--- 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