1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /** 18 * Tests for MIN/MAX vectorization. 19 */ 20 public class Main { 21 22 /// CHECK-START: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (before) 23 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 24 /// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 25 /// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 26 /// CHECK-DAG: <<Min:i\d+>> InvokeStaticOrDirect [<<Get1>>,<<Get2>>] intrinsic:MathMinIntInt loop:<<Loop>> outer_loop:none 27 /// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Min>>] loop:<<Loop>> outer_loop:none 28 /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none 29 // 30 /// CHECK-START-ARM: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (after) 31 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 32 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 33 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 34 /// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none 35 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none 36 // 37 /// CHECK-START-ARM64: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (after) 38 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 39 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 40 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 41 /// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none 42 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none 43 // 44 /// CHECK-START-MIPS64: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (after) 45 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 46 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 47 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 48 /// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none 49 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none 50 private static void doitMin(byte[] x, byte[] y, byte[] z) { 51 int min = Math.min(x.length, Math.min(y.length, z.length)); 52 for (int i = 0; i < min; i++) { 53 x[i] = (byte) Math.min(y[i], z[i]); 54 } 55 } 56 57 /// CHECK-START-ARM64: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (before) 58 /// CHECK-DAG: <<I255:i\d+>> IntConstant 255 loop:none 59 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 60 /// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 61 /// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 62 /// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<I255>>] loop:<<Loop>> outer_loop:none 63 /// CHECK-DAG: <<And2:i\d+>> And [<<Get2>>,<<I255>>] loop:<<Loop>> outer_loop:none 64 /// CHECK-DAG: <<Min:i\d+>> InvokeStaticOrDirect [<<And1>>,<<And2>>] intrinsic:MathMinIntInt loop:<<Loop>> outer_loop:none 65 /// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Min>>] loop:<<Loop>> outer_loop:none 66 /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none 67 // 68 /// CHECK-START-ARM: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (after) 69 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 70 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 71 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 72 /// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none 73 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none 74 // 75 /// CHECK-START-ARM64: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (after) 76 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 77 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 78 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 79 /// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none 80 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none 81 // 82 /// CHECK-START-MIPS64: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (after) 83 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 84 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 85 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 86 /// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none 87 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none 88 private static void doitMinUnsigned(byte[] x, byte[] y, byte[] z) { 89 int min = Math.min(x.length, Math.min(y.length, z.length)); 90 for (int i = 0; i < min; i++) { 91 x[i] = (byte) Math.min(y[i] & 0xff, z[i] & 0xff); 92 } 93 } 94 95 /// CHECK-START: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (before) 96 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 97 /// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 98 /// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 99 /// CHECK-DAG: <<Max:i\d+>> InvokeStaticOrDirect [<<Get1>>,<<Get2>>] intrinsic:MathMaxIntInt loop:<<Loop>> outer_loop:none 100 /// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Max>>] loop:<<Loop>> outer_loop:none 101 /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none 102 // 103 /// CHECK-START-ARM: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (after) 104 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 105 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 106 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 107 /// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none 108 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none 109 // 110 /// CHECK-START-ARM64: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (after) 111 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 112 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 113 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 114 /// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none 115 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none 116 // 117 /// CHECK-START-MIPS64: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (after) 118 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 119 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 120 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 121 /// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none 122 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none 123 private static void doitMax(byte[] x, byte[] y, byte[] z) { 124 int min = Math.min(x.length, Math.min(y.length, z.length)); 125 for (int i = 0; i < min; i++) { 126 x[i] = (byte) Math.max(y[i], z[i]); 127 } 128 } 129 130 /// CHECK-START-ARM64: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (before) 131 /// CHECK-DAG: <<I255:i\d+>> IntConstant 255 loop:none 132 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 133 /// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 134 /// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none 135 /// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<I255>>] loop:<<Loop>> outer_loop:none 136 /// CHECK-DAG: <<And2:i\d+>> And [<<Get2>>,<<I255>>] loop:<<Loop>> outer_loop:none 137 /// CHECK-DAG: <<Max:i\d+>> InvokeStaticOrDirect [<<And1>>,<<And2>>] intrinsic:MathMaxIntInt loop:<<Loop>> outer_loop:none 138 /// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Max>>] loop:<<Loop>> outer_loop:none 139 /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none 140 // 141 /// CHECK-START-ARM: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (after) 142 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 143 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 144 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 145 /// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none 146 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none 147 // 148 /// CHECK-START-ARM64: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (after) 149 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 150 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 151 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 152 /// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none 153 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none 154 // 155 /// CHECK-START-MIPS64: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (after) 156 /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none 157 /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 158 /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none 159 /// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none 160 /// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none 161 private static void doitMaxUnsigned(byte[] x, byte[] y, byte[] z) { 162 int min = Math.min(x.length, Math.min(y.length, z.length)); 163 for (int i = 0; i < min; i++) { 164 x[i] = (byte) Math.max(y[i] & 0xff, z[i] & 0xff); 165 } 166 } 167 168 public static void main(String[] args) { 169 // Initialize cross-values for all possible values. 170 int total = 256 * 256; 171 byte[] x = new byte[total]; 172 byte[] y = new byte[total]; 173 byte[] z = new byte[total]; 174 int k = 0; 175 for (int i = 0; i < 256; i++) { 176 for (int j = 0; j < 256; j++) { 177 x[k] = 0; 178 y[k] = (byte) i; 179 z[k] = (byte) j; 180 k++; 181 } 182 } 183 184 // And test. 185 doitMin(x, y, z); 186 for (int i = 0; i < total; i++) { 187 byte expected = (byte) Math.min(y[i], z[i]); 188 expectEquals(expected, x[i]); 189 } 190 doitMinUnsigned(x, y, z); 191 for (int i = 0; i < total; i++) { 192 byte expected = (byte) Math.min(y[i] & 0xff, z[i] & 0xff); 193 expectEquals(expected, x[i]); 194 } 195 doitMax(x, y, z); 196 for (int i = 0; i < total; i++) { 197 byte expected = (byte) Math.max(y[i], z[i]); 198 expectEquals(expected, x[i]); 199 } 200 doitMaxUnsigned(x, y, z); 201 for (int i = 0; i < total; i++) { 202 byte expected = (byte) Math.max(y[i] & 0xff, z[i] & 0xff); 203 expectEquals(expected, x[i]); 204 } 205 206 System.out.println("passed"); 207 } 208 209 private static void expectEquals(byte expected, byte result) { 210 if (expected != result) { 211 throw new Error("Expected: " + expected + ", found: " + result); 212 } 213 } 214 } 215
