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81 lines
2.4 KiB
81 lines
2.4 KiB
/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include <gflags/gflags.h>
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#include <type_traits>
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#include "paddle/fluid/platform/macros.h"
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#define XBYAK_USE_MMAP_ALLOCATOR
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#include "xbyak/xbyak.h"
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#include "xbyak/xbyak_util.h"
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DECLARE_bool(dump_jitcode);
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namespace paddle {
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namespace operators {
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namespace math {
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namespace jitkernel {
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namespace gen {
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#define DECLARE_JIT_CODE(codename) \
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const char *name() const override { return #codename; }
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// Application Binary Interface
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constexpr Xbyak::Operand::Code abi_param1(Xbyak::Operand::RDI),
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abi_param2(Xbyak::Operand::RSI), abi_param3(Xbyak::Operand::RDX),
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abi_param4(Xbyak::Operand::RCX), abi_not_param1(Xbyak::Operand::RCX);
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class JitCode : public Xbyak::CodeGenerator {
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public:
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explicit JitCode(size_t code_size = 256 * 1024, void *code_ptr = nullptr)
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: Xbyak::CodeGenerator(code_size, code_ptr) {}
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virtual ~JitCode() {}
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virtual const char *name() const = 0;
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virtual void generate() = 0;
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template <typename FUNC>
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const FUNC getCode() {
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this->generate();
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const Xbyak::uint8 *code = CodeGenerator::getCode();
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if (FLAGS_dump_jitcode) {
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this->dumpCode(code);
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}
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return reinterpret_cast<const FUNC>(code);
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}
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DISABLE_COPY_AND_ASSIGN(JitCode);
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protected:
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Xbyak::Reg64 param1{abi_param1};
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const int EVEX_max_8b_offt = 0x200;
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const Xbyak::Reg64 reg_EVEX_max_8b_offt = rbp;
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void preCode();
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void postCode();
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void dumpCode(const Xbyak::uint8 *code) const;
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void L(const char *label) { Xbyak::CodeGenerator::L(label); }
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void L(const Xbyak::Label &label) { Xbyak::CodeGenerator::L(label); }
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// Enhanced vector extension
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Xbyak::Address EVEX_compress_addr(Xbyak::Reg64 base, int offt,
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bool bcast = false);
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};
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} // namespace gen
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} // namespace jitkernel
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} // namespace math
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} // namespace operators
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} // namespace paddle
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