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Alignment of x86 code for SuperscalarHash made optional

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This commit is contained in:
tevador 2019-04-29 20:19:34 +02:00
parent cf72ed79c7
commit ebddaf671c
1 changed files with 11 additions and 0 deletions
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11
src/jit_compiler_x86.cpp
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@ -275,6 +275,7 @@ namespace randomx {
emit(REX_MOV_RR64);
emitByte(0xd8 + prog.getAddressRegister());
emit(codeShhPrefetch, codeSshPrefetchSize);
#ifdef RANDOMX_ALIGN
int align = (codePos % 16);
while (align != 0) {
int nopSize = 16 - align;
@ -282,6 +283,7 @@ namespace randomx {
emit(NOPX[nopSize - 1], nopSize);
align = (codePos % 16);
}
#endif
}
}
emitByte(RET);
@ -378,25 +380,33 @@ namespace randomx {
emit(REX_81);
emitByte(0xc0 + instr.dst);
emit32(instr.getImm32());
#ifdef RANDOMX_ALIGN
emit(NOP1);
#endif
break;
case randomx::SuperscalarInstructionType::IXOR_C8:
emit(REX_XOR_RI);
emitByte(0xf0 + instr.dst);
emit32(instr.getImm32());
#ifdef RANDOMX_ALIGN
emit(NOP1);
#endif
break;
case randomx::SuperscalarInstructionType::IADD_C9:
emit(REX_81);
emitByte(0xc0 + instr.dst);
emit32(instr.getImm32());
#ifdef RANDOMX_ALIGN
emit(NOP2);
#endif
break;
case randomx::SuperscalarInstructionType::IXOR_C9:
emit(REX_XOR_RI);
emitByte(0xf0 + instr.dst);
emit32(instr.getImm32());
#ifdef RANDOMX_ALIGN
emit(NOP2);
#endif
break;
case randomx::SuperscalarInstructionType::IMULH_R:
emit(REX_MOV_RR64);
@ -853,6 +863,7 @@ namespace randomx {
emitByte(0xc1);
emit(REX_ADD_RM);
emitByte(0xc1 + 8 * instr.dst);
}
void JitCompilerX86::h_ISTORE(Instruction& instr, int i) {