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Re: Add uaddv4_optab, usubv4_optab

From: Richard Henderson <rth at redhat dot com>
To: Eric Botcazou <ebotcazou at adacore dot com>, Jakub Jelinek <jakub at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Fri, 20 Nov 2015 12:11:59 +0100
Subject: Re: Add uaddv4_optab, usubv4_optab
Authentication-results: sourceware.org; auth=none
References: <564EF5A4 dot 1030204 at redhat dot com> <20151120104347 dot GH5675 at tucnak dot redhat dot com> <1507877 dot kVgZ9gE3l5 at polaris>

On 11/20/2015 11:56 AM, Eric Botcazou wrote:

Eric has just submitted a documentation path that documented the
{add,sub,mul,umul}v<mode>4 and negv<mode>3 patterns, so this should be
applied on top of that.


OK, I'm going to apply it, thanks.


Thanks.

Note that the comment at the beginning
of expand_addsub_overflow describing the overall strategy ought to be adjusted
if new patterns for the jump on carry are added.


Ok, I'll do that.


r~

References:
- Add uaddv4_optab, usubv4_optab
  - From: Richard Henderson
- Re: Add uaddv4_optab, usubv4_optab
  - From: Jakub Jelinek
- Re: Add uaddv4_optab, usubv4_optab
  - From: Eric Botcazou

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