code review 11406044: runtime: use funcdata to supply garbage collection info...

src/cmd/8g/peep.c

 // Derived from Inferno utils/6c/peep.c
 // http://code.google.com/p/inferno-os/source/browse/utils/6c/peep.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 108 matching lines @@
                         r2->s1 = r1;
                         r1->p1 = r2;
 
                         r = r2;
                         t++;
 
                 case ADATA:
                 case AGLOBL:
                 case ANAME:
                 case ASIGNAME:
-                case ALOCALS:
                 case ATYPE:
-                case ANPTRS:
-                case APTRS:
                         p = p->link;
                 }
         }
 
         // byte, word arithmetic elimination.
         elimshortmov(r);
 
         // constant propagation
         // find MOV $con,R followed by
         // another MOV $con,R without
@@ skipping 886 matching lines @@
                 if(p->from.offset == p0->from.offset)
                 if(p->from.scale == p0->from.scale)
                 if(p->from.u.vval == p0->from.u.vval)
                 if(p->from.index == p0->from.index) {
                         excise(r);
                         goto loop;
                 }
                 break;
         }
 }