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.aarch64; 24 25 import static jdk.vm.ci.aarch64.AArch64.r0; 26 import static jdk.vm.ci.aarch64.AArch64.r1; 27 import static jdk.vm.ci.aarch64.AArch64.r10; 28 import static jdk.vm.ci.aarch64.AArch64.r11; 29 import static jdk.vm.ci.aarch64.AArch64.r12; 30 import static jdk.vm.ci.aarch64.AArch64.r13; 31 import static jdk.vm.ci.aarch64.AArch64.r14; 32 import static jdk.vm.ci.aarch64.AArch64.r15; 33 import static jdk.vm.ci.aarch64.AArch64.r16; 34 import static jdk.vm.ci.aarch64.AArch64.r17; 35 import static jdk.vm.ci.aarch64.AArch64.r18; 36 import static jdk.vm.ci.aarch64.AArch64.r19; 37 import static jdk.vm.ci.aarch64.AArch64.r2; 38 import static jdk.vm.ci.aarch64.AArch64.r20; 39 import static jdk.vm.ci.aarch64.AArch64.r21; 40 import static jdk.vm.ci.aarch64.AArch64.r22; 41 import static jdk.vm.ci.aarch64.AArch64.r23; 42 import static jdk.vm.ci.aarch64.AArch64.r24; 43 import static jdk.vm.ci.aarch64.AArch64.r25; 44 import static jdk.vm.ci.aarch64.AArch64.r26; 45 import static jdk.vm.ci.aarch64.AArch64.r27; 46 import static jdk.vm.ci.aarch64.AArch64.r28; 47 import static jdk.vm.ci.aarch64.AArch64.r3; 48 import static jdk.vm.ci.aarch64.AArch64.r4; 49 import static jdk.vm.ci.aarch64.AArch64.r5; 50 import static jdk.vm.ci.aarch64.AArch64.r6; 51 import static jdk.vm.ci.aarch64.AArch64.r7; 52 import static jdk.vm.ci.aarch64.AArch64.r8; 53 import static jdk.vm.ci.aarch64.AArch64.r9; 54 import static jdk.vm.ci.aarch64.AArch64.v0; 55 import static jdk.vm.ci.aarch64.AArch64.v1; 56 import static jdk.vm.ci.aarch64.AArch64.v10; 57 import static jdk.vm.ci.aarch64.AArch64.v11; 58 import static jdk.vm.ci.aarch64.AArch64.v12; 59 import static jdk.vm.ci.aarch64.AArch64.v13; 60 import static jdk.vm.ci.aarch64.AArch64.v14; 61 import static jdk.vm.ci.aarch64.AArch64.v15; 62 import static jdk.vm.ci.aarch64.AArch64.v16; 63 import static jdk.vm.ci.aarch64.AArch64.v17; 64 import static jdk.vm.ci.aarch64.AArch64.v18; 65 import static jdk.vm.ci.aarch64.AArch64.v19; 66 import static jdk.vm.ci.aarch64.AArch64.v2; 67 import static jdk.vm.ci.aarch64.AArch64.v20; 68 import static jdk.vm.ci.aarch64.AArch64.v21; 69 import static jdk.vm.ci.aarch64.AArch64.v22; 70 import static jdk.vm.ci.aarch64.AArch64.v23; 71 import static jdk.vm.ci.aarch64.AArch64.v24; 72 import static jdk.vm.ci.aarch64.AArch64.v25; 73 import static jdk.vm.ci.aarch64.AArch64.v26; 74 import static jdk.vm.ci.aarch64.AArch64.v27; 75 import static jdk.vm.ci.aarch64.AArch64.v28; 76 import static jdk.vm.ci.aarch64.AArch64.v29; 77 import static jdk.vm.ci.aarch64.AArch64.v3; 78 import static jdk.vm.ci.aarch64.AArch64.v30; 79 import static jdk.vm.ci.aarch64.AArch64.v31; 80 import static jdk.vm.ci.aarch64.AArch64.v4; 81 import static jdk.vm.ci.aarch64.AArch64.v5; 82 import static jdk.vm.ci.aarch64.AArch64.v6; 83 import static jdk.vm.ci.aarch64.AArch64.v7; 84 import static jdk.vm.ci.aarch64.AArch64.v8; 85 import static jdk.vm.ci.aarch64.AArch64.v9; 86 87 import java.util.ArrayList; 88 import java.util.BitSet; 89 90 import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig; 91 92 import jdk.vm.ci.code.Register; 93 import jdk.vm.ci.code.RegisterArray; 94 import jdk.vm.ci.code.RegisterConfig; 95 96 public class AArch64HotSpotRegisterAllocationConfig extends RegisterAllocationConfig { 97 98 // @formatter:off 99 static final Register[] registerAllocationOrder = { 100 r0, r1, r2, r3, r4, r5, r6, r7, 101 r8, r9, r10, r11, r12, r13, r14, r15, 102 r16, r17, r18, r19, r20, r21, r22, r23, 103 r24, r25, r26, r27, r28, /* r29, r30, r31 */ 104 105 v0, v1, v2, v3, v4, v5, v6, v7, 106 v8, v9, v10, v11, v12, v13, v14, v15, 107 v16, v17, v18, v19, v20, v21, v22, v23, 108 v24, v25, v26, v27, v28, v29, v30, v31 109 }; 110 // @formatter:on 111 112 public AArch64HotSpotRegisterAllocationConfig(RegisterConfig registerConfig, String[] allocationRestrictedTo) { 113 super(registerConfig, allocationRestrictedTo); 114 } 115 116 @Override 117 protected RegisterArray initAllocatable(RegisterArray registers) { 118 BitSet regMap = new BitSet(registerConfig.getAllocatableRegisters().size()); 119 for (Register reg : registers) { 120 regMap.set(reg.number); 121 } 122 123 ArrayList<Register> allocatableRegisters = new ArrayList<>(registers.size()); 124 for (Register reg : registerAllocationOrder) { 125 if (regMap.get(reg.number)) { 126 allocatableRegisters.add(reg); 127 } 128 } 129 130 return super.initAllocatable(new RegisterArray(allocatableRegisters)); 131 } 132 }