— Jojo
在 2021年11月20日 +0800 AM6:11，Peter Bergner <berg...@linux.ibm.com>，写道：
> 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.
Yes, so we need to enhance the early clobber to cover this scene ?
>
> Peter
