From: Sandra Loosemore <sandra@codesourcery.com>
Date: Mon, 12 Dec 2016 01:06:30 +0000 (-0500)
Subject: nios2.c (nios2_emit_move_sequence): Call copy_rtx to avoid shared structure error.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1cf4526c73887daecfdf725b6bbdd3d25b5517c2;p=gcc.git

nios2.c (nios2_emit_move_sequence): Call copy_rtx to avoid shared structure error.

2016-12-11  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* config/nios2/nios2.c (nios2_emit_move_sequence): Call copy_rtx
	to avoid shared structure error.

From-SVN: r243538
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b6a058bf449..d0d4001c0c4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-11  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* config/nios2/nios2.c (nios2_emit_move_sequence): Call copy_rtx
+	to avoid shared structure error.
+
 2016-12-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	PR target/78695
diff --git a/gcc/config/nios2/nios2.c b/gcc/config/nios2/nios2.c
index cb4544c544b..a6d7d4351d7 100644
--- a/gcc/config/nios2/nios2.c
+++ b/gcc/config/nios2/nios2.c
@@ -2334,7 +2334,8 @@ nios2_emit_move_sequence (rtx *operands, machine_mode mode)
 	    from = nios2_legitimize_constant_address (from);
 	  if (CONSTANT_P (from))
 	    {
-	      emit_insn (gen_rtx_SET (to, gen_rtx_HIGH (Pmode, from)));
+	      emit_insn (gen_rtx_SET (to,
+				      gen_rtx_HIGH (Pmode, copy_rtx (from))));
 	      emit_insn (gen_rtx_SET (to, gen_rtx_LO_SUM (Pmode, to, from)));
 	      set_unique_reg_note (get_last_insn (), REG_EQUAL,
 				   copy_rtx (operands[1]));