Re: objtool clac/stac handling change..

From: Linus Torvalds
Date: Wed Jul 01 2020 - 22:35:39 EST


On Wed, Jul 1, 2020 at 7:30 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> I guess we could do that. Are there cases where this actually helps?

Hmm. Thinking about it., using that approach might make the
"CONFIG_CC_HAS_ASM_GOTO_OUTPUT" choices simpler to handle.

With ASM_GOTO_OUTPUT it generates the perfect non-jump code. And
without it, it generates the (annoying, but inevitable) actual
conditionals.

Linus