19aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle/* 29aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * Copyright (C) 2014 The Android Open Source Project 39aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * 49aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * Licensed under the Apache License, Version 2.0 (the "License"); 59aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * you may not use this file except in compliance with the License. 69aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * You may obtain a copy of the License at 79aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * 89aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * http://www.apache.org/licenses/LICENSE-2.0 99aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * 109aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * Unless required by applicable law or agreed to in writing, software 119aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * distributed under the License is distributed on an "AS IS" BASIS, 129aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * See the License for the specific language governing permissions and 149aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle * limitations under the License. 159aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle */ 169aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 179aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravlepublic class Main { 189aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 199aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle public static void expectEquals(int expected, int result) { 209aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle if (expected != result) { 219aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle throw new Error("Expected: " + expected + ", found: " + result); 229aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 239aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 249aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 259aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle public static void expectEquals(long expected, long result) { 269aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle if (expected != result) { 279aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle throw new Error("Expected: " + expected + ", found: " + result); 289aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 299aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 309aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 319aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle public static void main(String[] args) { 329b57966e341cd9937c2ef825986e268fda150374Roland Levillain testShlInt(); 339b57966e341cd9937c2ef825986e268fda150374Roland Levillain testShlLong(); 349b57966e341cd9937c2ef825986e268fda150374Roland Levillain testShrInt(); 359b57966e341cd9937c2ef825986e268fda150374Roland Levillain testShrLong(); 369b57966e341cd9937c2ef825986e268fda150374Roland Levillain testUShrInt(); 379b57966e341cd9937c2ef825986e268fda150374Roland Levillain testUShrLong(); 389aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 399aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 409b57966e341cd9937c2ef825986e268fda150374Roland Levillain private static void testShlInt() { 419b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(48, $opt$ShlIntConst2(12)); 429b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(12, $opt$ShlIntConst0(12)); 439b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-48, $opt$ShlInt(-12, 2)); 449b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1024, $opt$ShlInt(32, 5)); 459aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 469b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShlInt(7, 0)); 479b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(14, $opt$ShlInt(7, 1)); 489b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$ShlInt(0, 30)); 499aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 509b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1073741824L, $opt$ShlInt(1, 30)); 519b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Integer.MIN_VALUE, $opt$ShlInt(1, 31)); // overflow 529b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Integer.MIN_VALUE, $opt$ShlInt(1073741824, 1)); // overflow 539b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1073741824, $opt$ShlInt(268435456, 2)); 549aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 55ba56d060116d6e145be348fa575314654c6b0572Mark Mendell // Only the 5 lower bits should be used for shifting (& 0x1f). 569b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShlInt(7, 32)); // 32 & 0x1f = 0 579b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(14, $opt$ShlInt(7, 33)); // 33 & 0x1f = 1 589b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(32, $opt$ShlInt(1, 101)); // 101 & 0x1f = 5 599aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 609b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Integer.MIN_VALUE, $opt$ShlInt(1, -1)); // -1 & 0x1f = 31 619b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(14, $opt$ShlInt(7, -31)); // -31 & 0x1f = 1 629b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShlInt(7, -32)); // -32 & 0x1f = 0 639b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-536870912, $opt$ShlInt(7, -3)); // -3 & 0x1f = 29 649aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 659b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Integer.MIN_VALUE, $opt$ShlInt(7, Integer.MAX_VALUE)); 669b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShlInt(7, Integer.MIN_VALUE)); 679aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 689aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 699b57966e341cd9937c2ef825986e268fda150374Roland Levillain private static void testShlLong() { 709b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(48L, $opt$ShlLongConst2(12L)); 719b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(12L, $opt$ShlLongConst0(12L)); 729b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-48L, $opt$ShlLong(-12L, 2)); 739b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1024L, $opt$ShlLong(32L, 5)); 749aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 759b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShlLong(7L, 0)); 769b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(14L, $opt$ShlLong(7L, 1)); 779b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$ShlLong(0L, 30)); 789aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 799b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1073741824L, $opt$ShlLong(1L, 30)); 809b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(2147483648L, $opt$ShlLong(1L, 31)); 819b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(2147483648L, $opt$ShlLong(1073741824L, 1)); 829aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 839aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Long shifts can use up to 6 lower bits. 849b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(4294967296L, $opt$ShlLong(1L, 32)); 859b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(60129542144L, $opt$ShlLong(7L, 33)); 869b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Long.MIN_VALUE, $opt$ShlLong(1L, 63)); // overflow 879aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 889aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Only the 6 lower bits should be used for shifting (& 0x3f). 