[opus] [PATCH] Refactor silk_LPC_analysis_filter() & Optimize celt_fir_permit_overflow() for ARM NEON

Linfeng Zhang linfengz at google.com
Thu Mar 2 21:12:57 UTC 2017

Thank Ulrich!

Yes, but when the jump table is active, the platform specific optimization
functions could not be inlined.

On Wed, Mar 1, 2017 at 11:27 PM, Ulrich Windl <
Ulrich.Windl at rz.uni-regensburg.de> wrote:

> Hi!
> I'm not deep i the code, but from my experience even older gcc (4.3.4)
> does function inlining at -O2, and at -O3 it inlines almost any function
> inside one module. Once I even let it inline across modules (-combine). I'm
> not talking about explicit inline functions; just about automatic
> optimization.
> So did you check that frequent function calls actually happen? I'm a bit
> afraid that after all those optimizations suggested the code may be rather
> hard to understand. I think compilers should do the dirty work (i.e.:
> optimizing and inlining). Sometimes "static" and "const" attributes help
> the compiler to optimize...
> Regards,
> Ulrich
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