[Mesa-dev] [PATCH 7/7] radeonsi: don't use the low-optimizing compiler on LLVM 9

[Marek Olšák]

Yeah, I dropped it because LLVM is still slow.

Marek

On Thu, Jun 20, 2019 at 6:45 PM Dieter Nützel <Dieter at nuetzel-hh.de> wrote:

> Hello Marek,
>
> is this (#7) obsolete, now?
> Kind reminder.
>
> Thanks,
> Dieter
>
> Am 13.06.2019 02:40, schrieb Marek Olšák:
> > From: Marek Olšák <marek.olsak at amd.com>
> >
> > The compilation is faster on LLVM 9.
> > ---
> >  src/gallium/drivers/radeonsi/si_pipe.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
> > b/src/gallium/drivers/radeonsi/si_pipe.c
> > index 8527999645b..d2fd058f2cd 100644
> > --- a/src/gallium/drivers/radeonsi/si_pipe.c
> > +++ b/src/gallium/drivers/radeonsi/si_pipe.c
> > @@ -115,21 +115,22 @@ static const struct debug_named_value
> > debug_options[] = {
> >
> >       DEBUG_NAMED_VALUE_END /* must be last */
> >  };
> >
> >  static void si_init_compiler(struct si_screen *sscreen,
> >                            struct ac_llvm_compiler *compiler)
> >  {
> >       /* Only create the less-optimizing version of the compiler on APUs
> >        * predating Ryzen (Raven). */
> >       bool create_low_opt_compiler = !sscreen->info.has_dedicated_vram &&
> > -                                    sscreen->info.chip_class <= GFX8;
> > +                                    sscreen->info.chip_class <= GFX8 &&
> > +                                    HAVE_LLVM < 0x0900;
> >
> >       enum ac_target_machine_options tm_options =
> >               (sscreen->debug_flags & DBG(SI_SCHED) ? AC_TM_SISCHED : 0)
> |
> >               (sscreen->debug_flags & DBG(GISEL) ?
> AC_TM_ENABLE_GLOBAL_ISEL : 0) |
> >               (sscreen->info.chip_class >= GFX9 ?
> AC_TM_FORCE_ENABLE_XNACK : 0) |
> >               (sscreen->info.chip_class < GFX9 ?
> AC_TM_FORCE_DISABLE_XNACK : 0) |
> >               (!sscreen->llvm_has_working_vgpr_indexing ?
> > AC_TM_PROMOTE_ALLOCA_TO_SCRATCH : 0) |
> >               (sscreen->debug_flags & DBG(CHECK_IR) ? AC_TM_CHECK_IR :
> 0) |
> >               (create_low_opt_compiler ? AC_TM_CREATE_LOW_OPT : 0);
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/mesa-dev/attachments/20190620/1c7710ae/attachment.html>