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
|
{
Copyright (c) 1998-2002 by Mazen NEIFER
This unit contains the SPARC GAS instruction tables
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
unit itcpugas;
{$i fpcdefs.inc}
interface
uses
cpubase,cgbase;
const
gas_op2str : array[tasmop] of string[14] = ({$INCLUDE strinst.inc});
function gas_regnum_search(const s:string):Tregister;
function gas_regname(r:Tregister):string;
implementation
uses
cutils,verbose;
const
gas_regname_table : array[tregisterindex] of string[7] = (
{$i rspstd.inc}
);
gas_regname_index : array[tregisterindex] of tregisterindex = (
{$i rspsri.inc}
);
function findreg_by_gasname(const s:string):tregisterindex;
var
i,p : tregisterindex;
begin
{Binary search.}
p:=0;
i:=regnumber_count_bsstart;
repeat
if (p+i<=high(tregisterindex)) and (gas_regname_table[gas_regname_index[p+i]]<=s) then
p:=p+i;
i:=i shr 1;
until i=0;
if gas_regname_table[gas_regname_index[p]]=s then
findreg_by_gasname:=gas_regname_index[p]
else
findreg_by_gasname:=0;
end;
function gas_regnum_search(const s:string):Tregister;
begin
result:=regnumber_table[findreg_by_gasname(s)];
end;
function gas_regname(r:Tregister):string;
var
hr : tregister;
p : longint;
begin
{ Double uses the same table as single }
hr:=r;
case getsubreg(hr) of
R_SUBFD:
setsubreg(hr,R_SUBFS);
R_SUBL,R_SUBW,R_SUBD,R_SUBQ:
setsubreg(hr,R_SUBD);
end;
p:=findreg_by_number(hr);
if p<>0 then
result:=gas_regname_table[p]
else
result:=generic_regname(r);
end;
end.
|
