! by a sparcv8 CPU. gcc continues to use"ldstub" because

! there is no indication which sparc version it is targeting.

!

! There actually is a trick for embedding"cas" for a compiler

! that is targetingsparcv8:

! It is actually possible to use"cas" for sparcv8 binaries if

! -xarch=v8plus is used for compilation. There is actually a

! trick for embedding"cas"in a sparcv8-targeted compiler, but

! it can only be run on a sparcv8pluscpus:

!

!http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libc/sparc/threads/sparc.il

!

! It is actually possible to use"cas" for sparcv8 binaries if

! -xarch=v8plus is used for compilation.

#ifdef __sparcv9

cas [%o0],%o2,%o1