Remove some extraneous whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192629 91177308-0d34-0410-b5e6-96231b3b80d8
Reformat this routine slightly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192630 91177308-0d34-0410-b5e6-96231b3b80d8
Revert part of a fix from 2010, changes since then:

a) x86-64 TLS has been documented
b) the code path should use movq for the correct relocation
   to be generated.

I've also added a fixme for the test case that we should improve
the code generated, it should look something like is documented
in the tls abi document.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192631 91177308-0d34-0410-b5e6-96231b3b80d8