From: Alexandre Oliva <aoliva@redhat.com>
Date: Thu, 8 Jul 2004 17:16:24 +0000 (+0000)
Subject: builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy to strcpy.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ad4319ec12a27512566edfe9364ea59f63d397bc;p=gcc.git

builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy to strcpy.

* builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
to strcpy.

From-SVN: r84301
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e2cdc6693e1..1456ae97488 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 72cf798a021..9bcef91a70b 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;