> From: Jiang, Haochen
> Sent: 17 July 2023 02:50
>
> > From: Jiang, Haochen
> > Sent: Friday, July 14, 2023 10:50 AM
> >
> > > The recent change in TImode parameter passing on x86_64 results in
> > > the FAIL of pr91681-1.c. The issue is that with the extra
> > > flexibility, the combine pass
> -Original Message-
> From: Jiang, Haochen
> Sent: Friday, July 14, 2023 10:50 AM
> To: Roger Sayle ; gcc-patches@gcc.gnu.org
> Cc: 'Uros Bizjak'
> Subject: RE: [x86 PATCH] Fix FAIL of gcc.target/i386/pr91681-1.c
>
> > The recent change in TImode p
> The recent change in TImode parameter passing on x86_64 results in the FAIL
> of pr91681-1.c. The issue is that with the extra flexibility, the combine
> pass is
> now spoilt for choice between using either the
> *add3_doubleword_concat or the *add3_doubleword_zext
> patterns, when one operand
On Tue, Jul 11, 2023 at 10:07 PM Roger Sayle wrote:
>
>
> The recent change in TImode parameter passing on x86_64 results in the
> FAIL of pr91681-1.c. The issue is that with the extra flexibility,
> the combine pass is now spoilt for choice between using either the
> *add3_doubleword_concat or t
The recent change in TImode parameter passing on x86_64 results in the
FAIL of pr91681-1.c. The issue is that with the extra flexibility,
the combine pass is now spoilt for choice between using either the
*add3_doubleword_concat or the *add3_doubleword_zext
patterns, when one operand is a *concat