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Updated RandomX

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This commit is contained in:
SChernykh
2019-08-27 16:12:13 +02:00
parent 39e69c2723
commit 21a56c9cbf
9 changed files with 151 additions and 36 deletions
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4
src/crypto/randomx/jit_compiler_x86.cpp
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@@ -197,7 +197,7 @@ namespace randomx {
// static const uint8_t* NOPX[] = { NOP1, NOP2, NOP3, NOP4, NOP5, NOP6, NOP7, NOP8 };
size_t JitCompilerX86::getCodeSize() {
return codePos - prologueSize;
return codePos < prologueSize ? 0 : codePos - prologueSize;
}
JitCompilerX86::JitCompilerX86() {
@@ -580,7 +580,7 @@ namespace randomx {
void JitCompilerX86::h_IMUL_RCP(Instruction& instr, int i) {
uint64_t divisor = instr.getImm32();
if (!isPowerOf2(divisor)) {
if (!isZeroOrPowerOf2(divisor)) {
registerUsage[instr.dst] = i;
emit(MOV_RAX_I);
emit64(randomx_reciprocal_fast(divisor));