From: Richard Biener <richard.guenther@gmail.com>
To: Bin Cheng <Bin.Cheng@arm.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>, nd <nd@arm.com>
Subject: Re: [PATCH PR71347][Partial revert r235513]Compute cost for all uses in group
Date: Mon, 13 Jun 2016 10:10:00 -0000 [thread overview]
Message-ID: <CAFiYyc20TcXbYNnhs1MvaTsonhv817Pa4mSbDK-oRHDHS4aTHQ@mail.gmail.com> (raw)
In-Reply-To: <DB5PR08MB1144BCACC3F137372BAC7A63E7530@DB5PR08MB1144.eurprd08.prod.outlook.com>
On Mon, Jun 13, 2016 at 11:57 AM, Bin Cheng <Bin.Cheng@arm.com> wrote:
> Hi,
> This patch partially reverts part of r235513 to fix PR71347, the original patch is to improve compilation time for a small amount. Root cause as analyzed in bugzilla PR is that we can't skip computing cost for sub iv_use if it has different position to the first use in group. The patch also includes a new test.
>
> Bootstrap and test on x86_64. Is it OK?
Ok.
Richard.
> Thanks,
> bin
>
> 2016-05-31 Bin Cheng <bin.cheng@arm.com>
>
> PR tree-optimization/71347
> * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
> cost for all uses in group.
>
> gcc/testsuite/ChangeLog
> 2016-05-31 Bin Cheng <bin.cheng@arm.com>
>
> PR tree-optimization/71347
> * gcc.dg/tree-ssa/pr71347.c: New test.
next prev parent reply other threads:[~2016-06-13 10:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-13 9:57 Bin Cheng
2016-06-13 10:10 ` Richard Biener [this message]
2016-06-18 8:59 ` Andreas Schwab
2016-06-20 8:18 ` Christophe Lyon
2016-06-20 8:20 ` Bin.Cheng
2016-06-20 9:11 ` Bin.Cheng
2016-06-20 9:19 ` Andreas Schwab
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