RandomWOW/src/instruction.cpp
2019-04-28 16:42:45 +02:00

363 lines
No EOL
8.6 KiB
C++

/*
Copyright (c) 2018 tevador
This file is part of RandomX.
RandomX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RandomX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#include "instruction.hpp"
#include "common.hpp"
namespace randomx {
void Instruction::print(std::ostream& os) const {
os << names[opcode] << " ";
auto handler = engine[opcode];
(this->*handler)(os);
}
void Instruction::genAddressReg(std::ostream& os) const {
os << (getModMem() ? "L1" : "L2") << "[r" << (int)src << std::showpos << (int32_t)getImm32() << std::noshowpos << "]";
}
void Instruction::genAddressRegDst(std::ostream& os) const {
if (getModCond())
os << (getModMem() ? "L1" : "L2");
else
os << "L3";
os << "[r" << (int)dst << std::showpos << (int32_t)getImm32() << std::noshowpos << "]";
}
void Instruction::genAddressImm(std::ostream& os) const {
os << "L3" << "[" << (getImm32() & ScratchpadL3Mask) << "]";
}
void Instruction::h_IADD_RS(std::ostream& os) const {
os << "r" << (int)dst << ", r" << (int)src;
if(dst == RegisterNeedsDisplacement) {
os << ", " << (int32_t)getImm32();
}
os << ", LSH " << (int)getModMem() << std::endl;
}
void Instruction::h_IADD_M(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", ";
genAddressReg(os);
os << std::endl;
}
else {
os << "r" << (int)dst << ", ";
genAddressImm(os);
os << std::endl;
}
}
void Instruction::h_ISUB_R(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
else {
os << "r" << (int)dst << ", " << (int32_t)getImm32() << std::endl;
}
}
void Instruction::h_ISUB_M(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", ";
genAddressReg(os);
os << std::endl;
}
else {
os << "r" << (int)dst << ", ";
genAddressImm(os);
os << std::endl;
}
}
void Instruction::h_IMUL_R(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
else {
os << "r" << (int)dst << ", " << (int32_t)getImm32() << std::endl;
}
}
void Instruction::h_IMUL_M(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", ";
genAddressReg(os);
os << std::endl;
}
else {
os << "r" << (int)dst << ", ";
genAddressImm(os);
os << std::endl;
}
}
void Instruction::h_IMULH_R(std::ostream& os) const {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
void Instruction::h_IMULH_M(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", ";
genAddressReg(os);
os << std::endl;
}
else {
os << "r" << (int)dst << ", ";
genAddressImm(os);
os << std::endl;
}
}
void Instruction::h_ISMULH_R(std::ostream& os) const {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
void Instruction::h_ISMULH_M(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", ";
genAddressReg(os);
os << std::endl;
}
else {
os << "r" << (int)dst << ", ";
genAddressImm(os);
os << std::endl;
}
}
void Instruction::h_INEG_R(std::ostream& os) const {
os << "r" << (int)dst << std::endl;
}
void Instruction::h_IXOR_R(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
else {
os << "r" << (int)dst << ", " << (int32_t)getImm32() << std::endl;
}
}
void Instruction::h_IXOR_M(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", ";
genAddressReg(os);
os << std::endl;
}
else {
os << "r" << (int)dst << ", ";
genAddressImm(os);
os << std::endl;
}
}
void Instruction::h_IROR_R(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
else {
os << "r" << (int)dst << ", " << (getImm32() & 63) << std::endl;
}
}
void Instruction::h_IROL_R(std::ostream& os) const {
if (src != dst) {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
else {
os << "r" << (int)dst << ", " << (getImm32() & 63) << std::endl;
}
}
void Instruction::h_IMUL_RCP(std::ostream& os) const {
os << "r" << (int)dst << ", " << getImm32() << std::endl;
}