899b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShlLong(7L, 64)); // 64 & 0x3f = 0 909b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(14L, $opt$ShlLong(7L, 65)); // 65 & 0x3f = 1 919b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(137438953472L, $opt$ShlLong(1L, 101)); // 101 & 0x3f = 37 929aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 939b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Long.MIN_VALUE, $opt$ShlLong(1L, -1)); // -1 & 0x3f = 63 949b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(14L, $opt$ShlLong(7L, -63)); // -63 & 0x3f = 1 959b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShlLong(7L, -64)); // -64 & 0x3f = 0 969b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(2305843009213693952L, $opt$ShlLong(1L, -3)); // -3 & 0x3f = 61 979aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 989b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(Long.MIN_VALUE, $opt$ShlLong(7L, Integer.MAX_VALUE)); 999b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShlLong(7L, Integer.MIN_VALUE)); 100ba56d060116d6e145be348fa575314654c6b0572Mark Mendell 101ba56d060116d6e145be348fa575314654c6b0572Mark Mendell // Exercise some special cases handled by backends/simplifier. 1029b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(24L, $opt$ShlLongConst1(12L)); 1039b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0x2345678900000000L, $opt$ShlLongConst32(0x123456789L)); 1049b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0x2490249000000000L, $opt$ShlLongConst33(0x12481248L)); 1059b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0x4920492000000000L, $opt$ShlLongConst34(0x12481248L)); 1069b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0x9240924000000000L, $opt$ShlLongConst35(0x12481248L)); 1079aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 1089aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1099b57966e341cd9937c2ef825986e268fda150374Roland Levillain private static void testShrInt() { 1109b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$ShrIntConst2(12)); 1119b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(12, $opt$ShrIntConst0(12)); 1129b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-3, $opt$ShrInt(-12, 2)); 1139b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1, $opt$ShrInt(32, 5)); 1149aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1159b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShrInt(7, 0)); 1169b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$ShrInt(7, 1)); 1179b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$ShrInt(0, 30)); 1189b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$ShrInt(1, 30)); 1199b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-1, $opt$ShrInt(-1, 30)); 1209aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1219b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$ShrInt(Integer.MAX_VALUE, 31)); 1229b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-1, $opt$ShrInt(Integer.MIN_VALUE, 31)); 1239aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1249aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Only the 5 lower bits should be used for shifting (& 0x1f). 1259b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShrInt(7, 32)); // 32 & 0x1f = 0 1269b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$ShrInt(7, 33)); // 33 & 0x1f = 1 1279aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1289b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$ShrInt(1, -1)); // -1 & 0x1f = 31 1299b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$ShrInt(7, -31)); // -31 & 0x1f = 1 1309b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShrInt(7, -32)); // -32 & 0x1f = 0 1319b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-4, $opt$ShrInt(Integer.MIN_VALUE, -3)); // -3 & 0x1f = 29 1329aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1339b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$ShrInt(7, Integer.MAX_VALUE)); 1349b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$ShrInt(7, Integer.MIN_VALUE)); 1359aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 1369aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1379b57966e341cd9937c2ef825986e268fda150374Roland Levillain private static void testShrLong() { 1389b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$ShrLongConst2(12L)); 1399b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(12L, $opt$ShrLongConst0(12L)); 1409b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-3L, $opt$ShrLong(-12L, 2)); 1419b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1, $opt$ShrLong(32, 5)); 1429aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1439b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShrLong(7L, 0)); 1449b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$ShrLong(7L, 1)); 1459b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$ShrLong(0L, 30)); 1469b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$ShrLong(1L, 30)); 1479b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-1L, $opt$ShrLong(-1L, 30)); 1489aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1499b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$ShrLong(1073741824L, 30)); 1509b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$ShrLong(2147483648L, 31)); 1519b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1073741824L, $opt$ShrLong(2147483648L, 1)); 1529aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1539aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Long shifts can use up to 6 lower bits. 1549b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$ShrLong(4294967296L, 32)); 1559b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShrLong(60129542144L, 33)); 1569b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$ShrLong(Long.MAX_VALUE, 63)); 1579b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-1L, $opt$ShrLong(Long.MIN_VALUE, 63)); 1589aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1599aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Only the 6 lower bits should be used for shifting (& 0x3f). 