1/*
2
3Copyright (c) 2009, 2010, 2011, 2013 STMicroelectronics
4Written by Christophe Lyon
5
6Permission is hereby granted, free of charge, to any person obtaining a copy
7of this software and associated documentation files (the "Software"), to deal
8in the Software without restriction, including without limitation the rights
9to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10copies of the Software, and to permit persons to whom the Software is
11furnished to do so, subject to the following conditions:
12
13The above copyright notice and this permission notice shall be included in
14all copies or substantial portions of the Software.
15
16THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22THE 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
34void exec_vldX_lane (void)
35{
36  /* In this case, input variables are arrays of vectors */
37#define DECL_VLDX_LANE(T1, W, N, X)					\
38  VECT_ARRAY_TYPE(T1, W, N, X) VECT_ARRAY_VAR(vector, T1, W, N, X);	\
39  VECT_ARRAY_TYPE(T1, W, N, X) VECT_ARRAY_VAR(vector_src, T1, W, N, X);	\
40  VECT_VAR_DECL(result_bis_##X, T1, W, N)[X * N]
41
42  /* We need to use a temporary result buffer (result_bis), because
43     the one used for other tests is not large enough. A subset of the
44     result data is moved from result_bis to result, and it is this
45     subset which is used to check the actual behaviour. The next
46     macro enables to move another chunk of data from result_bis to
47     result.  */
48#define TEST_VLDX_LANE(Q, T1, T2, W, N, X, L)				\
49  memset (VECT_VAR(buffer_src, T1, W, N), 0xAA,				\
50	  sizeof(VECT_VAR(buffer_src, T1, W, N)));			\
51									\
52  VECT_ARRAY_VAR(vector_src, T1, W, N, X) =				\
53    vld##X##Q##_##T2##W(VECT_VAR(buffer_src, T1, W, N));		\
54									\
55  VECT_ARRAY_VAR(vector, T1, W, N, X) =					\
56    /* Use dedicated init buffer, of size X */				\
57    vld##X##Q##_lane_##T2##W(VECT_VAR(buffer_vld##X##_lane, T1, W, X),	\
58			     VECT_ARRAY_VAR(vector_src, T1, W, N, X),	\
59			     L);					\
60  vst##X##Q##_##T2##W(VECT_VAR(result_bis_##X, T1, W, N),		\
61		      VECT_ARRAY_VAR(vector, T1, W, N, X));		\
62  memcpy(VECT_VAR(result, T1, W, N), VECT_VAR(result_bis_##X, T1, W, N), \
63	 sizeof(VECT_VAR(result, T1, W, N)))
64
65  /* Overwrite "result" with the contents of "result_bis"[Y] */
66#define TEST_EXTRA_CHUNK(T1, W, N, X, Y)		\
67  memcpy(VECT_VAR(result, T1, W, N),			\
68	 &(VECT_VAR(result_bis_##X, T1, W, N)[Y*N]),	\
69	 sizeof(VECT_VAR(result, T1, W, N)));
70
71  /* With ARM RVCT, we need to declare variables before any executable
72     statement */
73
74  /* We need all variants in 64 bits, but there is no 64x2 variant */
75#define DECL_ALL_VLDX_LANE(X)			\
76  DECL_VLDX_LANE(int, 8, 8, X);			\
77  DECL_VLDX_LANE(int, 16, 4, X);		\
78  DECL_VLDX_LANE(int, 32, 2, X);		\
79  DECL_VLDX_LANE(uint, 8, 8, X);		\
80  DECL_VLDX_LANE(uint, 16, 4, X);		\
81  DECL_VLDX_LANE(uint, 32, 2, X);		\
82  DECL_VLDX_LANE(poly, 8, 8, X);		\
83  DECL_VLDX_LANE(poly, 16, 4, X);		\
