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 SAD (sum of absolute differences). 19 * 20 * Special case, char array that is first casted to short, forcing sign extension. 21 */ 22 public class SimdSadShort2 { 23 24 // TODO: lower precision still coming, b/64091002 25 sadCastedChar2Short(char[] s1, char[] s2)26 private static short sadCastedChar2Short(char[] s1, char[] s2) { 27 int min_length = Math.min(s1.length, s2.length); 28 short sad = 0; 29 for (int i = 0; i < min_length; i++) { 30 sad += Math.abs(((short) s1[i]) - ((short) s2[i])); 31 } 32 return sad; 33 } 34 sadCastedChar2ShortAlt(char[] s1, char[] s2)35 private static short sadCastedChar2ShortAlt(char[] s1, char[] s2) { 36 int min_length = Math.min(s1.length, s2.length); 37 short sad = 0; 38 for (int i = 0; i < min_length; i++) { 39 short s = (short) s1[i]; 40 short p = (short) s2[i]; 41 sad += s >= p ? s - p : p - s; 42 } 43 return sad; 44 } 45 sadCastedChar2ShortAlt2(char[] s1, char[] s2)46 private static short sadCastedChar2ShortAlt2(char[] s1, char[] s2) { 47 int min_length = Math.min(s1.length, s2.length); 48 short sad = 0; 49 for (int i = 0; i < min_length; i++) { 50 short s = (short) s1[i]; 51 short p = (short) s2[i]; 52 int x = s - p; 53 if (x < 0) x = -x; 54 sad += x; 55 } 56 return sad; 57 } 58 59 /// CHECK-START: int SimdSadShort2.sadCastedChar2Int(char[], char[]) instruction_simplifier (before) 60 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 61 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 62 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 63 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 64 /// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 65 /// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 66 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none 67 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none 68 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 69 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 70 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none 71 /// CHECK-DAG: <<Abs:i\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 72 /// CHECK-DAG: Add [<<Phi2>>,<<Abs>>] loop:<<Loop>> outer_loop:none 73 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 74 // 75 /// CHECK-START: int SimdSadShort2.sadCastedChar2Int(char[], char[]) loop_optimization (before) 76 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 77 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 78 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 79 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 80 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 81 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 82 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none 83 /// CHECK-DAG: <<Abs:i\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 84 /// CHECK-DAG: Add [<<Phi2>>,<<Abs>>] loop:<<Loop>> outer_loop:none 85 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 86 // 87 /// CHECK-START-ARM64: int SimdSadShort2.sadCastedChar2Int(char[], char[]) loop_optimization (after) 88 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 89 /// CHECK-IF: hasIsaFeature("sve") 90 // 91 // SAD idiom is not supported for SVE. 92 /// CHECK-NOT: VecSADAccumulate 93 // 94 /// CHECK-ELSE: 95 // 96 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none 97 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none 98 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 99 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none 100 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 101 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 102 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none 103 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none 104 // 105 /// CHECK-FI: sadCastedChar2Int(char[] s1, char[] s2)106 private static int sadCastedChar2Int(char[] s1, char[] s2) { 107 int min_length = Math.min(s1.length, s2.length); 108 int sad = 0; 109 for (int i = 0; i < min_length; i++) { 110 sad += Math.abs(((short) s1[i]) - ((short) s2[i])); 111 } 112 return sad; 113 } 114 115 /// CHECK-START: int SimdSadShort2.sadCastedChar2IntAlt(char[], char[]) instruction_simplifier (before) 116 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 117 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 118 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 119 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 120 /// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 121 /// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 122 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none 123 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none 124 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 125 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 126 /// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Cnv2>>,<<Cnv1>>] loop:<<Loop>> outer_loop:none 127 /// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none 