From 8dd3af97bb6ccb3dfd6cbe20c5a28ce80fcd0de7 Mon Sep 17 00:00:00 2001
From: jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 11 Sep 2017 21:53:38 +0000
Subject: [PATCH] xtensa: fix PR target/82181

2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
gcc/
	Backport from mainline
	* config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
	words of DImode object are reachable by xtensa_uimm8x4 access.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
 gcc/config/xtensa/xtensa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 3c0096113775..3eb4db85b971 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -612,6 +612,7 @@ xtensa_mem_offset (unsigned v, enum machine_mode mode)
     case HImode:
       return xtensa_uimm8x2 (v);
 
+    case DImode:
     case DFmode:
       return (xtensa_uimm8x4 (v) && xtensa_uimm8x4 (v + 4));
 
-- 
2.1.4