Mercurial > hg > graal-jvmci-8

diff src/share/vm/opto/escape.cpp @ 168:7793bd37a336

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6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops Summary: Generate addresses and implicit null checks with narrow oops to avoid decoding. Reviewed-by: jrose, never
author kvn
date Thu, 29 May 2008 12:04:14 -0700
parents c436414a719e
children d1605aabd0a1 1e026f8da827
line wrap: on
line diff
--- a/src/share/vm/opto/escape.cpp	Wed May 28 21:06:24 2008 -0700
+++ b/src/share/vm/opto/escape.cpp	Thu May 29 12:04:14 2008 -0700
@@ -428,7 +428,7 @@
   if (base->is_top()) { // The AddP case #3 and #6.
     base = addp->in(AddPNode::Address)->uncast();
     assert(base->Opcode() == Op_ConP || base->Opcode() == Op_ThreadLocal ||
-           base->Opcode() == Op_CastX2P || base->Opcode() == Op_DecodeN ||
+           base->Opcode() == Op_CastX2P || base->is_DecodeN() ||
            (base->is_Mem() && base->bottom_type() == TypeRawPtr::NOTNULL) ||
            (base->is_Proj() && base->in(0)->is_Allocate()), "sanity");
   }
@@ -943,8 +943,8 @@
       tinst = igvn->type(base)->isa_oopptr();
     } else if (n->is_Phi() ||
                n->is_CheckCastPP() ||
-               n->Opcode() == Op_EncodeP ||
-               n->Opcode() == Op_DecodeN ||
+               n->is_EncodeP() ||
+               n->is_DecodeN() ||
                (n->is_ConstraintCast() && n->Opcode() == Op_CastPP)) {
       if (visited.test_set(n->_idx)) {
         assert(n->is_Phi(), "loops only through Phi's");
@@ -1016,8 +1016,8 @@
         alloc_worklist.append_if_missing(use);
       } else if (use->is_Phi() ||
                  use->is_CheckCastPP() ||
-                 use->Opcode() == Op_EncodeP ||
-                 use->Opcode() == Op_DecodeN ||
+                 use->is_EncodeP() ||
+                 use->is_DecodeN() ||
                  (use->is_ConstraintCast() && use->Opcode() == Op_CastPP)) {
         alloc_worklist.append_if_missing(use);
       }