From 34613dce64d1882864cb23b544af2a0a9024eefb Mon Sep 17 00:00:00 2001
From: kvn <unknown>
Date: Thu, 18 Dec 2008 11:26:22 -0800
Subject: [PATCH] 6787050: assert(n->in(0) == 0L,"no control") with
 UseCompressedOops on sparcv9 Summary: Relax the assert for Sparc.
 Reviewed-by: never

---
 src/share/vm/opto/compile.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/share/vm/opto/compile.cpp b/src/share/vm/opto/compile.cpp
index 1832c63b3..de05e5fb8 100644
--- a/src/share/vm/opto/compile.cpp
+++ b/src/share/vm/opto/compile.cpp
@@ -2192,7 +2192,9 @@ static void final_graph_reshaping_impl( Node *n, Final_Reshape_Counts &fpu ) {
 
   case Op_DecodeN:
     assert(!n->in(1)->is_EncodeP(), "should be optimized out");
-    assert(n->in(0) == NULL, "no control");
+    // DecodeN could be pinned on Sparc where it can't be fold into
+    // an address expression, see the code for Op_CastPP above.
+    assert(n->in(0) == NULL || !Matcher::clone_shift_expressions, "no control except on sparc");
     break;
 
   case Op_EncodeP: {
-- 
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