1 /*
2 * Copyright (c) 2023, 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 8310886 8325252 8320622
27 * @summary Test MulAddS2I vectorization.
28 * @library /test/lib /
29 * @run driver compiler.loopopts.superword.TestMulAddS2I
30 */
31
32 package compiler.loopopts.superword;
33
34 import compiler.lib.ir_framework.*;
35 import jdk.test.lib.Asserts;
36 import jdk.test.lib.Platform;
37
38 public class TestMulAddS2I {
39 static final int RANGE = 1024*16;
40 static final int ITER = RANGE/2 - 1;
41
42 static short[] sArr1 = new short[RANGE];
43 static short[] sArr2 = new short[RANGE];
44 static final int[] GOLDEN_A;
45 static final int[] GOLDEN_B;
46 static final int[] GOLDEN_C;
47 static final int[] GOLDEN_D;
48 static final int[] GOLDEN_E;
49 static final int[] GOLDEN_F;
50 static final int[] GOLDEN_G;
51 static final int[] GOLDEN_H;
52 static final int[] GOLDEN_I;
53 static final int[] GOLDEN_J;
54 static final int[] GOLDEN_K;
55 static final int[] GOLDEN_L;
56
57 static {
58 for (int i = 0; i < RANGE; i++) {
59 sArr1[i] = (short)(AbstractInfo.getRandom().nextInt());
60 sArr2[i] = (short)(AbstractInfo.getRandom().nextInt());
61 }
62 GOLDEN_A = testa();
63 GOLDEN_B = testb();
64 GOLDEN_C = testc(new int[ITER]);
65 GOLDEN_D = testd(new int[ITER]);
66 GOLDEN_E = teste(new int[ITER]);
67 GOLDEN_F = testf(new int[ITER]);
68 GOLDEN_G = testg(new int[ITER]);
69 GOLDEN_H = testh(new int[ITER]);
70 GOLDEN_I = testi(new int[ITER]);
71 GOLDEN_J = testj(new int[ITER]);
72 GOLDEN_K = testk(new int[ITER]);
73 GOLDEN_L = testl(new int[ITER]);
74 }
75
76
77 public static void main(String[] args) {
78 TestFramework.runWithFlags("-XX:+IgnoreUnrecognizedVMOptions", "-XX:+AlignVector");
79 TestFramework.runWithFlags("-XX:+IgnoreUnrecognizedVMOptions", "-XX:-AlignVector");
80 }
81
82 @Run(test = {"testa", "testb", "testc", "testd", "teste", "testf", "testg", "testh",
83 "testi", "testj", "testk", "testl"})
84 @Warmup(0)
85 public static void run() {
86 compare(testa(), GOLDEN_A, "testa");
87 compare(testb(), GOLDEN_B, "testb");
88 compare(testc(new int[ITER]), GOLDEN_C, "testc");
89 compare(testd(new int[ITER]), GOLDEN_D, "testd");
90 compare(teste(new int[ITER]), GOLDEN_E, "teste");
91 compare(testf(new int[ITER]), GOLDEN_F, "testf");
92 compare(testg(new int[ITER]), GOLDEN_G, "testg");
93 compare(testh(new int[ITER]), GOLDEN_H, "testh");
94 compare(testi(new int[ITER]), GOLDEN_I, "testi");
95 compare(testj(new int[ITER]), GOLDEN_J, "testj");
96 compare(testk(new int[ITER]), GOLDEN_K, "testk");
97 compare(testl(new int[ITER]), GOLDEN_L, "testl");
98 }
99
100 public static void compare(int[] out, int[] golden, String name) {
101 for (int i = 0; i < ITER; i++) {
102 Asserts.assertEQ(out[i], golden[i], "wrong result for '" + name + "' out[" + i + "]");
103 }
104 }
105
106 @Test
107 @IR(applyIfCPUFeature = {"sse2", "true"},
108 applyIfPlatform = {"64-bit", "true"},
109 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
110 @IR(applyIfCPUFeature = {"asimd", "true"},
111 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
112 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
113 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
114 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
115 public static int[] testa() {
116 int[] out = new int[ITER];
117 int[] out2 = new int[ITER];
118 for (int i = 0; i < ITER; i++) {
119 out[i] += ((sArr1[2*i] * sArr1[2*i]) + (sArr1[2*i+1] * sArr1[2*i+1]));
120 out2[i] += out[i];
121 }
122 return out;
123 }
124
125 @Test
126 @IR(applyIfCPUFeature = {"sse2", "true"},
127 applyIfPlatform = {"64-bit", "true"},
128 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
129 @IR(applyIfCPUFeature = {"asimd", "true"},
130 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
131 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
132 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
