rename MemOperand as RegExp
define XBYAK_NO_OP_NAMES
runs well on cygwin
vpsllw, vpslld, vpsllq, vpsraw, vpsrad, vpsrlw, vpsrld, vpsrlq support (ymm, ymm, xmm)
support vpbroadcastb, vpbroadcastw, vpbroadcastd, vpbroadcastq(thanks to Gabest)
support putL(LABEL); function
add ud2
change the type of Xbyak::Error from enum to a class
fix typo of comment
rewrite RegExp to combine Vsib(under construction)