> -Original Message-
> From: Uros Bizjak
> Sent: Thursday, June 12, 2025 5:05 PM
> To: Cui, Lili
> Cc: gcc-patches@gcc.gnu.org; Liu, Hongtao ;
> richard.guent...@gmail.com; Michael Matz
> Subject: Re: [PATCH V2] x86: Enable separate shrink wrapping
>
>
On Thu, Jun 12, 2025 at 10:58 AM Uros Bizjak wrote:
>
> On Thu, Jun 12, 2025 at 9:26 AM Cui, Lili wrote:
> >
> > > > @@ -7753,8 +7762,12 @@ pro_epilogue_adjust_stack (rtx dest, rtx src,
> > > > rtx
> > > offset,
> > > > add_frame_related_expr = true;
> > > > }
> > > >
> > > > + if (
On Thu, Jun 12, 2025 at 9:26 AM Cui, Lili wrote:
>
> > > @@ -7753,8 +7762,12 @@ pro_epilogue_adjust_stack (rtx dest, rtx src,
> > > rtx
> > offset,
> > > add_frame_related_expr = true;
> > > }
> > >
> > > + if (crtl->shrink_wrapped_separate) insn = emit_insn (gen_rtx_SET
> > > + (d
> > @@ -7753,8 +7762,12 @@ pro_epilogue_adjust_stack (rtx dest, rtx src,
> > rtx
> offset,
> > add_frame_related_expr = true;
> > }
> >
> > + if (crtl->shrink_wrapped_separate) insn = emit_insn (gen_rtx_SET
> > + (dest, gen_rtx_PLUS (Pmode, src, addend)));
>
> Please use ix86_expa
> > From: Lili Cui
> >
> > Hi Uros,
> >
> > Thank you very much for providing detailed BKM to reproduce Linux kernel
> > boot
> failure. My patch and Matz's patch have this problem. We inserted a SUB
> between
> TEST and JLE, and the SUB changes the value of EFlags. The branch JLE here
> went
On Wed, Jun 11, 2025 at 5:33 AM Cui, Lili wrote:
>
> From: Lili Cui
>
> Hi Uros,
>
> Thank you very much for providing detailed BKM to reproduce Linux kernel boot
> failure. My patch and Matz's patch have this problem. We inserted a SUB
> between TEST and JLE, and the SUB changes the value of
