From 2dd3dee0d7534b27c7ca47f9cf5c73325c3e3281 Mon Sep 17 00:00:00 2001
From: davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 15 Dec 1999 14:33:50 +0000
Subject: 1999-12-15  David S. Miller  <davem@redhat.com>

	* rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30956 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/rtlanal.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gcc/rtlanal.c')

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 838ca9daa0c..63bff3d0a5f 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -964,6 +964,13 @@ reg_overlap_mentioned_p (x, in)
 	  return 1;
       return 0;
     }
+  else if (GET_CODE (x) == CONCAT)
+    {
+      if (reg_overlap_mentioned_p (XEXP (x, 0), in)
+	  || reg_overlap_mentioned_p (XEXP (x, 1), in))
+	return 1;
+      return 0;
+    }
   else
     abort ();
 
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