Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.aarch64/src/com/oracle/graal/hotspot/aarch64/AArch64HotSpotRegisterAllocationConfig.java @ 23217:a1bfeec72458
AArch64 Graal Port
author | twisti |
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date | Thu, 24 Dec 2015 11:43:35 -1000 |
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/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot.aarch64; import static jdk.vm.ci.aarch64.AArch64.r0; import static jdk.vm.ci.aarch64.AArch64.r1; import static jdk.vm.ci.aarch64.AArch64.r10; import static jdk.vm.ci.aarch64.AArch64.r11; import static jdk.vm.ci.aarch64.AArch64.r12; import static jdk.vm.ci.aarch64.AArch64.r13; import static jdk.vm.ci.aarch64.AArch64.r14; import static jdk.vm.ci.aarch64.AArch64.r15; import static jdk.vm.ci.aarch64.AArch64.r16; import static jdk.vm.ci.aarch64.AArch64.r17; import static jdk.vm.ci.aarch64.AArch64.r18; import static jdk.vm.ci.aarch64.AArch64.r19; import static jdk.vm.ci.aarch64.AArch64.r2; import static jdk.vm.ci.aarch64.AArch64.r20; import static jdk.vm.ci.aarch64.AArch64.r21; import static jdk.vm.ci.aarch64.AArch64.r22; import static jdk.vm.ci.aarch64.AArch64.r23; import static jdk.vm.ci.aarch64.AArch64.r24; import static jdk.vm.ci.aarch64.AArch64.r25; import static jdk.vm.ci.aarch64.AArch64.r26; import static jdk.vm.ci.aarch64.AArch64.r27; import static jdk.vm.ci.aarch64.AArch64.r28; import static jdk.vm.ci.aarch64.AArch64.r3; import static jdk.vm.ci.aarch64.AArch64.r4; import static jdk.vm.ci.aarch64.AArch64.r5; import static jdk.vm.ci.aarch64.AArch64.r6; import static jdk.vm.ci.aarch64.AArch64.r7; import static jdk.vm.ci.aarch64.AArch64.r8; import static jdk.vm.ci.aarch64.AArch64.r9; import static jdk.vm.ci.aarch64.AArch64.v0; import static jdk.vm.ci.aarch64.AArch64.v1; import static jdk.vm.ci.aarch64.AArch64.v10; import static jdk.vm.ci.aarch64.AArch64.v11; import static jdk.vm.ci.aarch64.AArch64.v12; import static jdk.vm.ci.aarch64.AArch64.v13; import static jdk.vm.ci.aarch64.AArch64.v14; import static jdk.vm.ci.aarch64.AArch64.v15; import static jdk.vm.ci.aarch64.AArch64.v16; import static jdk.vm.ci.aarch64.AArch64.v17; import static jdk.vm.ci.aarch64.AArch64.v18; import static jdk.vm.ci.aarch64.AArch64.v19; import static jdk.vm.ci.aarch64.AArch64.v2; import static jdk.vm.ci.aarch64.AArch64.v20; import static jdk.vm.ci.aarch64.AArch64.v21; import static jdk.vm.ci.aarch64.AArch64.v22; import static jdk.vm.ci.aarch64.AArch64.v23; import static jdk.vm.ci.aarch64.AArch64.v24; import static jdk.vm.ci.aarch64.AArch64.v25; import static jdk.vm.ci.aarch64.AArch64.v26; import static jdk.vm.ci.aarch64.AArch64.v27; import static jdk.vm.ci.aarch64.AArch64.v28; import static jdk.vm.ci.aarch64.AArch64.v29; import static jdk.vm.ci.aarch64.AArch64.v3; import static jdk.vm.ci.aarch64.AArch64.v30; import static jdk.vm.ci.aarch64.AArch64.v31; import static jdk.vm.ci.aarch64.AArch64.v4; import static jdk.vm.ci.aarch64.AArch64.v5; import static jdk.vm.ci.aarch64.AArch64.v6; import static jdk.vm.ci.aarch64.AArch64.v7; import static jdk.vm.ci.aarch64.AArch64.v8; import static jdk.vm.ci.aarch64.AArch64.v9; import java.util.ArrayList; import java.util.BitSet; import com.oracle.graal.compiler.common.alloc.RegisterAllocationConfig; import jdk.vm.ci.code.Register; import jdk.vm.ci.code.RegisterConfig; public class AArch64HotSpotRegisterAllocationConfig extends RegisterAllocationConfig { // @formatter:off static final Register[] registerAllocationOrder = { r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, /* r29, r30, r31 */ v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31 }; // @formatter:on public AArch64HotSpotRegisterAllocationConfig(RegisterConfig registerConfig) { super(registerConfig); } @Override protected Register[] initAllocatable(Register[] registers) { BitSet regMap = new BitSet(registerConfig.getAllocatableRegisters().length); for (Register reg : registers) { regMap.set(reg.number); } ArrayList<Register> allocatableRegisters = new ArrayList<>(registers.length); for (Register reg : registerAllocationOrder) { if (regMap.get(reg.number)) { allocatableRegisters.add(reg); } } return super.initAllocatable(allocatableRegisters.toArray(new Register[allocatableRegisters.size()])); } @Override protected AllocatableRegisters createAllocatableRegisters(Register[] registers) { int min = Integer.MAX_VALUE; int max = Integer.MIN_VALUE; for (Register reg : registers) { int number = reg.number; if (number < min) { min = number; } if (number > max) { max = number; } } assert min < max; return new AllocatableRegisters(registers, min, max); } }