1609b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShrLong(7L, 64)); // 64 & 0x3f = 0 1619b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$ShrLong(7L, 65)); // 65 & 0x3f = 1 1629aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1639b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-1L, $opt$ShrLong(Long.MIN_VALUE, -1)); // -1 & 0x3f = 63 1649b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$ShrLong(7L, -63)); // -63 & 0x3f = 1 1659b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShrLong(7L, -64)); // -64 & 0x3f = 0 1669b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$ShrLong(2305843009213693952L, -3)); // -3 & 0x3f = 61 1679b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(-1L, $opt$ShrLong(Integer.MIN_VALUE, -3)); // -3 & 0x1f = 29 1689aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1699b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$ShrLong(7L, Integer.MAX_VALUE)); 1709b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$ShrLong(7L, Integer.MIN_VALUE)); 1719aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 1729aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1739b57966e341cd9937c2ef825986e268fda150374Roland Levillain private static void testUShrInt() { 1749b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$UShrIntConst2(12)); 1759b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(12, $opt$UShrIntConst0(12)); 1769b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1073741821, $opt$UShrInt(-12, 2)); 1779b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1, $opt$UShrInt(32, 5)); 1789aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1799b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$UShrInt(7, 0)); 1809b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$UShrInt(7, 1)); 1819b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$UShrInt(0, 30)); 1829b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$UShrInt(1, 30)); 1839b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$UShrInt(-1, 30)); 1849aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1859b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$UShrInt(Integer.MAX_VALUE, 31)); 1869b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1, $opt$UShrInt(Integer.MIN_VALUE, 31)); 1879aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1889aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Only the 5 lower bits should be used for shifting (& 0x1f). 1899b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$UShrInt(7, 32)); // 32 & 0x1f = 0 1909b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$UShrInt(7, 33)); // 33 & 0x1f = 1 1919aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1929b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$UShrInt(1, -1)); // -1 & 0x1f = 31 1939b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3, $opt$UShrInt(7, -31)); // -31 & 0x1f = 1 1949b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$UShrInt(7, -32)); // -32 & 0x1f = 0 1959b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(4, $opt$UShrInt(Integer.MIN_VALUE, -3)); // -3 & 0x1f = 29 1969aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 1979b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0, $opt$UShrInt(7, Integer.MAX_VALUE)); 1989b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7, $opt$UShrInt(7, Integer.MIN_VALUE)); 1999aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2009aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2019b57966e341cd9937c2ef825986e268fda150374Roland Levillain private static void testUShrLong() { 2029b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$UShrLongConst2(12L)); 2039b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(12L, $opt$UShrLongConst0(12L)); 2049b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(4611686018427387901L, $opt$UShrLong(-12L, 2)); 2059b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1, $opt$UShrLong(32, 5)); 2069aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2079b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$UShrLong(7L, 0)); 2089b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$UShrLong(7L, 1)); 2099b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$UShrLong(0L, 30)); 2109b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$UShrLong(1L, 30)); 2119b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(17179869183L, $opt$UShrLong(-1L, 30)); 2129aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2139b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$UShrLong(1073741824L, 30)); 2149b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$UShrLong(2147483648L, 31)); 2159b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1073741824L, $opt$UShrLong(2147483648L, 1)); 2169aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2178c3961a4b7916ec570c8f90b8f277b6f67470276Calin Juravle // Long shifts can use use up to 6 lower bits. 2189b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$UShrLong(4294967296L, 32)); 2199b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$UShrLong(60129542144L, 33)); 2209b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$UShrLong(Long.MAX_VALUE, 63)); 2219b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$UShrLong(Long.MIN_VALUE, 63)); 2229aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2239aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle // Only the 6 lower bits should be used for shifting (& 0x3f). 