1;; Predicate definitions for Tilera TILEPro chip. 2;; Copyright (C) 2011-2020 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 network register identifier. 33(define_predicate "netreg_operand" 34 (and (match_code "const_int") 35 (match_test "IN_RANGE (INTVAL (op), 0, 6)"))) 36 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)"))) 41 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)"))) 46 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)"))) 51 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)"))) 56 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)"))) 61 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)"))) 66 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"))) 71 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 79 (unwrap_const_vec_duplicate (op)))")))) 80 81;; Return 1 if OP is a 2-element vector constant with identical signed 82;; 8-bit elements or any register. 83(define_predicate "reg_or_v2s8bit_operand" 84 (ior (match_operand 0 "register_operand") 85 (and (match_code "const_vector") 86 (match_test "CONST_VECTOR_NUNITS (op) == 2 87 && (satisfies_constraint_I 88 (unwrap_const_vec_duplicate (op)))")))) 89 90;; Return 1 if the operand is a valid second operand to an add insn. 91(define_predicate "add_operand" 92 (if_then_else (match_code "const_int") 93 (match_test "satisfies_constraint_J (op) || satisfies_constraint_K (op)") 94 (match_operand 0 "register_operand"))) 95 96;; Return 1 if the operand is a register or signed 8-bit immediate operand. 97(define_predicate "reg_or_s8bit_operand" 98 (if_then_else (match_code "const_int") 99 (match_test "satisfies_constraint_I (op)") 100 (match_operand 0 "register_operand"))) 101 102;; Return 1 for an operand suitable for ANDing with a register. 103(define_predicate "and_operand" 104 (if_then_else (match_code "const_int") 105 (match_test "satisfies_constraint_I (op) || satisfies_constraint_M (op)") 106 (match_operand 0 "register_operand"))) 107 108;; Return 1 if the operand is a register or unsigned 5-bit immediate operand. 109(define_predicate "reg_or_u5bit_operand" 110 (if_then_else (match_code "const_int") 111 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)") 112 (match_operand 0 "register_operand"))) 113 114; Return 1 if the operand is 2, 4 or 8. 115(define_predicate "cint_248_operand" 116 (and (match_code "const_int") 117 (match_test 118 "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8"))) 119 120 121;; Return true if OP is a TLS symbolic operand. 122(define_predicate "tls_symbolic_operand" 123 (and (match_code "symbol_ref") 124 (match_test "SYMBOL_REF_TLS_MODEL (op) != TLS_MODEL_NONE"))) 125 126;; Return true if OP is a symbolic operand for the TLS Global Dynamic model. 127(define_predicate "tls_gd_symbolic_operand" 128 (and (match_code "symbol_ref") 129 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC"))) 130 131;; Return true if OP is a symbolic operand for the TLS Local Dynamic model. 132(define_predicate "tls_ld_symbolic_operand" 133 (and (match_code "symbol_ref") 134 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC"))) 135 136;; Return true if OP is a symbolic operand that can be used for the 137;; TLS Initial Exec model. 138(define_predicate "tls_ie_symbolic_operand" 139 (and (match_code "symbol_ref") 140 (ior (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC") 141 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))) 142 143;; Return true if OP is a symbolic operand for the TLS Local Exec model. 144(define_predicate "tls_le_symbolic_operand" 145 (and (match_code "symbol_ref") 146 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC"))) 147 148;; Returns true if OP is any general operand except for an 149;; auto-incrementing address operand. 150(define_predicate "nonautoinc_operand" 151 (and (match_operand 0 "general_operand") 152 (not (ior (match_code "pre_dec") (match_code "pre_inc") 153 (match_code "post_dec") (match_code "post_inc") 154 (match_code "post_modify") (match_code "pre_modify"))))) 155 156;; Returns true if OP is a non-auto-incrementing memory operand. 157(define_predicate "nonautoincmem_operand" 158 (match_operand 0 "memory_operand") 159{ 160 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); 161}) 162 163;; Returns true if OP is a non-auto-incrementing memory, general 164;; operand. 165(define_predicate "nonautoincmem_general_operand" 166 (match_operand 0 "general_operand") 167{ 168 if (memory_operand (op, mode)) 169 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); 170 else 171 return true; 172}) 173 174;; Returns true if OP is a non-auto-incrementing memory, non-immediate 175;; operand. 176(define_predicate "nonautoincmem_nonimmediate_operand" 177 (match_operand 0 "nonimmediate_operand") 178{ 179 if (memory_operand (op, mode)) 180 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); 181 else 182 return true; 183}) 184 185;; Return true if OP is a valid operand for the source of a move insn. 186(define_predicate "move_operand" 187 (match_operand 0 "general_operand") 188{ 189 /* If both modes are non-void they must be the same. */ 190 if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op)) 191 return false; 192 193 if (GET_MODE_SIZE (mode) > 4) 194 return false; 195 196 switch (GET_CODE (op)) 197 { 198 case CONST_INT: 199 return (satisfies_constraint_J (op) 200 || satisfies_constraint_K (op) 201 || satisfies_constraint_N (op) 202 || satisfies_constraint_P (op)); 203 204 case HIGH: 205 return true; 206 207 case MEM: 208 return memory_address_p (mode, XEXP (op, 0)); 209 210 default: 211 return register_operand (op, mode); 212 } 213}) 214 215;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref, 216;; possibly with an offset. 217(define_predicate "symbolic_operand" 218 (ior (match_code "symbol_ref,label_ref") 219 (and (match_code "const") 220 (match_test "GET_CODE (XEXP (op,0)) == PLUS 221 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF 222 || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF) 223 && CONST_INT_P (XEXP (XEXP (op,0), 1))")))) 224 225;; Returns 1 if OP is a symbolic operand, or a const unspec wrapper 226;; representing a got reference, a tls reference, or pc-relative 227;; reference. 228(define_predicate "const_symbolic_operand" 229 (ior (match_operand 0 "symbolic_operand") 230 (and (match_code "const") 231 (match_test "GET_CODE (XEXP (op,0)) == UNSPEC") 232 (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_GOT16_SYM") 233 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_GOT32_SYM") 234 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_PCREL_SYM") 235 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_GD") 236 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_IE") 237 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_LE"))))) 238 239;; Return true if OP is an address suitable for a call insn. 240;; Call insn on TILE can take a PC-relative constant address 241;; or any regular memory address. 242(define_predicate "call_address_operand" 243 (ior (match_operand 0 "symbolic_operand") 244 (match_test "memory_address_p (Pmode, op)"))) 245 246;; Return true if OP is an operand suitable for a call insn. 247(define_predicate "call_operand" 248 (and (match_code "mem") 249 (match_test "call_address_operand (XEXP (op, 0), mode)"))) 250 251;; Return 1 if OP is a signed comparison operation. 252;; We can use these directly in compares against zero. 253(define_predicate "signed_comparison_operator" 254 (match_code "eq,ne,le,lt,ge,gt")) 255 256;; Return 1 if OP is a equal or not-equal operation. 257(define_predicate "eqne_operator" 258 (match_code "eq,ne")) 259