From c12da453708e50f64d592beaaf3d2b18d921a316 Mon Sep 17 00:00:00 2001
From: sje <sje@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 24 Nov 2015 22:11:27 +0000
Subject: [PATCH] 2015-11-24  Steve Ellcey  <sellcey@imgtec.com>

	* gcc.target/mips/frame-header-4.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230846 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/testsuite/ChangeLog                        |  4 ++++
 gcc/testsuite/gcc.target/mips/frame-header-4.c | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/mips/frame-header-4.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5c229ceb4f2..5b240482457 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-24  Steve Ellcey  <sellcey@imgtec.com>
+
+	* gcc.target/mips/frame-header-4.c: New test.
+
 2015-11-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 
 	PR fortran/68486
diff --git a/gcc/testsuite/gcc.target/mips/frame-header-4.c b/gcc/testsuite/gcc.target/mips/frame-header-4.c
new file mode 100644
index 00000000000..3cddba14de5
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/frame-header-4.c
@@ -0,0 +1,20 @@
+/* Verify that we can optimize away the frame header allocation in bar
+   by having it use its frame header to store $31 in before calling foo.  */
+
+/* { dg-do compile } */
+/* { dg-options "-mframe-header-opt -mabi=32" } */
+/* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
+/* { dg-final { scan-assembler-not "\taddiu\t\\\$sp" } } */
+
+int __attribute__ ((noinline))
+foo (int a, int b)
+{
+	return a + b;
+}
+
+int  __attribute__ ((noinline))
+bar (int a, int b)
+{
+	return 1 + foo(a,b);
+}
+
-- 
2.11.4.GIT