OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [score/] [predicates.md] - Blame information for rev 461

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 282 jeremybenn
;; Predicate definitions for Sunplus S+CORE.
2
;; Copyright (C) 2005, 2007 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
;; .
19
 
20
(define_predicate "const_uimm5"
21
  (match_code "const_int")
22
{
23
  return IMM_IN_RANGE (INTVAL (op), 5, 0);
24
})
25
 
26
(define_predicate "const_simm12"
27
  (match_code "const_int")
28
{
29
  return IMM_IN_RANGE (INTVAL (op), 12, 1);
30
})
31
 
32
(define_predicate "const_simm15"
33
  (match_code "const_int")
34
{
35
  return IMM_IN_RANGE (INTVAL (op), 15, 1);
36
})
37
 
38
(define_predicate "arith_operand"
39
  (ior (match_code "const_int")
40
       (match_operand 0 "register_operand")))
41
 
42
(define_predicate "score_register_operand"
43
  (match_code "reg,subreg")
44
{
45
  if (GET_CODE (op) == SUBREG)
46
    op = SUBREG_REG (op);
47
 
48
  return (GET_CODE (op) == REG)
49
          && (REGNO (op) != CC_REGNUM);
50
})
51
 
52
(define_predicate "const_call_insn_operand"
53
  (match_code "const,symbol_ref,label_ref")
54
{
55
  enum score_symbol_type symbol_type;
56
 
57
  return (score_symbolic_constant_p (op, &symbol_type)
58
          && (symbol_type == SYMBOL_GENERAL));
59
})
60
 
61
(define_predicate "call_insn_operand"
62
  (ior (match_operand 0 "const_call_insn_operand")
63
       (match_operand 0 "register_operand")))
64
 
65
(define_predicate "hireg_operand"
66
  (and (match_code "reg")
67
       (match_test "REGNO (op) == HI_REGNUM")))
68
 
69
(define_predicate "loreg_operand"
70
  (and (match_code "reg")
71
       (match_test "REGNO (op) == LO_REGNUM")))
72
 
73
(define_predicate "sr0_operand"
74
  (and (match_code "reg")
75
       (match_test "REGNO (op) == CN_REGNUM")))
76
 
77
(define_predicate "g32reg_operand"
78
  (and (match_code "reg")
79
       (match_test "GP_REG_P (REGNO (op))")))
80
 
81
(define_predicate "branch_n_operator"
82
  (match_code "lt,ge"))
83
 
84
(define_predicate "branch_nz_operator"
85
  (match_code "eq,ne,lt,ge"))
86
 
87
(define_predicate "score_load_multiple_operation"
88
  (match_code "parallel")
89
{
90
  int count = XVECLEN (op, 0);
91
  int dest_regno;
92
  rtx src_addr;
93
  int i;
94
 
95
  /* Perform a quick check so we don't blow up below.  */
96
  if (count <= 1
97
      || GET_CODE (XVECEXP (op, 0, 0)) != SET
98
      || GET_CODE (SET_DEST (XVECEXP (op, 0, 0))) != REG
99
      || GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != MEM)
100
    return 0;
101
 
102
  dest_regno = REGNO (SET_DEST (XVECEXP (op, 0, 0)));
103
  src_addr = XEXP (SET_SRC (XVECEXP (op, 0, 0)), 0);
104
 
105
  for (i = 1; i < count; i++)
106
    {
107
      rtx elt = XVECEXP (op, 0, i);
108
 
109
      if (GET_CODE (elt) != SET
110
          || GET_CODE (SET_DEST (elt)) != REG
111
          || GET_MODE (SET_DEST (elt)) != SImode
112
          || REGNO (SET_DEST (elt)) != (unsigned) (dest_regno + i)
113
          || GET_CODE (SET_SRC (elt)) != MEM
114
          || GET_MODE (SET_SRC (elt)) != SImode
115
          || GET_CODE (XEXP (SET_SRC (elt), 0)) != POST_INC)
116
        return 0;
117
    }
118
 
119
  return 1;
120
})
121
 
122
(define_predicate "score_store_multiple_operation"
123
  (match_code "parallel")
124
{
125
  int count = XVECLEN (op, 0);
126
  int src_regno;
127
  rtx dest_addr;
128
  int i;
129
 
130
  /* Perform a quick check so we don't blow up below.  */
131
  if (count <= 1
132
      || GET_CODE (XVECEXP (op, 0, 0)) != SET
133
      || GET_CODE (SET_DEST (XVECEXP (op, 0, 0))) != MEM
134
      || GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != REG)
135
    return 0;
136
 
137
  src_regno = REGNO (SET_SRC (XVECEXP (op, 0, 0)));
138
  dest_addr = XEXP (SET_DEST (XVECEXP (op, 0, 0)), 0);
139
 
140
  for (i = 1; i < count; i++)
141
    {
142
      rtx elt = XVECEXP (op, 0, i);
143
 
144
      if (GET_CODE (elt) != SET
145
          || GET_CODE (SET_SRC (elt)) != REG
146
          || GET_MODE (SET_SRC (elt)) != SImode
147
          || REGNO (SET_SRC (elt)) != (unsigned) (src_regno + i)
148
          || GET_CODE (SET_DEST (elt)) != MEM
149
          || GET_MODE (SET_DEST (elt)) != SImode
150
          || GET_CODE (XEXP (SET_DEST (elt), 0)) != PRE_DEC)
151
        return 0;
152
    }
153
 
154
  return 1;
155
})
156
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.