ATOMIC_CAS with 3 sregs.

ATOMIC_CAS with 3 sregs.

2009-03-24  Mark Probst  <mark.probst@gmail.com>

        * mini-ops.h: New ternary ATOMIC_CAS ops replace the old
        ATOMIC_CAS_IMM ops.

        * method-to-ir.c: Handle more cases for
        Interlocked.CompareExchange.

        * cpu-x86.md, mini-x86.c, mini-x86.h, cpu-amd64.md,
        * mini-amd64.c,
        mini-amd64.h, cpu-ppc.md, cpu-ppc64.md, mini-ppc.c, mini-ppc.h:
        ATOMIC_CAS implementations for x86, AMD64, PPC and PPC64.

2009-03-24  Mark Probst  <mark.probst@gmail.com>

        * interlocked-3.cs: New CompareExchange test.

        * Makefile.am: Test added.

svn path=/trunk/mono/; revision=130153