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Optimized RandomX JIT compiler

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Hashrate improved by 0.5-1.5% depending on RandomX version and CPU.
This commit is contained in:
SChernykh 2019-08-27 20:18:56 +02:00
parent 21a56c9cbf
commit 8b84d7650b
3 changed files with 433 additions and 278 deletions
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25
src/crypto/randomx/jit_compiler_x86.hpp
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@ -66,42 +66,41 @@ namespace randomx {
size_t getCodeSize();
static InstructionGeneratorX86 engine[256];
std::vector<int32_t> instructionOffsets;
int32_t instructionOffsets[512];
int registerUsage[RegistersCount];
uint8_t* code;
int32_t codePos;
void generateProgramPrologue(Program&, ProgramConfiguration&);
void generateProgramEpilogue(Program&);
void genAddressReg(Instruction&, bool);
void genAddressRegDst(Instruction&);
void genAddressImm(Instruction&);
void genSIB(int scale, int index, int base);
static void genAddressReg(Instruction&, uint8_t* code, int& codePos, bool rax = true);
static void genAddressRegDst(Instruction&, uint8_t* code, int& codePos);
static void genAddressImm(Instruction&, uint8_t* code, int& codePos);
static void genSIB(int scale, int index, int base, uint8_t* code, int& codePos);
void generateCode(Instruction&, int);
void generateSuperscalarCode(Instruction &, std::vector<uint64_t> &);
void emitByte(uint8_t val) {
static void emitByte(uint8_t val, uint8_t* code, int& codePos) {
code[codePos] = val;
codePos++;
++codePos;
}
void emit32(uint32_t val) {
static void emit32(uint32_t val, uint8_t* code, int& codePos) {
memcpy(code + codePos, &val, sizeof val);
codePos += sizeof val;
}
void emit64(uint64_t val) {
static void emit64(uint64_t val, uint8_t* code, int& codePos) {
memcpy(code + codePos, &val, sizeof val);
codePos += sizeof val;
}
template<size_t N>
void emit(const uint8_t (&src)[N]) {
emit(src, N);
static void emit(const uint8_t (&src)[N], uint8_t* code, int& codePos) {
emit(src, N, code, codePos);
}
void emit(const uint8_t* src, size_t count) {
static void emit(const uint8_t* src, size_t count, uint8_t* code, int& codePos) {
memcpy(code + codePos, src, count);
codePos += count;
}