Error building tuneup

Torbjorn Granlund tg at
Wed Oct 2 16:42:57 CEST 2013

Mats SX <mats.sxz at> writes:

  ./configure --enable-fat ABI=64 CFLAGS="-march=corei7-avx -mtune=corei7-avx
  -m64 -O3" --enable-cxx CXX=g++ CXXFLAGS="-march=corei7-avx -mtune=corei7-avx -m64 -O3"

I don't think the tune/ stuff will work in a fat build.  You need to
choose a CPU (or let configure (via config.guess) do it).

  (As far as I've gathered, sandybridge support will not be available for
  assembler code in GMP until 5.2.)
We have lots of sandybridge optimised assembly files and a parameter
file (see mpn/x86_64/coreisbr/) already in 5.1.  It will be better in


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