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RandomX JIT: optimized address mask calculation

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SChernykh
2020-08-12 16:45:16 +02:00
parent 43afa437e4
commit 5926dee354
5 changed files with 22 additions and 24 deletions
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4
src/crypto/randomx/jit_compiler_x86.cpp
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@@ -508,7 +508,7 @@ namespace randomx {
*(uint32_t*)(code + codePos) = 0xe181;
codePos += 2;
}
emit32(instr.getModMem() ? ScratchpadL1Mask : ScratchpadL2Mask, code, codePos);
emit32(AddressMask[instr.getModMem()], code, codePos);
}
template void JitCompilerX86::genAddressReg<false>(const Instruction& instr, const uint32_t src, uint8_t* code, uint32_t& codePos);
@@ -522,7 +522,7 @@ namespace randomx {
emit32(instr.getImm32(), code, codePos);
emitByte(0x25, code, codePos);
if (instr.getModCond() < StoreL3Condition) {
emit32(instr.getModMem() ? ScratchpadL1Mask : ScratchpadL2Mask, code, codePos);
emit32(AddressMask[instr.getModMem()], code, codePos);
}
else {
emit32(ScratchpadL3Mask, code, codePos);