source: icGREP/icgrep-devel/icgrep/IR_Gen/idisa_avx_builder.h @ 5977

Last change on this file since 5977 was 5977, checked in by cameron, 13 months ago

AVX512 subfeature detection and popcount from Cole with further modification

File size: 3.0 KB
Line 
1#ifndef IDISA_AVX_BUILDER_H
2#define IDISA_AVX_BUILDER_H
3
4/*
5 *  Copyright (c) 2015 International Characters.
6 *  This software is licensed to the public under the Open Software License 3.0.
7*/
8
9#include <IR_Gen/idisa_sse_builder.h>
10
11namespace IDISA {
12
13class IDISA_AVX_Builder : public IDISA_SSE2_Builder {
14public:
15
16    IDISA_AVX_Builder(llvm::LLVMContext & C, unsigned vectorWidth, unsigned stride)
17    : IDISA_Builder(C, vectorWidth, stride)
18    , IDISA_SSE2_Builder(C, vectorWidth, stride)
19    {
20
21    }
22
23    virtual std::string getBuilderUniqueName() override;
24
25    llvm::Value * hsimd_signmask(unsigned fw, llvm::Value * a) override;
26
27    ~IDISA_AVX_Builder() {}
28
29};
30
31class IDISA_AVX2_Builder : public IDISA_AVX_Builder {
32public:
33
34    IDISA_AVX2_Builder(llvm::LLVMContext & C, unsigned vectorWidth, unsigned stride)
35    : IDISA_Builder(C, vectorWidth, stride)
36    , IDISA_AVX_Builder(C, vectorWidth, stride) {
37
38    }
39
40    virtual std::string getBuilderUniqueName() override;
41    llvm::Value * hsimd_packh(unsigned fw, llvm::Value * a, llvm::Value * b) override;
42    llvm::Value * hsimd_packl(unsigned fw, llvm::Value * a, llvm::Value * b) override;
43    llvm::Value * esimd_mergeh(unsigned fw, llvm::Value * a, llvm::Value * b) override;
44    llvm::Value * esimd_mergel(unsigned fw, llvm::Value * a, llvm::Value * b) override;
45    llvm::Value * hsimd_packh_in_lanes(unsigned lanes, unsigned fw, llvm::Value * a, llvm::Value * b) override;
46    llvm::Value * hsimd_packl_in_lanes(unsigned lanes, unsigned fw, llvm::Value * a, llvm::Value * b) override;
47    std::pair<llvm::Value *, llvm::Value *> bitblock_add_with_carry(llvm::Value * a, llvm::Value * b, llvm::Value * carryin) override;
48    std::pair<llvm::Value *, llvm::Value *> bitblock_indexed_advance(llvm::Value * a, llvm::Value * index_strm, llvm::Value * shiftin, unsigned shift) override;
49    llvm::Value * hsimd_signmask(unsigned fw, llvm::Value * a) override;
50
51    ~IDISA_AVX2_Builder() {}
52};
53
54class IDISA_AVX512F_Builder : public IDISA_AVX2_Builder {
55public:
56
57    IDISA_AVX512F_Builder(llvm::LLVMContext & C, unsigned vectorWidth, unsigned stride)
58    : IDISA_Builder(C, vectorWidth, stride)
59    , IDISA_AVX2_Builder(C, vectorWidth, stride) {
60        getAVX512Features();
61    }
62
63    virtual std::string getBuilderUniqueName() override;
64    void getAVX512Features();
65    llvm::Value * hsimd_packh(unsigned fw, llvm::Value * a, llvm::Value * b) override;
66    llvm::Value * hsimd_packl(unsigned fw, llvm::Value * a, llvm::Value * b) override;
67    llvm::Value * esimd_bitspread(unsigned fw, llvm::Value * bitmask) override;
68    llvm::Value * simd_popcount(unsigned fw, llvm::Value * a) override;
69
70    ~IDISA_AVX512F_Builder() {
71    }
72private:
73    struct Features {
74        //not an exhaustive list, can be extended if needed
75        bool hasAVX512CD = false;
76        bool hasAVX512BW = false;
77        bool hasAVX512DQ = false;
78        bool hasAVX512VL = false;
79        bool hasAVX512VBMI = false;
80        bool hasAVX512VBMI2 = false;
81        bool hasAVX512VPOPCNTDQ = false;
82    };
83    Features hostCPUFeatures;
84};
85
86
87}
88#endif // IDISA_AVX_BUILDER_H
Note: See TracBrowser for help on using the repository browser.