1 ;; Predicate definitions for FT32
2 ;; Copyright (C) 2015-2017 Free Software Foundation, Inc.
3 ;; Contributed by FTDI <support@ftdi.com>
5 ;; This file is part of GCC.
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.
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.
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/>.
21 ;; -------------------------------------------------------------------------
23 ;; -------------------------------------------------------------------------
25 ;; Nonzero if OP can be source of a simple move operation.
27 (define_predicate "ft32_general_movsrc_operand"
28 (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
30 /* Any (MEM LABEL_REF) is OK. That is a pc-relative load. */
31 if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == LABEL_REF)
35 && GET_CODE (XEXP (op, 0)) == PLUS
36 && GET_CODE (XEXP (XEXP (op, 0), 0)) == REG
37 && GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST)
40 return general_operand (op, mode);
43 (define_predicate "ft32_general_movdst_operand"
44 (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
47 && GET_CODE (XEXP (op, 0)) == PLUS
48 && GET_CODE (XEXP (XEXP (op, 0), 0)) == REG
49 && CONST_INT_P (XEXP (XEXP (op, 0), 1)))
51 if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == SYMBOL_REF)
54 (MEM_P(op) && REG_P(XEXP (op, 0)));
57 (define_predicate "reg_indirect"
60 return (MEM_P(op) && REG_P(XEXP (op, 0)));
63 ;; Nonzero if OP can be an operand to an add/inc/dec instruction.
65 (define_predicate "ft32_add_operand"
66 (ior (match_code "reg")
67 (and (match_code "const_int")
68 (match_test "IN_RANGE (INTVAL (op), -32768, 32767)"))))
70 ;; Nonzero if OP can be an operand to an sub/dec instruction.
72 (define_predicate "ft32_sub_operand"
73 (ior (match_code "reg")
74 (and (match_code "const_int")
75 (match_test "IN_RANGE (INTVAL (op), -32767, 32768)"))))
78 (define_predicate "ft32_rimm_operand"
79 (ior (match_code "reg")
80 (and (match_code "const_int")
81 (match_test "IN_RANGE (INTVAL (op), -512, 511)"))))
83 (define_predicate "ft32_imm_operand"
84 (and (match_code "const_int")
85 (match_test "IN_RANGE (INTVAL (op), -512, 511)")))
87 (define_predicate "ft32_bwidth_operand"
88 (and (match_code "const_int")
89 (match_test "IN_RANGE (INTVAL (op), 1, 16)")))