1;; Constraint definitions for eBPF.
2;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
3;;
4;; This file is part of GCC.
5;;
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)
9;; any later version.
10;;
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.
15;;
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
20(define_constraint "I"
21  "A 32-bit signed immediate."
22  (and (match_code "const_int")
23       (match_test "IN_RANGE (ival, -1 - 0x7fffffff, 0x7fffffff)")))
24
25(define_constraint "B"
26  "A constant argument for LDDW."
27  (match_code "const,symbol_ref,label_ref,const_double,const_int"))
28
29(define_constraint "S"
30  "A constant call address."
31  (match_code "const,symbol_ref,label_ref,const_int"))
32