On Fri, Aug 21, 2020 at 10:54 AM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Fri, Aug 21, 2020 at 10:29 AM Arvind Sankar <nivedita@xxxxxxxxxxxx> wrote:
> >
> > This is why I'm saying clang's no-builtin-foo option is useful for
> > embedded: it doesn't prevent the programmer using __builtin_foo(), it
> > prevents the _compiler_ using __builtin_foo() on its own.
>
> And that's fine. But it's apparently not what gcc does.
Oh, testing it seems to say that that is exactly what gcc does too. I
must have misunderstood some comment in this thread to mean otherwise.
Linus
