Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.hsail/src/com/oracle/graal/hotspot/hsail/HSAILHotSpotAssembler.java @ 18771:15fe16c45d64
Truffle-DSL: changed specialization class naming scheme to use method name. This usually leads to shorter specialization class names.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 05 Jan 2015 01:31:07 +0100 |
parents | 8e10f4877773 |
children |
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/* * Copyright (c) 2009, 2014, 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.hsail; import java.lang.reflect.*; import com.amd.okra.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.hsail.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.hotspot.meta.*; /** * This class contains routines to emit HSAIL assembly code. */ public class HSAILHotSpotAssembler extends HSAILAssembler { public HSAILHotSpotAssembler(TargetDescription target) { super(target); } // This means the HSAIL backend cannot (currently) be executed // in remote/replay compilation mode. private static Field objectField; private static Object getObject(JavaConstant src) { try { if (objectField == null) { objectField = HotSpotObjectConstantImpl.class.getDeclaredField("object"); objectField.setAccessible(true); } return objectField.get(src); } catch (Exception e) { throw new GraalInternalError(e); } } @Override public final void mov(Register a, JavaConstant src) { String regName = "$d" + a.encoding(); // For a null object simply move 0x0 into the destination register. if (src.isNull()) { emitString("mov_b64 " + regName + ", 0x0; // null object"); } else { assert src instanceof HotSpotObjectConstantImpl; Object obj = getObject(src); // Get a JNI reference handle to the object. long refHandle = OkraUtil.getRefHandle(obj); // Get the clasname of the object for emitting a comment. Class<?> clazz = obj.getClass(); String className = clazz.getName(); String comment = "// handle for object of type " + className; // If the object is an array note the array length in the comment. if (className.startsWith("[")) { comment += ", length " + Array.getLength(obj); } // First move the reference handle into a register. emitString("mov_b64 " + regName + ", 0x" + Long.toHexString(refHandle) + "; " + comment); // Next load the Object addressed by this reference handle into the destination reg. emitString("ld_global_u64 " + regName + ", [" + regName + "];"); } } }