1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package com.oracle.graal.lir.hsail; 24 25 import com.oracle.graal.lir.*; 26 import com.oracle.graal.api.meta.*; 27 import com.oracle.graal.asm.hsail.*; 28 import com.oracle.graal.graph.*; 29 import com.oracle.graal.lir.asm.*; 30 31 /** 32 * Defines bit manipulation operations. 33 */ 34 public class HSAILBitManipulationOp extends HSAILLIRInstruction { 35 36 public enum IntrinsicOpcode { 37 IPOPCNT, LPOPCNT, IBSR, LBSR, BSF; 38 } 39 40 @Opcode private final IntrinsicOpcode opcode; 41 @Def protected Value result; 42 @Use({OperandFlag.REG}) protected Value input; 43 44 public HSAILBitManipulationOp(IntrinsicOpcode opcode, Value result, Value input) { 45 this.opcode = opcode; 46 this.result = result; 47 this.input = input; 48 } 49 50 @Override 51 public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { 52 switch (opcode) { 53 case IPOPCNT: 54 throw GraalInternalError.shouldNotReachHere(); 55 case LPOPCNT: 56 throw GraalInternalError.shouldNotReachHere(); 57 default: 58 throw GraalInternalError.shouldNotReachHere(); 59 } 60 } 61 }