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
|
/* $Id$
*
* Jb: jump below (intermediate opcode)
*
* Copyright (C) 2008-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __JB_HPP_INCLUDED
#define __JB_HPP_INCLUDED
#include "intermediate/opcodes/OpCode.hpp"
#include "intermediate/operands/Operand.hpp"
#include "intermediate/container/Label.hpp"
namespace intermediate {
//! jump below
/** This class will jump to target, in case left is smaller than right.
*
* Read operands: left, right, trg.
*
* left operand one comparison operand (integer)
* right operand second comparison operand (integer)
* trg destination address (label only)
*
* Operation: if (left < right) /PC/ = trg;
*/
class Jb : public OpCode {
public:
//! c'tor
/** @param l left operand to compare
* @param r right operand to compare
* @param target jump to target, if l<r.
*/
Jb(
Operand *l,
Operand *r,
Label *target
) : left(l), right(r), trg(target) {}
//! Accept a Visitor.
/** All intermediate code nodes need to implement this method.
*
* @param v the Visitor that can visit this node.
*/
virtual void accept(Visitor& v) {
v.visit(*this);
}
//! left operand
Operand *left;
//! right operand
Operand *right;
//! destination, if left==right.
Label *trg;
protected:
virtual ~Jb() {
util::MiscUtil::terminate(this->left);
util::MiscUtil::terminate(this->right);
util::MiscUtil::terminate(this->trg);
}
};
}; /* namespace intermediate */
#endif /* __JB_HPP_INCLUDED */
|
