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src/hotspot/cpu/x86/c1_Runtime1_x86.cpp

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*** 1,7 **** /* ! * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. --- 1,7 ---- /* ! * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.
*** 1102,1135 **** } break; case new_type_array_id: case new_object_array_id: { Register length = rbx; // Incoming Register klass = rdx; // Incoming Register obj = rax; // Result if (id == new_type_array_id) { __ set_info("new_type_array", dont_gc_arguments); ! } else { __ set_info("new_object_array", dont_gc_arguments); } #ifdef ASSERT // assert object type is really an array of the proper kind { Label ok; Register t0 = obj; __ movl(t0, Address(klass, Klass::layout_helper_offset())); __ sarl(t0, Klass::_lh_array_tag_shift); ! int tag = ((id == new_type_array_id) ! ? Klass::_lh_array_tag_type_value ! : Klass::_lh_array_tag_obj_value); ! __ cmpl(t0, tag); ! __ jcc(Assembler::equal, ok); ! __ stop("assert(is an array klass)"); __ should_not_reach_here(); __ bind(ok); } #endif // ASSERT --- 1102,1155 ---- } break; case new_type_array_id: case new_object_array_id: + case new_value_array_id: { Register length = rbx; // Incoming Register klass = rdx; // Incoming Register obj = rax; // Result if (id == new_type_array_id) { __ set_info("new_type_array", dont_gc_arguments); ! } else if (id == new_object_array_id) { __ set_info("new_object_array", dont_gc_arguments); + } else { + __ set_info("new_value_array", dont_gc_arguments); } #ifdef ASSERT // assert object type is really an array of the proper kind { Label ok; Register t0 = obj; __ movl(t0, Address(klass, Klass::layout_helper_offset())); __ sarl(t0, Klass::_lh_array_tag_shift); ! switch (id) { ! case new_type_array_id: ! __ cmpl(t0, Klass::_lh_array_tag_type_value); ! __ jcc(Assembler::equal, ok); ! __ stop("assert(is a type array klass)"); ! break; ! case new_object_array_id: ! __ cmpl(t0, Klass::_lh_array_tag_obj_value); // new "[Ljava/lang/Object;" ! __ jcc(Assembler::equal, ok); ! __ cmpl(t0, Klass::_lh_array_tag_vt_value); // new "[LVT;" ! __ jcc(Assembler::equal, ok); ! __ stop("assert(is an object or value array klass)"); ! break; ! case new_value_array_id: ! // new "[QVT;" ! __ cmpl(t0, Klass::_lh_array_tag_vt_value); // the array can be flattened. ! __ jcc(Assembler::equal, ok); ! __ cmpl(t0, Klass::_lh_array_tag_obj_value); // the array cannot be flattened (due to ValueArrayElemMaxFlatSize, etc) ! __ jcc(Assembler::equal, ok); ! __ stop("assert(is an object or value array klass)"); ! break; ! default: ShouldNotReachHere(); ! } __ should_not_reach_here(); __ bind(ok); } #endif // ASSERT
*** 1177,1188 **** __ enter(); OopMap* map = save_live_registers(sasm, 3); int call_offset; if (id == new_type_array_id) { call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_type_array), klass, length); ! } else { call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_object_array), klass, length); } oop_maps = new OopMapSet(); oop_maps->add_gc_map(call_offset, map); restore_live_registers_except_rax(sasm); --- 1197,1211 ---- __ enter(); OopMap* map = save_live_registers(sasm, 3); int call_offset; if (id == new_type_array_id) { call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_type_array), klass, length); ! } else if (id == new_object_array_id) { call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_object_array), klass, length); + } else { + assert(id == new_value_array_id, "must be"); + call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_value_array), klass, length); } oop_maps = new OopMapSet(); oop_maps->add_gc_map(call_offset, map); restore_live_registers_except_rax(sasm);
*** 1210,1219 **** --- 1233,1319 ---- // rax,: new multi array __ verify_oop(rax); } break; + case load_flattened_array_id: + { + StubFrame f(sasm, "load_flattened_array", dont_gc_arguments); + OopMap* map = save_live_registers(sasm, 3); + + // Called with store_parameter and not C abi + + f.load_argument(1, rax); // rax,: array + f.load_argument(0, rbx); // rbx,: index + int call_offset = __ call_RT(rax, noreg, CAST_FROM_FN_PTR(address, load_flattened_array), rax, rbx); + + oop_maps = new OopMapSet(); + oop_maps->add_gc_map(call_offset, map); + restore_live_registers_except_rax(sasm); + + // rax,: loaded element at array[index] + __ verify_oop(rax); + } + break; + + case store_flattened_array_id: + { + StubFrame f(sasm, "store_flattened_array", dont_gc_arguments); + OopMap* map = save_live_registers(sasm, 4); + + // Called with store_parameter and not C abi + + f.load_argument(2, rax); // rax,: array + f.load_argument(1, rbx); // rbx,: index + f.load_argument(0, rcx); // rcx,: value + int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, store_flattened_array), rax, rbx, rcx); + + oop_maps = new OopMapSet(); + oop_maps->add_gc_map(call_offset, map); + restore_live_registers_except_rax(sasm); + } + break; + + case substitutability_check_id: + { + StubFrame f(sasm, "substitutability_check", dont_gc_arguments); + OopMap* map = save_live_registers(sasm, 3); + + // Called with store_parameter and not C abi + + f.load_argument(1, rax); // rax,: left + f.load_argument(0, rbx); // rbx,: right + int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, substitutability_check), rax, rbx); + + oop_maps = new OopMapSet(); + oop_maps->add_gc_map(call_offset, map); + restore_live_registers_except_rax(sasm); + + // rax,: are the two operands substitutable + } + break; + + + case buffer_value_args_id: + case buffer_value_args_no_receiver_id: + { + const char* name = (id == buffer_value_args_id) ? + "buffer_value_args" : "buffer_value_args_no_receiver"; + StubFrame f(sasm, name, dont_gc_arguments); + OopMap* map = save_live_registers(sasm, 2); + Register method = rbx; + address entry = (id == buffer_value_args_id) ? + CAST_FROM_FN_PTR(address, buffer_value_args) : + CAST_FROM_FN_PTR(address, buffer_value_args_no_receiver); + int call_offset = __ call_RT(rax, noreg, entry, method); + oop_maps = new OopMapSet(); + oop_maps->add_gc_map(call_offset, map); + restore_live_registers_except_rax(sasm); + __ verify_oop(rax); // rax: an array of buffered value objects + } + break; + case register_finalizer_id: { __ set_info("register_finalizer", dont_gc_arguments); // This is called via call_runtime so the arguments
*** 1311,1325 **** oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_class_cast_exception), true); } break; case throw_incompatible_class_change_error_id: ! { StubFrame f(sasm, "throw_incompatible_class_cast_exception", dont_gc_arguments); oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false); } break; case slow_subtype_check_id: { // Typical calling sequence: // __ push(klass_RInfo); // object klass or other subclass // __ push(sup_k_RInfo); // array element klass or other superclass --- 1411,1431 ---- oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_class_cast_exception), true); } break; case throw_incompatible_class_change_error_id: ! { StubFrame f(sasm, "throw_incompatible_class_change_error", dont_gc_arguments); oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false); } break; + case throw_illegal_monitor_state_exception_id: + { StubFrame f(sasm, "throw_illegal_monitor_state_exception", dont_gc_arguments); + oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_illegal_monitor_state_exception), false); + } + break; + case slow_subtype_check_id: { // Typical calling sequence: // __ push(klass_RInfo); // object klass or other subclass // __ push(sup_k_RInfo); // array element klass or other superclass
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