blob: 5c3fb3f50823a7aedfdee25168bb0b0ab6ec2fd6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
;; GCC machine description for picochip
;; Copyright (C) 2008, 2009 Free Software Foundation, Inc.
;; Contributed by Picochip Ltd (http://www.picochip.com)
;; Maintained by Daniel Towner (dant@picochip.com) and Hariharan
;; Sandanagobalane (hariharan@picochip.com)
;;
;; 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_constraint "I"
"4-bits signed value"
(and (match_code "const_int")
(match_test " ival >= -8 && ival< 8")))
(define_constraint "J"
"4-bits unsigned value"
(and (match_code "const_int")
(match_test "ival>=0 && ival < 16")))
(define_constraint "K"
"8-bits signed value"
(and (match_code "const_int")
(match_test " ival >= -128 && ival < 128")))
(define_constraint "M"
"4-bits magnitude"
(and (match_code "const_int")
(match_test " abs(ival) < 16")))
(define_constraint "N"
"10-bits signed value"
(and (match_code "const_int")
(match_test "ival >= -512 && ival < 512")))
(define_constraint "O"
"16-bits signed value"
(and (match_code "const_int")
(match_test " ival >= -32768 && ival < 32768 ")))
(define_constraint "a"
"See if this is an absolute address in memory"
(and (match_code "mem")
(match_test "picochip_absolute_memory_operand(op,mode) == 1")))
(define_register_constraint "k" "FRAME_REGS"
"Frame regs")
(define_register_constraint "f" "PTR_REGS"
"Pointer regs")
(define_register_constraint "t" "TWIN_REGS"
"Twin regs")
|
