| /* |
| * 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<AArch64FloatConvertOp> 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(); |
| } |
| } |
| |
| } |