From: Pat Bernardi <bernardi@adacore.com>
Date: Sun, 1 Nov 2020 17:51:08 +0000 (+0100)
Subject: i386: Set the stack usage to 0 for naked functions
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3784f161a383ead7d5fe9a5b68e4d07eccd82d49;p=gcc.git

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 f5f25eb95c9..8aa9516edea 100644
--- 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 ();