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Re: GCC Optimisation status update

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: zoltan at bendor dot com dot au
Cc: Jakub Jelinek <jakub at redhat dot com>, Dimitrios Apostolou <jimis at gmx dot net>, gcc at gcc dot gnu dot org, Steven Bosscher <stevenb dot gcc at gmail dot com>, Nicola Pero <nicola dot pero at meta-innovation dot com>
Date: Tue, 14 Jun 2011 14:58:29 -0700
Subject: Re: GCC Optimisation status update
References: <BANLkTin-2oE=br1HM=GkhZdh12Sy4B+HkA@mail.gmail.com> <Pine.LNX.4.31.1106150655360.20388-100000@susu.bendor.com.au>

On Tue, Jun 14, 2011 at 2:51 PM,  <zoltan@bendor.com.au> wrote:
>
>> We are working on a patch which will improve decimal
>> itoa by up to 10X. ?It will take a while to finish it.
>
> What's the method?
>

We use SSSE3 and SSE4 instructions for shift and multiply.

-- 
H.J.

References:
- Re: GCC Optimisation status update
  - From: H.J. Lu
- Re: GCC Optimisation status update
  - From: zoltan

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