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view graal/com.oracle.graal.asm.amd64.test/src/com/oracle/graal/asm/amd64/test/BitOpsTest.java @ 18738:2bbe4ecff88c
authors: delete duplicated entry
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Sat, 20 Dec 2014 12:43:59 +0200 |
parents | 6dc4f0be9a70 |
children | 89c729e9e0a4 |
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/* * Copyright (c) 2013, 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.asm.amd64.test; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.compiler.common.UnsafeAccess.*; import static org.junit.Assume.*; import org.junit.*; import java.lang.reflect.*; import java.util.*; import com.oracle.graal.amd64.*; import com.oracle.graal.amd64.AMD64.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.asm.test.*; public class BitOpsTest extends AssemblerTest { private static boolean lzcntSupported; private static boolean tzcntSupported; @Before public void checkAMD64() { assumeTrue("skipping AMD64 specific test", codeCache.getTarget().arch instanceof AMD64); EnumSet<CPUFeature> features = ((AMD64) codeCache.getTarget().arch).getFeatures(); lzcntSupported = features.contains(CPUFeature.LZCNT); tzcntSupported = features.contains(CPUFeature.BMI1); } @Test public void lzcntlTest() { if (lzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); Register arg = asRegister(cc.getArgument(0)); asm.lzcntl(ret, arg); asm.ret(0); return asm.close(true); } }; assertReturn("intStub", test, 31, 1); } } @Test public void lzcntlMemTest() { if (lzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); try { Field f = IntField.class.getDeclaredField("x"); AMD64Address arg = new AMD64Address(asRegister(cc.getArgument(0)), (int) unsafe.objectFieldOffset(f)); asm.lzcntl(ret, arg); asm.ret(0); return asm.close(true); } catch (Exception e) { throw new RuntimeException("exception while trying to generate field access:", e); } } }; assertReturn("intFieldStub", test, 31, new IntField(1)); } } @Test public void lzcntqTest() { if (lzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); Register arg = asRegister(cc.getArgument(0)); asm.lzcntq(ret, arg); asm.ret(0); return asm.close(true); } }; assertReturn("longStub", test, 63, 1L); } } @Test public void lzcntqMemTest() { if (lzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); try { Field f = LongField.class.getDeclaredField("x"); AMD64Address arg = new AMD64Address(asRegister(cc.getArgument(0)), (int) unsafe.objectFieldOffset(f)); asm.lzcntq(ret, arg); asm.ret(0); return asm.close(true); } catch (Exception e) { throw new RuntimeException("exception while trying to generate field access:", e); } } }; assertReturn("longFieldStub", test, 63, new LongField(1)); } } @Test public void tzcntlTest() { if (tzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); Register arg = asRegister(cc.getArgument(0)); asm.tzcntl(ret, arg); asm.ret(0); return asm.close(true); } }; assertReturn("intStub", test, 31, 0x8000_0000); } } @Test public void tzcntlMemTest() { if (tzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); try { Field f = IntField.class.getDeclaredField("x"); AMD64Address arg = new AMD64Address(asRegister(cc.getArgument(0)), (int) unsafe.objectFieldOffset(f)); asm.tzcntl(ret, arg); asm.ret(0); return asm.close(true); } catch (Exception e) { throw new RuntimeException("exception while trying to generate field access:", e); } } }; assertReturn("intFieldStub", test, 31, new IntField(0x8000_0000)); } } @Test public void tzcntqTest() { if (tzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); Register arg = asRegister(cc.getArgument(0)); asm.tzcntq(ret, arg); asm.ret(0); return asm.close(true); } }; assertReturn("longStub", test, 63, 0x8000_0000_0000_0000L); } } @Test public void tzcntqMemTest() { if (tzcntSupported) { CodeGenTest test = new CodeGenTest() { @Override public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { AMD64Assembler asm = new AMD64Assembler(target, registerConfig); Register ret = registerConfig.getReturnRegister(Kind.Int); try { Field f = LongField.class.getDeclaredField("x"); AMD64Address arg = new AMD64Address(asRegister(cc.getArgument(0)), (int) unsafe.objectFieldOffset(f)); asm.tzcntq(ret, arg); asm.ret(0); return asm.close(true); } catch (Exception e) { throw new RuntimeException("exception while trying to generate field access:", e); } } }; assertReturn("longFieldStub", test, 63, new LongField(0x8000_0000_0000_0000L)); } } @SuppressWarnings("unused") public static int intStub(int arg) { return 0; } @SuppressWarnings("unused") public static int longStub(long arg) { return 0; } public static class IntField { public int x; IntField(int x) { this.x = x; } } public static class LongField { public long x; LongField(long x) { this.x = x; } } @SuppressWarnings("unused") public static int intFieldStub(IntField arg) { return 0; } @SuppressWarnings("unused") public static int longFieldStub(LongField arg) { return 0; } }