SPARCHotSpotRegisterAllocationConfig.java revision 12657:6ef01bd40ce2
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 */ 23package org.graalvm.compiler.hotspot.sparc; 24 25import static jdk.vm.ci.sparc.SPARC.d32; 26import static jdk.vm.ci.sparc.SPARC.d34; 27import static jdk.vm.ci.sparc.SPARC.d36; 28import static jdk.vm.ci.sparc.SPARC.d38; 29import static jdk.vm.ci.sparc.SPARC.d40; 30import static jdk.vm.ci.sparc.SPARC.d42; 31import static jdk.vm.ci.sparc.SPARC.d44; 32import static jdk.vm.ci.sparc.SPARC.d46; 33import static jdk.vm.ci.sparc.SPARC.d48; 34import static jdk.vm.ci.sparc.SPARC.d50; 35import static jdk.vm.ci.sparc.SPARC.d52; 36import static jdk.vm.ci.sparc.SPARC.d54; 37import static jdk.vm.ci.sparc.SPARC.d56; 38import static jdk.vm.ci.sparc.SPARC.d58; 39import static jdk.vm.ci.sparc.SPARC.d60; 40import static jdk.vm.ci.sparc.SPARC.d62; 41import static jdk.vm.ci.sparc.SPARC.f10; 42import static jdk.vm.ci.sparc.SPARC.f11; 43import static jdk.vm.ci.sparc.SPARC.f12; 44import static jdk.vm.ci.sparc.SPARC.f13; 45import static jdk.vm.ci.sparc.SPARC.f14; 46import static jdk.vm.ci.sparc.SPARC.f15; 47import static jdk.vm.ci.sparc.SPARC.f16; 48import static jdk.vm.ci.sparc.SPARC.f17; 49import static jdk.vm.ci.sparc.SPARC.f18; 50import static jdk.vm.ci.sparc.SPARC.f19; 51import static jdk.vm.ci.sparc.SPARC.f20; 52import static jdk.vm.ci.sparc.SPARC.f21; 53import static jdk.vm.ci.sparc.SPARC.f22; 54import static jdk.vm.ci.sparc.SPARC.f23; 55import static jdk.vm.ci.sparc.SPARC.f24; 56import static jdk.vm.ci.sparc.SPARC.f25; 57import static jdk.vm.ci.sparc.SPARC.f26; 58import static jdk.vm.ci.sparc.SPARC.f27; 59import static jdk.vm.ci.sparc.SPARC.f28; 60import static jdk.vm.ci.sparc.SPARC.f29; 61import static jdk.vm.ci.sparc.SPARC.f30; 62import static jdk.vm.ci.sparc.SPARC.f31; 63import static jdk.vm.ci.sparc.SPARC.f8; 64import static jdk.vm.ci.sparc.SPARC.f9; 65import static jdk.vm.ci.sparc.SPARC.g1; 66import static jdk.vm.ci.sparc.SPARC.g4; 67import static jdk.vm.ci.sparc.SPARC.g5; 68import static jdk.vm.ci.sparc.SPARC.i0; 69import static jdk.vm.ci.sparc.SPARC.i1; 70import static jdk.vm.ci.sparc.SPARC.i2; 71import static jdk.vm.ci.sparc.SPARC.i3; 72import static jdk.vm.ci.sparc.SPARC.i4; 73import static jdk.vm.ci.sparc.SPARC.i5; 74import static jdk.vm.ci.sparc.SPARC.l0; 75import static jdk.vm.ci.sparc.SPARC.l1; 76import static jdk.vm.ci.sparc.SPARC.l2; 77import static jdk.vm.ci.sparc.SPARC.l3; 78import static jdk.vm.ci.sparc.SPARC.l4; 79import static jdk.vm.ci.sparc.SPARC.l5; 80import static jdk.vm.ci.sparc.SPARC.l6; 81import static jdk.vm.ci.sparc.SPARC.l7; 82import static jdk.vm.ci.sparc.SPARC.o0; 83import static jdk.vm.ci.sparc.SPARC.o1; 84import static jdk.vm.ci.sparc.SPARC.o2; 85import static jdk.vm.ci.sparc.SPARC.o3; 86import static jdk.vm.ci.sparc.SPARC.o4; 87import static jdk.vm.ci.sparc.SPARC.o5; 88 89import java.util.ArrayList; 90import java.util.BitSet; 91 92import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig; 93 94import jdk.vm.ci.code.Register; 95import jdk.vm.ci.code.RegisterArray; 96import jdk.vm.ci.code.RegisterConfig; 97 98public 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} 136