/* * Copyright (c) 2013, 2015, 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 org.graalvm.compiler.core.aarch64; import static jdk.vm.ci.code.ValueUtil.asRegister; import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler; import org.graalvm.compiler.core.common.calc.FloatConvert; import org.graalvm.compiler.debug.GraalError; import org.graalvm.compiler.lir.LIRInstructionClass; import org.graalvm.compiler.lir.aarch64.AArch64LIRInstruction; import org.graalvm.compiler.lir.asm.CompilationResultBuilder; import jdk.vm.ci.code.Register; import jdk.vm.ci.meta.AllocatableValue; public final class AArch64FloatConvertOp extends AArch64LIRInstruction { private static final LIRInstructionClass TYPE = LIRInstructionClass.create(AArch64FloatConvertOp.class); private final FloatConvert op; @Def protected AllocatableValue resultValue; @Use protected AllocatableValue inputValue; protected AArch64FloatConvertOp(FloatConvert op, AllocatableValue resultValue, AllocatableValue inputValue) { super(TYPE); this.op = op; this.resultValue = resultValue; this.inputValue = inputValue; } @Override public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) { int fromSize = inputValue.getPlatformKind().getSizeInBytes() * Byte.SIZE; int toSize = resultValue.getPlatformKind().getSizeInBytes() * Byte.SIZE; Register result = asRegister(resultValue); Register input = asRegister(inputValue); switch (op) { case F2I: case D2I: case F2L: case D2L: masm.fcvtzs(toSize, fromSize, result, input); break; case I2F: case I2D: case L2F: case L2D: masm.scvtf(toSize, fromSize, result, input); break; case D2F: case F2D: masm.fcvt(fromSize, result, input); break; default: throw GraalError.shouldNotReachHere(); } } }