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Re: [PATCH][2 of 2] RTL expansion for zero sign extension elimination with VRP

From: Kugan Vivekanandarajah <kugan dot vivekanandarajah at linaro dot org>
To: Eric Botcazou <ebotcazou at adacore dot com>
Cc: gcc-patches at gcc dot gnu dot org, Richard Biener <rguenther at suse dot de>, rdsandiford at googlemail dot com
Date: Thu, 26 Sep 2013 18:04:29 +0930
Subject: Re: [PATCH][2 of 2] RTL expansion for zero sign extension elimination with VRP
Authentication-results: sourceware.org; auth=none
References: <51ABFC6E dot 30205 at linaro dot org> <1726629 dot C2vZH2NXuZ at polaris> <520B31F5 dot 7020200 at linaro dot org> <52245B58 dot 6090507 at linaro dot org>

Hi,

This is the updated patch for expanding gimple stmts without zer/sign
extensions when it is safe to do that. This is based on the
 latest changes to propagating value range information to SSA_NAMEs
and addresses review comments from Eric.

Bootstrapped and regtested on x86_64-unknown-linux-gnu and arm-none
linux-gnueabi. Is this OK ?

Thanks,
Kugan

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References:
- Re: [PATCH][2 of 2] RTL expansion for zero sign extension elimination with VRP
  - From: Kugan

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