1 ;; Predicate definitions for Tilera TILE-Gx.
2 ;; Copyright (C) 2011-2013 Free Software Foundation, Inc.
3 ;; Contributed by Walter Lee (walt@tilera.com)
5 ;; This file is part of GCC.
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.
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.
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/>.
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)")))
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")))
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"))))
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)")))
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)")))
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)")))
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)")))
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)")))
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)")))
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")))
73 ;; Returns 1 if OP is a "last" unspec wrapper for a symbol, got, or
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"))))
91 ;; Returns 1 if OP is an unspec wrapper for a symbol, got, or tls
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"))))
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 (CONST_VECTOR_ELT (op, 0))
116 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)
117 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)
118 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)
119 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 4)
120 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 5)
121 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 6)
122 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 7)"))))
124 ;; Return 1 if OP is a 4-element vector constant with identical signed
125 ;; 8-bit elements or any register.
126 (define_predicate "reg_or_v4s8bit_operand"
127 (ior (match_operand 0 "register_operand")
128 (and (match_code "const_vector")
129 (match_test "CONST_VECTOR_NUNITS (op) == 4
130 && satisfies_constraint_I (CONST_VECTOR_ELT (op, 0))
131 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)
132 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)
133 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)"))))
135 ;; Return 1 if the operand is a valid second operand to an add insn.
136 (define_predicate "add_operand"
137 (if_then_else (match_code "const_int")
138 (match_test "satisfies_constraint_J (op)")
139 (ior (match_operand 0 "register_operand")
140 (match_operand 0 "const_last_symbolic_operand"))))
142 ;; Return 1 if the operand is a register or signed 8-bit immediate operand.
143 (define_predicate "reg_or_s8bit_operand"
144 (if_then_else (match_code "const_int")
145 (match_test "satisfies_constraint_I (op)")
146 (match_operand 0 "register_operand")))
148 ;; Return 1 if the operand is a register or unsigned 5-bit immediate operand.
149 (define_predicate "reg_or_u5bit_operand"
150 (if_then_else (match_code "const_int")
151 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")
152 (match_operand 0 "register_operand")))
154 ;; Return 1 if the operand is a register or unsigned 6-bit immediate operand.
155 (define_predicate "reg_or_u6bit_operand"
156 (if_then_else (match_code "const_int")
157 (match_test "INTVAL (op) == (INTVAL (op) & 0x3F)")
158 (match_operand 0 "register_operand")))
160 ;; Return 1 for an operand suitable for ANDing with a register.
161 (define_predicate "and_operand"
162 (if_then_else (match_code "const_int")
163 (match_test "satisfies_constraint_I (op) || satisfies_constraint_M (op)")
164 (match_operand 0 "register_operand")))
166 ; Return 1 if the operand is 2, 4 or 8.
167 (define_predicate "cint_248_operand"
168 (and (match_code "const_int")
170 "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8")))
172 ;; Return true if OP is a TLS symbolic operand.
173 (define_predicate "tls_symbolic_operand"
174 (and (match_code "symbol_ref")
175 (match_test "SYMBOL_REF_TLS_MODEL (op) != TLS_MODEL_NONE")))
177 ;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
178 (define_predicate "tls_gd_symbolic_operand"
179 (and (match_code "symbol_ref")
180 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
182 ;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
183 (define_predicate "tls_ld_symbolic_operand"
184 (and (match_code "symbol_ref")
185 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
187 ;; Return true if OP is a symbolic operand that can be used for the
188 ;; TLS Initial Exec model.
189 (define_predicate "tls_ie_symbolic_operand"
190 (and (match_code "symbol_ref")
191 (ior (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")
192 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC"))))
194 ;; Return true if OP is a symbolic operand for the TLS Local Exec model.
195 (define_predicate "tls_le_symbolic_operand"
196 (and (match_code "symbol_ref")
197 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
199 ;; Returns true if OP is any general operand except for an
200 ;; auto-incrementing address operand.
201 (define_predicate "nonautoinc_operand"
202 (and (match_operand 0 "general_operand")
203 (not (ior (match_code "pre_dec") (match_code "pre_inc")
204 (match_code "post_dec") (match_code "post_inc")
205 (match_code "post_modify") (match_code "pre_modify")))))
207 ;; Returns true if OP is a non-auto-incrementing memory operand.
208 (define_predicate "nonautoincmem_operand"
209 (match_operand 0 "memory_operand")
211 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
214 ;; Returns true if OP is a non-auto-incrementing memory, general
216 (define_predicate "nonautoincmem_general_operand"
217 (match_operand 0 "general_operand")
219 if (memory_operand (op, mode))
220 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
225 ;; Returns true if OP is a non-auto-incrementing memory, non-immediate
227 (define_predicate "nonautoincmem_nonimmediate_operand"
228 (match_operand 0 "nonimmediate_operand")
230 if (memory_operand (op, mode))
231 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
236 ;; Return true if OP is a valid operand for the source of a move insn.
237 (define_predicate "move_operand"
238 (match_operand 0 "general_operand")
240 /* If both modes are non-void they must be the same. */
241 if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op))
244 switch (GET_CODE (op))
247 return (satisfies_constraint_J (op)
248 || satisfies_constraint_K (op)
249 || (mode == DImode &&
250 (satisfies_constraint_N (op)
251 || satisfies_constraint_P (op))));
254 return memory_address_p (mode, XEXP (op, 0));
257 return const_last_symbolic_operand (op, mode);
260 return register_operand (op, mode);
264 ;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,
265 ;; possibly with an offset.
266 (define_predicate "symbolic_operand"
267 (ior (match_code "symbol_ref,label_ref")
268 (and (match_code "const")
269 (match_test "GET_CODE (XEXP (op,0)) == PLUS
270 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
271 || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF)
272 && CONST_INT_P (XEXP (XEXP (op,0), 1))"))))
274 ;; Return 1 for an unsigned 16 bit or a const symbolc operand.
275 (define_predicate "u16bit_or_const_symbolic_operand"
276 (ior (match_operand 0 "u16bit_cint_operand")
277 (match_operand 0 "const_symbolic_operand")))
279 ;; Return true if OP is an address suitable for a call insn.
280 ;; Call insn on TILE can take a PC-relative constant address
281 ;; or any regular memory address.
282 (define_predicate "call_address_operand"
283 (ior (match_operand 0 "symbolic_operand")
284 (match_test "memory_address_p (Pmode, op)")))
286 ;; Return true if OP is an operand suitable for a call insn.
287 (define_predicate "call_operand"
288 (and (match_code "mem")
289 (match_test "call_address_operand (XEXP (op, 0), mode)")))
291 ;; Return 1 if OP is a signed comparison operation.
292 ;; We can use these directly in compares against zero.
293 (define_predicate "signed_comparison_operator"
294 (match_code "eq,ne,le,lt,ge,gt"))
296 ;; Return 1 if OP is a equal or not-equal operation.
297 (define_predicate "eqne_operator"
298 (match_code "eq,ne"))