Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 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 | * Functional tests for SIMD vectorization. |
| 19 | */ |
| 20 | public class Main { |
| 21 | |
| 22 | static int[] a; |
| 23 | |
| 24 | // |
| 25 | // Arithmetic operations. |
| 26 | // |
| 27 | |
| 28 | /// CHECK-START: void Main.add(int) loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 29 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 30 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 31 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 32 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.add(int) loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 33 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 34 | /// CHECK-DAG: VecAdd loop:<<Loop>> outer_loop:none |
| 35 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 36 | static void add(int x) { |
| 37 | for (int i = 0; i < 128; i++) |
| 38 | a[i] += x; |
| 39 | } |
| 40 | |
| 41 | /// CHECK-START: void Main.sub(int) loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 42 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 43 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 44 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 45 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.sub(int) loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 46 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 47 | /// CHECK-DAG: VecSub loop:<<Loop>> outer_loop:none |
| 48 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 49 | static void sub(int x) { |
| 50 | for (int i = 0; i < 128; i++) |
| 51 | a[i] -= x; |
| 52 | } |
| 53 | |
| 54 | /// CHECK-START: void Main.mul(int) loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 55 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 56 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 57 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 58 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.mul(int) loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 59 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 60 | /// CHECK-DAG: VecMul loop:<<Loop>> outer_loop:none |
| 61 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 62 | static void mul(int x) { |
| 63 | for (int i = 0; i < 128; i++) |
| 64 | a[i] *= x; |
| 65 | } |
| 66 | |
| 67 | /// CHECK-START: void Main.div(int) loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 68 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 69 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 70 | // |
| 71 | /// CHECK-START: void Main.div(int) loop_optimization (after) |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 72 | /// CHECK-NOT: VecDiv |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 73 | // |
| 74 | // Not supported on any architecture. |
| 75 | // |
| 76 | static void div(int x) { |
| 77 | for (int i = 0; i < 128; i++) |
| 78 | a[i] /= x; |
| 79 | } |
| 80 | |
| 81 | /// CHECK-START: void Main.neg() loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 82 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 83 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 84 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 85 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.neg() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 86 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 87 | /// CHECK-DAG: VecNeg loop:<<Loop>> outer_loop:none |
| 88 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 89 | static void neg() { |
| 90 | for (int i = 0; i < 128; i++) |
| 91 | a[i] = -a[i]; |
| 92 | } |
| 93 | |
| 94 | /// CHECK-START: void Main.not() loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 95 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 96 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 97 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 98 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.not() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 99 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 100 | /// CHECK-DAG: VecNot loop:<<Loop>> outer_loop:none |
| 101 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 102 | static void not() { |
| 103 | for (int i = 0; i < 128; i++) |
| 104 | a[i] = ~a[i]; |
| 105 | } |
| 106 | |
| 107 | /// CHECK-START: void Main.shl4() loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 108 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 109 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 110 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 111 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.shl4() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 112 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 113 | /// CHECK-DAG: VecShl loop:<<Loop>> outer_loop:none |
| 114 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 115 | static void shl4() { |
| 116 | for (int i = 0; i < 128; i++) |
