2766 bind(no_reserved_zone_enabling);
2767 BLOCK_COMMENT("} reserved_stack_check");
2768 }
2769
2770 // Defines obj, preserves var_size_in_bytes, okay for t2 == var_size_in_bytes.
2771 void MacroAssembler::tlab_allocate(Register obj,
2772 Register var_size_in_bytes,
2773 int con_size_in_bytes,
2774 Register t1,
2775 Label& slow_case) {
2776 assert_different_registers(obj, var_size_in_bytes, t1);
2777 Register end = t1;
2778 Register thread = Z_thread;
2779
2780 z_lg(obj, Address(thread, JavaThread::tlab_top_offset()));
2781 if (var_size_in_bytes == noreg) {
2782 z_lay(end, Address(obj, con_size_in_bytes));
2783 } else {
2784 z_lay(end, Address(obj, var_size_in_bytes));
2785 }
2786 z_cg(end, Address(thread, JavaThread::tlab_end_offset()));
2787 branch_optimized(bcondHigh, slow_case);
2788
2789 // Update the tlab top pointer.
2790 z_stg(end, Address(thread, JavaThread::tlab_top_offset()));
2791
2792 // Recover var_size_in_bytes if necessary.
2793 if (var_size_in_bytes == end) {
2794 z_sgr(var_size_in_bytes, obj);
2795 }
2796 }
2797
2798 // Emitter for interface method lookup.
2799 // input: recv_klass, intf_klass, itable_index
2800 // output: method_result
2801 // kills: itable_index, temp1_reg, Z_R0, Z_R1
2802 // TODO: Temp2_reg is unused. we may use this emitter also in the itable stubs.
2803 // If the register is still not needed then, remove it.
2804 void MacroAssembler::lookup_interface_method(Register recv_klass,
2805 Register intf_klass,
2806 RegisterOrConstant itable_index,
|
2766 bind(no_reserved_zone_enabling);
2767 BLOCK_COMMENT("} reserved_stack_check");
2768 }
2769
2770 // Defines obj, preserves var_size_in_bytes, okay for t2 == var_size_in_bytes.
2771 void MacroAssembler::tlab_allocate(Register obj,
2772 Register var_size_in_bytes,
2773 int con_size_in_bytes,
2774 Register t1,
2775 Label& slow_case) {
2776 assert_different_registers(obj, var_size_in_bytes, t1);
2777 Register end = t1;
2778 Register thread = Z_thread;
2779
2780 z_lg(obj, Address(thread, JavaThread::tlab_top_offset()));
2781 if (var_size_in_bytes == noreg) {
2782 z_lay(end, Address(obj, con_size_in_bytes));
2783 } else {
2784 z_lay(end, Address(obj, var_size_in_bytes));
2785 }
2786 z_cg(end, Address(thread, JavaThread::tlab_current_end_offset()));
2787 branch_optimized(bcondHigh, slow_case);
2788
2789 // Update the tlab top pointer.
2790 z_stg(end, Address(thread, JavaThread::tlab_top_offset()));
2791
2792 // Recover var_size_in_bytes if necessary.
2793 if (var_size_in_bytes == end) {
2794 z_sgr(var_size_in_bytes, obj);
2795 }
2796 }
2797
2798 // Emitter for interface method lookup.
2799 // input: recv_klass, intf_klass, itable_index
2800 // output: method_result
2801 // kills: itable_index, temp1_reg, Z_R0, Z_R1
2802 // TODO: Temp2_reg is unused. we may use this emitter also in the itable stubs.
2803 // If the register is still not needed then, remove it.
2804 void MacroAssembler::lookup_interface_method(Register recv_klass,
2805 Register intf_klass,
2806 RegisterOrConstant itable_index,
|