Re: [PATCH] x86: Don't mark clobbered FLAGS_REG as live

[Uros Bizjak]

On Tue, Feb 17, 2026 at 6:56 AM H.J. Lu <hjl.to...@gmail.com> wrote:
>
> Don't mark clobbered FLAGS_REG as live in
>
> (parallel [(set (reg:SI 119)
>                 (lshiftrt:SI (reg:SI 121)
>                     (const_int 16 [0x10])))
>            (clobber (reg:CC 17 flags))])
>
> gcc/
>
> PR target/124136
> * config/i386/i386-features.cc (ix86_check_flags_reg): Don't
> mark clobbered FLAGS_REG as live.
>
> gcc/testsuite/
>
> PR target/124136
> * g++.target/i386/pr124136.C: New file.

OK.

Thanks,
Uros.