From dfa654c8cf28dc2f85ccb45b85de3ee26edcc580 Mon Sep 17 00:00:00 2001
From: Claudiu Zissulescu <claziss@synopsys.com>
Date: Wed, 27 Jan 2016 10:29:16 +0100
Subject: [PATCH] [ARC] Reject constant-constant comparison.

gcc/
2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/predicates.md (proper_comparison_operator): Reject
        constant-constant comparison.

From-SVN: r232868
---
 gcc/ChangeLog                | 5 +++++
 gcc/config/arc/predicates.md | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f38b374e58f..a66eee53098 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
+
+        * config/arc/predicates.md (proper_comparison_operator): Reject
+        constant-constant comparison.
+
 2016-01-26  Tom de Vries  <tom@codesourcery.com>
 
 	PR tree-optimization/69110
diff --git a/gcc/config/arc/predicates.md b/gcc/config/arc/predicates.md
index 52ac2ac5517..d384d70f7d6 100644
--- a/gcc/config/arc/predicates.md
+++ b/gcc/config/arc/predicates.md
@@ -510,6 +510,8 @@
     /* From combiner.  */
     case QImode: case HImode: case DImode: case SFmode: case DFmode:
       return 0;
+    case VOIDmode:
+      return 0;
     default:
       gcc_unreachable ();
   }