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comparison gcc/config/tilegx/predicates.md @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 ;; Predicate definitions for Tilera TILE-Gx.
2 ;; Copyright (C) 2011-2017 Free Software Foundation, Inc.
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 ;; Return true if OP is the zero constant for MODE.
22 (define_predicate "const_zero_operand"
23 (and (match_code "const_int,const_double,const_vector")
24 (match_test "op == CONST0_RTX (mode)")))
25
26 ;; Returns true if OP is either the constant zero or a register.
27 (define_predicate "reg_or_0_operand"
28 (and (ior (match_operand 0 "register_operand")
29 (match_operand 0 "const_zero_operand"))
30 (match_test "GET_MODE_SIZE (mode) <= UNITS_PER_WORD")))
31
32 ; Return 1 if OP is a valid Pmode pointer.
33 (define_predicate "pointer_operand"
34 (and (match_operand 0 "address_operand")
35 (ior (match_operand 0 "pmode_register_operand")
36 (match_operand 0 "const_zero_operand"))))
37
38 ; Return 1 if OP is a network register identifier.
39 (define_predicate "netreg_operand"
40 (and (match_code "const_int")
41 (match_test "IN_RANGE (INTVAL (op), 0, 5)")))
42
43 ; Return 1 if OP is an unsigned 6-bit constant.
44 (define_predicate "u6bit_cint_operand"
45 (and (match_code "const_int")
46 (match_test "INTVAL (op) == (INTVAL (op) & 0x3F)")))
47
48 ;; Return 1 if OP is an unsigned 16-bit constant.
49 (define_predicate "u16bit_cint_operand"
50 (and (match_code "const_int")
51 (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 16)")))
52
53 ;; Return 1 if OP is a signed 8-bit constant.
54 (define_predicate "s8bit_cint_operand"
55 (and (match_code "const_int")
56 (match_test "satisfies_constraint_I (op)")))
57
58 ;; Return 1 if OP is a signed 16-bit constant.
59 (define_predicate "s16bit_cint_operand"
60 (and (match_code "const_int")
61 (match_test "satisfies_constraint_J (op)")))
62
63 ;; Return 1 if OP is an unsigned 14-bit constant.
64 (define_predicate "u14bit_cint_operand"
65 (and (match_code "const_int")
66 (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 14)")))
67
68 ;; Return 1 if OP is a constant or any register.
69 (define_predicate "reg_or_cint_operand"
70 (ior (match_operand 0 "register_operand")
71 (match_operand 0 "const_int_operand")))
72
73 ;; Returns 1 if OP is a "last" unspec wrapper for a symbol, got, or
74 ;; tls reference.
75 (define_predicate "const_last_symbolic_operand"
76 (and (match_code "const")
77 (match_test "GET_CODE (XEXP (op,0)) == UNSPEC")
78 (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_LAST")
79 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST")
80 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST")
81 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_PCREL")
82 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST_PCREL")
83 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_LAST_GOT")
84 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_GOT")
85 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_GD")
86 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_IE")
87 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_LE")
88 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_PLT_PCREL")
89 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST_PLT_PCREL"))))
90
91 ;; Returns 1 if OP is an unspec wrapper for a symbol, got, or tls
92 ;; reference.
93 (define_predicate "const_symbolic_operand"
94 (and (match_code "const")
95 (match_test "GET_CODE (XEXP (op,0)) == UNSPEC")
96 (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0")
97 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1")
98 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2")
99 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW3")
100 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_PCREL")
101 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_PCREL")
102 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_GOT")
103 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_GD")
104 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_IE")
105 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_LE")
106 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_PLT_PCREL")
107 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_PLT_PCREL"))))
108
109 ;; Return 1 if OP is a 8-element vector constant with identical signed
110 ;; 8-bit elements or any register.
111 (define_predicate "reg_or_v8s8bit_operand"
112 (ior (match_operand 0 "register_operand")
113 (and (match_code "const_vector")
114 (match_test "CONST_VECTOR_NUNITS (op) == 8
115 && (satisfies_constraint_I
116 (unwrap_const_vec_duplicate (op)))"))))
117
118 ;; Return 1 if OP is a 4-element vector constant with identical signed
119 ;; 8-bit elements or any register.
120 (define_predicate "reg_or_v4s8bit_operand"
121 (ior (match_operand 0 "register_operand")
122 (and (match_code "const_vector")
123 (match_test "CONST_VECTOR_NUNITS (op) == 4
124 && (satisfies_constraint_I
125 (unwrap_const_vec_duplicate (op)))"))))
126
127 ;; Return 1 if the operand is a valid second operand to an add insn.
128 (define_predicate "add_operand"
129 (if_then_else (match_code "const_int")
130 (match_test "satisfies_constraint_J (op)")
131 (ior (match_operand 0 "register_operand")
132 (match_operand 0 "const_last_symbolic_operand"))))
133
134 ;; Return 1 if the operand is a register or signed 8-bit immediate operand.
135 (define_predicate "reg_or_s8bit_operand"
136 (if_then_else (match_code "const_int")
137 (match_test "satisfies_constraint_I (op)")
138 (match_operand 0 "register_operand")))
139
140 ;; Return 1 if the operand is a register or unsigned 5-bit immediate operand.
141 (define_predicate "reg_or_u5bit_operand"
142 (if_then_else (match_code "const_int")
143 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")
144 (match_operand 0 "register_operand")))
145
146 ;; Return 1 if the operand is a register or unsigned 6-bit immediate operand.
