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Aart Bik68ca7022017-09-26 16:44:23 -07001/*
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 */
22public class Main {
23
24 // TODO: lower precision still coming, b/64091002
25
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
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
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
Vladimir Marko61b92282017-10-11 13:23:17 +010059 /// CHECK-START: int Main.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: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
63 /// CHECK-DAG: <<Phi2: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: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
72 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
73 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
74 //
Aart Bik68ca7022017-09-26 16:44:23 -070075 /// CHECK-START: int Main.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: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
79 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +010080 /// 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
Aart Bik68ca7022017-09-26 16:44:23 -070083 /// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
84 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
85 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
86 //
87 /// CHECK-START-ARM64: int Main.sadCastedChar2Int(char[], char[]) loop_optimization (after)
88 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
89 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
90 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none
91 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
92 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
93 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
94 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
95 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
96 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
97 private static int sadCastedChar2Int(char[] s1, char[] s2) {
98 int min_length = Math.min(s1.length, s2.length);
99 int sad = 0;
100 for (int i = 0; i < min_length; i++) {
101 sad += Math.abs(((short) s1[i]) - ((short) s2[i]));
102 }
103 return sad;
104 }
105
Vladimir Marko61b92282017-10-11 13:23:17 +0100106 /// CHECK-START: int Main.sadCastedChar2IntAlt(char[], char[]) instruction_simplifier (before)
107 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
108 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
109 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
110 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
111 /// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
112 /// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
113 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
114 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
115 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
116 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
117 /// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Cnv2>>,<<Cnv1>>] loop:<<Loop>> outer_loop:none
118 /// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
119 /// CHECK-DAG: <<Phi3:i\d+>> Phi [<<Sub2>>,<<Sub1>>] loop:<<Loop>> outer_loop:none
120 /// CHECK-DAG: Add [<<Phi2>>,<<Phi3>>] loop:<<Loop>> outer_loop:none
121 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
122 //
Aart Bik68ca7022017-09-26 16:44:23 -0700123 /// CHECK-START: int Main.sadCastedChar2IntAlt(char[], char[]) loop_optimization (before)
124 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
125 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
126 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
127 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100128 // Note: Get1+Cnv1 not simplified yet due to env use of Get1 in NullCheck for s2[i].
Aart Bik68ca7022017-09-26 16:44:23 -0700129 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100130 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
Aart Bik68ca7022017-09-26 16:44:23 -0700131 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100132 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Get2>>,<<Cnv1>>] loop:<<Loop>> outer_loop:none
Aart Bik68ca7022017-09-26 16:44:23 -0700133 /// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
134 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
135 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
136 //
137 /// CHECK-START-ARM64: int Main.sadCastedChar2IntAlt(char[], char[]) loop_optimization (after)
138 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
139 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
140 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none
141 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
142 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
143 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
144 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
145 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load2>>,<<Load1>>] loop:<<Loop>> outer_loop:none
146 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
147 private static int sadCastedChar2IntAlt(char[] s1, char[] s2) {
148 int min_length = Math.min(s1.length, s2.length);
149 int sad = 0;
150 for (int i = 0; i < min_length; i++) {
151 short s = (short) s1[i];
152 short p = (short) s2[i];
153 sad += s >= p ? s - p : p - s;
154 }
155 return sad;
156 }
157
Vladimir Marko61b92282017-10-11 13:23:17 +0100158 /// CHECK-START: int Main.sadCastedChar2IntAlt2(char[], char[]) instruction_simplifier (before)
159 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
160 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
161 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
162 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
163 /// CHECK-DAG: <<BC1:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
164 /// CHECK-DAG: <<BC2:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
165 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
166 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
167 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
168 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
169 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
170 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Sub>>] loop:<<Loop>> outer_loop:none
171 /// CHECK-DAG: <<Phi3:i\d+>> Phi [<<Sub>>,<<Neg>>] loop:<<Loop>> outer_loop:none
172 /// CHECK-DAG: Add [<<Phi2>>,<<Phi3>>] loop:<<Loop>> outer_loop:none
173 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
174 //
Aart Bik68ca7022017-09-26 16:44:23 -0700175 /// CHECK-START: int Main.sadCastedChar2IntAlt2(char[], char[]) loop_optimization (before)
176 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
177 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
178 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
179 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100180 // Note: Get1+Cnv1 not simplified yet due to env use of Get1 in NullCheck for s2[i].
