1 /* 2 * Copyright (c) 2013, 2019, 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.gen; 26 27 import org.graalvm.compiler.core.common.LIRKind; 28 import org.graalvm.compiler.core.common.calc.FloatConvert; 29 import org.graalvm.compiler.debug.GraalError; 30 import org.graalvm.compiler.lir.LIRFrameState; 31 import org.graalvm.compiler.lir.Variable; 32 33 import jdk.vm.ci.meta.Value; 34 import jdk.vm.ci.meta.ValueKind; 35 36 /** 37 * This interface can be used to generate LIR for arithmetic and simple memory access operations. 38 * 39 * The setFlags flag in emitAdd, emitSub and emitMul indicates, that the instruction must set the 40 * flags register to be used for a later branch. (On AMD64, the condition codes are set in every 41 * arithmetic instruction, but other architectures optionally set the flags register) If setFlags is 42 * set, the instruction must set the flags register; if false, the instruction may or may not set 43 * the flags register. 44 */ 45 public interface ArithmeticLIRGeneratorTool { 46 47 Value emitNegate(Value input); 48 49 Value emitAdd(Value a, Value b, boolean setFlags); 50 51 Value emitSub(Value a, Value b, boolean setFlags); 52 53 Value emitMul(Value a, Value b, boolean setFlags); 54 55 Value emitMulHigh(Value a, Value b); 56 57 Value emitUMulHigh(Value a, Value b); 58 59 Value emitDiv(Value a, Value b, LIRFrameState state); 60 61 Value emitRem(Value a, Value b, LIRFrameState state); 62 63 Value emitUDiv(Value a, Value b, LIRFrameState state); 64 65 Value emitURem(Value a, Value b, LIRFrameState state); 66 67 Value emitNot(Value input); 68 69 Value emitAnd(Value a, Value b); 70 71 Value emitOr(Value a, Value b); 72 73 Value emitXor(Value a, Value b); 74 75 Value emitShl(Value a, Value b); 76 77 Value emitShr(Value a, Value b); 78 79 Value emitUShr(Value a, Value b); 80 81 Value emitFloatConvert(FloatConvert op, Value inputVal); 82 83 Value emitReinterpret(LIRKind to, Value inputVal); 84 85 Value emitNarrow(Value inputVal, int bits); 86 87 Value emitSignExtend(Value inputVal, int fromBits, int toBits); 88 89 Value emitZeroExtend(Value inputVal, int fromBits, int toBits); 90 91 Value emitMathAbs(Value input); 92 93 Value emitMathSqrt(Value input); 94 95 Value emitBitCount(Value operand); 96 97 Value emitBitScanForward(Value operand); 98 99 Value emitBitScanReverse(Value operand); 100 101 Variable emitLoad(LIRKind kind, Value address, LIRFrameState state); 102 103 void emitStore(ValueKind<?> kind, Value address, Value input, LIRFrameState state); 104 105 @SuppressWarnings("unused") 106 default Value emitFusedMultiplyAdd(Value a, Value b, Value c) { 107 throw GraalError.unimplemented("No specialized implementation available"); 108 } 109 110 @SuppressWarnings("unused") 111 default Value emitMathLog(Value input, boolean base10) { 112 throw GraalError.unimplemented("No specialized implementation available"); 113 } 114 115 @SuppressWarnings("unused") 116 default Value emitMathCos(Value input) { 117 throw GraalError.unimplemented("No specialized implementation available"); 118 } 119 120 @SuppressWarnings("unused") 121 default Value emitMathSin(Value input) { 122 throw GraalError.unimplemented("No specialized implementation available"); 123 } 124 125 @SuppressWarnings("unused") 126 default Value emitMathTan(Value input) { 127 throw GraalError.unimplemented("No specialized implementation available"); 128 } 129 130 @SuppressWarnings("unused") 131 default Value emitMathExp(Value input) { 132 throw GraalError.unimplemented("No specialized implementation available"); 133 } 134 135 @SuppressWarnings("unused") 136 default Value emitMathPow(Value x, Value y) { 137 throw GraalError.unimplemented("No specialized implementation available"); 138 } 139 140 }