source: icGREP/icgrep-devel/icgrep/kernels/scanmatchgen.h @ 5425

Last change on this file since 5425 was 5411, checked in by nmedfort, 2 years ago

Potential bug fix for 32-bit. Modified MRemap to check for Linux OS support. Added MMapAdvise to CBuilder.

File size: 879 bytes
Line 
1/*
2 *  Copyright (c) 2016 International Characters.
3 *  This software is licensed to the public under the Open Software License 3.0.
4 */
5#ifndef SCANMATCHGEN_H
6#define SCANMATCHGEN_H
7
8#include "grep_type.h"
9#include "kernel.h"
10namespace IDISA { class IDISA_Builder; }
11namespace llvm { class Function; }
12namespace llvm { class Module; }
13
14namespace kernel {
15   
16class ScanMatchKernel final : public BlockOrientedKernel {
17public:
18    ScanMatchKernel(IDISA::IDISA_Builder * const iBuilder, const GrepType grepType, const unsigned codeUnitWidth);
19    bool moduleIDisSignature() override { return true; }
20protected:
21    void generateDoBlockMethod() override;
22private:
23    llvm::Value * makeForwardZeroesMask(llvm::Value * const value) const;
24    llvm::Value * resetLowestBit(llvm::Value * const value) const;
25private:
26    const GrepType      mGrepType;
27};
28}
29
30#endif // SCANMATCHGEN_H
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