[FFmpeg-devel] [Bug target/14552] compiled trivial vector intrinsic code is inefficient

Uoti Urpala uoti.urpala
Thu Mar 20 03:45:52 CET 2008


On Thu, 2008-03-20 at 03:36 +0100, Michael Niedermayer wrote:
> On Thu, Mar 20, 2008 at 04:16:43AM +0200, Uoti Urpala wrote:
> > On Thu, 2008-03-20 at 02:32 +0100, Michael Niedermayer wrote:
> > > Anyway iam glad ffmpeg compiles fine under icc.
> > 
> > Except for at least two known miscompiled functions...
> 
> Yes, though i wonder how many would be miscompiled if ffmpeg were developed
> under icc and compiled for the "first" time under gcc. I remember working
> around plenty of asm()-gcc issues ...

Issues in which version of gcc? And the known icc miscompilations are in
plain C code, how many workarounds for gcc problems with plain C are
there?





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