "r6") | |
28 | (define_register_constraint "R07" "R7_REGS" "r7") | |
29 | (define_register_constraint "R08" "R8_REGS" "r8") | |
30 | (define_register_constraint "R09" "R9_REGS" "r9") | |
31 | (define_register_constraint "R10" "R10_REGS" "r10") | |
32 | ||
33 | (define_constraint "I" | |
34 | "A signed 8 bit constant" | |
35 | (and (match_code "const_int") | |
36 | (match_test "ival >= -128 && ival <= 127"))) | |
37 | ||
38 | (define_constraint "J" | |
39 | "Signed 16-bit integer constant" | |
40 | (and (match_code "const_int") | |
41 | (match_test "ival >= -32768 && ival <= 32767"))) | |
42 | ||
43 | (define_constraint "K" | |
44 | "Unsigned 16-bit integer constant" | |
45 | (and (match_code "const_int") | |
46 | (match_test "(ival >= 0 && ival <= 65535)"))) | |
47 | ||
48 | (define_constraint "L" | |
49 | "Integer constant that fits in one signed byte when incremented" | |
50 | (and (match_code "const_int") | |
51 | (match_test "ival >= -129 && ival <= 126"))) | |
52 | ||
53 | (define_constraint "M" | |
54 | "A bit mask suitable for 'bfins'" | |
55 | (and (match_code "const_int") | |
56 | (match_test "tilegx_bitfield_operand_p (ival, NULL, NULL)"))) | |
57 | ||
58 | (define_constraint "N" | |
59 | "Integer constant that is a byte tiled out eight times" | |
60 | (and (match_code "const_int") | |
61 | (match_test "(ival == (ival & 0xFF) * 0x0101010101010101LL)"))) | |
62 | ||
63 | (define_constraint "O" | |
64 | "The integer zero constant" | |
65 | (and (match_code "const_int") | |
66 | (match_test "ival == 0"))) | |
67 | ||
68 | (define_constraint "P" | |
69 | "Integer constant that is a sign-extended byte tiled out as four shorts" | |
70 | (and (match_code "const_int") | |
71 | (match_test "(ival | |
72 | == ((trunc_int_for_mode (ival, QImode) & 0xFFFF) | |
73 | * 0x0001000100010001LL))"))) | |
74 | ||
75 | (define_constraint "Q" | |
76 | "Integer constant that fits in one signed byte when incremented, but not -1" | |
77 | (and (match_code "const_int") | |
78 | (match_test "ival >= -129 && ival <= 126 && ival != -1"))) | |
79 | ||
80 | (define_constraint "S" | |
81 | "Integer constant that has all 1 bits consecutive and starting at bit 0" | |
82 | (and (match_code "const_int") | |
83 | (match_test "ival != 0 && (ival & (ival + 1)) == 0"))) | |
84 | ||
85 | (define_constraint "T" | |
86 | "An unspec wrapper for a symbolc operand" | |
87 | (ior (match_operand 0 "const_last_symbolic_operand") | |
88 | (match_operand 0 "const_symbolic_operand"))) | |
89 | ||
90 | (define_memory_constraint "U" | |
91 | "Non-auto-incrementing memory" | |
92 | (and (match_code "mem") | |
93 | (match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC"))) | |
94 | ||
95 | (define_constraint "W" | |
96 | "An 8-element vector constant with identical elements" | |
97 | (and (match_code "const_vector") | |
98 | (match_test "CONST_VECTOR_NUNITS (op) == 8") | |
99 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)") | |
100 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)") | |
101 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)") | |
102 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 4)") | |
103 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 5)") | |
104 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 6)") | |
105 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 7)"))) | |
106 | ||
107 | (define_constraint "Y" | |
108 | "A 4-element vector constant with identical elements" | |
109 | (and (match_code "const_vector") | |
110 | (match_test "CONST_VECTOR_NUNITS (op) == 4") | |
111 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)") | |
112 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)") | |
113 | (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)"))) | |
114 | (define_constraint "Z0" | |
115 | "The integer constant 0xffffffff" | |
116 | (and (match_code "const_int") | |
117 | (match_test "ival == 0xffffffff"))) | |
118 | ||
119 | (define_constraint "Z1" | |
120 | "The integer constant 0xffffffff00000000" | |
121 | (and (match_code "const_int") | |
122 | (match_test "ival == (HOST_WIDE_INT)0xffffffff00000000LL"))) |