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Re: Using SSE2 with the old i386 ABI
- From: Florian Weimer <fweimer at redhat dot com>
- To: Jeff Law <law at redhat dot com>, "gcc-help at gcc dot gnu dot org" <gcc-help at gcc dot gnu dot org>
- Date: Tue, 1 Aug 2017 11:20:50 +0200
- Subject: Re: Using SSE2 with the old i386 ABI
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On 07/31/2017 05:51 PM, Jeff Law wrote:
> On 07/31/2017 09:40 AM, Florian Weimer wrote:
>> I'm pretty sure all hell would break lose if we shipped the i686 compat
>> userland with SSE2 optimization due to these issues, and I'm concerned
>> that all things considered, turning on SSE2 optimizations is probably
>> not worth the effort.
> Yea, you're probably right. Do you want to make the recommendation on
> behalf of GCC/GLBIC?
It's more about *not* officially suggesting to use -msse2. :)
Florian