1 /*
 2  * Copyright (c) 2006, 2020, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2014, Red Hat Inc. 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 "asm/assembler.hpp"
28 #include "code/vmreg.hpp"
29 #include "vmreg_aarch64.inline.hpp"
30 
31 
32 void VMRegImpl::set_regName() {
33   Register reg = ::as_Register(0);
34   int i;
35   for (i = 0; i < ConcreteRegisterImpl::max_gpr ; ) {
36     for (int j = 0 ; j < RegisterImpl::max_slots_per_register ; j++) {
37       regName[i++] = reg->name();
38     }
39     reg = reg->successor();
40   }
41 
42   FloatRegister freg = ::as_FloatRegister(0);
43   for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
44     for (int j = 0 ; j < FloatRegisterImpl::max_slots_per_register ; j++) {
45       regName[i++] = freg->name();
46     }
47     freg = freg->successor();
48   }
49 
50   for ( ; i < ConcreteRegisterImpl::number_of_registers ; i ++ ) {
51     regName[i] = "NON-GPR-FPR";
52   }
53 }
54 
55 #define INTEGER_TYPE 0
56 #define VECTOR_TYPE 1
57 #define STACK_TYPE 3
58 
59 VMReg VMRegImpl::vmStorageToVMReg(int type, int index) {
60   switch(type) {
61     case INTEGER_TYPE: return ::as_Register(index)->as_VMReg();
62     case VECTOR_TYPE: return ::as_FloatRegister(index)->as_VMReg();
63     case STACK_TYPE: return VMRegImpl::stack2reg(index LP64_ONLY(* 2));
64   }
65   return VMRegImpl::Bad();
66 }