From 9a7154f00ca491ade45efc28752212dc6cca1c71 Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 24 May 2018 20:49:11 +0000
Subject: [PATCH] 	* config/msp430/msp430.c (TARGET_WARN_FUNC_RETURN):
 Define. 	(msp430_warn_func_return): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260690 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog              |  5 +++++
 gcc/config/msp430/msp430.c | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b2ce6864e1d..c793380384a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-05-23  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
+	* config/msp430/msp430.c (TARGET_WARN_FUNC_RETURN): Define.
+	(msp430_warn_func_return): New.
+
 2018-05-24  Roger Sayle  <roger@nextmovesoftware.com>
 
         * fold-const.c (tree_nonzero_bits): New function.
diff --git a/gcc/config/msp430/msp430.c b/gcc/config/msp430/msp430.c
index a8fed123f7a..adde5979c77 100644
--- a/gcc/config/msp430/msp430.c
+++ b/gcc/config/msp430/msp430.c
@@ -1855,6 +1855,17 @@ msp430_allocate_stack_slots_for_args (void)
   return ! is_naked_func ();
 }
 
+#undef TARGET_WARN_FUNC_RETURN
+#define TARGET_WARN_FUNC_RETURN msp430_warn_func_return
+
+static bool
+msp430_warn_func_return (tree decl)
+{
+  /* Naked functions are implemented entirely in assembly, including the
+     return sequence, so suppress warnings about this.  */
+  return !is_naked_func (decl);
+}
+
 /* Verify MSP430 specific attributes.  */
 #define TREE_NAME_EQ(NAME, STR) (strcmp (IDENTIFIER_POINTER (NAME), (STR)) == 0)
 
-- 
2.11.4.GIT