1 ;; Predicate definitions for GCN.
2 ;; Copyright (C) 2016-2021 Free Software Foundation, Inc.
4 ;; This file is part of GCC.
6 ;; GCC is free software; you can redistribute it and/or modify
7 ;; it under the terms of the GNU General Public License as published by
8 ;; the Free Software Foundation; either version 3, or (at your option)
11 ;; GCC is distributed in the hope that it will be useful,
12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;; GNU General Public License for more details.
16 ;; You should have received a copy of the GNU General Public License
17 ;; along with GCC; see the file COPYING3. If not see
18 ;; <http://www.gnu.org/licenses/>.
19 ;; Return true if VALUE can be stored in a sign extended immediate field.
21 (define_predicate "gcn_conditional_register_operand"
22 (match_operand 0 "register_operand")
24 if (GET_CODE (op) == SUBREG)
27 if (!REG_P (op) || GET_MODE (op) != BImode)
30 return REGNO (op) == VCCZ_REG
31 || REGNO (op) == VCC_REG /* Implied VCCZ. */
32 || REGNO (op) == SCC_REG
33 || REGNO (op) == EXECZ_REG
34 || REGNO (op) >= FIRST_PSEUDO_REGISTER;
37 (define_predicate "gcn_ssrc_register_operand"
38 (match_operand 0 "register_operand")
40 if (GET_CODE (op) == SUBREG)
46 return SSRC_REGNO_P (REGNO (op)) || REGNO (op) >= FIRST_PSEUDO_REGISTER;
49 (define_predicate "gcn_sdst_register_operand"
50 (match_operand 0 "register_operand")
52 if (GET_CODE (op) == SUBREG)
58 return SDST_REGNO_P (REGNO (op)) || REGNO (op) >= FIRST_PSEUDO_REGISTER;
61 (define_predicate "gcn_vgpr_register_operand"
62 (match_operand 0 "register_operand")
64 if (GET_CODE (op) == SUBREG)
70 return VGPR_REGNO_P (REGNO (op)) || REGNO (op) >= FIRST_PSEUDO_REGISTER;
73 (define_predicate "gcn_inline_immediate_operand"
74 (match_code "const_int,const_double,const_vector")
76 return gcn_inline_constant_p (op);
79 (define_predicate "gcn_vop3_operand"
80 (ior (match_operand 0 "gcn_inline_immediate_operand")
81 (match_operand 0 "register_operand")))
83 (define_predicate "gcn_vec0_operand"
84 (match_code "const_vector")
86 return CONST_VECTOR_ELT (op, 0) == const0_rtx && gcn_inline_constant_p (op);
89 (define_predicate "gcn_vec1_operand"
90 (match_code "const_vector")
92 return CONST_VECTOR_ELT (op, 0) == const1_rtx && gcn_inline_constant_p (op);
95 (define_predicate "gcn_vec1d_operand"
96 (match_code "const_vector")
98 if (!gcn_inline_constant_p (op))
101 rtx elem = CONST_VECTOR_ELT (op, 0);
102 if (!CONST_DOUBLE_P (elem))
104 return real_identical (CONST_DOUBLE_REAL_VALUE (elem), &dconst1);
107 (define_predicate "gcn_const1d_operand"
108 (match_code "const_double")
110 return gcn_inline_constant_p (op)
111 && real_identical (CONST_DOUBLE_REAL_VALUE (op), &dconst1);
114 (define_predicate "gcn_32bit_immediate_operand"
115 (match_code "const_int,const_double,const_vector,symbol_ref,label_ref")
117 return gcn_constant_p (op);
120 ; LRA works smoother when exec values are immediate constants
121 ; prior register allocation.
122 (define_predicate "gcn_exec_operand"
123 (ior (match_operand 0 "register_operand")
124 (match_code "const_int")))
126 (define_predicate "gcn_exec_reg_operand"
127 (match_operand 0 "register_operand"))
129 (define_predicate "gcn_load_operand"
130 (ior (match_operand 0 "nonimmediate_operand")
131 (match_operand 0 "gcn_32bit_immediate_operand")))
133 (define_predicate "gcn_alu_operand"
134 (ior (match_operand 0 "register_operand")
135 (match_operand 0 "gcn_32bit_immediate_operand")))
137 (define_predicate "gcn_ds_memory_operand"
138 (and (match_code "mem")
139 (and (match_test "AS_ANY_DS_P (MEM_ADDR_SPACE (op))")
140 (match_operand 0 "memory_operand"))))
142 (define_predicate "gcn_valu_dst_operand"
143 (ior (match_operand 0 "register_operand")
144 (match_operand 0 "gcn_ds_memory_operand")))
146 (define_predicate "gcn_valu_src0_operand"
147 (ior (match_operand 0 "register_operand")
148 (ior (match_operand 0 "gcn_32bit_immediate_operand")
149 (match_operand 0 "gcn_ds_memory_operand"))))
151 (define_predicate "gcn_valu_src1_operand"
152 (match_operand 0 "register_operand"))
154 (define_predicate "gcn_valu_src1com_operand"
155 (ior (match_operand 0 "register_operand")
156 (match_operand 0 "gcn_32bit_immediate_operand")))
158 (define_predicate "gcn_conditional_operator"
159 (match_code "eq,ne"))
161 (define_predicate "gcn_compare_64bit_operator"
162 (match_code "eq,ne"))
164 (define_predicate "gcn_compare_operator"
165 (match_code "eq,ne,gt,ge,lt,le,gtu,geu,ltu,leu"))
167 (define_predicate "gcn_fp_compare_operator"
168 (match_code "eq,ne,gt,ge,lt,le,gtu,geu,ltu,leu,ordered,unordered,uneq,unge,ungt,unle,unlt,ltgt"))
170 (define_predicate "unary_operator"
171 (match_code "not,popcount"))
173 (define_predicate "binary_operator"
174 (match_code "and,ior,xor,ashift,lshiftrt,ashiftrt,smin,smax,umin,umax"))
176 (define_predicate "gcn_unspec_operand"
177 (and (match_code "unspec")
178 (match_test "XINT (op, 1) == UNSPEC_VECTOR")))
180 (define_predicate "general_or_unspec_operand"
181 (ior (match_operand 0 "general_operand")
182 (and (match_code "unspec")
183 (match_test "XINT (op, 1) == UNSPEC_VECTOR"))))
185 (define_predicate "gcn_register_or_unspec_operand"
186 (ior (match_operand 0 "register_operand")
187 (and (match_code "unspec")
188 (match_test "XINT (op, 1) == UNSPEC_VECTOR"))))
190 (define_predicate "gcn_alu_or_unspec_operand"
191 (ior (match_operand 0 "gcn_alu_operand")
192 (and (match_code "unspec")
193 (match_test "XINT (op, 1) == UNSPEC_VECTOR"))))
195 (define_predicate "gcn_register_ds_or_unspec_operand"
196 (ior (match_operand 0 "register_operand")
197 (ior (match_operand 0 "gcn_ds_memory_operand")
198 (and (match_code "unspec")
199 (match_test "XINT (op, 1) == UNSPEC_VECTOR")))))