i386: Set the stack usage to 0 for naked functions

gcc/ChangeLog

	* config/i386/i386.c (ix86_expand_prologue): Set the stack usage to 0
	for naked functions.

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index f5f25eb95c946d92f1b35b57cf1cdc2f7f2e17e0..8aa9516edea66a27e8b810b2fbf4964c9161a943 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -8142,7 +8142,11 @@ ix86_expand_prologue (void)
   rtx static_chain = NULL_RTX;
 
   if (ix86_function_naked (current_function_decl))
-    return;
+    {
+      if (flag_stack_usage_info)
+       current_function_static_stack_size = 0;
+      return;
+    }
 
   ix86_finalize_stack_frame_flags ();