Re: [Om-synth] sse optimization on k8

[Garett Shulman]

Garett Shulman wrote:
> Hello, I am compiling Om from CVS on an opteron. I can compile fine 
> without sse optimization. However when I try to optimize I get an 
> error posted below. Any ideas? Thanks. -Garett
By configuring with CFLAGS="-march=k8 -msse3" and then hacking 
src/engine/Makefile to remove -fPIC I was able to compile.
> I am doing:
> >./configure CFLAGS="-march=k8 -mfpmath=sse"
> ...
> configure: Building with flags: -march=k8 -mfpmath=sse -DNDEBUG 
> -DNDEBUG -pipe -fmessage-length=139 
> -fdiagnostics-show-location=every-line
>
> >make
> ...
> make[4]: Entering directory `/root/src/system/om-cvs/om-synth/src/engine'
> if g++ -DHAVE_CONFIG_H -I. -I. -I../..    -I/usr/local/include     
> -I/usr/include/alsa    -I../../src/common -
> fno-exceptions -fno-rtti -fPIC -march=k8 -mfpmath=sse -DNDEBUG 
> -DNDEBUG -pipe -fmessage-length=139 
> -fdiagnostics-show-location=every-line -MT main.o -MD -MP -MF 
> ".deps/main.Tpo" \
>  -c -o main.o `test -f 'main.cpp' || echo './'`main.cpp; \
> then mv -f ".deps/main.Tpo" ".deps/main.Po"; \
> else rm -f ".deps/main.Tpo"; exit 1; \
> fi
> util.h: In function 'void Om::set_denormal_flags()':
> util.h:40: error: can't find a register in class 'BREG' while 
> reloading 'asm'
> util.h:44: error: can't find a register in class 'BREG' while 
> reloading 'asm'
> util.h:56: error: can't find a register in class 'BREG' while 
> reloading 'asm'
> make[4]: *** [main.o] Error 1
> make[4]: Leaving directory `/root/src/system/om-cvs/om-synth/src/engine'
>
>
>
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