1;; Predicate definitions for Tilera TILEPro chip. 2;; Copyright (C) 2011-2013 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 (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)")))) 82 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)")))) 91 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"))) 97 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"))) 103 104;; 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"))) 109 110;; 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"))) 115 116; Return 1 if the operand is 2, 4 or 8. 117(define_predicate "cint_248_operand" 118 (and (match_code "const_int") 119 (match_test 120 "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8"))) 121 122 123;; 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"))) 127 128;; 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"))) 132 133;; 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"))) 137 138;; 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")))) 144 145;; 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"))) 149 150;; 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"))))) 157 158;; Returns true if OP is a non-auto-incrementing memory operand. 159(define_predicate "nonautoincmem_operand" 160 (match_operand 0 "memory_operand") 161{ 162 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); 163}) 164 165;; Returns true if OP is a non-auto-incrementing memory, general 166;; operand. 167(define_predicate "nonautoincmem_general_operand" 168 (match_operand 0 "general_operand") 169{ 170 if (memory_operand (op, mode)) 171 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); 172 else 173 return true; 174}) 175 176;; Returns true if OP is a non-auto-incrementing memory, non-immediate 177;; operand. 178(define_predicate "nonautoincmem_nonimmediate_operand" 179 (match_operand 0 "nonimmediate_operand") 180{ 181 if (memory_operand (op, mode)) 182 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); 183 else 184 return true; 185}) 186 187;; 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") 190{ 191 /* If both modes are non-void they must be the same. */ 192 if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op)) 193 return false; 194 195 if (GET_MODE_SIZE (mode) > 4) 196 return false; 197 198 switch (GET_CODE (op)) 199 { 200 case CONST_INT: 201 return (satisfies_constraint_J (op) 202 || satisfies_constraint_K (op) 203 || satisfies_constraint_N (op) 204 || satisfies_constraint_P (op)); 205 206 case HIGH: 207 return true; 208 209 case MEM: 210 return memory_address_p (mode, XEXP (op, 0)); 211 212 default: 213 return register_operand (op, mode); 214 } 215}) 216 217;; 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))")))) 226 227;; Returns 1 if OP is a symbolic operand, or a const unspec wrapper 228;; representing a got reference, a tls reference, or pc-relative 229;; reference. 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"))))) 240 241;; 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)"))) 247 248;; 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)"))) 252 253;; 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")) 257 258;; Return 1 if OP is a equal or not-equal operation. 259(define_predicate "eqne_operator" 260 (match_code "eq,ne")) 261