Fix a bug related to constant islands for Mips16 and mips16/32 dual mode.
The determination of when we are doing constant pools was being made too
early in the asm printer.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195781 91177308-0d34-0410-b5e6-96231b3b80d8