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diff src/share/vm/opto/subnode.cpp @ 293:c3e045194476

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6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") Summary: fixed few addP node type and narrow oop type problems. Reviewed-by: rasbold, never
author kvn
date Fri, 01 Aug 2008 10:06:45 -0700
parents 9c2ecc2ffb12
children ce93a51457ae
line wrap: on
line diff
--- a/src/share/vm/opto/subnode.cpp	Thu Jul 31 15:47:42 2008 -0700
+++ b/src/share/vm/opto/subnode.cpp	Fri Aug 01 10:06:45 2008 -0700
@@ -681,7 +681,11 @@
 
   // Now check for LoadKlass on left.
   Node* ldk1 = in(1);
-  if (ldk1->Opcode() != Op_LoadKlass)
+  if (ldk1->is_DecodeN()) {
+    ldk1 = ldk1->in(1);
+    if (ldk1->Opcode() != Op_LoadNKlass )
+      return NULL;
+  } else if (ldk1->Opcode() != Op_LoadKlass )
     return NULL;
   // Take apart the address of the LoadKlass:
   Node* adr1 = ldk1->in(MemNode::Address);
@@ -702,7 +706,11 @@
 
   // Check for a LoadKlass from primary supertype array.
   // Any nested loadklass from loadklass+con must be from the p.s. array.
-  if (ldk2->Opcode() != Op_LoadKlass)
+  if (ldk2->is_DecodeN()) {
+    // Keep ldk2 as DecodeN since it could be used in CmpP below.
+    if (ldk2->in(1)->Opcode() != Op_LoadNKlass )
+      return NULL;
+  } else if (ldk2->Opcode() != Op_LoadKlass)
     return NULL;
 
   // Verify that we understand the situation