Hi Dennis,
> -Original Message-
> From: Dennis Zhang
> Sent: 06 October 2020 17:59
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov ; nd ;
> Richard Earnshaw ; Ramana Radhakrishnan
>
> Subject: [PATCH][Arm] Auto-vectorization for MVE: vmin/vmax
>
> Hi all,
>
> This patch enables MVE vmin/vmax instructions for auto-vectorization.
> MVE target is included in expander smin3, umin3,
> smax3
> and umax3 for vectorization.
> Related insns for vmin/vmax in mve.md are modified to use smin, umin,
> smax and umax expressions instead of unspec to support the expanders.
>
> Regression tested on arm-none-eabi and bootstraped on
> arm-none-linux-gnueabihf.
>
> Is it OK for trunk please?
Ok.
Thanks,
Kyrill
>
> Thanks
> Dennis
>
> gcc/ChangeLog:
>
> 2020-10-02 Dennis Zhang
>
> * config/arm/mve.md (mve_vmaxq_): Replace with ...
> (mve_vmaxq_s, mve_vmaxq_u): ... these new insns to
> use smax/umax instead of VMAXQ.
> (mve_vminq_): Replace with ...
> (mve_vminq_s, mve_vminq_u): ... these new insns to
> use smin/umin instead of VMINQ.
> (mve_vmaxnmq_f): Use smax instead of VMAXNMQ_F.
> (mve_vminnmq_f): Use smin instead of VMINNMQ_F.
> * config/arm/vec-common.md (smin3): Use the new mode macros
> ARM_HAVE__ARITH.
> (umin3, smax3, umax3): Likewise.
>
> gcc/testsuite/ChangeLog:
>
> 2020-10-02 Dennis Zhang
>
> * gcc.target/arm/simd/mve-vminmax_1.c: New test.