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From: Jakub Jelinek <jakub@redhat.com>
To: Richard Earnshaw <richard.earnshaw@arm.com>,
	       James Greenhalgh <james.greenhalgh@arm.com>,
	       Marcus Shawcroft <marcus.shawcroft@arm.com>,
	gcc-patches@gcc.gnu.org,        richard.sandiford@linaro.org
Subject: Re: [PATCH] Fix aarch64_simd_reg_or_zero predicate (PR fortran/84565)
Date: Wed, 28 Feb 2018 21:49:00 -0000	[thread overview]
Message-ID: <20180228190314.GN5867@tucnak> (raw)
In-Reply-To: <87muzuh5r5.fsf@linaro.org>

On Tue, Feb 27, 2018 at 02:22:22PM +0000, Richard Sandiford wrote:
> > Bootstrapped/regtested on aarch64-linux (scratch Fedora gcc 8 package build
> > with the patch applied), ok for trunk?
> >
> > 2018-02-27  Jakub Jelinek  <jakub@redhat.com>
> >
> > 	PR fortran/84565
> > 	* config/aarch64/predicates.md (aarch64_simd_reg_or_zero): Use
> > 	aarch64_simd_or_scalar_imm_zero rather than aarch64_simd_imm_zero.
> >
> > 	* gfortran.dg/pr84565.f90: New test.
> >
> > --- gcc/config/aarch64/predicates.md.jj	2018-02-06 13:13:06.305751221 +0100
> > +++ gcc/config/aarch64/predicates.md	2018-02-26 16:30:01.902195208 +0100
> > @@ -395,7 +395,7 @@ (define_predicate "aarch64_simd_reg_or_z
> >    (and (match_code "reg,subreg,const_int,const_double,const,const_vector")
> >         (ior (match_operand 0 "register_operand")
> >  	    (match_test "op == const0_rtx")
> > -	    (match_operand 0 "aarch64_simd_imm_zero"))))
> > +	    (match_operand 0 "aarch64_simd_or_scalar_imm_zero"))))
> 
> I think this makes the match_test on the line above redundant.

Yes, it is; it used to be redundant before too.  I can change it if needed,
it would be just a matter of dropping the (match_test "op == const0_rtx")
line.

	Jakub

  reply	other threads:[~2018-02-28 21:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-27  9:50 Jakub Jelinek
2018-02-27 14:22 ` Richard Sandiford
2018-02-28 21:49   ` Jakub Jelinek [this message]
2018-03-07 10:36   ` James Greenhalgh
2018-03-06 16:13 ` Patch ping (Re: [PATCH] Fix aarch64_simd_reg_or_zero predicate (PR fortran/84565)) Jakub Jelinek

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