Mercurial > hg > truffle
view graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64TestMemoryOp.java @ 16760:9f38d222fa6c
Truffle-DSL: renamed @Generic to @Fallback.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 11 Aug 2014 15:57:47 +0200 |
parents | eff84c561a95 |
children | 35ae3e916582 |
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/* * Copyright (c) 2011, 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 static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.AMD64Move.MemOp; import com.oracle.graal.lir.asm.*; public class AMD64TestMemoryOp extends MemOp { @Use({REG, CONST}) protected Value y; public AMD64TestMemoryOp(Kind kind, AMD64AddressValue x, Value y, LIRFrameState state) { super(kind, x, state); this.y = y; this.state = state; } @Override public void emitMemAccess(CompilationResultBuilder crb, AMD64MacroAssembler masm) { if (isRegister(y)) { switch (kind) { case Int: masm.testl(asIntReg(y), address.toAddress()); break; case Long: masm.testq(asLongReg(y), address.toAddress()); break; default: throw GraalInternalError.shouldNotReachHere(); } } else if (isConstant(y)) { switch (kind) { case Int: masm.testl(address.toAddress(), crb.asIntConst(y)); break; case Long: masm.testq(address.toAddress(), crb.asIntConst(y)); break; default: throw GraalInternalError.shouldNotReachHere(); } } else { throw GraalInternalError.shouldNotReachHere(); } } @Override protected void verify() { super.verify(); assert (kind == Kind.Int || kind == Kind.Long) && kind == y.getKind() : address + " " + y; } }