aarch64.c (aarch64_load_symref_appropriately): Access the lower part of RTX appropriately.

2016-12-08  Andrew Pinski  <apinski@cavium.com>

gcc
	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
	Access the lower part of RTX appropriately.

gcc/testsuite
	* gcc.target/aarch64/pr71112.c : New Testcase.

From-SVN: r243427

gcc/ChangeLog

+2016-12-08  Andrew Pinski  <apinski@cavium.com>
+
+	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
+	Access the lower part of RTX appropriately.
+
 2016-12-07  David Malcolm  <dmalcolm@redhat.com>
 
 	* genpreds.c (write_tm_constrs_h): Update for renaming of

gcc/config/aarch64/aarch64.c

@@ -1302,7 +1302,8 @@ aarch64_load_symref_appropriately (rtx dest, rtx imm,
 	    emit_move_insn (gp_rtx, gen_rtx_HIGH (Pmode, s));
 
 	    if (mode != GET_MODE (gp_rtx))
-	      gp_rtx = simplify_gen_subreg (mode, gp_rtx, GET_MODE (gp_rtx), 0);
+             gp_rtx = gen_lowpart (mode, gp_rtx);
+
 	  }
 
 	if (mode == ptr_mode)

gcc/testsuite/ChangeLog

+2016-12-08  Andrew Pinski  <apinski@cavium.com>
+
+	* gcc.target/aarch64/pr71112.c : New Testcase.
+
 2016-12-07  Martin Sebor  <msebor@redhat.com>
 
 	PR middle-end/77784

gcc/testsuite/gcc.c-torture/compile/pr71112.c

+/* PR target/71112.  */
+/* { dg-additional-options "-fpie" { target pie } } */
+
+extern int dbs[100];
+void f (int *);
+int nscd_init (void)
+{
+  f (dbs);
+  return 0;
+}