Rename new to newval in inline asm code, to avoid clashes with C++ new.
Also rename cmp to cmpval just to keep the asm variable names similar to
the C variable names.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271310 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f