Sébastien,
This is due to fact that -march=native on FSF gcc's compilers will cause the
AVX instructions to
be emitted on newer chipsets. These AVX instructions aren't understood by the
legacy gnu assembler
used by the FSF gcc compiler. You should be able to work around this issue by
appending -mno-avx
to CFLAGS.
Jack
ps FYI, the dragonegg-gcc packaging that I will release for llvm 3.3 will
automatically pass
-specs=/sw/lib/gcc4.8/lib/integrated-as.specs to the FSF gcc compiler so that
the llvm integrated
assembler will be used by FSF gcc rather than the legacy gnu assembler. This
should allow the
AVX instructions emitted by -march=native to be usable on darwin when using the
dragonegg plugin.
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