84  DECL_VLDX_LANE(int, 16, 8, X);		\
85  DECL_VLDX_LANE(int, 32, 4, X);		\
86  DECL_VLDX_LANE(uint, 16, 8, X);		\
87  DECL_VLDX_LANE(uint, 32, 4, X);		\
88  DECL_VLDX_LANE(poly, 16, 8, X);		\
89  DECL_VLDX_LANE(float, 32, 2, X);		\
90  DECL_VLDX_LANE(float, 32, 4, X)
91
92#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
93#define DECL_ALL_VLDX_LANE_FP16(X)		\
94  DECL_VLDX_LANE(float, 16, 4, X);		\
95  DECL_VLDX_LANE(float, 16, 8, X)
96#endif
97
98  /* Add some padding to try to catch out of bound accesses.  */
99  /* Use an array instead of a plain char to comply with rvct
100     constraints.  */
101#define ARRAY1(V, T, W, N) VECT_VAR_DECL(V,T,W,N)[1]={42}
102#define DUMMY_ARRAY(V, T, W, N, L) \
103  VECT_VAR_DECL(V,T,W,N)[N*L]={0}; \
104  ARRAY1(V##_pad,T,W,N)
105
106  /* Use the same lanes regardless of the size of the array (X), for
107     simplicity */
108#define TEST_ALL_VLDX_LANE(X)			\
109  TEST_VLDX_LANE(, int, s, 8, 8, X, 7);		\
110  TEST_VLDX_LANE(, int, s, 16, 4, X, 2);	\
111  TEST_VLDX_LANE(, int, s, 32, 2, X, 0);	\
112  TEST_VLDX_LANE(, uint, u, 8, 8, X, 4);	\
113  TEST_VLDX_LANE(, uint, u, 16, 4, X, 3);	\
114  TEST_VLDX_LANE(, uint, u, 32, 2, X, 1);	\
115  TEST_VLDX_LANE(, poly, p, 8, 8, X, 4);	\
116  TEST_VLDX_LANE(, poly, p, 16, 4, X, 3);	\
117  TEST_VLDX_LANE(q, int, s, 16, 8, X, 6);	\
118  TEST_VLDX_LANE(q, int, s, 32, 4, X, 2);	\
119  TEST_VLDX_LANE(q, uint, u, 16, 8, X, 5);	\
120  TEST_VLDX_LANE(q, uint, u, 32, 4, X, 0);	\
121  TEST_VLDX_LANE(q, poly, p, 16, 8, X, 5);	\
122  TEST_VLDX_LANE(, float, f, 32, 2, X, 0);	\
123  TEST_VLDX_LANE(q, float, f, 32, 4, X, 2)
124
125#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
126#define TEST_ALL_VLDX_LANE_FP16(X)		\
127  TEST_VLDX_LANE(, float, f, 16, 4, X, 0);	\
128  TEST_VLDX_LANE(q, float, f, 16, 8, X, 2)
129#endif
130
131#define TEST_ALL_EXTRA_CHUNKS(X, Y)		\
132  TEST_EXTRA_CHUNK(int, 8, 8, X, Y);		\
133  TEST_EXTRA_CHUNK(int, 16, 4, X, Y);		\
134  TEST_EXTRA_CHUNK(int, 32, 2, X, Y);		\
135  TEST_EXTRA_CHUNK(uint, 8, 8, X, Y);		\
136  TEST_EXTRA_CHUNK(uint, 16, 4, X, Y);		\
137  TEST_EXTRA_CHUNK(uint, 32, 2, X, Y);		\
138  TEST_EXTRA_CHUNK(poly, 8, 8, X, Y);		\
139  TEST_EXTRA_CHUNK(poly, 16, 4, X, Y);		\
140  TEST_EXTRA_CHUNK(int, 16, 8, X, Y);		\
141  TEST_EXTRA_CHUNK(int, 32, 4, X, Y);		\
142  TEST_EXTRA_CHUNK(uint, 16, 8, X, Y);		\
143  TEST_EXTRA_CHUNK(uint, 32, 4, X, Y);		\
144  TEST_EXTRA_CHUNK(poly, 16, 8, X, Y);		\
145  TEST_EXTRA_CHUNK(float, 32, 2, X, Y);		\
146  TEST_EXTRA_CHUNK(float, 32, 4, X, Y)
147
148#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
149#define TEST_ALL_EXTRA_CHUNKS_FP16(X, Y)	\
150  TEST_EXTRA_CHUNK(float, 16, 4, X, Y);		\
151  TEST_EXTRA_CHUNK(float, 16, 8, X, Y)
152#endif
153
154  /* Declare the temporary buffers / variables */
155  DECL_ALL_VLDX_LANE(2);
156  DECL_ALL_VLDX_LANE(3);
157  DECL_ALL_VLDX_LANE(4);
158#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
159  DECL_ALL_VLDX_LANE_FP16(2);
160  DECL_ALL_VLDX_LANE_FP16(3);
161  DECL_ALL_VLDX_LANE_FP16(4);
