--- old/src/hotspot/cpu/sparc/gc/shared/barrierSetAssembler_sparc.cpp 2020-05-20 18:08:49.552241572 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,108 +0,0 @@ -/* - * Copyright (c) 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. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -#include "precompiled.hpp" -#include "asm/macroAssembler.inline.hpp" -#include "gc/shared/barrierSetAssembler.hpp" -#include "interpreter/interp_masm.hpp" -#include "runtime/jniHandles.hpp" - -#define __ masm-> - -void BarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, - Register val, Address dst, Register tmp) { - bool in_heap = (decorators & IN_HEAP) != 0; - bool in_native = (decorators & IN_NATIVE) != 0; - bool is_not_null = (decorators & IS_NOT_NULL) != 0; - - switch (type) { - case T_ARRAY: - case T_OBJECT: { - if (in_heap) { - if (dst.has_disp() && !Assembler::is_simm13(dst.disp())) { - assert(!dst.has_index(), "not supported yet"); - __ set(dst.disp(), tmp); - dst = Address(dst.base(), tmp); - } - if (UseCompressedOops) { - assert(dst.base() != val, "not enough registers"); - if (is_not_null) { - __ encode_heap_oop_not_null(val); - } else { - __ encode_heap_oop(val); - } - __ st(val, dst); - } else { - __ st_ptr(val, dst); - } - } else { - assert(in_native, "why else?"); - __ st_ptr(val, dst); - } - break; - } - default: Unimplemented(); - } -} - -void BarrierSetAssembler::load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, - Address src, Register dst, Register tmp) { - bool in_heap = (decorators & IN_HEAP) != 0; - bool in_native = (decorators & IN_NATIVE) != 0; - bool is_not_null = (decorators & IS_NOT_NULL) != 0; - - switch (type) { - case T_ARRAY: - case T_OBJECT: { - if (in_heap) { - if (src.has_disp() && !Assembler::is_simm13(src.disp())) { - assert(!src.has_index(), "not supported yet"); - __ set(src.disp(), tmp); - src = Address(src.base(), tmp); - } - if (UseCompressedOops) { - __ lduw(src, dst); - if (is_not_null) { - __ decode_heap_oop_not_null(dst); - } else { - __ decode_heap_oop(dst); - } - } else { - __ ld_ptr(src, dst); - } - } else { - assert(in_native, "why else?"); - __ ld_ptr(src, dst); - } - break; - } - default: Unimplemented(); - } -} - -void BarrierSetAssembler::try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env, - Register obj, Register tmp, Label& slowpath) { - __ andn(obj, JNIHandles::weak_tag_mask, obj); - __ ld_ptr(obj, 0, obj); -}