128 /// CHECK-DAG: <<Phi3:i\d+>> Phi [<<Sub2>>,<<Sub1>>] loop:<<Loop>> outer_loop:none 129 /// CHECK-DAG: Add [<<Phi2>>,<<Phi3>>] loop:<<Loop>> outer_loop:none 130 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 131 // 132 /// CHECK-START: int SimdSadShort2.sadCastedChar2IntAlt(char[], char[]) loop_optimization (before) 133 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 134 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 135 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 136 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 137 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 138 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 139 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Get2>>,<<Get1>>] loop:<<Loop>> outer_loop:none 140 /// CHECK-DAG: <<Intrin:i\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 141 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none 142 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 143 // 144 /// CHECK-START-ARM64: int SimdSadShort2.sadCastedChar2IntAlt(char[], char[]) loop_optimization (after) 145 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 146 /// CHECK-IF: hasIsaFeature("sve") 147 // 148 // SAD idiom is not supported for SVE. 149 /// CHECK-NOT: VecSADAccumulate 150 // 151 /// CHECK-ELSE: 152 // 153 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none 154 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none 155 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 156 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none 157 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 158 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 159 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load2>>,<<Load1>>] loop:<<Loop>> outer_loop:none 160 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none 161 // 162 /// CHECK-FI: sadCastedChar2IntAlt(char[] s1, char[] s2)163 private static int sadCastedChar2IntAlt(char[] s1, char[] s2) { 164 int min_length = Math.min(s1.length, s2.length); 165 int sad = 0; 166 for (int i = 0; i < min_length; i++) { 167 short s = (short) s1[i]; 168 short p = (short) s2[i]; 169 sad += s >= p ? s - p : p - s; 170 } 171 return sad; 172 } 173 174 /// CHECK-START: int SimdSadShort2.sadCastedChar2IntAlt2(char[], char[]) instruction_simplifier (before) 175 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 176 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 177 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 178 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 179 /// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 180 /// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 181 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none 182 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none 183 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 184 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 185 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none 186 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Sub>>] loop:<<Loop>> outer_loop:none 187 /// CHECK-DAG: <<Phi3:i\d+>> Phi [<<Sub>>,<<Neg>>] loop:<<Loop>> outer_loop:none 188 /// CHECK-DAG: Add [<<Phi2>>,<<Phi3>>] loop:<<Loop>> outer_loop:none 189 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 190 // 191 /// CHECK-START: int SimdSadShort2.sadCastedChar2IntAlt2(char[], char[]) loop_optimization (before) 192 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 193 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 194 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 195 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 196 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 197 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 198 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none 199 /// CHECK-DAG: <<Intrin:i\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 200 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none 201 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 202 // 203 /// CHECK-START-ARM64: int SimdSadShort2.sadCastedChar2IntAlt2(char[], char[]) loop_optimization (after) 204 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 205 /// CHECK-IF: hasIsaFeature("sve") 206 // 207 // SAD idiom is not supported for SVE. 208 /// CHECK-NOT: VecSADAccumulate 209 // 210 /// CHECK-ELSE: 211 // 212 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none 213 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none 214 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 215 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none 216 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 217 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 218 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none 219 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none 220 // 221 /// CHECK-FI: sadCastedChar2IntAlt2(char[] s1, char[] s2)222 private static int