xref: /openbmc/qemu/tests/tcg/hexagon/v68_hvx.c (revision 34cc54fb)
1 /*
2  *  Copyright(c) 2022-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <stdio.h>
19 #include <stdint.h>
20 #include <stdbool.h>
21 #include <string.h>
22 #include <limits.h>
23 
24 int err;
25 
26 #include "hvx_misc.h"
27 
28 MMVector v6mpy_buffer0[BUFSIZE] __attribute__((aligned(MAX_VEC_SIZE_BYTES)));
29 MMVector v6mpy_buffer1[BUFSIZE] __attribute__((aligned(MAX_VEC_SIZE_BYTES)));
30 
31 static void init_v6mpy_buffers(void)
32 {
33     int counter0 = 0;
34     int counter1 = 17;
35     for (int i = 0; i < BUFSIZE; i++) {
36         for (int j = 0; j < MAX_VEC_SIZE_BYTES / 4; j++) {
37             v6mpy_buffer0[i].w[j] = counter0++;
38             v6mpy_buffer1[i].w[j] = counter1++;
39         }
40     }
41 }
42 
43 int v6mpy_ref[BUFSIZE][MAX_VEC_SIZE_BYTES / 4] = {
44 #include "v6mpy_ref.c.inc"
45 };
46 
47 static void test_v6mpy(void)
48 {
49     void *p00 = buffer0;
50     void *p01 = v6mpy_buffer0;
51     void *p10 = buffer1;
52     void *p11 = v6mpy_buffer1;
53     void *pout = output;
54 
55     memset(expect, 0xff, sizeof(expect));
56     memset(output, 0xff, sizeof(expect));
57 
58     for (int i = 0; i < BUFSIZE; i++) {
59         asm("v2 = vmem(%0 + #0)\n\t"
60             "v3 = vmem(%1 + #0)\n\t"
61             "v4 = vmem(%2 + #0)\n\t"
62             "v5 = vmem(%3 + #0)\n\t"
63             "v5:4.w = v6mpy(v5:4.ub, v3:2.b, #1):v\n\t"
64             "vmem(%4 + #0) = v4\n\t"
65             : : "r"(p00), "r"(p01), "r"(p10), "r"(p11), "r"(pout)
66             : "v2", "v3", "v4", "v5", "memory");
67         p00 += sizeof(MMVector);
68         p01 += sizeof(MMVector);
69         p10 += sizeof(MMVector);
70         p11 += sizeof(MMVector);
71         pout += sizeof(MMVector);
72 
73         for (int j = 0; j < MAX_VEC_SIZE_BYTES / 4; j++) {
74             expect[i].w[j] = v6mpy_ref[i][j];
75         }
76     }
77 
78     check_output_w(__LINE__, BUFSIZE);
79 }
80 
81 int main()
82 {
83     init_buffers();
84     init_v6mpy_buffers();
85 
86     test_v6mpy();
87 
88     puts(err ? "FAIL" : "PASS");
89     return err ? 1 : 0;
90 }
91