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From: "bergner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111828] rs6000: Parse inline asm string to figure out it
 requires HTM feature or not.
Date: Tue, 17 Oct 2023 23:31:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111828

--- Comment #5 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Jan Wassenberg from comment #4)
> I understand the slippery slope concern. But the empty asm string is a
> special case, we and others use it (with +r output and memory clobber) to
> prevent optimizing variables out e.g. during tests.

I agree the empty string is a special case and I'm totally fine with the pa=
tch
Ke Wen committed/backported to fix your problem.  I'm just against going
further than that and actually trying to parse the contents of the inline a=
sm
string to determine semantically what it contains.=