MS VC++ inline asm syntax error

Question

long long k;
_asm
{
rdtsc:=A(k);
};

This code gives this error:

error C2400: inline assembler syntax error in 'first operand'; found ':'

error C2400: inline assembler syntax error in 'opcode'; found ':'

P.S. MS Visual C++ 2008

Answer 1

rdtsc:=A(k); is not a valid instruction. Only labels can appear before :, and after that there must be a valid instruction, which of course =A(k) can't be. If you're doing an assignment, that's not an assembly instruction either

Answer 2

Without being given the full source, I would say immediately that you are using a Pascal-like assignment syntax instead of C++.

Try:

rdtsc=A(k); // Without the colon

Rather than:

rdtsc:=A(k);