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Re: [PATCH] Strip useless type conversions after simplifying casts for VN
- From: Richard Guenther <rguenther at suse dot de>
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 19 Jun 2006 21:47:08 +0200 (CEST)
- Subject: Re: [PATCH] Strip useless type conversions after simplifying casts for VN
- References: <Pine.LNX.4.64.0605241617230.3744@nyjnma.fhfr.qr>
On Wed, 24 May 2006, Richard Guenther wrote:
>
> Catch some more type conversions within FRE and PRE by ignoring useless
> type conversions for VN of casts. (We do the same already for the
> non-simplifying path of VN).
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu for all languages +
> Ada.
>
> Ok for mainline?
Approved on IRC by Danny & Diego. Applied to mainline.
Richard.
> 2006-05-24 Richard Guenther <rguenther@suse.de>
>
> * tree-ssa-pre.c (try_combine_conversion): Strip useless
> type conversions after folding.
--
Richard Guenther <rguenther@suse.de>
Novell / SUSE Labs