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Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch

From: Steven Bosscher <stevenb dot gcc at gmail dot com>
To: Jeff Law <law at redhat dot com>
Cc: Maxim Kuvyrkov <maxim at codesourcery dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Mon, 21 Jun 2010 22:38:32 +0200
Subject: Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
References: <4C18F225.2040509@codesourcery.com> <4C18F491.2000406@codesourcery.com> <AANLkTinT0L8VRpB_Y_sQfoQ4x_tC3CZl5csz6IWJezb2@mail.gmail.com> <4C1FB369.4080006@redhat.com> <AANLkTimJKmvB19PiVdPDNh2g6VX9fryFGh4vR_rrm_J3@mail.gmail.com> <4C1FC91D.401@redhat.com>

On Mon, Jun 21, 2010 at 10:18 PM, Jeff Law <law@redhat.com> wrote:
> Clearly you don't want to hoist any higher than the lowest common dominator.
> ?Otherwise you unreasonably lengthen lifetimes. ?Maxim will need to address
> this problem as well.

Yes, and I need to fix this for my GIMPLE hoisting pass also. Do you
know of an algorithm for this?

Ciao!
Steven

Follow-Ups:
- Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
  - From: Jeff Law

References:
- Improvements to code hoisting
  - From: Maxim Kuvyrkov
- 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
  - From: Maxim Kuvyrkov
- Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
  - From: Steven Bosscher
- Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
  - From: Jeff Law
- Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
  - From: Steven Bosscher
- Re: 0005-Search-all-dominated-blocks-for-expressions-to-hoist.patch
  - From: Jeff Law

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