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Re: wide-int, rs6000
- From: Kenneth Zadeck <zadeck at naturalbridge dot com>
- To: David Edelsohn <dje dot gcc at gmail dot com>
- Cc: Mike Stump <mikestump at comcast dot net>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 26 Nov 2013 19:07:04 -0600
- Subject: Re: wide-int, rs6000
- Authentication-results: sourceware.org; auth=none
- References: <42DC4C50-3430-4A2E-914C-FEC7A0DB7DEB at comcast dot net> <CAGWvny=BikM8xtDoRbKqL3sQQt+4-h2ZbL_F0zv+ZJmbAXOs9A at mail dot gmail dot com> <52206F9F-3BFD-44E5-91AA-C4250D9C681C at comcast dot net> <CAGWvny=XoZ1QWH3FAoJ_cDbEyxFVPBYCT7C8ocZpv302p8nj4Q at mail dot gmail dot com>
We will of course measure it but the only thing that is different because of the conversion is that timode integers are packaged differently
> On Nov 26, 2013, at 6:17 PM, David Edelsohn <dje.gcc@gmail.com> wrote:
>
>> On Tue, Nov 26, 2013 at 5:46 PM, Mike Stump <mikestump@comcast.net> wrote:
>>
>> Ok?
>
> The revised version of the patch looks okay from a technical
> perspective, but I still am concerned about the compile-time impact. I
> thought that I saw a comment on IRC that wide-int seems to have a 3-5%
> compile time impact, which is a concern. I am concerned about the
> rs6000 port being further slowed with respect to other targets.
>
> Thanks, David