The Mips specific inline asm operand modifier 'z' has the

The Mips specific inline asm operand modifier 'z' has the
following description in the gnu sources:

    Print $0 if operand is zero otherwise print the op normally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159324 91177308-0d34-0410-b5e6-96231b3b80d8