Error building tuneup

[Torbjorn Granlund]

Mats SX <mats.sxz at gmail.com> 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
5.2.

-- 
Torbjörn