1 ;; Predicate definitions for Tilera TILEPro chip.
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 network register identifier.
33 (define_predicate "netreg_operand"
34 (and (match_code "const_int")
35 (match_test "IN_RANGE (INTVAL (op), 0, 6)")))
37 ; Return 1 if OP is an unsigned 5-bit constant.
38 (define_predicate "u5bit_cint_operand"
39 (and (match_code "const_int")
40 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")))
42 ;; Return 1 if OP is an unsigned 16-bit constant.
43 (define_predicate "u16bit_cint_operand"
44 (and (match_code "const_int")
45 (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 16)")))
47 ;; Return 1 if OP is a signed 8-bit constant.
48 (define_predicate "s8bit_cint_operand"
49 (and (match_code "const_int")
50 (match_test "satisfies_constraint_I (op)")))
52 ;; Return 1 if OP is a signed 16-bit constant.
53 (define_predicate "s16bit_cint_operand"
54 (and (match_code "const_int")
55 (match_test "satisfies_constraint_J (op)")))
57 ;; Return 1 if OP is a nonzero integer constant whose low 16 bits are zero.
58 (define_predicate "auli_cint_operand"
59 (and (match_code "const_int")
60 (match_test "satisfies_constraint_K (op)")))
62 ;; Return 1 if OP is an unsigned 15-bit constant.
63 (define_predicate "u15bit_cint_operand"
64 (and (match_code "const_int")
65 (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 15)")))
67 ;; Return 1 if OP is a constant or any register.
68 (define_predicate "reg_or_cint_operand"
69 (ior (match_operand 0 "register_operand")
70 (match_operand 0 "const_int_operand")))
72 ;; Return 1 if OP is a 4-element vector constant with identical signed
73 ;; 8-bit elements or any register.
74 (define_predicate "reg_or_v4s8bit_operand"
75 (ior (match_operand 0 "register_operand")
76 (and (match_code "const_vector")
77 (match_test "CONST_VECTOR_NUNITS (op) == 4
78 && satisfies_constraint_I (CONST_VECTOR_ELT (op, 0))
79 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)
80 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)
81 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)"))))
83 ;; Return 1 if OP is a 2-element vector constant with identical signed
84 ;; 8-bit elements or any register.
85 (define_predicate "reg_or_v2s8bit_operand"
86 (ior (match_operand 0 "register_operand")
87 (and (match_code "const_vector")
88 (match_test "CONST_VECTOR_NUNITS (op) == 2
89 && satisfies_constraint_I (CONST_VECTOR_ELT (op, 0))
90 && CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)"))))
92 ;; Return 1 if the operand is a valid second operand to an add insn.
93 (define_predicate "add_operand"
94 (if_then_else (match_code "const_int")
95 (match_test "satisfies_constraint_J (op) || satisfies_constraint_K (op)")
96 (match_operand 0 "register_operand")))
98 ;; Return 1 if the operand is a register or signed 8-bit immediate operand.
99 (define_predicate "reg_or_s8bit_operand"
100 (if_then_else (match_code "const_int")
101 (match_test "satisfies_constraint_I (op)")
102 (match_operand 0 "register_operand")))
104 ;; Return 1 for an operand suitable for ANDing with a register.
105 (define_predicate "and_operand"
106 (if_then_else (match_code "const_int")
107 (match_test "satisfies_constraint_I (op) || satisfies_constraint_M (op)")
108 (match_operand 0 "register_operand")))
110 ;; Return 1 if the operand is a register or unsigned 5-bit immediate operand.
111 (define_predicate "reg_or_u5bit_operand"
112 (if_then_else (match_code "const_int")
113 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")
114 (match_operand 0 "register_operand")))
116 ; Return 1 if the operand is 2, 4 or 8.
117 (define_predicate "cint_248_operand"
118 (and (match_code "const_int")
120 "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8")))
123 ;; Return true if OP is a TLS symbolic operand.
