| /* |
| * Copyright (c) 2012, 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.asm.amd64; |
| |
| import jdk.vm.ci.amd64.AMD64; |
| import jdk.vm.ci.amd64.AMD64.CPUFeature; |
| import jdk.vm.ci.code.TargetDescription; |
| |
| /** |
| * Attributes for instructions for SSE through EVEX, also including address components. |
| */ |
| public class AMD64InstructionAttr { |
| AMD64InstructionAttr( |
| int inVectorLen, |
| boolean inRexVexW, |
| boolean inLegacyMode, |
| boolean inNoRegMask, |
| boolean inUsesVl, |
| TargetDescription target) { |
| avxVectorLen = inVectorLen; |
| rexVexW = inRexVexW; |
| this.target = target; |
| legacyMode = (!supports(CPUFeature.AVX512F)) ? true : inLegacyMode; |
| noRegMask = inNoRegMask; |
| usesVl = inUsesVl; |
| rexVexWReverted = false; |
| tupleType = 0; |
| inputSizeInBits = 0; |
| isEvexInstruction = false; |
| evexEncoding = 0; |
| isClearContext = false; |
| isExtendedContext = false; |
| } |
| |
| private TargetDescription target; |
| private int avxVectorLen; |
| private boolean rexVexW; |
| private boolean rexVexWReverted; |
| private boolean legacyMode; |
| private boolean noRegMask; |
| private boolean usesVl; |
| private int tupleType; |
| private int inputSizeInBits; |
| private boolean isEvexInstruction; |
| private int evexEncoding; |
| private boolean isClearContext; |
| private boolean isExtendedContext; |
| |
| public int getVectorLen() { |
| return avxVectorLen; |
| } |
| |
| public boolean isRexVexW() { |
| return rexVexW; |
| } |
| |
| public boolean isRexVexWReverted() { |
| return rexVexWReverted; |
| } |
| |
| public boolean isLegacyMode() { |
| return legacyMode; |
| } |
| |
| public boolean isNoRegMask() { |
| return noRegMask; |
| } |
| |
| public boolean usesVl() { |
| return usesVl; |
| } |
| |
| public int getTupleType() { |
| return tupleType; |
| } |
| |
| public int getInputSize() { |
| return inputSizeInBits; |
| } |
| |
| public boolean isEvexInstruction() { |
| return isEvexInstruction; |
| } |
| |
| public int getEvexEncoding() { |
| return evexEncoding; |
| } |
| |
| public boolean isClearContext() { |
| return isClearContext; |
| } |
| |
| public boolean isExtendedContext() { |
| return isExtendedContext; |
| } |
| |
| /** |
| * Set the vector length of a given instruction. |
| * |
| * @param vectorLen |
| */ |
| public void setVectorLen(int vectorLen) { |
| avxVectorLen = vectorLen; |
| } |
| |
| /** |
| * In EVEX it is possible in blended code generation to revert the encoding width for AVX. |
| */ |
| public void setRexVexWReverted() { |
| rexVexWReverted = true; |
| } |
| |
| /** |
| * Alter the current encoding width. |
| * |
| * @param state |
| */ |
| public void setRexVexW(boolean state) { |
| rexVexW = state; |
| } |
| |
| /** |
| * Alter the current instructions legacy mode. Blended code generation will use this. |
| */ |
| public void setLegacyMode() { |
| legacyMode = true; |
| } |
| |
| /** |
| * During emit or during definition of an instruction, mark if it is EVEX. |
| */ |
| public void setIsEvexInstruction() { |
| isEvexInstruction = true; |
| } |
| |
| /** |
| * Set the current encoding attributes to be used in address calculations for EVEX. |
| * |
| * @param value |
| */ |
| public void setEvexEncoding(int value) { |
| evexEncoding = value; |
| } |
| |
| /** |
| * Use clear context for this instruction in EVEX, defaults is merge(false). |
| */ |
| public void setIsClearContext() { |
| isClearContext = true; |
| } |
| |
| /** |
| * Set the address attributes for configuring displacement calculations in EVEX. |
| */ |
| public void setAddressAttributes(int inTupleType, int inInputSizeInBits) { |
| if (supports(CPUFeature.AVX512F)) { |
| tupleType = inTupleType; |
| inputSizeInBits = inInputSizeInBits; |
| } |
| } |
| |
| private boolean supports(CPUFeature feature) { |
| return ((AMD64) target.arch).getFeatures().contains(feature); |
| } |
| } |