void X86Compiler::_emitJcc(uint32_t code, const Label* label, uint32_t hint)
{
if (hint == kCondHintNone)
{
_emitInstruction(code, label);
}
else
{
Imm imm(hint);
_emitInstruction(code, label, &imm);
}
}
//Convert DWord to QWord (Sign Extend).
//
// RAX <- Sign Extend EAX
void Ci586CPU::cdqe()
{
_emitInstruction( INST_CDQE );
}
//Compares the 128-bit value in RDX:RAX with the memory operand (X64).
//
// If the values are equal, then this instruction stores the 128-bit value
// in RCX:RBX into the memory operand and sets the zero flag. Otherwise,
// this instruction copies the 128-bit memory operand into the RDX:RAX
// registers and clears the zero flag.
void Ci586CPU::cmpxchg16b( const CMem& dst )
{
_emitInstruction( INST_CMPXCHG16B, &dst );
}
//------------------------------------------------------------------------------
//Find RAX, starting at ES:[EDI/RDI].
void Ci586CPU::repne_scasq()
{
_emitInstruction( INST_REPNE_SCASQ );
}
//------------------------------------------------------------------------------
//Read Time-Stamp Counter and Processor ID (New).
void Ci586CPU::rdtscp()
{
_emitInstruction( INST_RDTSCP );
}
//------------------------------------------------------------------------------
//Repeated find nonmatching QWORDs in ES:[EDI/RDI] and DS:[ESI/RDI].
void Ci586CPU::repne_cmpsq()
{
_emitInstruction( INST_REPNE_CMPSQ );
}
//------------------------------------------------------------------------------
//Fill ECX/RCX QWORDs at ES:[EDI/RDI] with RAX.
void Ci586CPU::rep_stosq()
{
_emitInstruction( INST_REP_STOSQ );
}
//------------------------------------------------------------------------------
//Move ECX/RCX QWORDs from DS:[ESI/RSI] to ES:[EDI/RDI].
void Ci586CPU::rep_movsq()
{
_emitInstruction( INST_REP_MOVSQ );
}
//------------------------------------------------------------------------------
//Load ECX/RCX QWORDs from DS:[ESI/RSI] to RAX.
void Ci586CPU::rep_lodsq()
{
_emitInstruction( INST_REP_LODSQ );
}
//------------------------------------------------------------------------------
//Move DWord to QWord with sign-extension.
// @overload
void Ci586CPU::movsxd( const CGPReg& dst, const CMem& src )
{
_emitInstruction( INST_MOVSXD, &dst, &src );
}