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[C++ PATCH] Vaporize FNADDR_FROM_VTABLE_ENTRY


Garbage collection in the mean streets of G++.  Passes build, etc.
OK to commit?

Stan

2001-07-31  Stan Shebs  <shebs@apple.com>

        * cp-tree.h (FNADDR_FROM_VTABLE_ENTRY): Remove, no longer used.
        (fnaddr_from_vtable_entry): Remove decl.
        * method.c (use_thunk): Update comment.

Index: cp-tree.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/cp/cp-tree.h,v
retrieving revision 1.633
diff -c -3 -p -r1.633 cp-tree.h
*** cp-tree.h   2001/07/31 16:12:03     1.633
--- cp-tree.h   2001/08/01 00:44:06
*************** enum languages { lang_c, lang_cplusplus,
*** 1158,1170 ****
    ((CP_TYPE_QUALS (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE))    \
     == TYPE_QUAL_CONST)
  
- /* Virtual function addresses can be gotten from a virtual function
-    table entry using this macro.  */
- #define FNADDR_FROM_VTABLE_ENTRY(ENTRY)
\
-   (DECL_THUNK_P (TREE_OPERAND ((ENTRY), 0))                           \
-    : DECL_INITIAL (TREE_OPERAND ((ENTRY), 0))                         \
-    ? (ENTRY))
- 
  #define FUNCTION_ARG_CHAIN(NODE) \
    (TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE))))
  
--- 1158,1163 ----
*************** extern int bound_pmf_p                          PARAMS ((tree)
*** 4197,4203 ****
  extern tree ovl_cons                            PARAMS ((tree, tree));
  extern int ovl_member                           PARAMS ((tree, tree));
  extern tree build_overload                      PARAMS ((tree, tree));
- extern tree fnaddr_from_vtable_entry          PARAMS ((tree));
  extern tree function_arg_chain                        PARAMS ((tree));
  extern int promotes_to_aggr_type              PARAMS ((tree, enum tree_code));
  extern int is_aggr_type_2                     PARAMS ((tree, tree));
--- 4190,4195 ----
Index: method.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/cp/method.c,v
retrieving revision 1.207
diff -c -3 -p -r1.207 method.c
*** method.c    2001/07/31 16:12:03     1.207
--- method.c    2001/08/01 00:44:06
*************** use_thunk (thunk_fndecl, emit_p)
*** 387,395 ****
    fnaddr = DECL_INITIAL (thunk_fndecl);
    if (TREE_CODE (DECL_INITIAL (thunk_fndecl)) != ADDR_EXPR)
      /* We already turned this thunk into an ordinary function.
!        There's no need to process this thunk again.  (We can't just
!        clear DECL_THUNK_P because that will confuse
!        FNADDR_FROM_VTABLE_ENTRY and friends.)  */
      return;
  
    /* Thunks are always addressable; they only appear in vtables.  */
--- 387,393 ----
    fnaddr = DECL_INITIAL (thunk_fndecl);
    if (TREE_CODE (DECL_INITIAL (thunk_fndecl)) != ADDR_EXPR)
      /* We already turned this thunk into an ordinary function.
!        There's no need to process this thunk again.  */
      return;
  
    /* Thunks are always addressable; they only appear in vtables.  */


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