133 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
134 public static int[] testb() {
135 int[] out = new int[ITER];
136 int[] out2 = new int[ITER];
137 for (int i = 0; i < ITER; i++) {
138 out[i] += ((sArr1[2*i] * sArr2[2*i]) + (sArr1[2*i+1] * sArr2[2*i+1]));
139 out2[i] += out[i];
140 }
141 return out;
142 }
143
144 @Test
145 @IR(applyIfCPUFeature = {"sse2", "true"},
146 applyIfPlatform = {"64-bit", "true"},
147 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
148 @IR(applyIfCPUFeature = {"asimd", "true"},
149 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
150 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
151 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
152 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
153 public static int[] testc(int[] out) {
154 for (int i = 0; i < ITER; i++) {
155 out[i] += ((sArr1[2*i] * sArr2[2*i]) + (sArr1[2*i+1] * sArr2[2*i+1]));
156 }
157 return out;
158 }
159
160 @Test
161 @IR(applyIfCPUFeature = {"sse2", "true"},
162 applyIfPlatform = {"64-bit", "true"},
163 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
164 @IR(applyIfCPUFeature = {"asimd", "true"},
165 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
166 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
167 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
168 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
169 public static int[] testd(int[] out) {
170 for (int i = 0; i < ITER-2; i+=2) {
171 // Unrolled, with the same structure.
172 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+0]) + (sArr1[2*i+1] * sArr2[2*i+1]));
173 out[i+1] += ((sArr1[2*i+2] * sArr2[2*i+2]) + (sArr1[2*i+3] * sArr2[2*i+3]));
174 }
175 return out;
176 }
177
178 @Test
179 @IR(applyIfCPUFeature = {"sse2", "true"},
180 applyIfPlatform = {"64-bit", "true"},
181 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
182 @IR(applyIfCPUFeature = {"asimd", "true"},
183 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
184 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
185 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
186 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
187 public static int[] teste(int[] out) {
188 for (int i = 0; i < ITER-2; i+=2) {
189 // Unrolled, with some swaps.
190 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+0]) + (sArr1[2*i+1] * sArr2[2*i+1]));
191 out[i+1] += ((sArr2[2*i+2] * sArr1[2*i+2]) + (sArr1[2*i+3] * sArr2[2*i+3])); // swap(1 2)
192 }
193 return out;
194 }
195
196 @Test
197 @IR(applyIfCPUFeature = {"sse2", "true"},
198 applyIfPlatform = {"64-bit", "true"},
199 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
200 @IR(applyIfCPUFeature = {"asimd", "true"},
201 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
202 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
203 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
204 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
205 public static int[] testf(int[] out) {
206 for (int i = 0; i < ITER-2; i+=2) {
207 // Unrolled, with some swaps.
208 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+0]) + (sArr1[2*i+1] * sArr2[2*i+1]));
209 out[i+1] += ((sArr2[2*i+2] * sArr1[2*i+2]) + (sArr2[2*i+3] * sArr1[2*i+3])); // swap(1 2), swap(3 4)
210 }
211 return out;
212 }
213
214 @Test
215 @IR(applyIfCPUFeature = {"sse2", "true"},
216 applyIfPlatform = {"64-bit", "true"},
217 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
218 @IR(applyIfCPUFeature = {"asimd", "true"},
219 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
220 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
221 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
222 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
223 public static int[] testg(int[] out) {
224 for (int i = 0; i < ITER-2; i+=2) {
225 // Unrolled, with some swaps.
