Grow the X86FloatingPoint register map to hold 16 registers.

This allows for more live scratch registers which is needed to handle
live ST registers before return and inline asm instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133903 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed