Merged revisions 75982 via svnmerge from

Merged revisions 75982 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75982 | mark.dickinson | 2009-10-31 10:11:28 +0000 (Sat, 31 Oct 2009) | 5 lines

  Issue #6603: Fix --with-tsc build failures on x86-64 that resulted
  from a gcc inline assembler peculiarity. (gcc's "A" constraint
  apparently means 'rax or rdx' in 64-bit mode, not edx:eax
  or rdx:rax as one might expect.)
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