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Changed IADD_RS to use mod.mem

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This commit is contained in:
tevador
2019-04-27 23:52:26 +02:00
parent ff88a57a98
commit fd7186f873
8 changed files with 43 additions and 47 deletions
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src/assembly_generator_x86.cpp
+5 -6
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@@ -71,7 +71,7 @@ namespace randomx {
asmCode << "xor " << regR[instr.dst] << ", " << regR[instr.src] << std::endl;
break;
case SuperscalarInstructionType::IADD_RS:
asmCode << "lea " << regR[instr.dst] << ", [" << regR[instr.dst] << "+" << regR[instr.src] << "*" << (1 << (instr.getModShift2())) << "]" << std::endl;
asmCode << "lea " << regR[instr.dst] << ", [" << regR[instr.dst] << "+" << regR[instr.src] << "*" << (1 << (instr.getModMem())) << "]" << std::endl;
break;
case SuperscalarInstructionType::IMUL_R:
asmCode << "imul " << regR[instr.dst] << ", " << regR[instr.src] << std::endl;
@@ -180,7 +180,7 @@ namespace randomx {
asmCode << regR[instr.dst] << " ^= " << regR[instr.src] << ";" << std::endl;
break;
case SuperscalarInstructionType::IADD_RS:
asmCode << regR[instr.dst] << " += " << regR[instr.src] << "*" << (1 << (instr.getModShift2())) << ";" << std::endl;
asmCode << regR[instr.dst] << " += " << regR[instr.src] << "*" << (1 << (instr.getModMem())) << ";" << std::endl;
break;
case SuperscalarInstructionType::IMUL_R:
asmCode << regR[instr.dst] << " *= " << regR[instr.src] << ";" << std::endl;
@@ -275,9 +275,9 @@ namespace randomx {
void AssemblyGeneratorX86::h_IADD_RS(Instruction& instr, int i) {
registerUsage[instr.dst] = i;
if(instr.dst == RegisterNeedsDisplacement)
asmCode << "\tlea " << regR[instr.dst] << ", [" << regR[instr.dst] << "+" << regR[instr.src] << "*" << (1 << (instr.getModShift2())) << std::showpos << (int32_t)instr.getImm32() << std::noshowpos << "]" << std::endl;
asmCode << "\tlea " << regR[instr.dst] << ", [" << regR[instr.dst] << "+" << regR[instr.src] << "*" << (1 << (instr.getModMem())) << std::showpos << (int32_t)instr.getImm32() << std::noshowpos << "]" << std::endl;
else
asmCode << "\tlea " << regR[instr.dst] << ", [" << regR[instr.dst] << "+" << regR[instr.src] << "*" << (1 << (instr.getModShift2())) << "]" << std::endl;
asmCode << "\tlea " << regR[instr.dst] << ", [" << regR[instr.dst] << "+" << regR[instr.src] << "*" << (1 << (instr.getModMem())) << "]" << std::endl;
traceint(instr);
}
@@ -442,7 +442,6 @@ namespace randomx {
void AssemblyGeneratorX86::h_IMUL_RCP(Instruction& instr, int i) {
if (instr.getImm32() != 0) {
registerUsage[instr.dst] = i;
uint32_t divisor = instr.getImm32();
asmCode << "\tmov rax, " << randomx_reciprocal(instr.getImm32()) << std::endl;
asmCode << "\timul " << regR[instr.dst] << ", rax" << std::endl;
traceint(instr);
@@ -566,7 +565,7 @@ namespace randomx {
}
void AssemblyGeneratorX86::handleCondition(Instruction& instr, int i) {
const int shift = instr.getModShift3();
const int shift = instr.getModShift();
const int conditionMask = ((1 << RANDOMX_CONDITION_BITS) - 1) << shift;
int reg = getConditionRegister();
int target = registerUsage[reg] + 1;