On Wed, 2 Oct 2024, Jakub Jelinek wrote:
> Hi!
>
> In the Cauldron IPA/LTO BoF we've discussed toplevel asms and it was
> discussed it would be nice to tell the compiler something about what
> the toplevel asm does. Sure, I'm aware the kernel people said they
> aren't willing to use something
On Wed, Oct 02, 2024 at 01:59:03PM +0200, Richard Biener wrote:
> As you are using input constraints to mark symbol uses maybe we can
> use output constraints with a magic identifier (and a constraint letter
> specifying 'identifier'):
>
> asm (".globl %0; %0: ret" : "_D" (extern int foo()) : ...)
Jakub Jelinek writes:
> And for kernel perhaps we should add some new option which allows
> some dumb parsing of the toplevel asms and gather something from that
> parsing.
See also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107779
> The restrictions I've implemented are:
> 1) asm qualifiers
On Wed, 2 Oct 2024, Jakub Jelinek wrote:
> Hi!
>
> In the Cauldron IPA/LTO BoF we've discussed toplevel asms and it was
> discussed it would be nice to tell the compiler something about what
> the toplevel asm does. Sure, I'm aware the kernel people said they
> aren't willing to use something li
On Wed, Oct 2, 2024 at 1:03 PM Jakub Jelinek wrote:
>
> Hi!
>
> In the Cauldron IPA/LTO BoF we've discussed toplevel asms and it was
> discussed it would be nice to tell the compiler something about what
> the toplevel asm does. Sure, I'm aware the kernel people said they
> aren't willing to use
