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-rw-r--r--gcc/ChangeLog3
-rw-r--r--gcc/builtins.c9
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e2cdc66..1456ae9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
2004-07-08 Alexandre Oliva <aoliva@redhat.com>
+ * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
+ to strcpy.
+
* expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
(FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
(FUNCTION_ARG_CALLEE_COPIES): Likewise.
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 72cf798..9bcef91 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -3090,7 +3090,14 @@ expand_builtin_stpcpy (tree arglist, rtx target, enum machine_mode mode)
{
/* If return value is ignored, transform stpcpy into strcpy. */
if (target == const0_rtx)
- return expand_builtin_strcpy (arglist, target, mode);
+ {
+ tree fn = implicit_built_in_decls[BUILT_IN_STRCPY];
+ if (!fn)
+ return 0;
+
+ return expand_expr (build_function_call_expr (fn, arglist),
+ target, mode, EXPAND_NORMAL);
+ }
if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE))
return 0;