Aart Bik68ca7022017-09-26 16:44:23 -0700181 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100182 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
Aart Bik68ca7022017-09-26 16:44:23 -0700183 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100184 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Get2>>] loop:<<Loop>> outer_loop:none
Aart Bik68ca7022017-09-26 16:44:23 -0700185 /// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
186 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
187 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
188 //
189 /// CHECK-START-ARM64: int Main.sadCastedChar2IntAlt2(char[], char[]) loop_optimization (after)
190 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
191 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
192 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none
193 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
194 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
195 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
196 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
197 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
198 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
199 private static int sadCastedChar2IntAlt2(char[] s1, char[] s2) {
200 int min_length = Math.min(s1.length, s2.length);
201 int sad = 0;
202 for (int i = 0; i < min_length; i++) {
203 short s = (short) s1[i];
204 short p = (short) s2[i];
205 int x = s - p;
206 if (x < 0) x = -x;
207 sad += x;
208 }
209 return sad;
210 }
211
Vladimir Marko61b92282017-10-11 13:23:17 +0100212 /// CHECK-START: long Main.sadCastedChar2Long(char[], char[]) instruction_simplifier (before)
213 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
214 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
215 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none
216 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
217 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
218 /// CHECK-DAG: <<BC1:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
219 /// CHECK-DAG: <<BC2:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
220 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
221 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
222 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
223 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
224 /// CHECK-DAG: <<Cnv3:j\d+>> TypeConversion [<<Cnv1>>] loop:<<Loop>> outer_loop:none
225 /// CHECK-DAG: <<Cnv4:j\d+>> TypeConversion [<<Cnv2>>] loop:<<Loop>> outer_loop:none
226 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv3>>,<<Cnv4>>] loop:<<Loop>> outer_loop:none
227 /// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
228 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
229 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
230 //
Aart Bik68ca7022017-09-26 16:44:23 -0700231 /// CHECK-START: long Main.sadCastedChar2Long(char[], char[]) loop_optimization (before)
232 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
233 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
234 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none
235 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
236 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100237 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
238 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
239 /// CHECK-DAG: <<Cnv1:j\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
240 /// CHECK-DAG: <<Cnv2:j\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
241 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
Aart Bik68ca7022017-09-26 16:44:23 -0700242 /// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
243 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
244 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
245 //
246 /// CHECK-START-ARM64: long Main.sadCastedChar2Long(char[], char[]) loop_optimization (after)
247 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
248 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
249 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none
250 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<ConsL>>] loop:none
251 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
252 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
253 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
254 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
255 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
256 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
257 private static long sadCastedChar2Long(char[] s1, char[] s2) {
258 int min_length = Math.min(s1.length, s2.length);
259 long sad = 0;
260 for (int i = 0; i < min_length; i++) {
261 long x = (short) s1[i];
262 long y = (short) s2[i];
263 sad += Math.abs(x - y);
264 }
265 return sad;
266 }
267
Vladimir Marko61b92282017-10-11 13:23:17 +0100268 /// CHECK-START: long Main.sadCastedChar2LongAt1(char[], char[]) instruction_simplifier (before)
269 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
270 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
271 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none
272 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
273 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
274 /// CHECK-DAG: <<BC1:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
275 /// CHECK-DAG: <<BC2:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
276 /// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
277 /// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
278 /// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
279 /// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
280 /// CHECK-DAG: <<Cnv3:j\d+>> TypeConversion [<<Cnv1>>] loop:<<Loop>> outer_loop:none
281 /// CHECK-DAG: <<Cnv4:j\d+>> TypeConversion [<<Cnv2>>] loop:<<Loop>> outer_loop:none
282 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv3>>,<<Cnv4>>] loop:<<Loop>> outer_loop:none
283 /// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
284 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
285 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
286 //
Aart Bik68ca7022017-09-26 16:44:23 -0700287 /// CHECK-START: long Main.sadCastedChar2LongAt1(char[], char[]) loop_optimization (before)
288 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
289 /// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
290 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none
291 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
292 /// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
Vladimir Marko61b92282017-10-11 13:23:17 +0100293 /// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
294 /// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
295 /// CHECK-DAG: <<Cnv1:j\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
296 /// CHECK-DAG: <<Cnv2:j\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
297 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
Aart Bik68ca7022017-09-26 16:44:23 -0700298 /// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
299 /// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
300 /// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
301 //
302 /// CHECK-START-ARM64: long Main.sadCastedChar2LongAt1(char[], char[]) loop_optimization (after)
303 /// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
304 /// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
305 /// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none
306 /// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<ConsL>>] loop:none
307 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
308 /// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
309 /// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
310 /// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
311 /// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
312 /// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
313 private static long sadCastedChar2LongAt1(char[] s1, char[] s2) {
314 int min_length = Math.min(s1.length, s2.length);
315 long sad = 1; // starts at 1
316 for (int i = 0; i < min_length; i++) {
317 long x = (short) s1[i];
318 long y = (short) s2[i];
319 sad += Math.abs(x - y);
320 }
321 return sad;
322 }
323
324 public static void main(String[] args) {
325 // Cross-test the two most extreme values individually.
