code review 6208093: cmd/8a, cmd/8l: add BSWAPL

src/cmd/8l/optab.c

 // Inferno utils/8l/optab.c
 // http://code.google.com/p/inferno-os/source/browse/utils/8l/optab.c
 //
 //      Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
 //      Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
 //      Portions Copyright © 1997-1999 Vita Nuova Limited
 //      Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
 //      Portions Copyright © 2004,2006 Bruce Ellis
 //      Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
 //      Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
@@ skipping 224 matching lines @@
         Yi8,    Ynone,  Zib_,   1,
         Yi32,   Ynone,  Zil_,   1,
         0
 };
 uchar   ypopl[] =
 {
         Ynone,  Yrl,    Z_rp,   1,
         Ynone,  Ym,     Zo_m,   2,
         0
 };
+uchar   ybswap[] =
+{
+        Ynone,  Yrl,    Z_rp,   1,
+        0,
+};
 uchar   yscond[] =
 {
         Ynone,  Ymb,    Zo_m,   2,
         0
 };
 uchar   yjcond[] =
 {
         Ynone,  Ybr,    Zbr,    1,
         0
 };
@@ skipping 509 matching lines @@
         { AMFENCE, ynone, Pm, 0xae,0xf0 },
         { ASFENCE, ynone, Pm, 0xae,0xf8 },
 
         { AEMMS, ynone, Pm, 0x77 },
 
         { APREFETCHT0,  yprefetch,      Pm,     0x18,(01) },
         { APREFETCHT1,  yprefetch,      Pm,     0x18,(02) },
         { APREFETCHT2,  yprefetch,      Pm,     0x18,(03) },
         { APREFETCHNTA, yprefetch,      Pm,     0x18,(00) },
 
+        { ABSWAPL,      ybswap, Pm,     0xc8 },
+
         0
 };