../common_thread.h:138:24: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
  if ((blas_cpu_number == 1)
       ~~~~~~~~~~~~~~~~^~~~
../common_thread.h:138:24: note: remove extraneous parentheses around the comparison to silence this warning
  if ((blas_cpu_number == 1)
      ~                ^   ~
../common_thread.h:138:24: note: use '=' to turn this equality comparison into an assignment
  if ((blas_cpu_number == 1)
                       ^~
                       =

Just copy the kernel codes from Nehalem. The optimization is ongoing.

fix a couple of FreeBSD issues

- Test with '-x' operator to ensure file is executable.
- 'break' is not a valid Perl keyword.

This change adds the missing LAPACKE_[zc]syr routines but does not remove any exported functions.

Added some documentation on how the symbol list is derived and synchronized with
lapack-3.4.1 to minimize the differences.

They are as following,
slabad, dlabad,
slacpy, dlacpy,
slamch, dlamch,
slartg, slartgp, slartgs, dlartg, dlartgp, dlartgs,
slascl, dlascl,
slaset, dlaset.