Mercurial > hg > truffle
view graal/com.oracle.graal.lir.ptx/src/com/oracle/graal/lir/ptx/PTXBitManipulationOp.java @ 13205:bef512e42262
Merge
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
---|---|
date | Mon, 02 Dec 2013 12:45:18 +0100 |
parents | 884bee435276 |
children | 1a66453f73db |
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/* * Copyright (c) 2013, 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.lir.ptx; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.ptx.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; public class PTXBitManipulationOp extends PTXLIRInstruction { public enum IntrinsicOpcode { IPOPCNT, LPOPCNT, IBSR, LBSR, BSF; } @Opcode private final IntrinsicOpcode opcode; @Def protected Value result; @Use({OperandFlag.REG}) protected Value input; public PTXBitManipulationOp(IntrinsicOpcode opcode, Value result, Value input) { this.opcode = opcode; this.result = result; this.input = input; } @Override public void emitCode(TargetMethodAssembler tasm, PTXMacroAssembler masm) { Register dst = ValueUtil.asIntReg(result); Register src = ValueUtil.asRegister(input); switch (opcode) { case IPOPCNT: masm.popc_b32(dst, src); break; case LPOPCNT: masm.popc_b64(dst, src); break; default: throw GraalInternalError.shouldNotReachHere(); } } }