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From: "torvalds@linux-foundation.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/113921] Output register of an "asm volatile goto" is
 incorrectly clobbered/discarded
Date: Wed, 14 Feb 2024 18:16:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113921

--- Comment #3 from Linus Torvalds <torvalds@linux-foundation.org> ---
(In reply to Linus Torvalds from comment #2)
>
> So we could make our workaround option be something like
>=20
>    config GCC_ASM_GOTO_WORKAROUND
>      def_bool y
>      depends on CC_IS_GCC && GCC_VERSION < 120100

Actually, rather than add a new kernel config option, I'll just make the
workaround conditional in our <linux/compiler-gcc.h> header file.

But I'll wait for confirmation from gcc people that Jakub's bisection makes
sense, and is the real fix, rather than just a change that just happens to =
hide
the issue.=