| /* |
| * Copyright (c) 2018, 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 org.graalvm.compiler.hotspot.lir; |
| |
| import java.util.EnumSet; |
| |
| import org.graalvm.compiler.core.common.cfg.AbstractBlockBase; |
| import org.graalvm.compiler.lir.LIR; |
| import org.graalvm.compiler.lir.LIRInstruction; |
| import org.graalvm.compiler.lir.gen.LIRGenerationResult; |
| import org.graalvm.compiler.lir.phases.PostAllocationOptimizationPhase; |
| |
| import jdk.vm.ci.code.TargetDescription; |
| import static jdk.vm.ci.code.ValueUtil.isRegister; |
| import jdk.vm.ci.meta.Value; |
| import org.graalvm.compiler.lir.LIRInstruction.OperandFlag; |
| import org.graalvm.compiler.lir.LIRInstruction.OperandMode; |
| |
| /** |
| * Checks that no registers exceed the MaxVectorSize flag from the VM config. |
| */ |
| public final class VerifyMaxRegisterSizePhase extends PostAllocationOptimizationPhase { |
| |
| private final int maxVectorSize; |
| |
| public VerifyMaxRegisterSizePhase(int maxVectorSize) { |
| this.maxVectorSize = maxVectorSize; |
| } |
| |
| @Override |
| protected void run(TargetDescription target, LIRGenerationResult lirGenRes, PostAllocationOptimizationContext context) { |
| LIR lir = lirGenRes.getLIR(); |
| for (AbstractBlockBase<?> block : lir.getControlFlowGraph().getBlocks()) { |
| verifyBlock(lir, block); |
| } |
| } |
| |
| protected void verifyBlock(LIR lir, AbstractBlockBase<?> block) { |
| for (LIRInstruction inst : lir.getLIRforBlock(block)) { |
| verifyInstruction(inst); |
| } |
| } |
| |
| protected void verifyInstruction(LIRInstruction inst) { |
| inst.visitEachInput(this::verifyOperands); |
| inst.visitEachOutput(this::verifyOperands); |
| inst.visitEachAlive(this::verifyOperands); |
| inst.visitEachTemp(this::verifyOperands); |
| } |
| |
| @SuppressWarnings("unused") |
| protected void verifyOperands(LIRInstruction instruction, Value value, OperandMode mode, EnumSet<OperandFlag> flags) { |
| if (isRegister(value)) { |
| assert value.getPlatformKind().getSizeInBytes() <= maxVectorSize : "value " + value + " exceeds MaxVectorSize " + maxVectorSize; |
| } |
| } |
| } |