124 (define_predicate "tls_symbolic_operand"
125 (and (match_code "symbol_ref")
126 (match_test "SYMBOL_REF_TLS_MODEL (op) != TLS_MODEL_NONE")))
128 ;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
129 (define_predicate "tls_gd_symbolic_operand"
130 (and (match_code "symbol_ref")
131 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
133 ;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
134 (define_predicate "tls_ld_symbolic_operand"
135 (and (match_code "symbol_ref")
136 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
138 ;; Return true if OP is a symbolic operand that can be used for the
139 ;; TLS Initial Exec model.
140 (define_predicate "tls_ie_symbolic_operand"
141 (and (match_code "symbol_ref")
142 (ior (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")
143 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC"))))
145 ;; Return true if OP is a symbolic operand for the TLS Local Exec model.
146 (define_predicate "tls_le_symbolic_operand"
147 (and (match_code "symbol_ref")
148 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
150 ;; Returns true if OP is any general operand except for an
151 ;; auto-incrementing address operand.
152 (define_predicate "nonautoinc_operand"
153 (and (match_operand 0 "general_operand")
154 (not (ior (match_code "pre_dec") (match_code "pre_inc")
155 (match_code "post_dec") (match_code "post_inc")
156 (match_code "post_modify") (match_code "pre_modify")))))
158 ;; Returns true if OP is a non-auto-incrementing memory operand.
159 (define_predicate "nonautoincmem_operand"
160 (match_operand 0 "memory_operand")
162 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
165 ;; Returns true if OP is a non-auto-incrementing memory, general
167 (define_predicate "nonautoincmem_general_operand"
168 (match_operand 0 "general_operand")
170 if (memory_operand (op, mode))
171 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
176 ;; Returns true if OP is a non-auto-incrementing memory, non-immediate
178 (define_predicate "nonautoincmem_nonimmediate_operand"
179 (match_operand 0 "nonimmediate_operand")
181 if (memory_operand (op, mode))
182 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
187 ;; Return true if OP is a valid operand for the source of a move insn.
188 (define_predicate "move_operand"
189 (match_operand 0 "general_operand")
191 /* If both modes are non-void they must be the same. */
192 if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op))
195 if (GET_MODE_SIZE (mode) > 4)
198 switch (GET_CODE (op))
201 return (satisfies_constraint_J (op)
202 || satisfies_constraint_K (op)
203 || satisfies_constraint_N (op)
204 || satisfies_constraint_P (op));
210 return memory_address_p (mode, XEXP (op, 0));
213 return register_operand (op, mode);
217 ;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,
218 ;; possibly with an offset.
219 (define_predicate "symbolic_operand"
220 (ior (match_code "symbol_ref,label_ref")
221 (and (match_code "const")
222 (match_test "GET_CODE (XEXP (op,0)) == PLUS
223 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
224 || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF)
225 && CONST_INT_P (XEXP (XEXP (op,0), 1))"))))
227 ;; Returns 1 if OP is a symbolic operand, or a const unspec wrapper
228 ;; representing a got reference, a tls reference, or pc-relative
230 (define_predicate "const_symbolic_operand"
231 (ior (match_operand 0 "symbolic_operand")
232 (and (match_code "const")
233 (match_test "GET_CODE (XEXP (op,0)) == UNSPEC")
234 (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_GOT16_SYM")
235 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_GOT32_SYM")
236 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_PCREL_SYM")
237 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_GD")
238 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_IE")
239 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_LE")))))
241 ;; Return true if OP is an address suitable for a call insn.
242 ;; Call insn on TILE can take a PC-relative constant address
243 ;; or any regular memory address.
244 (define_predicate "call_address_operand"
245 (ior (match_operand 0 "symbolic_operand")
246 (match_test "memory_address_p (Pmode, op)")))
248 ;; Return true if OP is an operand suitable for a call insn.
249 (define_predicate "call_operand"
250 (and (match_code "mem")
251 (match_test "call_address_operand (XEXP (op, 0), mode)")))
253 ;; Return 1 if OP is a signed comparison operation.
254 ;; We can use these directly in compares against zero.
255 (define_predicate "signed_comparison_operator"
256 (match_code "eq,ne,le,lt,ge,gt"))
258 ;; Return 1 if OP is a equal or not-equal operation.
259 (define_predicate "eqne_operator"
260 (match_code "eq,ne"))