2249b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$UShrLong(7L, 64)); // 64 & 0x3f = 0 2259b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$UShrLong(7L, 65)); // 65 & 0x3f = 1 2269aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2279b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$UShrLong(Long.MIN_VALUE, -1)); // -1 & 0x3f = 63 2289b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(3L, $opt$UShrLong(7L, -63)); // -63 & 0x3f = 1 2299b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$UShrLong(7L, -64)); // -64 & 0x3f = 0 2309b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(1L, $opt$UShrLong(2305843009213693952L, -3)); // -3 & 0x3f = 61 2319b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(4L, $opt$UShrLong(Long.MIN_VALUE, -3)); // -3 & 0x3f = 61 2329aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2339b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(0L, $opt$UShrLong(7L, Integer.MAX_VALUE)); 2349b57966e341cd9937c2ef825986e268fda150374Roland Levillain expectEquals(7L, $opt$UShrLong(7L, Integer.MIN_VALUE)); 2359aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2369aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2379b57966e341cd9937c2ef825986e268fda150374Roland Levillain 2389b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$ShlInt(int value, int distance) { 2399b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << distance; 2409aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2419aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2429b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLong(long value, int distance) { 2439b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << distance; 2449aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2459aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2469b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$ShrInt(int value, int distance) { 2479b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >> distance; 2489aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2499aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2509b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShrLong(long value, int distance) { 2519b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >> distance; 2529aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2539aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2549b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$UShrInt(int value, int distance) { 2559b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >>> distance; 2569aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2579aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2589b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$UShrLong(long value, int distance) { 2599b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >>> distance; 2609aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2619aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2629b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$ShlIntConst2(int value) { 2639b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 2; 2649aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2659aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2669b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst2(long value) { 2679b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 2; 2689aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2699aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2709b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$ShrIntConst2(int value) { 2719b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >> 2; 2729aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2739aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2749b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShrLongConst2(long value) { 2759b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >> 2; 2769aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2779aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2789b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$UShrIntConst2(int value) { 2799b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >>> 2; 2809aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2819aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2829b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$UShrLongConst2(long value) { 2839b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >>> 2; 2849aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2859aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2869b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$ShlIntConst0(int value) { 2879b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 0; 2889aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2899aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2909b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst0(long value) { 2919b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 0; 2929aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2939aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2949b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$ShrIntConst0(int value) { 2959b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >> 0; 2969aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 2979aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 2989b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShrLongConst0(long value) { 2999b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >> 0; 3009aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 3019aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 3029b57966e341cd9937c2ef825986e268fda150374Roland Levillain static int $opt$UShrIntConst0(int value) { 3039b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >>> 0; 3049aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 3059aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 3069b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$UShrLongConst0(long value) { 3079b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value >>> 0; 3089aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle } 3099aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle 3109b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst1(long value) { 3119b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 1; 312ba56d060116d6e145be348fa575314654c6b0572Mark Mendell } 313ba56d060116d6e145be348fa575314654c6b0572Mark Mendell 3149b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst32(long value) { 3159b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 32; 316ba56d060116d6e145be348fa575314654c6b0572Mark Mendell } 317ba56d060116d6e145be348fa575314654c6b0572Mark Mendell 3189b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst33(long value) { 3199b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 33; 320ba56d060116d6e145be348fa575314654c6b0572Mark Mendell } 321ba56d060116d6e145be348fa575314654c6b0572Mark Mendell 3229b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst34(long value) { 3239b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 34; 324ba56d060116d6e145be348fa575314654c6b0572Mark Mendell } 325ba56d060116d6e145be348fa575314654c6b0572Mark Mendell 3269b57966e341cd9937c2ef825986e268fda150374Roland Levillain static long $opt$ShlLongConst35(long value) { 3279b57966e341cd9937c2ef825986e268fda150374Roland Levillain return value << 35; 328ba56d060116d6e145be348fa575314654c6b0572Mark Mendell } 329ba56d060116d6e145be348fa575314654c6b0572Mark Mendell 3309aec02fc5df5518c16f1e5a9b6cb198a192db973Calin Juravle} 331