Mercurial > hg > truffle
view graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64TestOp.java @ 8167:7f57c30575c8
Make AMD64Address a low-level representation for use by the assembler only.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 07 Mar 2013 16:20:18 +0100 |
parents | 838293a77af7 |
children | 1a66453f73db |
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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.graph.*; import com.oracle.graal.lir.asm.*; public class AMD64TestOp extends AMD64LIRInstruction { @Use({REG}) protected Value x; @Use({REG, STACK, CONST}) protected Value y; public AMD64TestOp(Value x, Value y) { this.x = x; this.y = y; } @Override public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) { emit(tasm, masm, x, y); } @Override protected void verify() { super.verify(); assert (x.getKind() == Kind.Int && y.getKind().getStackKind() == Kind.Int) || (x.getKind() == Kind.Long && y.getKind() == Kind.Long) : x + " " + y; } public static void emit(TargetMethodAssembler tasm, AMD64MacroAssembler masm, Value x, Value y) { if (isRegister(y)) { switch (x.getKind()) { case Int: masm.testl(asIntReg(x), asIntReg(y)); break; case Long: masm.testq(asLongReg(x), asLongReg(y)); break; default: throw GraalInternalError.shouldNotReachHere(); } } else if (isConstant(y)) { switch (x.getKind()) { case Int: masm.testl(asIntReg(x), tasm.asIntConst(y)); break; case Long: masm.testq(asLongReg(x), tasm.asIntConst(y)); break; default: throw GraalInternalError.shouldNotReachHere(); } } else { switch (x.getKind()) { case Int: masm.testl(asIntReg(x), (AMD64Address) tasm.asIntAddr(y)); break; case Long: masm.testq(asLongReg(x), (AMD64Address) tasm.asLongAddr(y)); break; default: throw GraalInternalError.shouldNotReachHere(); } } } }