From: Nick Clifton <nickc@redhat.com>
Date: Mon, 31 Jan 2011 10:26:51 +0000 (+0000)
Subject: mn10300.c (mn10300_regno_in_class_p): Check for reg_renumber returning an INVALID_REGNUM.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ba4ec0e067f446969f7fdd7024c0e3ff48122994;p=gcc.git

mn10300.c (mn10300_regno_in_class_p): Check for reg_renumber returning an INVALID_REGNUM.

	* config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
	reg_renumber returning an INVALID_REGNUM.

From-SVN: r169432
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5d25767cf9e..d887424cd44 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 cbdf02dab22..6b68166059c 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);
 }