1 ;; Predicate definitions of Andes NDS32 cpu for GNU compiler
2 ;; Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 ;; Contributed by Andes Technology Corporation.
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 (define_predicate "nds32_equality_comparison_operator"
24 (define_predicate "nds32_greater_less_comparison_operator"
25 (match_code "gt,ge,lt,le"))
27 (define_predicate "nds32_float_comparison_operator"
28 (match_code "eq,ne,le,lt,ge,gt,ordered,unordered,ungt,unge,unlt,unle"))
30 (define_predicate "nds32_movecc_comparison_operator"
31 (match_code "eq,ne,le,leu,ge,geu"))
33 (define_special_predicate "nds32_logical_binary_operator"
34 (match_code "and,ior,xor"))
36 (define_special_predicate "nds32_conditional_call_comparison_operator"
39 (define_special_predicate "nds32_have_33_inst_operator"
40 (match_code "mult,and,ior,xor"))
42 (define_predicate "nds32_symbolic_operand"
43 (and (match_code "const,symbol_ref,label_ref")
44 (match_test "!(TARGET_ICT_MODEL_LARGE
45 && nds32_indirect_call_referenced_p (op))")))
47 (define_predicate "nds32_nonunspec_symbolic_operand"
48 (and (match_code "const,symbol_ref,label_ref")
49 (match_test "!flag_pic && nds32_const_unspec_p (op)
50 && !(TARGET_ICT_MODEL_LARGE
51 && nds32_indirect_call_referenced_p (op))")))
53 (define_predicate "nds32_reg_constant_operand"
54 (ior (match_operand 0 "register_operand")
55 (match_operand 0 "const_int_operand")))
57 (define_predicate "nds32_rimm15s_operand"
58 (ior (match_operand 0 "register_operand")
59 (and (match_operand 0 "const_int_operand")
60 (match_test "satisfies_constraint_Is15 (op)"))))
62 (define_predicate "nds32_rimm11s_operand"
63 (ior (match_operand 0 "register_operand")
64 (and (match_operand 0 "const_int_operand")
65 (match_test "satisfies_constraint_Is11 (op)"))))
67 (define_predicate "nds32_imm_0_1_operand"
68 (and (match_operand 0 "const_int_operand")
69 (ior (match_test "satisfies_constraint_Iv00 (op)")
70 (match_test "satisfies_constraint_Iv01 (op)"))))
72 (define_predicate "nds32_imm_1_2_operand"
73 (and (match_operand 0 "const_int_operand")
74 (ior (match_test "satisfies_constraint_Iv01 (op)")
75 (match_test "satisfies_constraint_Iv02 (op)"))))
77 (define_predicate "nds32_imm_1_2_4_8_operand"
78 (and (match_operand 0 "const_int_operand")
79 (ior (ior (match_test "satisfies_constraint_Iv01 (op)")
80 (match_test "satisfies_constraint_Iv02 (op)"))
81 (ior (match_test "satisfies_constraint_Iv04 (op)")
82 (match_test "satisfies_constraint_Iv08 (op)")))))
84 (define_predicate "nds32_imm2u_operand"
85 (and (match_operand 0 "const_int_operand")
86 (match_test "satisfies_constraint_Iu02 (op)")))
88 (define_predicate "nds32_imm4u_operand"
89 (and (match_operand 0 "const_int_operand")
90 (match_test "satisfies_constraint_Iu04 (op)")))
92 (define_predicate "nds32_imm5u_operand"
93 (and (match_operand 0 "const_int_operand")
94 (match_test "satisfies_constraint_Iu05 (op)")))
96 (define_predicate "nds32_imm6u_operand"
97 (and (match_operand 0 "const_int_operand")
98 (match_test "satisfies_constraint_Iu06 (op)")))
100 (define_predicate "nds32_rimm4u_operand"
101 (ior (match_operand 0 "register_operand")
102 (match_operand 0 "nds32_imm4u_operand")))
104 (define_predicate "nds32_rimm5u_operand"
105 (ior (match_operand 0 "register_operand")
106 (match_operand 0 "nds32_imm5u_operand")))
108 (define_predicate "nds32_rimm6u_operand"
109 (ior (match_operand 0 "register_operand")
110 (match_operand 0 "nds32_imm6u_operand")))
112 (define_predicate "nds32_move_operand"
113 (and (match_operand 0 "general_operand")
114 (not (match_code "high,const,symbol_ref,label_ref")))
116 /* If the constant op does NOT satisfy Is20 nor Ihig,
117 we can not perform move behavior by a single instruction. */
119 && !satisfies_constraint_Is20 (op)
120 && !satisfies_constraint_Ihig (op))
126 (define_predicate "nds32_vmove_operand"
127 (and (match_operand 0 "general_operand")
128 (not (match_code "high,const,symbol_ref,label_ref")))
130 /* If the constant op does NOT satisfy Is20 nor Ihig,
131 we can not perform move behavior by a single instruction. */
