49 lines
964 B
C
49 lines
964 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Test basic matrix multiply assist (MMA) functionality if available.
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*
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* Copyright 2020, Alistair Popple, IBM Corp.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "utils.h"
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extern void test_mma(uint16_t (*)[8], uint16_t (*)[8], uint32_t (*)[4*4]);
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static int mma(void)
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{
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int i;
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int rc = 0;
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uint16_t x[] = {1, 0, 2, 0, 3, 0, 4, 0};
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uint16_t y[] = {1, 0, 2, 0, 3, 0, 4, 0};
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uint32_t z[4*4];
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uint32_t exp[4*4] = {1, 2, 3, 4,
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2, 4, 6, 8,
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3, 6, 9, 12,
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4, 8, 12, 16};
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SKIP_IF_MSG(!have_hwcap2(PPC_FEATURE2_ARCH_3_1), "Need ISAv3.1");
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SKIP_IF_MSG(!have_hwcap2(PPC_FEATURE2_MMA), "Need MMA");
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test_mma(&x, &y, &z);
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for (i = 0; i < 16; i++) {
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printf("MMA[%d] = %d ", i, z[i]);
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if (z[i] == exp[i]) {
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printf(" (Correct)\n");
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} else {
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printf(" (Incorrect)\n");
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rc = 1;
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}
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}
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return rc;
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}
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int main(int argc, char *argv[])
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{
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return test_harness(mma, "mma");
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}
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