On Tue, Jun 7, 2016 at 4:31 PM, H. Peter Anvin <[email protected]> wrote: > From: "H. Peter Anvin" <[email protected]> > > The CC_SET() and CC_OUT() macros can be used together to take > advantage of the new __GCC_ASM_FLAG_OUTPUTS__ feature in gcc 6+ while > remaining backwards compatible. CC_SET() generates a SET instruction > on older compilers; CC_OUT() makes sure the output is received in the > correct variable.
Nice. Reviewed-by: Andy Lutomirski <[email protected]>
