hotspot/src/cpu/sparc/vm/assembler_sparc.cpp
changeset 371 1aacedc9db7c
parent 360 21d113ecbf6a
child 604 3967d752d79b
child 590 2954744d7bba
child 1374 4c24294029a9
--- a/hotspot/src/cpu/sparc/vm/assembler_sparc.cpp	Thu Apr 17 07:16:03 2008 -0700
+++ b/hotspot/src/cpu/sparc/vm/assembler_sparc.cpp	Wed Apr 23 11:20:36 2008 -0700
@@ -3647,6 +3647,12 @@
   srlx(r, LogMinObjAlignmentInBytes, r);
 }
 
+void MacroAssembler::encode_heap_oop_not_null(Register src, Register dst) {
+  assert (UseCompressedOops, "must be compressed");
+  sub(src, G6_heapbase, dst);
+  srlx(dst, LogMinObjAlignmentInBytes, dst);
+}
+
 // Same algorithm as oops.inline.hpp decode_heap_oop.
 void  MacroAssembler::decode_heap_oop(Register src, Register dst) {
   assert (UseCompressedOops, "must be compressed");
@@ -3665,6 +3671,14 @@
   add(r, G6_heapbase, r);
 }
 
+void  MacroAssembler::decode_heap_oop_not_null(Register src, Register dst) {
+  // Do not add assert code to this unless you change vtableStubs_sparc.cpp
+  // pd_code_size_limit.
+  assert (UseCompressedOops, "must be compressed");
+  sllx(src, LogMinObjAlignmentInBytes, dst);
+  add(dst, G6_heapbase, dst);
+}
+
 void MacroAssembler::reinit_heapbase() {
   if (UseCompressedOops) {
     // call indirectly to solve generation ordering problem