[PATCH] arm: Fix MVE's vcmp vector-scalar patterns [PR107987]
Kyrylo Tkachov
Kyrylo.Tkachov@arm.com
Tue Dec 6 11:23:02 GMT 2022
> -----Original Message-----
> From: Andre Simoes Dias Vieira <Andre.SimoesDiasVieira@arm.com>
> Sent: Tuesday, December 6, 2022 11:19 AM
> To: 'gcc-patches@gcc.gnu.org' <gcc-patches@gcc.gnu.org>
> Cc: Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>; Richard Earnshaw
> <Richard.Earnshaw@arm.com>
> Subject: [PATCH] arm: Fix MVE's vcmp vector-scalar patterns [PR107987]
>
> Hi,
>
> This patch surrounds the scalar operand of the MVE vcmp patterns with a
> vec_duplicate to ensure both operands of the comparision operator have the
> same
> (vector) mode.
>
> Regression tested on arm-none-eabi. Is this OK for trunk? And a backport to
> GCC 12?
Ok.
Thanks,
Kyrill
>
> gcc/ChangeLog:
>
> PR target/107987
> * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_n_<mode>,
> @mve_vcmp<mve_cmp_op>q_n_f<mode>): Apply vec_duplicate to
> scalar
> operand.
>
> gcc/testsuite/ChangeLog:
>
> * gcc/testsuite/gcc.target/arm/mve/pr107987.c: New test.
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