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Reduced x86 code size by 512 bytes (and ecx -> and eax)

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tevador
2019-01-12 20:27:35 +01:00
parent 1426fcbab5
commit 67e741ff22
8 changed files with 1841 additions and 1842 deletions
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14
src/AssemblyGeneratorX86.cpp
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@@ -66,34 +66,34 @@ namespace RandomX {
void AssemblyGeneratorX86::gena(Instruction& instr, int i) {
asmCode << "\txor " << regR[instr.rega % RegistersCount] << ", 0" << std::hex << instr.addra << "h" << std::dec << std::endl;
asmCode << "\tmov ecx, " << regR32[instr.rega % RegistersCount] << std::endl;
asmCode << "\tmov eax, " << regR32[instr.rega % RegistersCount] << std::endl;
asmCode << "\ttest " << regIc8 << ", 63" << std::endl;
asmCode << "\tjnz short rx_body_" << i << std::endl;
if (instr.loca & 3) {
asmCode << "\tcall rx_read_l1" << std::endl;
asmCode << "rx_body_" << i << ":" << std::endl;
if ((instr.loca & 192) == 0)
asmCode << "\txor " << regMx << ", rcx" << std::endl;
asmCode << "\tand ecx, " << (ScratchpadL1 - 1) << std::endl;
asmCode << "\txor " << regMx << ", rax" << std::endl;
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
}
else {
asmCode << "\tcall rx_read_l2" << std::endl;
asmCode << "rx_body_" << i << ":" << std::endl;
if ((instr.loca & 192) == 0)
asmCode << "\txor " << regMx << ", rcx" << std::endl;
asmCode << "\tand ecx, " << (ScratchpadL2 - 1) << std::endl;
asmCode << "\txor " << regMx << ", rax" << std::endl;
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
}
}
void AssemblyGeneratorX86::genar(Instruction& instr, int i) {
gena(instr, i);
asmCode << "\tmov rax, qword ptr [" << regScratchpadAddr << "+rcx*8]" << std::endl;
asmCode << "\tmov rax, qword ptr [" << regScratchpadAddr << "+rax*8]" << std::endl;
}
void AssemblyGeneratorX86::genaf(Instruction& instr, int i) {
gena(instr, i);
asmCode << "\tcvtdq2pd xmm0, qword ptr [" << regScratchpadAddr << "+rcx*8]" << std::endl;
asmCode << "\tcvtdq2pd xmm0, qword ptr [" << regScratchpadAddr << "+rax*8]" << std::endl;
}
void AssemblyGeneratorX86::genbiashift(Instruction& instr, const char* instrx86) {