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
|
/* $OpenBSD: order.c,v 1.2 2008/04/11 20:45:52 stefan Exp $ */
/*
* Copyright (c) 2008 David Crawshaw <david@zentus.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "pass2.h"
int
notoff(TWORD t, int r, CONSZ off, char *cp)
{
return 0;
}
/*
* Turn a UMUL-referenced node into OREG.
*/
void
offstar(NODE *p, int shape)
{
if (x2debug)
printf("offstar(%p)\n", p);
if (p->n_op == PLUS || p->n_op == MINUS) {
if (p->n_right->n_op == ICON) {
if (isreg(p->n_left) == 0)
(void)geninsn(p->n_left, INAREG);
/* Converted in ormake() */
return;
}
}
(void)geninsn(p, INAREG);
}
void
myormake(NODE *q)
{
}
int
shumul(NODE *p)
{
return SOREG;
}
int
setbin(NODE *p)
{
return 0;
}
int
setasg(NODE *p, int cookie)
{
return 0;
}
int
setuni(NODE *p, int cookie)
{
return 0;
}
struct rspecial *
nspecial(struct optab *q)
{
switch (q->op) {
case STASG: {
static struct rspecial s[] = {
{ NEVER, O0 },
{ NRIGHT, O1 },
{ NEVER, O2 },
{ 0 }
};
return s;
}
}
comperr("unknown nspecial %d: %s", q - table, q->cstring);
return 0; /* XXX */
}
int
setorder(NODE *p)
{
return 0;
}
int *
livecall(NODE *p)
{
static int ret[] = { O0, O1, O2, O3, O4, O5, O6, O7, -1 };
return ret;
}
int
acceptable(struct optab *op)
{
return 1;
}
|