Alan Stange <stange@rentec.com> writes:
> Check out the comment and implementation for cas32() in this .il
> template file for libc from OpenSolaris:
> http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libc/sparc/threads/sparc.il
If you mean
* When compiling with -xarch=v8, the compiler refuses to
* accept the 'cas' instruction, so we encode it in hex below.
I can't say that that impresses me. It still will fail on v8 chips no?
What's the point of fooling the compiler if you can't fool the hardware?
regards, tom lane