On 11/19/21 1:28 AM, Jojo R via Gcc wrote: > We know gcc supply earlyclobber function to avoid register overlap, > > but it can not describe explicitly for specific source operand, is it > right ?
You add the early clobber to the OUTPUT operand(s) that can clobber any of the input source operands. You don't mark the source operands that could be clobbered. Peter
