;; Predicate definitions for Xtensa. ;; Copyright (C) 2005-2018 Free Software Foundation, Inc. ;; ;; This file is part of GCC. ;; ;; GCC is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 3, or (at your option) ;; any later version. ;; ;; GCC is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; ;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; http://www.gnu.org/licenses/.
(define_predicate “add_operand” (ior (and (match_code “const_int”) (match_test “xtensa_simm8 (INTVAL (op)) || xtensa_simm8x256 (INTVAL (op))”)) (match_operand 0 “register_operand”)))
(define_predicate “addsubx_operand” (and (match_code “const_int”) (match_test “INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8”)))
(define_predicate “arith_operand” (ior (and (match_code “const_int”) (match_test “xtensa_simm8 (INTVAL (op))”)) (match_operand 0 “register_operand”)))
;; Non-immediate operand excluding the constant pool. (define_predicate “nonimmed_operand” (ior (and (match_operand 0 “memory_operand”) (match_test “!constantpool_mem_p (op)”)) (match_operand 0 “register_operand”)))
;; Memory operand excluding the constant pool. (define_predicate “mem_operand” (and (match_operand 0 “memory_operand”) (match_test “!constantpool_mem_p (op)”)))
;; Memory operand in the constant pool. (define_predicate “constantpool_operand” (match_test “constantpool_mem_p (op)”))
(define_predicate “mask_operand” (ior (and (match_code “const_int”) (match_test “xtensa_mask_immediate (INTVAL (op))”)) (match_operand 0 “register_operand”)))
(define_predicate “extui_fldsz_operand” (and (match_code “const_int”) (match_test “xtensa_mask_immediate ((1 << INTVAL (op)) - 1)”)))
(define_predicate “sext_operand” (if_then_else (match_test “TARGET_SEXT”) (match_operand 0 “nonimmed_operand”) (match_operand 0 “mem_operand”)))
(define_predicate “sext_fldsz_operand” (and (match_code “const_int”) (match_test “INTVAL (op) >= 8 && INTVAL (op) <= 23”)))
(define_predicate “lsbitnum_operand” (and (match_code “const_int”) (match_test “BITS_BIG_ENDIAN ? (INTVAL (op) == BITS_PER_WORD - 1) : (INTVAL (op) == 0)”)))
(define_predicate “branch_operand” (ior (and (match_code “const_int”) (match_test “xtensa_b4const_or_zero (INTVAL (op))”)) (match_operand 0 “register_operand”)))
(define_predicate “ubranch_operand” (ior (and (match_code “const_int”) (match_test “xtensa_b4constu (INTVAL (op))”)) (match_operand 0 “register_operand”)))
(define_predicate “call_insn_operand” (match_code “const_int,const,symbol_ref,reg”) { if ((GET_CODE (op) == REG) && (op != arg_pointer_rtx) && ((REGNO (op) < FRAME_POINTER_REGNUM) || (REGNO (op) > LAST_VIRTUAL_REGISTER))) return true;
if (CONSTANT_ADDRESS_P (op)) { /* Direct calls only allowed to static functions with PIC. */ if (flag_pic) { tree callee; const char * callee_sec, * caller_sec;
if (GET_CODE (op) != SYMBOL_REF || !SYMBOL_REF_LOCAL_P (op) || SYMBOL_REF_EXTERNAL_P (op)) return false; /* Don't attempt a direct call if the callee is known to be in a different section, since there's a good chance it will be out of range. */ if (flag_function_sections || DECL_ONE_ONLY (current_function_decl)) return false; caller_sec = DECL_SECTION_NAME (current_function_decl); callee = SYMBOL_REF_DECL (op); if (callee) { if (DECL_ONE_ONLY (callee)) return false; callee_sec = DECL_SECTION_NAME (callee); if (((caller_sec == NULL) ^ (callee_sec == NULL)) || (caller_sec != NULL && caller_sec != callee_sec)) return false; } else if (caller_sec) return false; } return true; }
return false; })
(define_predicate “move_operand” (ior (ior (match_operand 0 “register_operand”) (and (match_operand 0 “memory_operand”) (match_test “!constantpool_mem_p (op) || GET_MODE_SIZE (mode) % UNITS_PER_WORD == 0”))) (ior (and (match_code “const_int”) (match_test “GET_MODE_CLASS (mode) == MODE_INT && xtensa_simm12b (INTVAL (op))”)) (and (match_code “const_int,const_double,const,symbol_ref,label_ref”) (match_test “(TARGET_CONST16 || TARGET_AUTO_LITPOOLS) && CONSTANT_P (op) && GET_MODE_SIZE (mode) % UNITS_PER_WORD == 0”)))))
;; Accept the floating point constant 1 in the appropriate mode. (define_predicate “const_float_1_operand” (match_code “const_double”) { return real_equal (CONST_DOUBLE_REAL_VALUE (op), &dconst1); })
(define_predicate “fpmem_offset_operand” (and (match_code “const_int”) (match_test “xtensa_mem_offset (INTVAL (op), SFmode)”)))
(define_predicate “branch_operator” (match_code “eq,ne,lt,ge”))
(define_predicate “ubranch_operator” (match_code “ltu,geu”))
(define_predicate “boolean_operator” (match_code “eq,ne”))
(define_predicate “xtensa_cstoresi_operator” (match_code “eq,ne,gt,ge,lt,le”))
(define_predicate “tls_symbol_operand” (and (match_code “symbol_ref”) (match_test “SYMBOL_REF_TLS_MODEL (op) != 0”)))