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-rw-r--r--gcc/function.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/gcc/function.c b/gcc/function.c
index 586ef7e..bbd7ecc 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -1,6 +1,6 @@
/* Expands front end tree to back end RTL for GNU C-Compiler
Copyright (C) 1987, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000 Free Software Foundation, Inc.
+ 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -6825,8 +6825,8 @@ expand_function_end (filename, line, end_bindings)
if (current_function_returns_struct
|| current_function_returns_pcc_struct)
{
- rtx value_address =
- XEXP (DECL_RTL (DECL_RESULT (current_function_decl)), 0);
+ rtx value_address
+ = XEXP (DECL_RTL (DECL_RESULT (current_function_decl)), 0);
tree type = TREE_TYPE (DECL_RESULT (current_function_decl));
#ifdef FUNCTION_OUTGOING_VALUE
rtx outgoing
@@ -6834,15 +6834,25 @@ expand_function_end (filename, line, end_bindings)
current_function_decl);
#else
rtx outgoing
- = FUNCTION_VALUE (build_pointer_type (type),
- current_function_decl);
+ = FUNCTION_VALUE (build_pointer_type (type), current_function_decl);
#endif
/* Mark this as a function return value so integrate will delete the
assignment and USE below when inlining this function. */
REG_FUNCTION_VALUE_P (outgoing) = 1;
+#ifdef POINTERS_EXTEND_UNSIGNED
+ /* The address may be ptr_mode and OUTGOING may be Pmode. */
+ if (GET_MODE (outgoing) != GET_MODE (value_address))
+ value_address = convert_memory_address (GET_MODE (outgoing),
+ value_address);
+#endif
+
emit_move_insn (outgoing, value_address);
+
+ /* Show return register used to hold result (in this case the address
+ of the result. */
+ current_function_return_rtx = outgoing;
}
/* ??? This should no longer be necessary since stupid is no longer with