162#endif
163
164  /* Define dummy input arrays, large enough for x4 vectors */
165  DUMMY_ARRAY(buffer_src, int, 8, 8, 4);
166  DUMMY_ARRAY(buffer_src, int, 16, 4, 4);
167  DUMMY_ARRAY(buffer_src, int, 32, 2, 4);
168  DUMMY_ARRAY(buffer_src, uint, 8, 8, 4);
169  DUMMY_ARRAY(buffer_src, uint, 16, 4, 4);
170  DUMMY_ARRAY(buffer_src, uint, 32, 2, 4);
171  DUMMY_ARRAY(buffer_src, poly, 8, 8, 4);
172  DUMMY_ARRAY(buffer_src, poly, 16, 4, 4);
173  DUMMY_ARRAY(buffer_src, int, 16, 8, 4);
174  DUMMY_ARRAY(buffer_src, int, 32, 4, 4);
175  DUMMY_ARRAY(buffer_src, uint, 16, 8, 4);
176  DUMMY_ARRAY(buffer_src, uint, 32, 4, 4);
177  DUMMY_ARRAY(buffer_src, poly, 16, 8, 4);
178  DUMMY_ARRAY(buffer_src, float, 32, 2, 4);
179  DUMMY_ARRAY(buffer_src, float, 32, 4, 4);
180#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
181  DUMMY_ARRAY(buffer_src, float, 16, 4, 4);
182  DUMMY_ARRAY(buffer_src, float, 16, 8, 4);
183#endif
184
185  /* Check vld2_lane/vld2q_lane */
186  clean_results ();
187#define TEST_MSG "VLD2_LANE/VLD2Q_LANE"
188  TEST_ALL_VLDX_LANE(2);
189#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
190  TEST_ALL_VLDX_LANE_FP16(2);
191#endif
192  dump_results_hex2 (TEST_MSG, " chunk 0");
193  TEST_ALL_EXTRA_CHUNKS(2, 1);
194#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
195  TEST_ALL_EXTRA_CHUNKS_FP16(2, 1);
196#endif
197  dump_results_hex2 (TEST_MSG, " chunk 1");
198
199  /* Check vld3_lane/vld3q_lane */
200  clean_results ();
201#undef TEST_MSG
202#define TEST_MSG "VLD3_LANE/VLD3Q_LANE"
203  TEST_ALL_VLDX_LANE(3);
204#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
205  TEST_ALL_VLDX_LANE_FP16(3);
206#endif
207  dump_results_hex2 (TEST_MSG, " chunk 0");
208  TEST_ALL_EXTRA_CHUNKS(3, 1);
209#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
210  TEST_ALL_EXTRA_CHUNKS_FP16(3, 1);
211#endif
212  dump_results_hex2 (TEST_MSG, " chunk 1");
213  TEST_ALL_EXTRA_CHUNKS(3, 2);
214#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
215  TEST_ALL_EXTRA_CHUNKS_FP16(3, 2);
216#endif
217  dump_results_hex2 (TEST_MSG, " chunk 2");
218
219  /* Check vld4_lane/vld4q_lane */
220  clean_results ();
221#undef TEST_MSG
222#define TEST_MSG "VLD4_LANE/VLD4Q_LANE"
223  TEST_ALL_VLDX_LANE(4);
224#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
225  TEST_ALL_VLDX_LANE_FP16(4);
226#endif
227  dump_results_hex2 (TEST_MSG, " chunk 0");
228  TEST_ALL_EXTRA_CHUNKS(4, 1);
229#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
230  TEST_ALL_EXTRA_CHUNKS_FP16(4, 1);
231#endif
232  dump_results_hex2 (TEST_MSG, " chunk 1");
233  TEST_ALL_EXTRA_CHUNKS(4, 2);
234#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
235  TEST_ALL_EXTRA_CHUNKS_FP16(4, 2);
236#endif
237  dump_results_hex2 (TEST_MSG, " chunk 2");
238  TEST_ALL_EXTRA_CHUNKS(4, 3);
239#if defined(__ARM_FP16_FORMAT_IEEE) && ( ((__ARM_FP & 0x2) != 0) || ((__ARM_NEON_FP16_INTRINSICS & 1) != 0) )
240  TEST_ALL_EXTRA_CHUNKS_FP16(4, 3);
241#endif
242  dump_results_hex2 (TEST_MSG, " chunk 3");
243}
244