summaryrefslogtreecommitdiff
path: root/gcc/config/mn10300/constraints.md
blob: c6888264965af12d6a8556382f10c58614f1f563 (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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
;; Constraint definitions for the MN10300.
;; Copyright (C) 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.

(define_register_constraint "d" "DATA_REGS"
  "A data register.")

(define_register_constraint "a" "ADDRESS_REGS"
  "An address register.")

(define_register_constraint "y" "SP_REGS"
  "An SP register (if available).")

(define_register_constraint "x" "TARGET_AM33 ? EXTENDED_REGS : NO_REGS"
  "An extended register.")

(define_register_constraint "f" "TARGET_AM33_2 ? FP_REGS : NO_REGS"
  "A floating point register.")

(define_register_constraint "A" "TARGET_AM33_2 ? FP_ACC_REGS : NO_REGS"
  "A floating point accumulator register.")

(define_memory_constraint "Q"
  "@internal"
  (and (match_code "mem")
       (match_test "!CONSTANT_ADDRESS_P (XEXP (op, 0))")))

(define_memory_constraint "R"
  "@internal"
  (and (match_code "mem")
       (match_test "mode == QImode")
       (ior (match_test "CONSTANT_ADDRESS_P (XEXP (op, 0))")
	    (and (match_test "GET_CODE (XEXP (op, 0)) == REG")
		 (match_test "REG_OK_FOR_BIT_BASE_P (XEXP (op, 0))")
		 (match_test "XEXP (op, 0) != stack_pointer_rtx"))
	    (and (match_test "GET_CODE (XEXP (op, 0)) == PLUS")
		 (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == REG")
		 (match_test "REG_OK_FOR_BIT_BASE_P (XEXP (XEXP (op, 0), 0))")
		 (match_test "XEXP (XEXP (op, 0), 0) != stack_pointer_rtx")
		 (match_test "GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT")
		 (match_test "INT_8_BITS (INTVAL (XEXP (XEXP (op, 0), 1)))")))))

(define_memory_constraint "T"
  "@internal"
  (and (match_code "mem")
       (match_test "mode == QImode")
       (and (match_test "GET_CODE (XEXP (op, 0)) == REG")
	    (match_test "REG_OK_FOR_BIT_BASE_P (XEXP (op, 0))")
	    (match_test "XEXP (op, 0) != stack_pointer_rtx"))))

(define_constraint "S"
  "@internal"
  (if_then_else (match_test "flag_pic")
	(and (match_test "GET_CODE (op) == UNSPEC")
	     (ior (match_test "XINT (op, 1) == UNSPEC_PLT")
		  (match_test "XINT (op, 1) == UNSPEC_PIC")))
	(match_test "GET_CODE (op) == SYMBOL_REF")))

;; Integer constraints

(define_constraint "I"
  "An integer zero."
  (and (match_code "const_int")
       (match_test "ival == 0")))

(define_constraint "J"
  "An integer one."
  (and (match_code "const_int")
       (match_test "ival == 1")))

(define_constraint "K"
  "An integer two."
  (and (match_code "const_int")
       (match_test "ival == 2")))

(define_constraint "L"
  "An integer four."
  (and (match_code "const_int")
       (match_test "ival == 4")))

(define_constraint "M"
  "An integer three."
  (and (match_code "const_int")
       (match_test "ival == 3")))

(define_constraint "N"
  "An integer of either 255 or 65535."
  (and (match_code "const_int")
       (ior (match_test "ival == 255")
	    (match_test "ival == 65535"))))

;; Floating-point constraints
(define_constraint "G"
  "Floating-point zero."
  (and (match_code "const_double")
       (match_test "op == CONST0_RTX (mode)")))