From: Eric Botcazou <ebotcazou@adacore.com>
Date: Fri, 20 May 2016 20:51:18 +0000 (+0000)
Subject: arm.c (arm_expand_prologue): Set the stack usage to 0 for naked functions.
X-Git-Tag: releases/gcc-4.9.4~160
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f941da93138d9d9e63b68759773d511cae08ff7d;p=thirdparty%2Fgcc.git

arm.c (arm_expand_prologue): Set the stack usage to 0 for naked functions.

	* config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
	for naked functions.
	(thumb1_expand_prologue): Likewise.

From-SVN: r236542
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 739e638374aa..fe3d796eefd2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
+	for naked functions.
+	(thumb1_expand_prologue): Likewise.
+
 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
 
 	* sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 3844275d3930..7fc7f0464ea0 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -20685,7 +20685,11 @@ arm_expand_prologue (void)
 
   /* Naked functions don't have prologues.  */
   if (IS_NAKED (func_type))
-    return;
+    {
+      if (flag_stack_usage_info)
+	current_function_static_stack_size = 0;
+      return;
+    }
 
   /* Make a copy of c_f_p_a_s as we may need to modify it locally.  */
   args_to_push = crtl->args.pretend_args_size;
@@ -26709,7 +26713,11 @@ thumb1_expand_prologue (void)
 
   /* Naked functions don't have prologues.  */
   if (IS_NAKED (func_type))
-    return;
+    {
+      if (flag_stack_usage_info)
+	current_function_static_stack_size = 0;
+      return;
+    }
 
   if (IS_INTERRUPT (func_type))
     {