On Tue, Jun 27, 2023 at 8:09 AM Hongtao Liu wrote:
>
> On Tue, Jun 27, 2023 at 2:05 PM Uros Bizjak wrote:
> >
> > On Tue, Jun 27, 2023 at 7:55 AM liuhongt wrote:
> > >
> > > pass_insert_vzeroupper is under condition
> > >
> > > TARGET_AVX && TARGET_VZEROUPPER
> > > && flag_expensive_optimization
On Tue, Jun 27, 2023 at 2:05 PM Uros Bizjak wrote:
>
> On Tue, Jun 27, 2023 at 7:55 AM liuhongt wrote:
> >
> > pass_insert_vzeroupper is under condition
> >
> > TARGET_AVX && TARGET_VZEROUPPER
> > && flag_expensive_optimizations && !optimize_size
> >
> > But the document of mvzeroupper doesn't me
On Tue, Jun 27, 2023 at 7:55 AM liuhongt wrote:
>
> pass_insert_vzeroupper is under condition
>
> TARGET_AVX && TARGET_VZEROUPPER
> && flag_expensive_optimizations && !optimize_size
>
> But the document of mvzeroupper doesn't mention the insertion
> required -O2 and above, it may confuse users whe
pass_insert_vzeroupper is under condition
TARGET_AVX && TARGET_VZEROUPPER
&& flag_expensive_optimizations && !optimize_size
But the document of mvzeroupper doesn't mention the insertion
required -O2 and above, it may confuse users when they explicitly
use -Os -mvzeroupper.
mvzeroupp
