copyright: Change HP copyright on x86 code to be more friendly
X86: Make the qaud width bswap instruction handle the fact that 32 bit operations zero extend.
X86: Do a merge for the zero extension microop.
X86: Implement the bswap instruction.
style: Remove non-leading tabs everywhere they shouldn't be. Developers should configure their editors to not insert tabs
X86: Please excuse my dear Aunt Sally. (precedence bug)
X86: Change the meaning of the sext and zext width operand, and make sext set zext if the sign bit is 0.
X86: Implement the XLAT instruction.
X86: Put in stubs for x87, 64 bit and 128 bit SIMD instruction microcode.