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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@250014 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 20 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0a9e190857f..cfdcab8e40e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-06  Andrew Pinski  <apinski@cavium.com>
+
+	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
+	Access the lower part of RTX appropriately.
+
 2017-07-04  Richard Biener  <rguenther@suse.de>
 
 	* BASE-VER: Bump to 6.4.1.
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index e79165b0fb2..b2f0958abab 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -1110,7 +1110,7 @@ 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)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 58c8016ed16..f900aeda382 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2017-07-06  Andrew Pinski  <apinski@cavium.com>
+
+	* gcc.target/aarch64/pr71112.c : New Testcase.
+
 2017-07-04  Release Manager
 
 	* GCC 6.4.0 released.
diff --git a/gcc/testsuite/gcc.target/aarch64/pr71112.c b/gcc/testsuite/gcc.target/aarch64/pr71112.c
new file mode 100644
index 00000000000..69e2df6f0e2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/pr71112.c
@@ -0,0 +1,10 @@
+/* PR target/71112.  */
+/* { dg-additional-options "-fpie" { target pie } } */
+
+extern int dbs[100];
+void f (int *);
+int nscd_init (void)
+{
+  f (dbs);
+  return 0;
+}