copyright: Change HP copyright on x86 code to be more friendly
X86: (Re)Implemented SHRD.
X86: Implement SHLD.
X86: Set the flags on rotate left with carry instructions.
X86: Set the flags for rotate right with carry instructions.
X86: Set the flags on a rotate right instruction.
X86: Actually set the flags on a rotate left instruction.
X86: Implement shrd.
X86: Compute shift instruction flags correctly.
X86: Put ldst into the microcode (the earlier changeset didn't really).Also clean things up as much as possible so that faulting won't break aninstruction. More microops which verify addresses are needed.
X86: Put in stubs for x87, 64 bit and 128 bit SIMD instruction microcode.