Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCCompare.java @ 17237:c990248e816e
[SPARC] changed register counts due to hint
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
---|---|
date | Fri, 26 Sep 2014 10:40:34 -0700 |
parents | 805a26002dc7 |
children | 35ae3e916582 |
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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.sparc; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.asm.sparc.SPARCAssembler.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Cmp; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; public enum SPARCCompare { ICMP, LCMP, ACMP, FCMP, DCMP; public static class CompareOp extends SPARCLIRInstruction { @Opcode private final SPARCCompare opcode; @Use({REG}) protected Value x; @Use({REG, CONST}) protected Value y; public CompareOp(SPARCCompare opcode, Value x, Value y) { this.opcode = opcode; this.x = x; this.y = y; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { emit(crb, masm, opcode, x, y); } @Override protected void verify() { super.verify(); // @formatter:off assert (name().startsWith("I") && (!(x.getKind() == Kind.Int) || y.getKind().getStackKind() == Kind.Int) && (!(x.getKind() == Kind.Short) || y.getKind().getStackKind() == Kind.Int) && (!(x.getKind() == Kind.Byte) || y.getKind().getStackKind() == Kind.Int)) || (name().startsWith("L") && x.getKind() == Kind.Long && y.getKind() == Kind.Long) || (name().startsWith("A") && x.getKind() == Kind.Object && y.getKind() == Kind.Object) || (name().startsWith("F") && x.getKind() == Kind.Float && y.getKind() == Kind.Float) || (name().startsWith("D") && x.getKind() == Kind.Double && y.getKind() == Kind.Double) : "Name; " + name() + " x: " + x + " y: " + y; // @formatter:on } } public static void emit(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCCompare opcode, Value x, Value y) { if (isRegister(y)) { switch (opcode) { case ICMP: new Cmp(asIntReg(x), asIntReg(y)).emit(masm); break; case LCMP: new Cmp(asLongReg(x), asLongReg(y)).emit(masm); break; case ACMP: new Cmp(asObjectReg(x), asObjectReg(y)).emit(masm); break; case FCMP: new Fcmp(CC.Fcc0, Opfs.Fcmps, asFloatReg(x), asFloatReg(y)).emit(masm); break; case DCMP: new Fcmp(CC.Fcc0, Opfs.Fcmpd, asDoubleReg(x), asDoubleReg(y)).emit(masm); break; default: throw GraalInternalError.shouldNotReachHere(); } } else { assert isConstant(y); switch (opcode) { case LCMP: assert isSimm13(crb.asLongConst(y)); new Cmp(asLongReg(x), (int) crb.asLongConst(y)).emit(masm); break; case ICMP: assert isSimm13(crb.asIntConst(y)); new Cmp(asIntReg(x), crb.asIntConst(y)).emit(masm); break; case ACMP: if (((Constant) y).isNull()) { new Cmp(asObjectReg(x), 0).emit(masm); break; } else { throw GraalInternalError.shouldNotReachHere("Only null object constants are allowed in comparisons"); } case FCMP: new Fcmp(CC.Fcc0, Opfs.Fcmps, asFloatReg(x), asFloatReg(y)).emit(masm); break; case DCMP: new Fcmp(CC.Fcc0, Opfs.Fcmpd, asDoubleReg(x), asDoubleReg(y)).emit(masm); break; default: throw GraalInternalError.shouldNotReachHere(); } } } }