1 /*
2 * Copyright (c) 2015, 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 package org.graalvm.compiler.hotspot.sparc;
24
25 import static jdk.vm.ci.sparc.SPARC.d32;
26 import static jdk.vm.ci.sparc.SPARC.d34;
27 import static jdk.vm.ci.sparc.SPARC.d36;
28 import static jdk.vm.ci.sparc.SPARC.d38;
29 import static jdk.vm.ci.sparc.SPARC.d40;
30 import static jdk.vm.ci.sparc.SPARC.d42;
31 import static jdk.vm.ci.sparc.SPARC.d44;
32 import static jdk.vm.ci.sparc.SPARC.d46;
33 import static jdk.vm.ci.sparc.SPARC.d48;
34 import static jdk.vm.ci.sparc.SPARC.d50;
35 import static jdk.vm.ci.sparc.SPARC.d52;
36 import static jdk.vm.ci.sparc.SPARC.d54;
37 import static jdk.vm.ci.sparc.SPARC.d56;
38 import static jdk.vm.ci.sparc.SPARC.d58;
39 import static jdk.vm.ci.sparc.SPARC.d60;
40 import static jdk.vm.ci.sparc.SPARC.d62;
41 import static jdk.vm.ci.sparc.SPARC.f10;
42 import static jdk.vm.ci.sparc.SPARC.f11;
43 import static jdk.vm.ci.sparc.SPARC.f12;
44 import static jdk.vm.ci.sparc.SPARC.f13;
45 import static jdk.vm.ci.sparc.SPARC.f14;
46 import static jdk.vm.ci.sparc.SPARC.f15;
47 import static jdk.vm.ci.sparc.SPARC.f16;
48 import static jdk.vm.ci.sparc.SPARC.f17;
49 import static jdk.vm.ci.sparc.SPARC.f18;
50 import static jdk.vm.ci.sparc.SPARC.f19;
51 import static jdk.vm.ci.sparc.SPARC.f20;
52 import static jdk.vm.ci.sparc.SPARC.f21;
53 import static jdk.vm.ci.sparc.SPARC.f22;
54 import static jdk.vm.ci.sparc.SPARC.f23;
55 import static jdk.vm.ci.sparc.SPARC.f24;
56 import static jdk.vm.ci.sparc.SPARC.f25;
57 import static jdk.vm.ci.sparc.SPARC.f26;
58 import static jdk.vm.ci.sparc.SPARC.f27;
59 import static jdk.vm.ci.sparc.SPARC.f28;
60 import static jdk.vm.ci.sparc.SPARC.f29;
61 import static jdk.vm.ci.sparc.SPARC.f30;
62 import static jdk.vm.ci.sparc.SPARC.f31;
63 import static jdk.vm.ci.sparc.SPARC.f8;
64 import static jdk.vm.ci.sparc.SPARC.f9;
65 import static jdk.vm.ci.sparc.SPARC.g1;
66 import static jdk.vm.ci.sparc.SPARC.g4;
67 import static jdk.vm.ci.sparc.SPARC.g5;
68 import static jdk.vm.ci.sparc.SPARC.i0;
69 import static jdk.vm.ci.sparc.SPARC.i1;
70 import static jdk.vm.ci.sparc.SPARC.i2;
71 import static jdk.vm.ci.sparc.SPARC.i3;
72 import static jdk.vm.ci.sparc.SPARC.i4;
73 import static jdk.vm.ci.sparc.SPARC.i5;
74 import static jdk.vm.ci.sparc.SPARC.l0;
75 import static jdk.vm.ci.sparc.SPARC.l1;
76 import static jdk.vm.ci.sparc.SPARC.l2;
77 import static jdk.vm.ci.sparc.SPARC.l3;
78 import static jdk.vm.ci.sparc.SPARC.l4;
79 import static jdk.vm.ci.sparc.SPARC.l5;
80 import static jdk.vm.ci.sparc.SPARC.l6;
81 import static jdk.vm.ci.sparc.SPARC.l7;
82 import static jdk.vm.ci.sparc.SPARC.o0;
83 import static jdk.vm.ci.sparc.SPARC.o1;
84 import static jdk.vm.ci.sparc.SPARC.o2;
85 import static jdk.vm.ci.sparc.SPARC.o3;
86 import static jdk.vm.ci.sparc.SPARC.o4;
87 import static jdk.vm.ci.sparc.SPARC.o5;
88
89 import java.util.ArrayList;
90 import java.util.BitSet;
91
92 import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
93
94 import jdk.vm.ci.code.Register;
95 import jdk.vm.ci.code.RegisterArray;
96 import jdk.vm.ci.code.RegisterConfig;
97
98 public class SPARCHotSpotRegisterAllocationConfig extends RegisterAllocationConfig {
99
100 // @formatter:off
101 static final Register[] registerAllocationOrder = {
102 l0, l1, l2, l3, l4, l5, l6, l7,
103 i0, i1, i2, i3, i4, i5, /*i6,*/ /*i7,*/
104 o0, o1, o2, o3, o4, o5, /*o6, o7,*/
105 g1, g4, g5,
106 // f0, f1, f2, f3, f4, f5, f6, f7
107 f8, f9, f10, f11, f12, f13, f14, f15,
108 f16, f17, f18, f19, f20, f21, f22, f23,
109 f24, f25, f26, f27, f28, f29, f30, f31,
110 d32, d34, d36, d38, d40, d42, d44, d46,
111 d48, d50, d52, d54, d56, d58, d60, d62
112 };
113 // @formatter:on
114
115 public SPARCHotSpotRegisterAllocationConfig(RegisterConfig registerConfig) {
116 super(registerConfig);
117 }
118
119 @Override
120 protected RegisterArray initAllocatable(RegisterArray registers) {
121 BitSet regMap = new BitSet(registerConfig.getAllocatableRegisters().size());
122 for (Register reg : registers) {
123 regMap.set(reg.number);
124 }
125
126 ArrayList<Register> allocatableRegisters = new ArrayList<>(registers.size());
127 for (Register reg : registerAllocationOrder) {
128 if (regMap.get(reg.number)) {
129 allocatableRegisters.add(reg);
130 }
131 }
132
133 return super.initAllocatable(new RegisterArray(allocatableRegisters));
134 }
135 }