Re: x86_64-gnu 14.2.0 cross-compiler -O2 removes THREAD_SETMEM in glibc sigreturn.c

[Andreas Schwab]

On Nov 24 2024, Samuel Thibault via Gcc-bugs wrote:

> Sergey points me at
>
> https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html#Goto-Labels
>
> “
> GCC assumes that asm execution falls through to the next statement (if
> this is not the case, consider using the __builtin_unreachable intrinsic
> after the asm statement)
> ”
>
> so it's the documented way to make it so, but apparently it does more
> than this and affects the fs-segmented store.

This is only about asm goto.

-- 
Andreas Schwab, schwab@linux-m68k.org
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