1 /* 2 * Copyright (c) 2013, 2015, 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 package org.graalvm.compiler.lir.gen; 24 25 import org.graalvm.compiler.core.common.LIRKind; 26 import org.graalvm.compiler.core.common.calc.FloatConvert; 27 import org.graalvm.compiler.debug.GraalError; 28 import org.graalvm.compiler.lir.LIRFrameState; 29 import org.graalvm.compiler.lir.Variable; 30 31 import jdk.vm.ci.meta.Value; 32 import jdk.vm.ci.meta.ValueKind; 33 34 /** 35 * This interface can be used to generate LIR for arithmetic and simple memory access operations. 36 * 37 * The setFlags flag in emitAdd, emitSub and emitMul indicates, that the instruction must set the 38 * flags register to be used for a later branch. (On AMD64, the condition codes are set in every 39 * arithmetic instruction, but other architectures optionally set the flags register) If setFlags is 40 * set, the instruction must set the flags register; if false, the instruction may or may not set 41 * the flags register. 42 */ 43 public interface ArithmeticLIRGeneratorTool { 44 45 Value emitNegate(Value input); 46 47 Value emitAdd(Value a, Value b, boolean setFlags); 48 49 Value emitSub(Value a, Value b, boolean setFlags); 50 51 Value emitMul(Value a, Value b, boolean setFlags); 52 53 Value emitMulHigh(Value a, Value b); 54 55 Value emitUMulHigh(Value a, Value b); 56 57 Value emitDiv(Value a, Value b, LIRFrameState state); 58 59 Value emitRem(Value a, Value b, LIRFrameState state); 60 61 Value emitUDiv(Value a, Value b, LIRFrameState state); 62 63 Value emitURem(Value a, Value b, LIRFrameState state); 64 65 Value emitNot(Value input); 66 67 Value emitAnd(Value a, Value b); 68 69 Value emitOr(Value a, Value b); 70 71 Value emitXor(Value a, Value b); 72 73 Value emitShl(Value a, Value b); 74 75 Value emitShr(Value a, Value b); 76 77 Value emitUShr(Value a, Value b); 78 79 Value emitFloatConvert(FloatConvert op, Value inputVal); 80 81 Value emitReinterpret(LIRKind to, Value inputVal); 82 83 Value emitNarrow(Value inputVal, int bits); 84 85 Value emitSignExtend(Value inputVal, int fromBits, int toBits); 86 87 Value emitZeroExtend(Value inputVal, int fromBits, int toBits); 88 89 Value emitMathAbs(Value input); 90 91 Value emitMathSqrt(Value input); 92 93 Value emitBitCount(Value operand); 94 95 Value emitBitScanForward(Value operand); 96 97 Value emitBitScanReverse(Value operand); 98 99 Variable emitLoad(LIRKind kind, Value address, LIRFrameState state); 100 101 void emitStore(ValueKind<?> kind, Value address, Value input, LIRFrameState state); 102 103 @SuppressWarnings("unused") 104 default Value emitMathLog(Value input, boolean base10) { 105 throw GraalError.unimplemented("No specialized implementation available"); 106 } 107 108 @SuppressWarnings("unused") 109 default Value emitMathCos(Value input) { 110 throw GraalError.unimplemented("No specialized implementation available"); 111 } 112 113 @SuppressWarnings("unused") 114 default Value emitMathSin(Value input) { 115 throw GraalError.unimplemented("No specialized implementation available"); 116 } 117 118 @SuppressWarnings("unused") 119 default Value emitMathTan(Value input) { 120 throw GraalError.unimplemented("No specialized implementation available"); 121 } 122 123 @SuppressWarnings("unused") 124 default Value emitMathExp(Value input) { 125 throw GraalError.unimplemented("No specialized implementation available"); 126 } 127 128 @SuppressWarnings("unused") 129 default Value emitMathPow(Value x, Value y) { 130 throw GraalError.unimplemented("No specialized implementation available"); 131 } 132 133 }