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Re: [PATCH] simplify-rtx: Handle truncate of extract

From: Jeff Law <law at redhat dot com>
To: Segher Boessenkool <segher at kernel dot crashing dot org>, gcc-patches at gcc dot gnu dot org
Date: Mon, 28 Nov 2016 13:56:10 -0700
Subject: Re: [PATCH] simplify-rtx: Handle truncate of extract
Authentication-results: sourceware.org; auth=none
References: <f9750839f350fc5e412311d080c6e8fbae5406b9.1480201869.git.segher@kernel.crashing.org>

On 11/26/2016 04:19 PM, Segher Boessenkool wrote:

simplify_truncation changes the truncation of many operations into
the operation on the truncation.  This patch makes this code also
handle extracts.

Tested on powerpc64-linux.  With this patch the rlwimi testcases work.

Is this okay for trunk?

The rlwimi tests?  Are you referring to ppu-intrinsics or something else?


Any chance this would help 15596?

I'm OK with this for the trunk. The questions above are more for thehistorical record, not objections to the patch itself.


jeff

Follow-Ups:
- Re: [PATCH] simplify-rtx: Handle truncate of extract
  - From: Segher Boessenkool
- Re: [PATCH] simplify-rtx: Handle truncate of extract
  - From: Segher Boessenkool

References:
- [PATCH] simplify-rtx: Handle truncate of extract
  - From: Segher Boessenkool

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