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/*
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* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.lir.gen;
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import org.graalvm.compiler.core.common.LIRKind;
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import org.graalvm.compiler.core.common.calc.FloatConvert;
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import org.graalvm.compiler.debug.GraalError;
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import org.graalvm.compiler.lir.LIRFrameState;
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import org.graalvm.compiler.lir.Variable;
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import jdk.vm.ci.meta.Value;
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import jdk.vm.ci.meta.ValueKind;
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/**
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* This interface can be used to generate LIR for arithmetic and simple memory access operations.
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*
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* The setFlags flag in emitAdd, emitSub and emitMul indicates, that the instruction must set the
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* flags register to be used for a later branch. (On AMD64, the condition codes are set in every
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* arithmetic instruction, but other architectures optionally set the flags register) If setFlags is
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* set, the instruction must set the flags register; if false, the instruction may or may not set
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* the flags register.
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*/
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public interface ArithmeticLIRGeneratorTool {
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Value emitNegate(Value input);
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Value emitAdd(Value a, Value b, boolean setFlags);
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Value emitSub(Value a, Value b, boolean setFlags);
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Value emitMul(Value a, Value b, boolean setFlags);
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Value emitMulHigh(Value a, Value b);
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Value emitUMulHigh(Value a, Value b);
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Value emitDiv(Value a, Value b, LIRFrameState state);
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Value emitRem(Value a, Value b, LIRFrameState state);
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Value emitUDiv(Value a, Value b, LIRFrameState state);
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Value emitURem(Value a, Value b, LIRFrameState state);
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Value emitNot(Value input);
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Value emitAnd(Value a, Value b);
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Value emitOr(Value a, Value b);
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Value emitXor(Value a, Value b);
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Value emitShl(Value a, Value b);
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Value emitShr(Value a, Value b);
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Value emitUShr(Value a, Value b);
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Value emitFloatConvert(FloatConvert op, Value inputVal);
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Value emitReinterpret(LIRKind to, Value inputVal);
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Value emitNarrow(Value inputVal, int bits);
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Value emitSignExtend(Value inputVal, int fromBits, int toBits);
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Value emitZeroExtend(Value inputVal, int fromBits, int toBits);
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Value emitMathAbs(Value input);
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Value emitMathSqrt(Value input);
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Value emitBitCount(Value operand);
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Value emitBitScanForward(Value operand);
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Value emitBitScanReverse(Value operand);
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Variable emitLoad(LIRKind kind, Value address, LIRFrameState state);
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void emitStore(ValueKind<?> kind, Value address, Value input, LIRFrameState state);
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@SuppressWarnings("unused")
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default Value emitMathLog(Value input, boolean base10) {
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throw GraalError.unimplemented("No specialized implementation available");
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}
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@SuppressWarnings("unused")
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default Value emitMathCos(Value input) {
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throw GraalError.unimplemented("No specialized implementation available");
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}
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@SuppressWarnings("unused")
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default Value emitMathSin(Value input) {
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throw GraalError.unimplemented("No specialized implementation available");
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}
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@SuppressWarnings("unused")
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default Value emitMathTan(Value input) {
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throw GraalError.unimplemented("No specialized implementation available");
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}
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@SuppressWarnings("unused")
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default Value emitMathExp(Value input) {
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throw GraalError.unimplemented("No specialized implementation available");
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}
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@SuppressWarnings("unused")
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default Value emitMathPow(Value x, Value y) {
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throw GraalError.unimplemented("No specialized implementation available");
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}
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}
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