sadCastedChar2IntAlt2(char[] s1, char[] s2) { 223 int min_length = Math.min(s1.length, s2.length); 224 int sad = 0; 225 for (int i = 0; i < min_length; i++) { 226 short s = (short) s1[i]; 227 short p = (short) s2[i]; 228 int x = s - p; 229 if (x < 0) x = -x; 230 sad += x; 231 } 232 return sad; 233 } 234 235 /// CHECK-START: long SimdSadShort2.sadCastedChar2Long(char[], char[]) instruction_simplifier (before) 236 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 237 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 238 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none 239 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 240 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none 241 /// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 242 /// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 243 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none 244 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none 245 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 246 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 247 /// CHECK-DAG: <<Cnv3:j\d+>> TypeConversion [<<Cnv1>>] loop:<<Loop>> outer_loop:none 248 /// CHECK-DAG: <<Cnv4:j\d+>> TypeConversion [<<Cnv2>>] loop:<<Loop>> outer_loop:none 249 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv3>>,<<Cnv4>>] loop:<<Loop>> outer_loop:none 250 /// CHECK-DAG: <<Abs:j\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 251 /// CHECK-DAG: Add [<<Phi2>>,<<Abs>>] loop:<<Loop>> outer_loop:none 252 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 253 // 254 /// CHECK-START: long SimdSadShort2.sadCastedChar2Long(char[], char[]) loop_optimization (before) 255 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 256 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 257 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none 258 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 259 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none 260 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 261 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 262 /// CHECK-DAG: <<Cnv1:j\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 263 /// CHECK-DAG: <<Cnv2:j\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 264 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none 265 /// CHECK-DAG: <<Abs:j\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 266 /// CHECK-DAG: Add [<<Phi2>>,<<Abs>>] loop:<<Loop>> outer_loop:none 267 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 268 // 269 /// CHECK-START-ARM64: long SimdSadShort2.sadCastedChar2Long(char[], char[]) loop_optimization (after) 270 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 271 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none 272 /// CHECK-IF: hasIsaFeature("sve") 273 // 274 // SAD idiom is not supported for SVE. 275 /// CHECK-NOT: VecSADAccumulate 276 // 277 /// CHECK-ELSE: 278 // 279 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none 280 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<ConsL>>] loop:none 281 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 282 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none 283 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 284 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 285 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none 286 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none 287 // 288 /// CHECK-FI: sadCastedChar2Long(char[] s1, char[] s2)289 private static long sadCastedChar2Long(char[] s1, char[] s2) { 290 int min_length = Math.min(s1.length, s2.length); 291 long sad = 0; 292 for (int i = 0; i < min_length; i++) { 293 long x = (short) s1[i]; 294 long y = (short) s2[i]; 295 sad += Math.abs(x - y); 296 } 297 return sad; 298 } 299 300 /// CHECK-START: long SimdSadShort2.sadCastedChar2LongAt1(char[], char[]) instruction_simplifier (before) 301 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 302 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 303 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none 304 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 305 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none 306 /// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 307 /// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none 308 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none 309 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none 310 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 311 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 312 /// CHECK-DAG: <<Cnv3:j\d+>> TypeConversion [<<Cnv1>>] loop:<<Loop>> outer_loop:none 313 /// CHECK-DAG: <<Cnv4:j\d+>> TypeConversion [<<Cnv2>>] loop:<<Loop>> outer_loop:none 314 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv3>>,<<Cnv4>>] loop:<<Loop>> outer_loop:none 315 /// CHECK-DAG: <<Abs:j\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 316 /// CHECK-DAG: Add [<<Phi2>>,<<Abs>>] loop:<<Loop>> outer_loop:none 