Alain Ketterlin wrote: > I've found code like this: > > xor %edx,%edx > ; code with no effect on edx (see full code below) > test %edx,%edx > jne <somewhere else>
I have experienced similar sequences where your "code with no effect" was a lot of SSE instructions, so I can confirm that the problem exists. Best regards Piotr Wyderski
