(expand_builtin, case BUILT_IN_LONGJMP): Make a decl for __dummy, so

we can call make_function_rtl on it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11805 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/expr.c b/gcc/expr.c
index 512a083..831be61 100644 (file)
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8672,6 +8672,9 @@ expand_builtin (exp, target, subtarget, mode, ignore)
        break;
 
       {
+       tree dummy_id = get_identifier ("__dummy");
+       tree dummy_type = build_function_type (void_type_node, NULL_TREE);
+       tree dummy_decl = build_decl (FUNCTION_DECL, dummy_id, dummy_type); 
        rtx buf_addr
          = force_reg (Pmode, expand_expr (TREE_VALUE (arglist), NULL_RTX,
                                           VOIDmode, 0));
@@ -8689,19 +8692,23 @@ expand_builtin (exp, target, subtarget, mode, ignore)
        rtx stack = gen_rtx (MEM, sa_mode,
                             plus_constant (buf_addr,
                                            2 * GET_MODE_SIZE (Pmode)));
-       rtx value = gen_rtx (SYMBOL_REF, Pmode, "__dummy");
+
+       DECL_EXTERNAL (dummy_decl) = 1;
+       TREE_PUBLIC (dummy_decl) = 1;
+       make_decl_rtl (dummy_decl, NULL_PTR, 1);
 
        /* Expand the second expression just for side-effects.  */
        expand_expr (TREE_VALUE (TREE_CHAIN (arglist)),
                     const0_rtx, VOIDmode, 0);
 
-       assemble_external_libcall (value);
+       assemble_external (dummy_decl);
 
        /* Pick up FP, label, and SP from the block and jump.  This code is
           from expand_goto in stmt.c; see there for detailed comments.  */
 #if HAVE_nonlocal_goto
        if (HAVE_nonlocal_goto)
-         emit_insn (gen_nonlocal_goto (fp, lab, stack, value));
+         emit_insn (gen_nonlocal_goto (fp, lab, stack,
+                                       XEXP (DECL_RTL (dummy_decl), 0)));
       else
 #endif
        {
@@ -8711,7 +8718,7 @@ expand_builtin (exp, target, subtarget, mode, ignore)
 
          /* Put in the static chain register the address of the dummy
             function.  */
-         emit_move_insn (static_chain_rtx, value);
+         emit_move_insn (static_chain_rtx, XEXP (DECL_RTL (dummy_decl), 0));
          emit_insn (gen_rtx (USE, VOIDmode, hard_frame_pointer_rtx));
          emit_insn (gen_rtx (USE, VOIDmode, stack_pointer_rtx));
          emit_insn (gen_rtx (USE, VOIDmode, static_chain_rtx));