X86: Replace the stupd microop with a store/update sequence.
copyright: Change HP copyright on x86 code to be more friendly
X86: Use the new forced folding mechanism for the SAHF and LAHF instructions.
X86: Explicitly use the right width in a few places that need a 64 bit value.
X86: Implement and hook up STI and CLI instructions.
X86: Make pushes and pops use the stack size instead of the data size.
X86: Add microops and supporting code to manipulate the whole rflags register.
X86: Start using the stupd microop, and update statistics accordingly.
X86: Implement the PUSHF, POPF, SAHF, and LAHF instructions.
X86: Put in stubs for x87, 64 bit and 128 bit SIMD instruction microcode.