1 /*
   2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.lir.sparc;
  26 
  27 import static jdk.vm.ci.code.ValueUtil.asRegister;
  28 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
  29 
  30 import org.graalvm.compiler.asm.sparc.SPARCAssembler;
  31 import org.graalvm.compiler.asm.sparc.SPARCAssembler.CC;
  32 import org.graalvm.compiler.asm.sparc.SPARCAssembler.Opfs;
  33 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
  34 import org.graalvm.compiler.lir.LIRInstructionClass;
  35 import org.graalvm.compiler.lir.Opcode;
  36 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
  37 
  38 import jdk.vm.ci.meta.AllocatableValue;
  39 
  40 public class SPARCFloatCompareOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction {
  41     public static final LIRInstructionClass<SPARCFloatCompareOp> TYPE = LIRInstructionClass.create(SPARCFloatCompareOp.class);
  42     public static final SizeEstimate SIZE = SizeEstimate.create(1);
  43 
  44     private final CC cc;
  45     @Opcode protected final Opfs opf;
  46     @Use({REG}) protected AllocatableValue a;
  47     @Use({REG}) protected AllocatableValue b;
  48 
  49     public SPARCFloatCompareOp(Opfs opf, CC cc, AllocatableValue a, AllocatableValue b) {
  50         super(TYPE, SIZE);
  51         this.cc = cc;
  52         this.opf = opf;
  53         this.a = a;
  54         this.b = b;
  55     }
  56 
  57     @Override
  58     protected void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
  59         getDelayedControlTransfer().emitControlTransfer(crb, masm);
  60         SPARCAssembler.OpfOp.emitFcmp(masm, opf, cc, asRegister(a), asRegister(b));
  61     }
  62 
  63     @Override
  64     public void verify() {
  65         assert a.getPlatformKind().equals(b.getPlatformKind()) : "a: " + a + " b: " + b;
  66         assert opf.equals(Opfs.Fcmpd) || opf.equals(Opfs.Fcmps) : opf;
  67     }
  68 }