[Bug target/39573] Linking fails on AMD with -march=native, works with generic x86_64

[fpbeekhof at gmail dot com]

------- Comment #9 from fpbeekhof at gmail dot com  2009-04-04 18:13 -------
Subject: Re:  Linking fails on AMD with -march=native, works
 with generic x86_64

rguenth at gcc dot gnu dot org wrote:
> ------- Comment #8 from rguenth at gcc dot gnu dot org  2009-04-04 18:03 -------
> Btw, with -O3 the vectorizer is on by default, so you need -fno-tree-vectorize
> to turn it off.

(Oh...)
I tried with "-march=native" and "-fno-tree-vectorize", it still fails:

gccbug39573$ make clean; make
rm -f *.o *~ shapes
gcc -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize   -c -o mainpp.o mainpp.cc
gcc -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize   -c -o tinystrpp.o tinystrpp.cc
gcc -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize   -c -o tinyxmlpp.o tinyxmlpp.cc
gcc -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize   -c -o tinyxmlerrorpp.o tinyxmlerrorpp.cc
gcc -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize   -c -o tinyxmlparserpp.o tinyxmlparserpp.cc
gcc -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize   -c -o SurfaceExtractorpp.o SurfaceExtractorpp.cc
gcc -o shapes -pipe -I. -Wall -O3 -funroll-loops -fopenmp -march=native 
-fno-tree-vectorize -lz -lboost_iostreams -lgsl -lgslcblas mainpp.o 
tinystrpp.o tinyxmlpp.o tinyxmlerrorpp.o tinyxmlparserpp.o 
SurfaceExtractorpp.o
mainpp.o: In function 
`_ZN7cvmlcpp25extractSurfaceFromAdapterIN6shapes20ShapeSurfaceAdaptor_IdEEdEEvRKT_RNS_8GeometryIT0_EEd.omp_fn.8':
mainpp.cc:(.text+0x5688): undefined reference to `void 
cvmlcpp::extractSurfaceFromAdapter<shapes::ShapeSurfaceAdaptor_<double>, 
double>(shapes::ShapeSurfaceAdaptor_<double> const&, 
cvmlcpp::Geometry<double>&, double)::C.907'
collect2: ld returned 1 exit status
make: *** [shapes] Error 1

On an
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 47
model name      : AMD Athlon(tm) 64 Processor 3200+
stepping        : 0

As well as on an
processor       : 31
vendor_id       : AuthenticAMD
cpu family      : 16
model           : 2
model name      : Quad-Core AMD Opteron(tm) Processor 8356
stepping        : 3


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39573