| 117 | a[i] <<= 4; |
| 118 | } |
| 119 | |
| 120 | /// CHECK-START: void Main.sar2() loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 121 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 122 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
Artem Serov | 8f7c410 | 2017-06-21 11:21:37 +0100 | [diff] [blame] | 123 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 124 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.sar2() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 125 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 126 | /// CHECK-DAG: VecShr loop:<<Loop>> outer_loop:none |
| 127 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 128 | static void sar2() { |
| 129 | for (int i = 0; i < 128; i++) |
| 130 | a[i] >>= 2; |
| 131 | } |
| 132 | |
| 133 | /// CHECK-START: void Main.shr2() loop_optimization (before) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 134 | /// CHECK-DAG: ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 135 | /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| 136 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 137 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.shr2() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 138 | /// CHECK-DAG: VecLoad loop:<<Loop:B\d+>> outer_loop:none |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 139 | /// CHECK-DAG: VecUShr loop:<<Loop>> outer_loop:none |
| 140 | /// CHECK-DAG: VecStore loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 141 | static void shr2() { |
| 142 | for (int i = 0; i < 128; i++) |
| 143 | a[i] >>>= 2; |
| 144 | } |
| 145 | |
| 146 | // |
| 147 | // Shift sanity. |
| 148 | // |
| 149 | |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 150 | // Expose constants to optimizing compiler, but not to front-end. |
| 151 | public static int $opt$inline$IntConstant32() { return 32; } |
| 152 | public static int $opt$inline$IntConstant33() { return 33; } |
| 153 | public static int $opt$inline$IntConstantMinus254() { return -254; } |
| 154 | |
| 155 | /// CHECK-START: void Main.shr32() instruction_simplifier$after_inlining (before) |
| 156 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant 32 loop:none |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 157 | /// CHECK-DAG: <<Get:i\d+>> ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 158 | /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 159 | /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
| 160 | // |
| 161 | /// CHECK-START: void Main.shr32() instruction_simplifier$after_inlining (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 162 | /// CHECK-DAG: <<Get:i\d+>> ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 163 | /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<Get>>] loop:<<Loop>> outer_loop:none |
| 164 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 165 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.shr32() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 166 | /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| 167 | /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<Get>>] loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 168 | static void shr32() { |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 169 | // TODO: remove a[i] = a[i] altogether? |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 170 | for (int i = 0; i < 128; i++) |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 171 | a[i] >>>= $opt$inline$IntConstant32(); // 0, since & 31 |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 172 | } |
| 173 | |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 174 | /// CHECK-START: void Main.shr33() instruction_simplifier$after_inlining (before) |
| 175 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant 33 loop:none |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 176 | /// CHECK-DAG: <<Get:i\d+>> ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 177 | /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 178 | /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
| 179 | // |
| 180 | /// CHECK-START: void Main.shr33() instruction_simplifier$after_inlining (after) |
| 181 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant 1 loop:none |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 182 | /// CHECK-DAG: <<Get:i\d+>> ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 183 | /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 184 | /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
| 185 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 186 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.shr33() loop_optimization (after) |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 187 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant 1 loop:none |
| 188 | /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| 189 | /// CHECK-DAG: <<UShr:d\d+>> VecUShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 190 | /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 191 | static void shr33() { |
