From: Segher Boessenkool <segher@kernel.crashing.org>
To: Kyrill Tkachov <kyrylo.tkachov@arm.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH][combine] PR rtl-optimization/68381: Only restrict pure simplification in mult-extend subst case, allow other substitutions
Date: Thu, 26 Nov 2015 13:32:00 -0000 [thread overview]
Message-ID: <20151126130220.GB22668@gate.crashing.org> (raw)
In-Reply-To: <564DA3D1.10905@arm.com>
On Thu, Nov 19, 2015 at 10:26:25AM +0000, Kyrill Tkachov wrote:
> Ok for trunk?
>
> Thanks,
> Kyrill
>
> 2015-11-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
>
> PR rtl-optimization/68381
> * combine.c (subst): Do not return clobber of zero in widening mult
> case. Just return x unchanged if it is a no-op substitution.
>
> 2015-11-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
>
> PR rtl-optimization/68381
> * gcc.c-torture/execute/pr68381.c: New test.
This is fine for trunk. Thanks.
Segher
prev parent reply other threads:[~2015-11-26 13:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-19 10:26 Kyrill Tkachov
2015-11-19 10:57 ` Segher Boessenkool
2015-11-19 13:39 ` Kyrill Tkachov
2015-11-19 14:41 ` Segher Boessenkool
2015-11-19 15:00 ` Kyrill Tkachov
2015-11-19 15:20 ` Kyrill Tkachov
2015-11-24 0:40 ` Segher Boessenkool
2015-11-26 9:55 ` Kyrill Tkachov
2015-11-26 13:02 ` Segher Boessenkool
2015-11-26 13:32 ` Segher Boessenkool [this message]
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