317 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 318 // 319 /// CHECK-START: long SimdSadShort2.sadCastedChar2LongAt1(char[], char[]) loop_optimization (before) 320 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 321 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none 322 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none 323 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 324 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none 325 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 326 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 327 /// CHECK-DAG: <<Cnv1:j\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none 328 /// CHECK-DAG: <<Cnv2:j\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none 329 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none 330 /// CHECK-DAG: <<Abs:j\d+>> Abs [<<Sub>>] loop:<<Loop>> outer_loop:none 331 /// CHECK-DAG: Add [<<Phi2>>,<<Abs>>] loop:<<Loop>> outer_loop:none 332 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none 333 // 334 /// CHECK-START-ARM64: long SimdSadShort2.sadCastedChar2LongAt1(char[], char[]) loop_optimization (after) 335 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none 336 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none 337 /// CHECK-IF: hasIsaFeature("sve") 338 // 339 // SAD idiom is not supported for SVE. 340 /// CHECK-NOT: VecSADAccumulate 341 // 342 /// CHECK-ELSE: 343 // 344 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none 345 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<ConsL>>] loop:none 346 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none 347 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none 348 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 349 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none 350 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none 351 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none 352 // 353 /// CHECK-FI: sadCastedChar2LongAt1(char[] s1, char[] s2)354 private static long sadCastedChar2LongAt1(char[] s1, char[] s2) { 355 int min_length = Math.min(s1.length, s2.length); 356 long sad = 1; // starts at 1 357 for (int i = 0; i < min_length; i++) { 358 long x = (short) s1[i]; 359 long y = (short) s2[i]; 360 sad += Math.abs(x - y); 361 } 362 return sad; 363 } 364 main()365 public static void main() { 366 // Cross-test the two most extreme values individually. 367 char[] s1 = { 0, 0x8000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 368 char[] s2 = { 0, 0x7fff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 369 expectEquals(-1, sadCastedChar2Short(s1, s2)); 370 expectEquals(-1, sadCastedChar2Short(s2, s1)); 371 expectEquals(-1, sadCastedChar2ShortAlt(s1, s2)); 372 expectEquals(-1, sadCastedChar2ShortAlt(s2, s1)); 373 expectEquals(-1, sadCastedChar2ShortAlt2(s1, s2)); 374 expectEquals(-1, sadCastedChar2ShortAlt2(s2, s1)); 375 expectEquals(65535, sadCastedChar2Int(s1, s2)); 376 expectEquals(65535, sadCastedChar2Int(s2, s1)); 377 expectEquals(65535, sadCastedChar2IntAlt(s1, s2)); 378 expectEquals(65535, sadCastedChar2IntAlt(s2, s1)); 379 expectEquals(65535, sadCastedChar2IntAlt2(s1, s2)); 380 expectEquals(65535, sadCastedChar2IntAlt2(s2, s1)); 381 expectEquals(65535L, sadCastedChar2Long(s1, s2)); 382 expectEquals(65535L, sadCastedChar2Long(s2, s1)); 383 expectEquals(65536L, sadCastedChar2LongAt1(s1, s2)); 384 expectEquals(65536L, sadCastedChar2LongAt1(s2, s1)); 385 386 // Use cross-values to test all cases. 387 char[] interesting = { 388 (char) 0x0000, 389 (char) 0x0001, 390 (char) 0x0002, 391 (char) 0x1234, 392 (char) 0x8000, 393 (char) 0x8001, 394 (char) 0x7fff, 395 (char) 0xffff 396 }; 397 int n = interesting.length; 398 int m = n * n + 1; 399 s1 = new char[m]; 400 s2 = new char[m]; 401 int k = 0; 402 for (int i = 0; i < n; i++) { 403 for (int j = 0; j < n; j++) { 404 s1[k] = interesting[i]; 405 s2[k] = interesting[j]; 406 k++; 407 } 408 } 409 s1[k] = 10; 410 s2[k] = 2; 411 expectEquals(-18932, sadCastedChar2Short(s1, s2)); 412 expectEquals(-18932, sadCastedChar2ShortAlt(s1, s2)); 413 expectEquals(-18932, sadCastedChar2ShortAlt2(s1, s2)); 414 expectEquals(1291788, sadCastedChar2Int(s1, s2)); 415 expectEquals(1291788, sadCastedChar2IntAlt(s1, s2)); 416 expectEquals(1291788, sadCastedChar2IntAlt2(s1, s2)); 417 expectEquals(1291788L, sadCastedChar2Long(s1, s2)); 418 expectEquals(1291789L, sadCastedChar2LongAt1(s1, s2)); 419 420 System.out.println("SimdSadShort2 passed"); 421 } 422 expectEquals(int expected, int result)423 private static void expectEquals(int expected, int result) { 424 if (expected != result) { 425 throw new Error("Expected: " + expected + ", found: " + result); 426 } 427 } 428 expectEquals(long expected, long result)429 private static void expectEquals(long expected, long result) { 430 if (expected != result) { 431 throw new Error("Expected: " + expected + ", found: " + result); 432 } 433 } 434 } 435