1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Test basic matrix multiply assist (MMA) functionality if available.
4 *
5 * Copyright 2020, Alistair Popple, IBM Corp.
6 */
7 #include <stdio.h>
8 #include <stdint.h>
9
10 #include "utils.h"
11
12 extern void test_mma(uint16_t (*)[8], uint16_t (*)[8], uint32_t (*)[4*4]);
13
14 static int mma(void)
15 {
16 int i;
17 int rc = 0;
18 uint16_t x[] = {1, 0, 2, 0, 3, 0, 4, 0};
19 uint16_t y[] = {1, 0, 2, 0, 3, 0, 4, 0};
20 uint32_t z[4*4];
21 uint32_t exp[4*4] = {1, 2, 3, 4,
22 2, 4, 6, 8,
23 3, 6, 9, 12,
24 4, 8, 12, 16};
25
26 SKIP_IF_MSG(!have_hwcap2(PPC_FEATURE2_ARCH_3_1), "Need ISAv3.1");
27 SKIP_IF_MSG(!have_hwcap2(PPC_FEATURE2_MMA), "Need MMA");
28
29 test_mma(&x, &y, &z);
30
31 for (i = 0; i < 16; i++) {
32 printf("MMA[%d] = %d ", i, z[i]);
33
34 if (z[i] == exp[i]) {
35 printf(" (Correct)\n");
36 } else {
37 printf(" (Incorrect)\n");
38 rc = 1;
39 }
40 }
41
42 return rc;
43 }
44
45 int main(int argc, char *argv[])
46 {
47 return test_harness(mma, "mma");
48 }
49
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