On Fri, 5 Jan 2024, Tamar Christina wrote:
> > On Fri, 2024-01-05 at 11:02 +, Tamar Christina wrote:
> > > Ok, so something like:
> > >
> > > > > ([istarget loongarch*-*-*] &&
> > > > > ([check_effective_target_loongarch_sx] ||
> > > > > [check_effective_target_hard_float]))
> > > ?
> >
> >
ping
> -Original Message-
> From: Tamar Christina
> Sent: Friday, January 5, 2024 1:31 PM
> To: Xi Ruoyao ; Palmer Dabbelt
> Cc: gcc-patches@gcc.gnu.org; nd ; rguent...@suse.de; Jeff Law
>
> Subject: RE: [PATCH]middle-end: Don't apply copysign optimizat
> On Fri, 2024-01-05 at 11:02 +, Tamar Christina wrote:
> > Ok, so something like:
> >
> > > > ([istarget loongarch*-*-*] &&
> > > > ([check_effective_target_loongarch_sx] ||
> > > > [check_effective_target_hard_float]))
> > ?
>
> We don't need "[check_effective_target_loongarch_sx] ||"
On Fri, 2024-01-05 at 11:02 +, Tamar Christina wrote:
> Ok, so something like:
>
> > > ([istarget loongarch*-*-*] &&
> > > ([check_effective_target_loongarch_sx] ||
> > > [check_effective_target_hard_float]))
> ?
We don't need "[check_effective_target_loongarch_sx] ||" because SIMD
requires
> -Original Message-
> From: Xi Ruoyao
> Sent: Thursday, January 4, 2024 10:39 PM
> To: Palmer Dabbelt ; Tamar Christina
>
> Cc: gcc-patches@gcc.gnu.org; nd ; rguent...@suse.de; Jeff Law
>
> Subject: Re: [PATCH]middle-end: Don't apply copysign optimi
On Thu, 2024-01-04 at 14:32 -0800, Palmer Dabbelt wrote:
> > +proc check_effective_target_ifn_copysign { } {
> > + return [check_cached_effective_target_indexed ifn_copysign {
> > + expr {
> > +(([istarget i?86-*-*] || [istarget x86_64-*-*])
> > + && [is-effective-target sse])
> >
On Thu, 04 Jan 2024 10:20:25 PST (-0800), tamar.christ...@arm.com wrote:
> Hi All,
>
> currently GCC does not treat IFN_COPYSIGN the same as the copysign tree expr.
> The latter has a libcall fallback and the IFN can only do optabs.
>
> Because of this the change I made to optimize copysign only
Hi All,
currently GCC does not treat IFN_COPYSIGN the same as the copysign tree expr.
The latter has a libcall fallback and the IFN can only do optabs.
Because of this the change I made to optimize copysign only works if the
target has impemented the optab, but it should work for those that have
