From: Vladimir Makarov <vmakarov@redhat.com>
To: Lehua Ding <lehuading@qq.com>
Cc: richard.sandiford@arm.com, juzhe.zhong@rivai.ai, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 4/4] lra: Apply DF_LIVE_SUBREG data
Date: Wed, 8 May 2024 12:29:19 -0400 [thread overview]
Message-ID: <17469932-d1b0-4b17-94a6-bd488a7f8874@redhat.com> (raw)
In-Reply-To: <tencent_60DBED7E605FA3CCD820C3D503EED670420A@qq.com>
On 5/7/24 23:01, Lehua Ding wrote:
> Hi Vladimir,
>
> I'll send V3 patchs based on these comments. Note that these four
> patches only support subreg liveness tracking and apply to IRA and LRA
> pass. Therefore, no performance changes are expected before we support
> subreg coalesce. There will be new patches later to complete the
> subreg coalesce functionality. Support for subreg coalesce requires
> support for subreg copy i.e. modifying the logic for conflict detection.
>
>
Thank you for your clarification that the current batch of patches does
not change the performance. I hope the next batch of patches will be
added to devel/subreg-coalesce branch too for their easier evaluation.
next prev parent reply other threads:[~2024-05-08 16:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-03 10:50 [PATCH 0/4] Add DF_LIVE_SUBREG data and apply to IRA and LRA Lehua Ding
2024-02-03 10:50 ` [PATCH 1/4] df: Add -ftrack-subreg-liveness option Lehua Ding
2024-02-03 10:50 ` [PATCH 2/4] df: Add DF_LIVE_SUBREG problem Lehua Ding
2024-02-03 10:50 ` [PATCH 3/4] ira: Apply DF_LIVE_SUBREG data Lehua Ding
2024-05-01 16:21 ` Vladimir Makarov
2024-02-03 10:50 ` [PATCH 4/4] lra: " Lehua Ding
2024-05-01 16:24 ` Vladimir Makarov
2024-05-08 3:01 ` Lehua Ding
2024-05-08 16:29 ` Vladimir Makarov [this message]
2024-05-08 22:16 ` 钟居哲
2024-02-05 7:01 ` [PATCH 0/4] Add DF_LIVE_SUBREG data and apply to IRA and LRA Lehua Ding
2024-02-05 16:10 ` Jeff Law
2024-02-06 1:44 ` Lehua Ding
2024-02-06 13:43 ` Vladimir Makarov
2024-02-05 18:17 ` Joseph Myers
2024-02-06 1:44 ` Lehua Ding
2024-04-24 10:05 [PATCH V2 " Lehua Ding
2024-04-24 10:05 ` [PATCH 4/4] lra: Apply DF_LIVE_SUBREG data Lehua Ding
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