326 char[] s1 = { 0, 0x8000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
327 char[] s2 = { 0, 0x7fff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
328 expectEquals(-1, sadCastedChar2Short(s1, s2));
329 expectEquals(-1, sadCastedChar2Short(s2, s1));
330 expectEquals(-1, sadCastedChar2ShortAlt(s1, s2));
331 expectEquals(-1, sadCastedChar2ShortAlt(s2, s1));
332 expectEquals(-1, sadCastedChar2ShortAlt2(s1, s2));
333 expectEquals(-1, sadCastedChar2ShortAlt2(s2, s1));
334 expectEquals(65535, sadCastedChar2Int(s1, s2));
335 expectEquals(65535, sadCastedChar2Int(s2, s1));
336 expectEquals(65535, sadCastedChar2IntAlt(s1, s2));
337 expectEquals(65535, sadCastedChar2IntAlt(s2, s1));
338 expectEquals(65535, sadCastedChar2IntAlt2(s1, s2));
339 expectEquals(65535, sadCastedChar2IntAlt2(s2, s1));
340 expectEquals(65535L, sadCastedChar2Long(s1, s2));
341 expectEquals(65535L, sadCastedChar2Long(s2, s1));
342 expectEquals(65536L, sadCastedChar2LongAt1(s1, s2));
343 expectEquals(65536L, sadCastedChar2LongAt1(s2, s1));
344
345 // Use cross-values to test all cases.
346 char[] interesting = {
347 (char) 0x0000,
348 (char) 0x0001,
349 (char) 0x0002,
350 (char) 0x1234,
351 (char) 0x8000,
352 (char) 0x8001,
353 (char) 0x7fff,
354 (char) 0xffff
355 };
356 int n = interesting.length;
357 int m = n * n + 1;
358 s1 = new char[m];
359 s2 = new char[m];
360 int k = 0;
361 for (int i = 0; i < n; i++) {
362 for (int j = 0; j < n; j++) {
363 s1[k] = interesting[i];
364 s2[k] = interesting[j];
365 k++;
366 }
367 }
368 s1[k] = 10;
369 s2[k] = 2;
370 expectEquals(-18932, sadCastedChar2Short(s1, s2));
371 expectEquals(-18932, sadCastedChar2ShortAlt(s1, s2));
372 expectEquals(-18932, sadCastedChar2ShortAlt2(s1, s2));
373 expectEquals(1291788, sadCastedChar2Int(s1, s2));
374 expectEquals(1291788, sadCastedChar2IntAlt(s1, s2));
375 expectEquals(1291788, sadCastedChar2IntAlt2(s1, s2));
376 expectEquals(1291788L, sadCastedChar2Long(s1, s2));
377 expectEquals(1291789L, sadCastedChar2LongAt1(s1, s2));
378
379 System.out.println("passed");
380 }
381
382 private static void expectEquals(int expected, int result) {
383 if (expected != result) {
384 throw new Error("Expected: " + expected + ", found: " + result);
385 }
386 }
387
388 private static void expectEquals(long expected, long result) {
389 if (expected != result) {
390 throw new Error("Expected: " + expected + ", found: " + result);
391 }
392 }
393}