rtl.h (REG_VTABLE_REF): New.

        * rtl.h (REG_VTABLE_REF): New.
        * rtl.c (reg_note_name): Add it.
        * combine.c (distribute_notes): Handle it.
        * final.c (final_scan_insn): Handle it.
        * tree.def (VTABLE_REF): New.
        * expr.c (expand_expr): Handle it.
        * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): New.
        * output.h: Declare them.
cp/
        * class.c (build_vtable_entry_ref): Create a VTABLE_REF instead
        of an asm statement.
        (build_vtbl_ref_1): Split out from build_vtbl_ref.
        (build_vfn_ref): Use it to handle vtable descriptors before
        calling build_vtable_entry_ref.
        * decl2.c (output_vtable_inherit): Use assemble_vtable_inherit.
testsuite/
        * g++.old-deja/g++.other/crash18.C: Add -S to options.

From-SVN: r46195

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc/varasm.c b/gcc/varasm.c
index 3123875..0d6dc76 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -5297,3 +5297,32 @@ default_pe_asm_named_section (name, flags)
 	       (flags & SECTION_CODE ? "discard" : "same_size"));
     }
 }
+
+/* Used for vtable gc in GNU binutils.  Record that the pointer at OFFSET
+   from SYMBOL is used in all classes derived from SYMBOL.  */
+
+void
+assemble_vtable_entry (symbol, offset)
+     rtx symbol;
+     HOST_WIDE_INT offset;
+{
+  fputs ("\t.vtable_entry ", asm_out_file);
+  output_addr_const (asm_out_file, symbol);
+  fputs (", ", asm_out_file);
+  fprintf (asm_out_file, HOST_WIDE_INT_PRINT_DEC, offset);
+  fputc ('\n', asm_out_file);
+}
+
+/* Used for vtable gc in GNU binutils.  Record the class heirarchy by noting
+   that the vtable symbol CHILD is derived from the vtable symbol PARENT.  */
+
+void
+assemble_vtable_inherit (child, parent)
+     rtx child, parent;
+{
+  fputs ("\t.vtable_inherit ", asm_out_file);
+  output_addr_const (asm_out_file, child);
+  fputs (", ", asm_out_file);
+  output_addr_const (asm_out_file, parent);
+  fputc ('\n', asm_out_file);
+}