ARM AAPCS-VFP: fix tracking of allocated VFP registers.

According to the spec, we can backfill VFP registers that were skipped due
to alignment constraints.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167159 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed