23     'PSHUF[LH]W': 0xff,
32 def reg_w(w):  argument
33     if w == 8:
35     elif w == 16:
37     elif w == 32:
39     elif w == 64:
41     raise Exception("bad reg_w %d" % w)
43 def mem_w(w):  argument
44     if w == 8:
46     elif w == 16:
48     elif w == 32:
50     elif w == 64:
62             raise Exception("Bad /m width: %s" % w)
97             raise Exception("Bad r/w width: %s" % w)
99             raise Exception("Bad r/w width: %s" % w)
112     def __init__(self, w):  argument
113         if w not in [8, 16, 32, 64, 128, 256]:
114             raise Exception("Bad mem width: %s" % w)
115         self.w = w
117         return mem_w(self.w)
225     with open(sys.argv[2], "w") as outf: