1 /*
 2  * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2020, 2022, Huawei Technologies Co., Ltd. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  *
24  */
25 
26 #include "precompiled.hpp"
27 #include "register_riscv.hpp"
28 
29 REGISTER_IMPL_DEFINITION(Register, RegisterImpl, RegisterImpl::number_of_registers);
30 REGISTER_IMPL_DEFINITION(FloatRegister, FloatRegisterImpl, FloatRegisterImpl::number_of_registers);
31 REGISTER_IMPL_DEFINITION(VectorRegister, VectorRegisterImpl, VectorRegisterImpl::number_of_registers);
32 
33 const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers *
34                                           RegisterImpl::max_slots_per_register;
35 
36 const int ConcreteRegisterImpl::max_fpr =
37     ConcreteRegisterImpl::max_gpr +
38     FloatRegisterImpl::number_of_registers * FloatRegisterImpl::max_slots_per_register;
39 
40 const int ConcreteRegisterImpl::max_vpr =
41     ConcreteRegisterImpl::max_fpr +
42     VectorRegisterImpl::number_of_registers * VectorRegisterImpl::max_slots_per_register;
43 
44 
45 const char* RegisterImpl::name() const {
46   static const char *const names[number_of_registers] = {
47     "zr", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "fp", "x9",
48     "c_rarg0", "c_rarg1", "c_rarg2", "c_rarg3", "c_rarg4", "c_rarg5", "c_rarg6", "c_rarg7",
49     "x18", "x19", "esp", "xdispatch", "xbcp", "xthread", "xlocals",
50     "xmonitors", "xcpool", "xheapbase", "x28", "x29", "x30", "xmethod"
51   };
52   return is_valid() ? names[encoding()] : "noreg";
53 }
54 
55 const char* FloatRegisterImpl::name() const {
56   static const char *const names[number_of_registers] = {
57     "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
58     "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
59     "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
60     "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"
61   };
62   return is_valid() ? names[encoding()] : "noreg";
63 }
64 
65 const char* VectorRegisterImpl::name() const {
66   static const char *const names[number_of_registers] = {
67     "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
68     "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
69     "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
70     "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
71   };
72   return is_valid() ? names[encoding()] : "noreg";
73 }