Re: [Linuxsampler-devel] profiling, etc.

[Vladimir S. <ha...@gm...>]

BTW, by dropping support i mean support for CPU specific assembly
optimizations, gcc  should still be able to build CPP version fine.

On Tue, 21 Dec 2004 21:30:36 -0500, Vladimir Senkov <ha...@gm...> wrote:
> I've installed gcc 3.2.3 on my box and i can reproduce the problem.
> the problem could probably be fixed but i'm not sure how yet.
> If i take that code out i hit the next problem:
> Synthesizer.h:318: Internal compiler error in fixup_var_refs_1, at function.c:
>    1966
> Please submit a full bug report,
> 
> i don't know how many more of these are out there.
> 
> so i'm not sure we can fix all of those. maybe we'll have to limit
> ourselfs to supporting gcc 3.3.x and 3.4.x?
> I'll try a few more things before i give up . . .
> 
> 
> On Tue, 21 Dec 2004 23:55:28 +0100, Christian Schoenebeck
> <sch...@so...> wrote:
> > Es geschah am Dienstag 21 Dezember 2004 14:33 als Vladimir Senkov schrieb:
> > > Hi Garett,
> > >
> > > This is a bummer. GCC can't find enough registers for assembly code to use.
> > > We've had these problems on and off and had to guide it a bit in these
> > > areas. In general, building with -O2 seems to have a better chance
> > > then -O1 or -O0.
> > > But it looks like you already have -O2 there.
> >
> > I was able to reproduce this with some GCC version coming with Redhat 9.
> > Unfortunately the hard drive is currently detached on that box and I forgot
> > to look for the GCC version. But I will look at it ASAP.
> >
> > Garett, in the meantime you can disable LS to be compiled with MMX SSE
> > optimization. Even without those it's faster than with previous versions. Do
> > the following:
> >
> >  * comment out all SynthesizeFragment_modeX() methods in
> >    src/engines/gig/Synthesizer.cpp from mode 32 to the end, thus all which use
> >    the ASM_X86_MMX_SSE typedef in their method body
> >
> >  * comment out all respective cases from 32 to the end in
> >    GetSynthesisFunction() (same file)
> >
> >  * and finally place a simple 'return' or something at the beginning of method
> >    Features::detect(), so it won't detect MMX / SSE on your box
> >
> > CU
> > Christian
> >
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> 
> 
> --
> Regards,
> Vladimir
> 


-- 
Regards,
Vladimir