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
65
66
67
68
69
70
71
72
73
74
75
76
77
|
;; Predicate definitions for ATMEL AVR micro controllers.
;; Copyright (C) 2006, 2007 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 2, 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 COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;; Registers from r0 to r15.
(define_predicate "l_register_operand"
(and (match_code "reg")
(match_test "REGNO (op) <= 15")))
;; Registers from r16 to r31.
(define_predicate "d_register_operand"
(and (match_code "reg")
(match_test "REGNO (op) >= 16 && REGNO (op) <= 31")))
;; SP register.
(define_predicate "stack_register_operand"
(and (match_code "reg")
(match_test "REGNO (op) == REG_SP")))
;; Return true if OP is a valid address for lower half of I/O space.
(define_predicate "low_io_address_operand"
(and (match_code "const_int")
(match_test "IN_RANGE((INTVAL (op)), 0x20, 0x3F)")))
;; Return true if OP is a valid address for high half of I/O space.
(define_predicate "high_io_address_operand"
(and (match_code "const_int")
(match_test "IN_RANGE((INTVAL (op)), 0x40, 0x5F)")))
;; Returns 1 if OP is a SYMBOL_REF.
(define_predicate "symbol_ref_operand"
(match_code "symbol_ref"))
;; Return true if OP is a constant that contains only one 1 in its
;; binary representation.
(define_predicate "single_one_operand"
(and (match_code "const_int")
(match_test "exact_log2(INTVAL (op) & GET_MODE_MASK (mode)) >= 0")))
;; Return true if OP is a constant that contains only one 0 in its
;; binary representation.
(define_predicate "single_zero_operand"
(and (match_code "const_int")
(match_test "exact_log2(~INTVAL (op) & GET_MODE_MASK (mode)) >= 0")))
;; True for EQ & NE
(define_predicate "eqne_operator"
(match_code "eq,ne"))
;; True for GE & LT
(define_predicate "gelt_operator"
(match_code "ge,lt"))
;; True for GT, GTU, LE & LEU
(define_predicate "difficult_comparison_operator"
(match_code "gt,gtu,le,leu"))
;; False for GT, GTU, LE & LEU
(define_predicate "simple_comparison_operator"
(and (match_operand 0 "comparison_operator")
(not (match_code "gt,gtu,le,leu"))))
|
