From: Andrew Pinski <apinski@cavium.com>
Date: Thu, 8 Dec 2016 04:59:00 +0000 (+0000)
Subject: aarch64.c (aarch64_load_symref_appropriately): Access the lower part of RTX appropria... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4ba8f0a3a4f8493a03b6229433728c49925e179f;p=gcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 929bf4d7ac7..a44ba8bcf8a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 128f32bda23..98f76c15b4e 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/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)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 27225c24837..d4fb081254d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+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
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr71112.c b/gcc/testsuite/gcc.c-torture/compile/pr71112.c
new file mode 100644
index 00000000000..69e2df6f0e2
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/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;
+}