[opus] configure options for x86

[Sean Darcy]

On Wed, Nov 18, 2015 at 9:34 AM, Jonathan Lennox <jonathan at vidyo.com> wrote:

>
> > On Nov 16, 2015, at 6:27 PM, Sean Darcy <seandarcy2 at gmail.com> wrote:
> >
> > Thanks for the prompt and helpful replies.
> >
> > Built with --enable-custom-modes --disable-static --enable-intrinsics
> --enable-rtcd --enable-float-approx
> >
> > All worked. Only thing odd, rtcd was not enabled:
> >
> >       Floating point support: ........ yes
> >       Fast float approximations: ..... yes
> >       Fixed point debugging: ......... no
> >       Inline Assembly Optimizations: . No inline ASM for your platform,
> please send patches
> >       External Assembly Optimizations:
> >       Intrinsics Optimizations.......: x86 SSE SSE2 SSE4.1 AVX
> >       Run-time CPU detection: ........ no
> >       Custom modes: .................. yes
> >       …………………..
>
> Is your compiler configured to generate AVX code by default? If the
> configure script detects that it can use the various CPU variants
> unconditionally, it won’t bother to use RTCD.
>
> Understand. Thanks.
sean
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