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https://github.com/intel/intel-graphics-compiler.git
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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*========================== begin_copyright_notice ============================
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Copyright (C) 2017-2021 Intel Corporation
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SPDX-License-Identifier: MIT
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============================= end_copyright_notice ===========================*/
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#pragma once
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#include "Compiler/CISACodeGen/CISACodeGen.h"
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#include "Compiler/CodeGenContextWrapper.hpp"
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#include "Compiler/CodeGenPublic.h"
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namespace llvm {
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class DataLayout;
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class Type;
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class FunctionPass;
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} // namespace llvm
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namespace IGC {
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llvm::FunctionPass *createVectorPreProcessPass();
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llvm::FunctionPass *createVectorProcessPass();
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class EmitPass;
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// Used to map vector to its corresponding messages
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class VectorMessage {
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public:
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enum MESSAGE_KIND {
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MESSAGE_A32_UNTYPED_SURFACE_RW,
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MESSAGE_A32_BYTE_SCATTERED_RW,
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MESSAGE_A64_UNTYPED_SURFACE_RW,
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MESSAGE_A64_SCATTERED_RW,
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MESSAGE_A32_QWORD_SCATTERED_RW,
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MESSAGE_A32_LSC_RW,
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MESSAGE_A64_LSC_RW
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};
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// VECMESSAGEINFO_MAX_LEN:
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// VectorPreProcess splits larger vectors. After that, the
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// max vector would be <8 x i32>, which would be 8 insts at
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// most (when it is unaligned) using byte scattered messages.
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// Therefore, using 16 would be enough.
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enum {
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VECMESSAGEINFO_MAX_LEN = 16,
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// SKL+
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// Exception
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// BDW : use A64_BYTE_SCATTERED_MAX_BYTES_8B
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// TGL : no 8DW scattered message.
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// use A64_SCATTERED_MAX_BYTES_4DW
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A32_UNTYPED_MAX_BYTES = 16,
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A32_BYTE_SCATTERED_MAX_BYTES = 4,
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A64_UNTYPED_MAX_BYTES = 16,
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A64_SCATTERED_MAX_BYTES_8DW_SIMD8 = 32,
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A64_SCATTERED_MAX_BYTES_4DW = 16,
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A64_BYTE_SCATTERED_MAX_BYTES_8B = 8,
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A64_BYTE_SCATTERED_MAX_BYTES = 4,
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A32_A64_BYTE_LSC_LOAD_STORE_MAX_BYTES_SIMD32 = 16,
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A32_A64_BYTE_LSC_LOAD_STORE_MAX_BYTES_SIMD16 = 32,
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A32_A64_BYTE_LSC_LOAD_STORE_MAX_BYTES = 64,
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A32_A64_DATA_SIZE_LSC_LOAD_STORE_MAX_BYTES = 64
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};
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// Calculated by getInfo().
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struct {
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MESSAGE_KIND kind;
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uint16_t startByte;
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VISA_Type blkType; // type of a block (B, D, Q, etc)
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uint16_t blkInBytes; // the block size in bytes
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uint16_t numBlks; // the number of blocks
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} insts[VECMESSAGEINFO_MAX_LEN] = {};
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uint16_t numInsts = 0;
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VectorMessage(EmitPass *emitter);
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VectorMessage(CShader *shader) : Shader(shader) {}
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void getInfo(llvm::Type *Ty, uint64_t Align, bool useA32, bool forceByteScatteredRW = false);
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void getLSCInfo(llvm::Type *Ty, uint64_t Align, CodeGenContext *ctx, bool useA32, bool transpose);
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private:
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const CShader *Shader;
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VectorMessage(const VectorMessage &); // not implemented
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void operator=(const VectorMessage &); // not implemented
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};
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} // namespace IGC
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