;; Predicate definitions for eBPF. ;; Copyright (C) 2019-2021 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 “reg_or_imm_operand” (ior (and (match_code “const_int”) (match_test “IN_RANGE (INTVAL (op), -1 - 0x7fffffff, 0x7fffffff)”)) (match_operand 0 “register_operand”)))

(define_predicate “imm32_operand” (ior (and (match_code “const_int”) (match_test “IN_RANGE (INTVAL (op), 0, 0xffffffff)”)) (match_code “symbol_ref,label_ref,const”)))

(define_predicate “lddw_operand” (match_code “symbol_ref,label_ref,const,const_double,const_int”))

(define_predicate “call_operand” (match_code “reg,symbol_ref,const_int,const”) { if (GET_CODE (op) == CONST) { op = XEXP (op, 0);

  switch (GET_CODE (op))
{
case SYMBOL_REF:
case LABEL_REF:
case CONST_INT:
  return true;
  break;
default:
  break;
}

  return false;
}

return true; })

(define_predicate “mov_src_operand” (ior (match_operand 0 “memory_operand”) (match_operand 0 “reg_or_imm_operand”) (match_operand 0 “lddw_operand”)))

(define_predicate “register_compare_operator” (match_code “eq,ne,geu,gtu,ge,gt”))