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Re: [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)

From: Paolo Bonzini <bonzini at gnu dot org>
To: Kenneth Zadeck <zadeck at naturalbridge dot com>
Cc: Jakub Jelinek <jakub at redhat dot com>, gcc-patches at gcc dot gnu dot org
Date: Wed, 16 Mar 2011 09:46:20 +0100
Subject: Re: [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)
References: <20110315230526.GD30899@tyan-ft48-01.lab.bos.redhat.com> <4D7FF24D.6050709@naturalbridge.com>

On 03/16/2011 12:12 AM, Kenneth Zadeck wrote:

so how much time does this save?

I agree that this is a useful simplification, but it seems unlikely to
be that important in real code.
it seems like the 5000 store test would in general provide a better
safety valve.

I think having both is a good idea.

Paolo

Follow-Ups:
- Re: [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)
  - From: Jakub Jelinek

References:
- [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)
  - From: Jakub Jelinek
- Re: [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)
  - From: Kenneth Zadeck

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