1 /*
2
3 Copyright (c) 2009, 2010, 2011 STMicroelectronics
4 Written by Christophe Lyon
5
6 Permission is hereby granted, free of charge, to any person obtaining a copy
7 of this software and associated documentation files (the "Software"), to deal
8 in the Software without restriction, including without limitation the rights
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 copies of the Software, and to permit persons to whom the Software is
11 furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 THE SOFTWARE.
23
24 */
25
26 #if defined(__arm__) || defined(__aarch64__)
27 #include <arm_neon.h>
28 #else
29 #include "stm-arm-neon.h"
30 #endif
31
32 #include "stm-arm-neon-ref.h"
33
34 #define TEST_MSG "VSHRN_N"
exec_vshrn_n(void)35 void exec_vshrn_n (void)
36 {
37 /* Basic test: y=vshrn_n(x,v), then store the result. */
38 #define TEST_VSHRN_N(T1, T2, W, W2, N, V) \
39 VECT_VAR(vector_res, T1, W2, N) = \
40 vshrn_n_##T2##W(VECT_VAR(vector, T1, W, N), \
41 V); \
42 vst1_##T2##W2(VECT_VAR(result, T1, W2, N), VECT_VAR(vector_res, T1, W2, N))
43
44 /* With ARM RVCT, we need to declare variables before any executable
45 statement */
46
47 /* vector is twice as large as vector_res */
48 DECL_VARIABLE(vector, int, 16, 8);
49 DECL_VARIABLE(vector, int, 32, 4);
50 DECL_VARIABLE(vector, int, 64, 2);
51 DECL_VARIABLE(vector, uint, 16, 8);
52 DECL_VARIABLE(vector, uint, 32, 4);
53 DECL_VARIABLE(vector, uint, 64, 2);
54
55 DECL_VARIABLE(vector_res, int, 8, 8);
56 DECL_VARIABLE(vector_res, int, 16, 4);
57 DECL_VARIABLE(vector_res, int, 32, 2);
58 DECL_VARIABLE(vector_res, uint, 8, 8);
59 DECL_VARIABLE(vector_res, uint, 16, 4);
60 DECL_VARIABLE(vector_res, uint, 32, 2);
61
62 clean_results ();
63
64 VLOAD(vector, buffer, q, int, s, 16, 8);
65 VLOAD(vector, buffer, q, int, s, 32, 4);
66 VLOAD(vector, buffer, q, int, s, 64, 2);
67 VLOAD(vector, buffer, q, uint, u, 16, 8);
68 VLOAD(vector, buffer, q, uint, u, 32, 4);
69 VLOAD(vector, buffer, q, uint, u, 64, 2);
70
71 /* Choose shift amount arbitrarily */
72 TEST_VSHRN_N(int, s, 16, 8, 8, 1);
73 TEST_VSHRN_N(int, s, 32, 16, 4, 1);
74 TEST_VSHRN_N(int, s, 64, 32, 2, 2);
75 TEST_VSHRN_N(uint, u, 16, 8, 8, 2);
76 TEST_VSHRN_N(uint, u, 32, 16, 4, 3);
77 TEST_VSHRN_N(uint, u, 64, 32, 2, 3);
78
79 /* FIXME: only a few result buffers are used, but we output all of them */
80 dump_results_hex (TEST_MSG);
81 }
82