From: Jeff Law <law@redhat.com>
To: Kelvin Nilsen <kdnilsen@linux.vnet.ibm.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] PR66669: Fix failure of gcc.dg/loop-8.c on Power
Date: Mon, 23 Jan 2017 17:08:00 -0000 [thread overview]
Message-ID: <45dbbbe5-943b-efba-fefa-0e39fcab8da5@redhat.com> (raw)
In-Reply-To: <57db91bc-c64f-d001-17e2-6d54c91611b7@linux.vnet.ibm.com>
On 01/23/2017 09:59 AM, Kelvin Nilsen wrote:
>
> The test gcc.dg/loop-8.c makes assumptions that are not valid on Power
> architecture (and on certain other architectures for which this issue
> has already been addressed). The test case assumes that a single
> loop-invariant statement will be moved outside the loop. On Power, a
> constant is copy-propagated within the loop, and the subsequent
> loop-invariant code motion moves two loop-invariant statements out of
> the loop.
>
> This patch simply disables this test case on Power architecture.
>
>
> gcc/testsuite/ChangeLog:
>
> 2017-01-23 Kelvin Nilsen <kelvin@gcc.gnu.org>
>
> PR target/66669
> * gcc.dg/loop-8.c: Modify dg-skip-if directive to exclude this
> test on powerpc targets.
OK.
jeff
next prev parent reply other threads:[~2017-01-23 17:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 17:01 Kelvin Nilsen
2017-01-23 17:08 ` Jeff Law [this message]
2017-06-26 22:13 ` [PATCH] PR66669: Fix failure of gcc.dg/loop-8.c on Power (Backport) Kelvin Nilsen
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