From e397febfb88c6cb7f72069057a7b8b12c5dfca06 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 14 Dec 2016 11:39:36 +0100
Subject: [PATCH] re PR target/78796 (TLS fails to link on aarch64 with
 -mcmodel=large)

	PR target/78796
	* gcc.dg/tls/pr78796.c: New test.

From-SVN: r243645
---
 gcc/testsuite/ChangeLog            |  5 +++++
 gcc/testsuite/gcc.dg/tls/pr78796.c | 32 ++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/tls/pr78796.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1d1b0346056..ba535647648 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/78796
+	* gcc.dg/tls/pr78796.c: New test.
+
 2016-12-14  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/78731
diff --git a/gcc/testsuite/gcc.dg/tls/pr78796.c b/gcc/testsuite/gcc.dg/tls/pr78796.c
new file mode 100644
index 00000000000..12263da9bb4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tls/pr78796.c
@@ -0,0 +1,32 @@
+/* PR target/78796 */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+/* { dg-additional-options "-mcmodel=large" { target aarch64-*-* } } */
+/* { dg-require-effective-target tls } */
+
+struct S { int a, b, c, d, e; };
+struct S t;
+__thread struct S s;
+
+__attribute__((used, noinline, noclone)) void
+foo (int *x, int *y)
+{
+  asm volatile ("" : : "g" (x), "g" (y) : "memory");
+  if (*x != 1 || *y != 2)
+    __builtin_abort ();
+}
+
+__attribute__((used, noinline, noclone)) void
+bar (void)
+{
+  foo (&t.c, &s.c);
+}
+
+int
+main ()
+{
+  t.c = 1;
+  s.c = 2;
+  bar ();
+  return 0;
+}
-- 
2.30.2