1 /*
 2  * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2021, Arm Limited. All rights reserved.
 4  * Copyright (c) 2021, Huawei Technologies Co., Ltd. All rights reserved.
 5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 6  *
 7  * This code is free software; you can redistribute it and/or modify it
 8  * under the terms of the GNU General Public License version 2 only, as
 9  * published by the Free Software Foundation.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #include "precompiled.hpp"
27 #include "runtime/registerMap.hpp"
28 #include "vmreg_riscv.inline.hpp"
29 
30 address RegisterMap::pd_location(VMReg base_reg, int slot_idx) const {
31   if (base_reg->is_VectorRegister()) {
32     assert(base_reg->is_concrete(), "must pass base reg");
33     int base_reg_enc = (base_reg->value() - ConcreteRegisterImpl::max_fpr) /
34                        VectorRegisterImpl::max_slots_per_register;
35     intptr_t offset_in_bytes = slot_idx * VMRegImpl::stack_slot_size;
36     address base_location = location(base_reg);
37     if (base_location != NULL) {
38       return base_location + offset_in_bytes;
39     } else {
40       return NULL;
41     }
42   } else {
43     return location(base_reg->next(slot_idx));
44   }
45 }