Mercurial > hg > truffle
view graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64BitManipulationOp.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | f368ec89e231 |
children | 838293a77af7 |
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/* * Copyright (c) 2012, 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 com.oracle.graal.lir.amd64; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.lir.asm.*; public class AMD64BitManipulationOp extends AMD64LIRInstruction { public enum IntrinsicOpcode { IPOPCNT, LPOPCNT, IBSR, LBSR, BSF; } @Opcode private final IntrinsicOpcode opcode; @Def protected Value result; @Use({OperandFlag.REG, OperandFlag.ADDR}) protected Value input; public AMD64BitManipulationOp(IntrinsicOpcode opcode, Value result, Value input) { this.opcode = opcode; this.result = result; this.input = input; } @Override public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) { Register dst = ValueUtil.asIntReg(result); if (ValueUtil.isAddress(input)) { Address src = ValueUtil.asAddress(input); switch (opcode) { case IPOPCNT: masm.popcntl(dst, src); break; case LPOPCNT: masm.popcntq(dst, src); break; case BSF: masm.bsfq(dst, src); break; case IBSR: masm.bsrl(dst, src); break; case LBSR: masm.bsrq(dst, src); break; } } else { Register src = ValueUtil.asRegister(input); switch (opcode) { case IPOPCNT: masm.popcntl(dst, src); break; case LPOPCNT: masm.popcntq(dst, src); break; case BSF: masm.bsfq(dst, src); break; case IBSR: masm.bsrl(dst, src); break; case LBSR: masm.bsrq(dst, src); break; } } } }