2016-12-14  Wilco Dijkstra  <wdijkstr@arm.com>

	    Jakub Jelinek  <jakub@redhat.com>

	PR target/78796

	* config/aarch64/aarch64.c (aarch64_classify_symbol): Merge large

	model checks into switch.

	* gcc.dg/tls/pr78796.c: New test.

--- gcc/config/aarch64/aarch64.c	(revision 243645)

+++ gcc/config/aarch64/aarch64.c	(revision 243646)

@@ -4986,6 +4986,9 @@ aarch64_classify_symbol (rtx x,

   switch (aarch64_cmodel)

     {

     case AARCH64_CMODEL_LARGE:

+      if (aarch64_tls_symbol_p (x))

+	return aarch64_classify_tls_symbol (x);

+

       return SYMBOL_FORCE_TO_MEM;

     case AARCH64_CMODEL_TINY:

--- gcc/testsuite/gcc.dg/tls/pr78796.c	(nonexistent)

+++ gcc/testsuite/gcc.dg/tls/pr78796.c	(revision 243646)

@@ -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;

+}