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Re: [PATCH, PR43864] Gimple level duplicate block cleanup.
- From: Tom de Vries <vries at codesourcery dot com>
- To: Ian Lance Taylor <iant at google dot com>
- Cc: Richard Guenther <richard dot guenther at gmail dot com>, Steven Bosscher <stevenb dot gcc at gmail dot com>, gcc-patches at gcc dot gnu dot org
- Date: Wed, 24 Aug 2011 09:38:56 +0200
- Subject: Re: [PATCH, PR43864] Gimple level duplicate block cleanup.
- References: <4DEF4408.4040001@codesourcery.com> <BANLkTimAvGy1jRniWftbEvLnGwEN_0Ma8Q@mail.gmail.com> <4DF24C2C.7080808@codesourcery.com> <BANLkTi=rU-E3R8tSkN=iZWvZJ4DcTe-RCg@mail.gmail.com> <4E1C3A19.8060706@codesourcery.com> <CAFiYyc2VhgbAZ8U2iDMJqApzHR+GyCdOfskMEVvr5Mf2TwB8_A@mail.gmail.com> <4E232ADD.3020803@codesourcery.com> <CAFiYyc2ZP-J8szZ9w9FHq0aJeGamnc2O_c-v44045vktZMg7DQ@mail.gmail.com>
On 07/22/2011 05:36 PM, Richard Guenther wrote:
> That said - I'm reasonably happy with the pass now, but it's rather large
> (this review took 40min again ...) so I appreciate a second look from
> somebody else.
>
Ian,
Do you have a moment to give a second look to a gimple CFG optimization? The
optimization removes duplicate basic blocks and reduces code size by 1-2%.
The latest patch is posted at
http://gcc.gnu.org/ml/gcc-patches/2011-08/msg01602.html.
Thanks,
- Tom