From c2fa9c2403c6c152c9f7fd2c9559b79168abda20 Mon Sep 17 00:00:00 2001
From: nickc <nickc@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 31 Jan 2011 10:26:51 +0000
Subject: [PATCH] 	* config/mn10300/mn10300.c (mn10300_regno_in_class_p):
 Check for 	reg_renumber returning an INVALID_REGNUM.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169432 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog                | 5 +++++
 gcc/config/mn10300/mn10300.c | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5d25767cf9e9..d887424cd44d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-01-31  Nick Clifton  <nickc@redhat.com>
+
+	* config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
+	reg_renumber returning an INVALID_REGNUM.
+
 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR libgcj/44341
diff --git a/gcc/config/mn10300/mn10300.c b/gcc/config/mn10300/mn10300.c
index cbdf02dab226..6b68166059c5 100644
--- a/gcc/config/mn10300/mn10300.c
+++ b/gcc/config/mn10300/mn10300.c
@@ -1996,6 +1996,8 @@ mn10300_regno_in_class_p (unsigned regno, int rclass, bool strict)
       if (!reg_renumber)
 	return false;
       regno = reg_renumber[regno];
+      if (regno == INVALID_REGNUM)
+	return false;
     }
   return TEST_HARD_REG_BIT (reg_class_contents[rclass], regno);
 }
-- 
2.47.2