--- a/hotspot/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp Tue Jun 12 09:47:23 2012 -0700
+++ b/hotspot/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp Tue Jun 12 14:31:44 2012 -0700
@@ -644,30 +644,6 @@
}
-void LIRGenerator::do_AttemptUpdate(Intrinsic* x) {
- assert(x->number_of_arguments() == 3, "wrong type");
- LIRItem obj (x->argument_at(0), this); // AtomicLong object
- LIRItem cmp_value (x->argument_at(1), this); // value to compare with field
- LIRItem new_value (x->argument_at(2), this); // replace field with new_value if it matches cmp_value
-
- obj.load_item();
- cmp_value.load_item();
- new_value.load_item();
-
- // generate compare-and-swap and produce zero condition if swap occurs
- int value_offset = sun_misc_AtomicLongCSImpl::value_offset();
- LIR_Opr addr = FrameMap::O7_opr;
- __ add(obj.result(), LIR_OprFact::intConst(value_offset), addr);
- LIR_Opr t1 = FrameMap::G1_opr; // temp for 64-bit value
- LIR_Opr t2 = FrameMap::G3_opr; // temp for 64-bit value
- __ cas_long(addr, cmp_value.result(), new_value.result(), t1, t2);
-
- // generate conditional move of boolean result
- LIR_Opr result = rlock_result(x);
- __ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0), result, T_LONG);
-}
-
-
void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) {
assert(x->number_of_arguments() == 4, "wrong type");
LIRItem obj (x->argument_at(0), this); // object