| 192 | for (int i = 0; i < 128; i++) |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 193 | a[i] >>>= $opt$inline$IntConstant33(); // 1, since & 31 |
| 194 | } |
| 195 | |
| 196 | /// CHECK-START: void Main.shrMinus254() instruction_simplifier$after_inlining (before) |
| 197 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant -254 loop:none |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 198 | /// CHECK-DAG: <<Get:i\d+>> ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 199 | /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 200 | /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
| 201 | // |
| 202 | /// CHECK-START: void Main.shrMinus254() instruction_simplifier$after_inlining (after) |
| 203 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant 2 loop:none |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 204 | /// CHECK-DAG: <<Get:i\d+>> ArrayGet loop:<<Loop:B\d+>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 205 | /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 206 | /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
| 207 | // |
Aart Bik | 9cb7fe4 | 2017-11-30 11:46:45 -0800 | [diff] [blame] | 208 | /// CHECK-START-{ARM,ARM64,MIPS64}: void Main.shrMinus254() loop_optimization (after) |
Goran Jakovljevic | 19680d3 | 2017-05-11 10:38:36 +0200 | [diff] [blame] | 209 | /// CHECK-DAG: <<Dist:i\d+>> IntConstant 2 loop:none |
Aart Bik | 8c6c357 | 2017-10-25 11:48:48 -0700 | [diff] [blame] | 210 | /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| 211 | /// CHECK-DAG: <<UShr:d\d+>> VecUShr [<<Get>>,<<Dist>>] loop:<<Loop>> outer_loop:none |
| 212 | /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<UShr>>] loop:<<Loop>> outer_loop:none |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 213 | static void shrMinus254() { |
| 214 | for (int i = 0; i < 128; i++) |
| 215 | a[i] >>>= $opt$inline$IntConstantMinus254(); // 2, since & 31 |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | // |
| 219 | // Loop bounds. |
| 220 | // |
| 221 | |
| 222 | static void bounds() { |
| 223 | for (int i = 1; i < 127; i++) |
| 224 | a[i] += 11; |
| 225 | } |
| 226 | |
| 227 | // |
| 228 | // Test Driver. |
| 229 | // |
| 230 | |
| 231 | public static void main(String[] args) { |
| 232 | // Set up. |
| 233 | a = new int[128]; |
| 234 | for (int i = 0; i < 128; i++) { |
| 235 | a[i] = i; |
| 236 | } |
| 237 | // Arithmetic operations. |
| 238 | add(2); |
| 239 | for (int i = 0; i < 128; i++) { |
| 240 | expectEquals(i + 2, a[i], "add"); |
| 241 | } |
| 242 | sub(2); |
| 243 | for (int i = 0; i < 128; i++) { |
| 244 | expectEquals(i, a[i], "sub"); |
| 245 | } |
| 246 | mul(2); |
| 247 | for (int i = 0; i < 128; i++) { |
| 248 | expectEquals(i + i, a[i], "mul"); |
| 249 | } |
| 250 | div(2); |
| 251 | for (int i = 0; i < 128; i++) { |
| 252 | expectEquals(i, a[i], "div"); |
| 253 | } |
| 254 | neg(); |
| 255 | for (int i = 0; i < 128; i++) { |
| 256 | expectEquals(-i, a[i], "neg"); |
| 257 | } |
| 258 | // Loop bounds. |
| 259 | bounds(); |
| 260 | expectEquals(0, a[0], "bounds0"); |
| 261 | for (int i = 1; i < 127; i++) { |
| 262 | expectEquals(11 - i, a[i], "bounds"); |
| 263 | } |
| 264 | expectEquals(-127, a[127], "bounds127"); |
| 265 | // Shifts. |
| 266 | for (int i = 0; i < 128; i++) { |
| 267 | a[i] = 0xffffffff; |
| 268 | } |
| 269 | shl4(); |
| 270 | for (int i = 0; i < 128; i++) { |
| 271 | expectEquals(0xfffffff0, a[i], "shl4"); |
| 272 | } |
| 273 | sar2(); |
| 274 | for (int i = 0; i < 128; i++) { |
| 275 | expectEquals(0xfffffffc, a[i], "sar2"); |
| 276 | } |
| 277 | shr2(); |
| 278 | for (int i = 0; i < 128; i++) { |
| 279 | expectEquals(0x3fffffff, a[i], "shr2"); |
| 280 | } |
| 281 | shr32(); |
| 282 | for (int i = 0; i < 128; i++) { |
| 283 | expectEquals(0x3fffffff, a[i], "shr32"); |
| 284 | } |
| 285 | shr33(); |
| 286 | for (int i = 0; i < 128; i++) { |
| 287 | expectEquals(0x1fffffff, a[i], "shr33"); |
| 288 | } |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 289 | shrMinus254(); |
| 290 | for (int i = 0; i < 128; i++) { |
| 291 | expectEquals(0x07ffffff, a[i], "shrMinus254"); |
| 292 | } |
| 293 | // Bit-wise not operator. |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 294 | not(); |
| 295 | for (int i = 0; i < 128; i++) { |
Aart Bik | 50e20d5 | 2017-05-05 14:07:29 -0700 | [diff] [blame] | 296 | expectEquals(0xf8000000, a[i], "not"); |
Aart Bik | f8f5a16 | 2017-02-06 15:35:29 -0800 | [diff] [blame] | 297 | } |
| 298 | // Done. |
| 299 | System.out.println("passed"); |
| 300 | } |
| 301 | |
| 302 | private static void expectEquals(int expected, int result, String action) { |
| 303 | if (expected != result) { |
| 304 | throw new Error("Expected: " + expected + ", found: " + result + " for " + action); |
| 305 | } |
| 306 | } |
| 307 | } |