am e16aa6b9: Merge "Implement floatsitf, floatunstfsi, which perform (signed/unsigned)integer to quad-precision conversion."

* commit 'e16aa6b9508ee9fe78cbfeab69c166d402b1c4f0':
  Implement floatsitf, floatunstfsi, which perform (signed/unsigned)integer to quad-precision conversion.