147 (define_predicate "reg_or_u6bit_operand"
148 (if_then_else (match_code "const_int")
149 (match_test "INTVAL (op) == (INTVAL (op) & 0x3F)")
150 (match_operand 0 "register_operand")))
151
152 ;; Return 1 for an operand suitable for ANDing with a register.
153 (define_predicate "and_operand"
154 (if_then_else (match_code "const_int")
155 (match_test "satisfies_constraint_I (op) || satisfies_constraint_M (op)")
156 (match_operand 0 "register_operand")))
157
158 ; Return 1 if the operand is 2, 4 or 8.
159 (define_predicate "cint_248_operand"
160 (and (match_code "const_int")
161 (match_test
162 "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8")))
163
164 ;; Return true if OP is a TLS symbolic operand.
165 (define_predicate "tls_symbolic_operand"
166 (and (match_code "symbol_ref")
167 (match_test "SYMBOL_REF_TLS_MODEL (op) != TLS_MODEL_NONE")))
168
169 ;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
170 (define_predicate "tls_gd_symbolic_operand"
171 (and (match_code "symbol_ref")
172 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
173
174 ;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
175 (define_predicate "tls_ld_symbolic_operand"
176 (and (match_code "symbol_ref")
177 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
178
179 ;; Return true if OP is a symbolic operand that can be used for the
180 ;; TLS Initial Exec model.
181 (define_predicate "tls_ie_symbolic_operand"
182 (and (match_code "symbol_ref")
183 (ior (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")
184 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC"))))
185
186 ;; Return true if OP is a symbolic operand for the TLS Local Exec model.
187 (define_predicate "tls_le_symbolic_operand"
188 (and (match_code "symbol_ref")
189 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
190
191 ;; Returns true if OP is any general operand except for an
192 ;; auto-incrementing address operand.
193 (define_predicate "nonautoinc_operand"
194 (and (match_operand 0 "general_operand")
195 (not (ior (match_code "pre_dec") (match_code "pre_inc")
196 (match_code "post_dec") (match_code "post_inc")
197 (match_code "post_modify") (match_code "pre_modify")))))
198
199 ;; Returns true if OP is a non-auto-incrementing memory operand.
200 (define_predicate "nonautoincmem_operand"
201 (match_operand 0 "memory_operand")
202 {
203 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
204 })
205
206 ;; Returns true if OP is a non-auto-incrementing memory, general
207 ;; operand.
208 (define_predicate "nonautoincmem_general_operand"
209 (match_operand 0 "general_operand")
210 {
211 if (memory_operand (op, mode))
212 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
213 else
214 return true;
215 })
216
217 ;; Returns true if OP is a non-auto-incrementing memory, non-immediate
218 ;; operand.
219 (define_predicate "nonautoincmem_nonimmediate_operand"
220 (match_operand 0 "nonimmediate_operand")
221 {
222 if (memory_operand (op, mode))
223 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
224 else
225 return true;
226 })
227
228 ;; Return true if OP is a valid operand for the source of a move insn.
229 (define_predicate "move_operand"
230 (match_operand 0 "general_operand")
231 {
232 /* If both modes are non-void they must be the same. */
233 if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op))
234 return false;
235
236 switch (GET_CODE (op))
237 {
238 case CONST_INT:
239 return (satisfies_constraint_J (op)
240 || satisfies_constraint_K (op)
241 || (mode == DImode &&
242 (satisfies_constraint_N (op)
243 || satisfies_constraint_P (op))));
244
245 case MEM:
246 return memory_address_p (mode, XEXP (op, 0));
247
248 case CONST:
249 return const_last_symbolic_operand (op, mode);
250
251 default:
252 return register_operand (op, mode);
253 }
254 })
255
256 ;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,
257 ;; possibly with an offset.
258 (define_predicate "symbolic_operand"
259 (ior (match_code "symbol_ref,label_ref")
260 (and (match_code "const")
261 (match_test "GET_CODE (XEXP (op,0)) == PLUS
262 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
263 || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF)
264 && CONST_INT_P (XEXP (XEXP (op,0), 1))"))))
265
266 ;; Return 1 for an unsigned 16 bit or a const symbolc operand.
267 (define_predicate "u16bit_or_const_symbolic_operand"
268 (ior (match_operand 0 "u16bit_cint_operand")
269 (match_operand 0 "const_symbolic_operand")))
270
271 ;; Return true if OP is an address suitable for a call insn.
272 ;; Call insn on TILE can take a PC-relative constant address
273 ;; or any regular memory address.
274 (define_predicate "call_address_operand"
275 (ior (match_operand 0 "symbolic_operand")
276 (match_test "memory_address_p (Pmode, op)")))
277
278 ;; Return true if OP is an operand suitable for a call insn.
279 (define_predicate "call_operand"
280 (and (match_code "mem")
281 (match_test "call_address_operand (XEXP (op, 0), mode)")))
282
283 ;; Return 1 if OP is a signed comparison operation.
284 ;; We can use these directly in compares against zero.
285 (define_predicate "signed_comparison_operator"
286 (match_code "eq,ne,le,lt,ge,gt"))
287
288 ;; Return 1 if OP is a equal or not-equal operation.
289 (define_predicate "eqne_operator"
290 (match_code "eq,ne"))