226 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+0]) + (sArr1[2*i+1] * sArr2[2*i+1]));
227 out[i+1] += ((sArr1[2*i+3] * sArr2[2*i+3]) + (sArr1[2*i+2] * sArr2[2*i+2])); // swap(1 3), swap(2 4)
228 }
229 return out;
230 }
231
232 @Test
233 @IR(applyIfCPUFeature = {"sse2", "true"},
234 applyIfPlatform = {"64-bit", "true"},
235 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
236 @IR(applyIfCPUFeature = {"asimd", "true"},
237 applyIf = {"MaxVectorSize", "16"}, // AD file requires vector_length = 16
238 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI, "> 0"})
239 @IR(applyIfCPUFeature = {"avx512_vnni", "true"},
240 counts = {IRNode.MUL_ADD_S2I, "> 0", IRNode.MUL_ADD_VS2VI_VNNI, "> 0"})
241 public static int[] testh(int[] out) {
242 for (int i = 0; i < ITER-2; i+=2) {
243 // Unrolled, with some swaps.
244 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+0]) + (sArr1[2*i+1] * sArr2[2*i+1]));
245 out[i+1] += ((sArr2[2*i+3] * sArr1[2*i+3]) + (sArr2[2*i+2] * sArr1[2*i+2])); // swap(1 4), swap(2 3)
246 }
247 return out;
248 }
249
250 @Test
251 @IR(counts = {IRNode.MUL_ADD_S2I, "> 0"},
252 applyIfCPUFeatureOr = {"sse2", "true", "asimd", "true"})
253 @IR(counts = {IRNode.MUL_ADD_VS2VI, "= 0"})
254 public static int[] testi(int[] out) {
255 for (int i = 0; i < ITER-2; i+=2) {
256 // Unrolled, with some swaps that prevent vectorization.
257 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+0]) + (sArr1[2*i+1] * sArr2[2*i+1])); // ok
258 out[i+1] += ((sArr1[2*i+2] * sArr2[2*i+3]) + (sArr1[2*i+3] * sArr2[2*i+2])); // bad
259 }
260 return out;
261 }
262
263 @Test
264 @IR(counts = {IRNode.MUL_ADD_S2I, "> 0"},
265 applyIfCPUFeatureOr = {"sse2", "true", "asimd", "true"})
266 @IR(counts = {IRNode.MUL_ADD_VS2VI, "= 0"})
267 public static int[] testj(int[] out) {
268 for (int i = 0; i < ITER-2; i+=2) {
269 // Unrolled, with some swaps that prevent vectorization.
270 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+1]) + (sArr1[2*i+1] * sArr2[2*i+0])); // bad
271 out[i+1] += ((sArr1[2*i+2] * sArr2[2*i+3]) + (sArr1[2*i+3] * sArr2[2*i+2])); // bad
272 }
273 return out;
274 }
275
276 @Test
277 @IR(counts = {IRNode.MUL_ADD_S2I, "> 0"},
278 applyIfCPUFeatureOr = {"sse2", "true", "asimd", "true"})
279 @IR(counts = {IRNode.MUL_ADD_VS2VI, "= 0"})
280 public static int[] testk(int[] out) {
281 for (int i = 0; i < ITER-2; i+=2) {
282 // Unrolled, with some swaps that prevent vectorization.
283 out[i+0] += ((sArr1[2*i+0] * sArr2[2*i+1]) + (sArr1[2*i+1] * sArr2[2*i+0])); // bad
284 out[i+1] += ((sArr1[2*i+2] * sArr2[2*i+2]) + (sArr1[2*i+3] * sArr2[2*i+3])); // ok
285 }
286 return out;
287 }
288
289 @Test
290 @IR(counts = {IRNode.MUL_ADD_S2I, "> 0"},
291 applyIfCPUFeatureOr = {"sse2", "true", "asimd", "true"})
292 @IR(counts = {IRNode.MUL_ADD_VS2VI, "= 0"})
293 public static int[] testl(int[] out) {
294 for (int i = 0; i < ITER-2; i+=2) {
295 // Unrolled, with some swaps that prevent vectorization.
296 out[i+0] += ((sArr1[2*i+1] * sArr2[2*i+1]) + (sArr1[2*i+0] * sArr2[2*i+0])); // ok
297 out[i+1] += ((sArr1[2*i+2] * sArr2[2*i+3]) + (sArr1[2*i+3] * sArr2[2*i+2])); // bad
298 }
299 return out;
300 }
301
302 }