source: icGREP/icgrep-devel/icgrep/pablo/pe_advance.h @ 4410

Last change on this file since 4410 was 4410, checked in by nmedfort, 5 years ago

Changes to support 3-operand form for all instructions. CSE disabled but partially redundant now.

File size: 1.4 KB
Line 
1/*
2 *  Copyright (c) 2014 International Characters.
3 *  This software is licensed to the public under the Open Software License 3.0.
4 *  icgrep is a trademark of International Characters.
5 */
6
7#ifndef PE_ADVANCE_H
8#define PE_ADVANCE_H
9
10#include "pabloAST.h"
11#include <pablo/symbol_generator.h>
12
13namespace pablo {
14
15class Advance : public Statement {
16    friend class PabloBlock;
17public:
18    static inline bool classof(const PabloAST * e) {
19        return e->getClassTypeId() == ClassTypeId::Advance;
20    }
21    static inline bool classof(const void *) {
22        return false;
23    }
24    virtual ~Advance() {
25    }
26    virtual PabloAST * getOperand(const unsigned index) const {
27        assert (index == 0);
28        return mExpr;
29    }
30    virtual void setOperand(const unsigned index, PabloAST * value) {
31        assert (index == 0);
32        mExpr = value;
33    }
34    virtual unsigned getNumOperands() const {
35        return 1;
36    }
37    inline PabloAST * getExpr() const {
38        return mExpr;
39    }
40    inline int getAdvanceAmount() const {
41        return mShiftAmount;
42    }
43protected:
44    Advance(PabloAST * expr, int shiftAmount, SymbolGenerator * sg, PabloBlock * parent)
45    : Statement(ClassTypeId::Advance, sg->make("advance"), parent)
46    , mExpr(expr)
47        , mShiftAmount(shiftAmount) {
48        expr->addUser(this);
49    }
50private:
51    PabloAST * mExpr;
52        int const mShiftAmount;
53};
54
55}
56
57#endif // PE_ADVANCE_H
58
59
60
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