1 /*
2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24
25 package org.graalvm.compiler.hotspot.sparc;
26
27 import static jdk.vm.ci.sparc.SPARC.d32;
28 import static jdk.vm.ci.sparc.SPARC.d34;
29 import static jdk.vm.ci.sparc.SPARC.d36;
30 import static jdk.vm.ci.sparc.SPARC.d38;
31 import static jdk.vm.ci.sparc.SPARC.d40;
32 import static jdk.vm.ci.sparc.SPARC.d42;
33 import static jdk.vm.ci.sparc.SPARC.d44;
34 import static jdk.vm.ci.sparc.SPARC.d46;
35 import static jdk.vm.ci.sparc.SPARC.d48;
36 import static jdk.vm.ci.sparc.SPARC.d50;
37 import static jdk.vm.ci.sparc.SPARC.d52;
38 import static jdk.vm.ci.sparc.SPARC.d54;
39 import static jdk.vm.ci.sparc.SPARC.d56;
40 import static jdk.vm.ci.sparc.SPARC.d58;
41 import static jdk.vm.ci.sparc.SPARC.d60;
42 import static jdk.vm.ci.sparc.SPARC.d62;
43 import static jdk.vm.ci.sparc.SPARC.f10;
44 import static jdk.vm.ci.sparc.SPARC.f11;
45 import static jdk.vm.ci.sparc.SPARC.f12;
46 import static jdk.vm.ci.sparc.SPARC.f13;
47 import static jdk.vm.ci.sparc.SPARC.f14;
48 import static jdk.vm.ci.sparc.SPARC.f15;
49 import static jdk.vm.ci.sparc.SPARC.f16;
50 import static jdk.vm.ci.sparc.SPARC.f17;
51 import static jdk.vm.ci.sparc.SPARC.f18;
52 import static jdk.vm.ci.sparc.SPARC.f19;
53 import static jdk.vm.ci.sparc.SPARC.f20;
54 import static jdk.vm.ci.sparc.SPARC.f21;
55 import static jdk.vm.ci.sparc.SPARC.f22;
56 import static jdk.vm.ci.sparc.SPARC.f23;
57 import static jdk.vm.ci.sparc.SPARC.f24;
58 import static jdk.vm.ci.sparc.SPARC.f25;
59 import static jdk.vm.ci.sparc.SPARC.f26;
60 import static jdk.vm.ci.sparc.SPARC.f27;
61 import static jdk.vm.ci.sparc.SPARC.f28;
62 import static jdk.vm.ci.sparc.SPARC.f29;
63 import static jdk.vm.ci.sparc.SPARC.f30;
64 import static jdk.vm.ci.sparc.SPARC.f31;
65 import static jdk.vm.ci.sparc.SPARC.f8;
66 import static jdk.vm.ci.sparc.SPARC.f9;
67 import static jdk.vm.ci.sparc.SPARC.g1;
68 import static jdk.vm.ci.sparc.SPARC.g4;
69 import static jdk.vm.ci.sparc.SPARC.g5;
70 import static jdk.vm.ci.sparc.SPARC.i0;
71 import static jdk.vm.ci.sparc.SPARC.i1;
72 import static jdk.vm.ci.sparc.SPARC.i2;
73 import static jdk.vm.ci.sparc.SPARC.i3;
74 import static jdk.vm.ci.sparc.SPARC.i4;
75 import static jdk.vm.ci.sparc.SPARC.i5;
76 import static jdk.vm.ci.sparc.SPARC.l0;
77 import static jdk.vm.ci.sparc.SPARC.l1;
78 import static jdk.vm.ci.sparc.SPARC.l2;
79 import static jdk.vm.ci.sparc.SPARC.l3;
80 import static jdk.vm.ci.sparc.SPARC.l4;
81 import static jdk.vm.ci.sparc.SPARC.l5;
82 import static jdk.vm.ci.sparc.SPARC.l6;
83 import static jdk.vm.ci.sparc.SPARC.l7;
84 import static jdk.vm.ci.sparc.SPARC.o0;
85 import static jdk.vm.ci.sparc.SPARC.o1;
86 import static jdk.vm.ci.sparc.SPARC.o2;
87 import static jdk.vm.ci.sparc.SPARC.o3;
88 import static jdk.vm.ci.sparc.SPARC.o4;
89 import static jdk.vm.ci.sparc.SPARC.o5;
90
91 import java.util.ArrayList;
92 import java.util.BitSet;
93
94 import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
95
96 import jdk.vm.ci.code.Register;
97 import jdk.vm.ci.code.RegisterArray;
98 import jdk.vm.ci.code.RegisterConfig;
99
100 public class SPARCHotSpotRegisterAllocationConfig extends RegisterAllocationConfig {
101
102 // @formatter:off
103 static final Register[] registerAllocationOrder = {
104 l0, l1, l2, l3, l4, l5, l6, l7,
105 i0, i1, i2, i3, i4, i5, /*i6,*/ /*i7,*/
106 o0, o1, o2, o3, o4, o5, /*o6, o7,*/
107 g1, g4, g5,
108 // f0, f1, f2, f3, f4, f5, f6, f7
109 f8, f9, f10, f11, f12, f13, f14, f15,
110 f16, f17, f18, f19, f20, f21, f22, f23,
111 f24, f25, f26, f27, f28, f29, f30, f31,
112 d32, d34, d36, d38, d40, d42, d44, d46,
113 d48, d50, d52, d54, d56, d58, d60, d62
114 };
115 // @formatter:on
116
117 public SPARCHotSpotRegisterAllocationConfig(RegisterConfig registerConfig, String[] allocationRestrictedTo) {
118 super(registerConfig, allocationRestrictedTo);
119 }
120
121 @Override
122 protected RegisterArray initAllocatable(RegisterArray registers) {
123 BitSet regMap = new BitSet(registerConfig.getAllocatableRegisters().size());
124 for (Register reg : registers) {
125 regMap.set(reg.number);
126 }
127
128 ArrayList<Register> allocatableRegisters = new ArrayList<>(registers.size());
129 for (Register reg : registerAllocationOrder) {
130 if (regMap.get(reg.number)) {
131 allocatableRegisters.add(reg);
132 }
133 }
134
135 return super.initAllocatable(new RegisterArray(allocatableRegisters));
136 }
137 }