132 if (GET_CODE (op) == CONST_VECTOR
133 && !satisfies_constraint_CVs2 (op)
134 && !satisfies_constraint_CVhi (op))
140 (define_predicate "nds32_and_operand"
141 (match_operand 0 "nds32_reg_constant_operand")
144 || GET_CODE (op) == SUBREG
145 || satisfies_constraint_Izeb (op)
146 || satisfies_constraint_Izeh (op)
147 || satisfies_constraint_Ixls (op)
148 || satisfies_constraint_Ix11 (op)
149 || satisfies_constraint_Ibms (op)
150 || satisfies_constraint_Ifex (op)
151 || satisfies_constraint_Iu15 (op)
152 || satisfies_constraint_Ii15 (op)
153 || satisfies_constraint_Ic15 (op);
156 (define_predicate "nds32_ior_operand"
157 (match_operand 0 "nds32_reg_constant_operand")
160 || GET_CODE (op) == SUBREG
161 || satisfies_constraint_Iu15 (op)
162 || satisfies_constraint_Ie15 (op);
165 (define_predicate "nds32_xor_operand"
166 (match_operand 0 "nds32_reg_constant_operand")
169 || GET_CODE (op) == SUBREG
170 || satisfies_constraint_Iu15 (op)
171 || satisfies_constraint_It15 (op);
174 (define_predicate "nds32_general_register_operand"
175 (match_code "reg,subreg")
177 if (GET_CODE (op) == SUBREG)
178 op = SUBREG_REG (op);
181 && (REGNO (op) >= FIRST_PSEUDO_REGISTER
182 || REGNO (op) <= NDS32_LAST_GPR_REGNUM));
185 (define_predicate "nds32_call_address_operand"
186 (ior (match_operand 0 "nds32_symbolic_operand")
187 (match_operand 0 "nds32_general_register_operand")))
189 (define_predicate "nds32_insv_operand"
190 (match_code "const_int")
192 return INTVAL (op) == 0
195 || INTVAL (op) == 24;
198 (define_predicate "nds32_lmw_smw_base_operand"
199 (and (match_code "mem")
200 (match_test "nds32_valid_smw_lwm_base_p (op)")))
202 (define_predicate "float_even_register_operand"
203 (and (match_code "reg")
204 (and (match_test "REGNO (op) >= NDS32_FIRST_FPR_REGNUM")
205 (match_test "REGNO (op) <= NDS32_LAST_FPR_REGNUM")
206 (match_test "(REGNO (op) & 1) == 0"))))
208 (define_predicate "float_odd_register_operand"
209 (and (match_code "reg")
210 (and (match_test "REGNO (op) >= NDS32_FIRST_FPR_REGNUM")
211 (match_test "REGNO (op) <= NDS32_LAST_FPR_REGNUM")
212 (match_test "(REGNO (op) & 1) != 0"))))
214 (define_special_predicate "nds32_load_multiple_operation"
215 (match_code "parallel")
217 /* To verify 'load' operation, pass 'true' for the second argument.
218 See the implementation in nds32.c for details. */
219 return nds32_valid_multiple_load_store_p (op, true, false);
222 (define_special_predicate "nds32_load_multiple_and_update_address_operation"
223 (match_code "parallel")
225 /* To verify 'load' operation, pass 'true' for the second argument.
226 to verify 'update address' operation, pass 'true' for the third argument
227 See the implementation in nds32.c for details. */
228 return nds32_valid_multiple_load_store_p (op, true, true);
231 (define_special_predicate "nds32_store_multiple_operation"
232 (match_code "parallel")
234 /* To verify 'store' operation, pass 'false' for the second argument.
235 See the implementation in nds32.c for details. */
236 return nds32_valid_multiple_load_store_p (op, false, false);
239 (define_special_predicate "nds32_store_multiple_and_update_address_operation"
240 (match_code "parallel")
242 /* To verify 'store' operation, pass 'false' for the second argument,
243 to verify 'update address' operation, pass 'true' for the third argument
244 See the implementation in nds32.c for details. */
245 return nds32_valid_multiple_load_store_p (op, false, true);
248 (define_special_predicate "nds32_stack_push_operation"
249 (match_code "parallel")
251 /* To verify 'push' operation, pass 'true' for the second argument.
252 See the implementation in nds32-predicates.c for details. */
253 return nds32_valid_stack_push_pop_p (op, true);
256 (define_special_predicate "nds32_stack_pop_operation"
257 (match_code "parallel")
259 /* To verify 'pop' operation, pass 'false' for the second argument.
260 See the implementation in nds32-predicates.c for details. */
261 return nds32_valid_stack_push_pop_p (op, false);
264 ;; ------------------------------------------------------------------------