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RandomX JIT refactoring

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- Smaller memory footprint
- A bit faster overall
This commit is contained in:
SChernykh 2020-04-09 14:24:54 +02:00
parent 92810ad761
commit abb3340cc7
9 changed files with 374 additions and 428 deletions
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33
src/crypto/randomx/jit_compiler_x86.hpp
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@ -67,52 +67,55 @@ namespace randomx {
size_t getCodeSize();
alignas(64) static InstructionGeneratorX86 engine[256];
int registerUsage[RegistersCount];
uint8_t* allocatedCode;
uint8_t* code;
uint32_t codePos;
uint32_t codePosFirst;
uint32_t vm_flags;
# ifdef XMRIG_FIX_RYZEN
std::pair<const void*, const void*> mainLoopBounds;
# endif
int32_t codePos;
int32_t codePosFirst;
uint32_t vm_flags;
static bool BranchesWithin32B;
bool BranchesWithin32B = false;
bool hasAVX;
bool hasXOP;
static void applyTweaks();
uint8_t* allocatedCode;
void applyTweaks();
void generateProgramPrologue(Program&, ProgramConfiguration&);
void generateProgramEpilogue(Program&, ProgramConfiguration&);
template<bool rax>
static void genAddressReg(const Instruction&, uint8_t* code, int& codePos);
static void genAddressRegDst(const Instruction&, uint8_t* code, int& codePos);
static void genAddressImm(const Instruction&, uint8_t* code, int& codePos);
static void genSIB(int scale, int index, int base, uint8_t* code, int& codePos);
static void genAddressReg(const Instruction&, const uint32_t src, uint8_t* code, uint32_t& codePos);
static void genAddressRegDst(const Instruction&, uint8_t* code, uint32_t& codePos);
static void genAddressImm(const Instruction&, uint8_t* code, uint32_t& codePos);
static void genSIB(int scale, int index, int base, uint8_t* code, uint32_t& codePos);
void generateSuperscalarCode(Instruction &, std::vector<uint64_t> &);
static void emitByte(uint8_t val, uint8_t* code, int& codePos) {
static void emitByte(uint8_t val, uint8_t* code, uint32_t& codePos) {
code[codePos] = val;
++codePos;
}
static void emit32(uint32_t val, uint8_t* code, int& codePos) {
static void emit32(uint32_t val, uint8_t* code, uint32_t& codePos) {
memcpy(code + codePos, &val, sizeof val);
codePos += sizeof val;
}
static void emit64(uint64_t val, uint8_t* code, int& codePos) {
static void emit64(uint64_t val, uint8_t* code, uint32_t& codePos) {
memcpy(code + codePos, &val, sizeof val);
codePos += sizeof val;
}
template<size_t N>
static void emit(const uint8_t (&src)[N], uint8_t* code, int& codePos) {
static void emit(const uint8_t (&src)[N], uint8_t* code, uint32_t& codePos) {
emit(src, N, code, codePos);
}
static void emit(const uint8_t* src, size_t count, uint8_t* code, int& codePos) {
static void emit(const uint8_t* src, size_t count, uint8_t* code, uint32_t& codePos) {
memcpy(code + codePos, src, count);
codePos += count;
}