void Instruction::h_ISWAP_R(std::ostream& os) const {
os << "r" << (int)dst << ", r" << (int)src << std::endl;
}
void Instruction::h_FSWAP_R(std::ostream& os) const {
const char reg = (dst >= RegisterCountFlt) ? 'e' : 'f';
auto dstIndex = dst % RegisterCountFlt;
os << reg << dstIndex << std::endl;
}
void Instruction::h_FADD_R(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
auto srcIndex = src % RegisterCountFlt;
os << "f" << dstIndex << ", a" << srcIndex << std::endl;
}
void Instruction::h_FADD_M(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
os << "f" << dstIndex << ", ";
genAddressReg(os);
os << std::endl;
}
void Instruction::h_FSUB_R(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
auto srcIndex = src % RegisterCountFlt;
os << "f" << dstIndex << ", a" << srcIndex << std::endl;
}
void Instruction::h_FSUB_M(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
os << "f" << dstIndex << ", ";
genAddressReg(os);
os << std::endl;
}
void Instruction::h_FSCAL_R(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
os << "f" << dstIndex << std::endl;
}
void Instruction::h_FMUL_R(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
auto srcIndex = src % RegisterCountFlt;
os << "e" << dstIndex << ", a" << srcIndex << std::endl;
}
void Instruction::h_FDIV_M(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
os << "e" << dstIndex << ", ";
genAddressReg(os);
os << std::endl;
}
void Instruction::h_FSQRT_R(std::ostream& os) const {
auto dstIndex = dst % RegisterCountFlt;
os << "e" << dstIndex << std::endl;
}
void Instruction::h_CFROUND(std::ostream& os) const {
os << "r" << (int)src << ", " << (getImm32() & 63) << std::endl;
}
static inline const char* condition(int index) {
switch (index)
{
case 0:
return "be";
case 1:
return "ab";
case 2:
return "sg";
case 3:
return "ns";
case 4:
return "of";
case 5:
return "no";
case 6:
return "lt";
case 7:
return "ge";
default:
UNREACHABLE;
}
}
void Instruction::h_COND_R(std::ostream& os) const {
os << "r" << (int)dst << ", " << condition(getModCond()) << "(r" << (int)src << ", " << (int32_t)getImm32() << "), LSH " << (int)(getModShift()) << std::endl;
}
void Instruction::h_ISTORE(std::ostream& os) const {
genAddressRegDst(os);
os << ", r" << (int)src << std::endl;
}
void Instruction::h_NOP(std::ostream& os) const {
os << std::endl;
}
#include "instruction_weights.hpp"
#define INST_NAME(x) REPN(#x, WT(x))
#define INST_HANDLE(x) REPN(&Instruction::h_##x, WT(x))
const char* Instruction::names[256] = {
INST_NAME(IADD_RS)
INST_NAME(IADD_M)
INST_NAME(ISUB_R)
INST_NAME(ISUB_M)
INST_NAME(IMUL_R)
INST_NAME(IMUL_M)
INST_NAME(IMULH_R)
INST_NAME(IMULH_M)
INST_NAME(ISMULH_R)
INST_NAME(ISMULH_M)
INST_NAME(IMUL_RCP)
INST_NAME(INEG_R)
INST_NAME(IXOR_R)
INST_NAME(IXOR_M)
INST_NAME(IROR_R)
INST_NAME(ISWAP_R)
INST_NAME(FSWAP_R)
INST_NAME(FADD_R)
INST_NAME(FADD_M)
INST_NAME(FSUB_R)
INST_NAME(FSUB_M)
INST_NAME(FSCAL_R)
INST_NAME(FMUL_R)
INST_NAME(FDIV_M)
INST_NAME(FSQRT_R)
INST_NAME(COND_R)
INST_NAME(CFROUND)
INST_NAME(ISTORE)
INST_NAME(NOP)
};
InstructionFormatter Instruction::engine[256] = {
INST_HANDLE(IADD_RS)
INST_HANDLE(IADD_M)
INST_HANDLE(ISUB_R)
INST_HANDLE(ISUB_M)
INST_HANDLE(IMUL_R)
INST_HANDLE(IMUL_M)
INST_HANDLE(IMULH_R)
INST_HANDLE(IMULH_M)
INST_HANDLE(ISMULH_R)
INST_HANDLE(ISMULH_M)
INST_HANDLE(IMUL_RCP)
INST_HANDLE(INEG_R)
INST_HANDLE(IXOR_R)
INST_HANDLE(IXOR_M)
INST_HANDLE(IROR_R)
INST_HANDLE(IROL_R)
INST_HANDLE(ISWAP_R)
INST_HANDLE(FSWAP_R)
INST_HANDLE(FADD_R)
INST_HANDLE(FADD_M)
INST_HANDLE(FSUB_R)
INST_HANDLE(FSUB_M)
INST_HANDLE(FSCAL_R)
INST_HANDLE(FMUL_R)
INST_HANDLE(FDIV_M)
INST_HANDLE(FSQRT_R)
INST_HANDLE(COND_R)
INST_HANDLE(CFROUND)
INST_HANDLE(ISTORE)
INST_HANDLE(NOP)
};
}