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 INSN vqshl
35 #define TEST_MSG "VQSHL/VQSHLQ"
36
37 #define FNNAME1(NAME) void exec_ ## NAME (void)
38 #define FNNAME(NAME) FNNAME1(NAME)
39
FNNAME(INSN)40 FNNAME (INSN)
41 {
42 /* Basic test: v3=vqshl(v1,v2), then store the result. */
43 #define TEST_VQSHL2(INSN, T3, Q, T1, T2, W, N) \
44 Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
45 VECT_VAR(vector_res, T1, W, N) = \
46 INSN##Q##_##T2##W(VECT_VAR(vector, T1, W, N), \
47 VECT_VAR(vector_shift, T3, W, N)); \
48 vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \
49 VECT_VAR(vector_res, T1, W, N)); \
50 dump_neon_cumulative_sat(TEST_MSG, xSTR(INSN##Q##_##T2##W), \
51 xSTR(T1), W, N)
52
53 /* Two auxliary macros are necessary to expand INSN */
54 #define TEST_VQSHL1(INSN, T3, Q, T1, T2, W, N) \
55 TEST_VQSHL2(INSN, T3, Q, T1, T2, W, N)
56
57 #define TEST_VQSHL(T3, Q, T1, T2, W, N) \
58 TEST_VQSHL1(INSN, T3, Q, T1, T2, W, N)
59
60
61 /* With ARM RVCT, we need to declare variables before any executable
62 statement */
63 DECL_VARIABLE_ALL_VARIANTS(vector);
64 DECL_VARIABLE_ALL_VARIANTS(vector_res);
65
66 DECL_VARIABLE_SIGNED_VARIANTS(vector_shift);
67
68 clean_results ();
69
70 /* Fill input vector with 0, to check saturation on limits */
71 VDUP(vector, , int, s, 8, 8, 0);
72 VDUP(vector, , int, s, 16, 4, 0);
73 VDUP(vector, , int, s, 32, 2, 0);
74 VDUP(vector, , int, s, 64, 1, 0);
75 VDUP(vector, , uint, u, 8, 8, 0);
76 VDUP(vector, , uint, u, 16, 4, 0);
77 VDUP(vector, , uint, u, 32, 2, 0);
78 VDUP(vector, , uint, u, 64, 1, 0);
79 VDUP(vector, q, int, s, 8, 16, 0);
80 VDUP(vector, q, int, s, 16, 8, 0);
81 VDUP(vector, q, int, s, 32, 4, 0);
82 VDUP(vector, q, int, s, 64, 2, 0);
83 VDUP(vector, q, uint, u, 8, 16, 0);
84 VDUP(vector, q, uint, u, 16, 8, 0);
85 VDUP(vector, q, uint, u, 32, 4, 0);
86 VDUP(vector, q, uint, u, 64, 2, 0);
87
88 /* Choose init value arbitrarily, will be used as shift amount */
89 /* Use values equal or one-less-than the type width to check
90 behaviour on limits */
91 /* Shift all lanes by 7 ... */
92 VDUP(vector_shift, , int, s, 8, 8, 7);
93 /* except: lane 0 (by 6), lane 1 (by 8) and lane 2 (by 9) */
94 TEST_VSET_LANE(vector_shift, , int, s, 8, 8, 0, 6);
95 TEST_VSET_LANE(vector_shift, , int, s, 8, 8, 1, 8);
96 TEST_VSET_LANE(vector_shift, , int, s, 8, 8, 2, 9);
97
98 VDUP(vector_shift, , int, s, 16, 4, 15);
99 TEST_VSET_LANE(vector_shift, , int, s, 16, 4, 0, 14);
100 TEST_VSET_LANE(vector_shift, , int, s, 16, 4, 1, 16);
101 TEST_VSET_LANE(vector_shift, , int, s, 16, 4, 2, 17);
102
103 VDUP(vector_shift, , int, s, 32, 2, 31);
104 TEST_VSET_LANE(vector_shift, , int, s, 32, 2, 1, 30);
105
106 VDUP(vector_shift, , int, s, 64, 1, 63);
107
108 VDUP(vector_shift, q, int, s, 8, 16, 8);
109 VDUP(vector_shift, q, int, s, 16, 8, 16);
110 VDUP(vector_shift, q, int, s, 32, 4, 32);
111 TEST_VSET_LANE(vector_shift, q, int, s, 32, 4, 1, 33);
112
113 VDUP(vector_shift, q, int, s, 64, 2, 64);
114 TEST_VSET_LANE(vector_shift, q, int, s, 64, 2, 1, 62);
115
116 fprintf(ref_file, "\n%s cumulative saturation output:\n",
117 TEST_MSG " (with input = 0)");
118 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
119 dump_results_hex2 (TEST_MSG, " (with input = 0)");
120
121
122 /* Use negative shift amounts */
123 VDUP(vector_shift, , int, s, 8, 8, -1);
124 VDUP(vector_shift, , int, s, 16, 4, -2);
125 VDUP(vector_shift, , int, s, 32, 2, -3);
126 VDUP(vector_shift, , int, s, 64, 1, -4);
127 VDUP(vector_shift, q, int, s, 8, 16, -7);
128 VDUP(vector_shift, q, int, s, 16, 8, -11);
129 VDUP(vector_shift, q, int, s, 32, 4, -13);
130 VDUP(vector_shift, q, int, s, 64, 2, -20);
131
132 fprintf(ref_file, "\n%s cumulative saturation output:\n",
133 TEST_MSG " (input 0 and negative shift amount)");
134 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
135 dump_results_hex2 (TEST_MSG, " (input 0 and negative shift amount)");
136
137 /* Test again, with predefined input values */
138 TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer);
139
140 /* Choose init value arbitrarily, will be used as shift amount */
141 VDUP(vector_shift, , int, s, 8, 8, 1);
142 VDUP(vector_shift, , int, s, 16, 4, 3);
143 VDUP(vector_shift, , int, s, 32, 2, 8);
144 VDUP(vector_shift, , int, s, 64, 1, -3);
145 VDUP(vector_shift, q, int, s, 8, 16, 10);
146 VDUP(vector_shift, q, int, s, 16, 8, 12);
147 VDUP(vector_shift, q, int, s, 32, 4, 32);
148 VDUP(vector_shift, q, int, s, 64, 2, 63);
149
150 fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG);
151 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
152 dump_results_hex (TEST_MSG);
153
154 /* Use negative shift amounts */
155 VDUP(vector_shift, , int, s, 8, 8, -1);
156 VDUP(vector_shift, , int, s, 16, 4, -2);
157 VDUP(vector_shift, , int, s, 32, 2, -3);
158 VDUP(vector_shift, , int, s, 64, 1, -4);
159 VDUP(vector_shift, q, int, s, 8, 16, -7);
160 VDUP(vector_shift, q, int, s, 16, 8, -11);
161 VDUP(vector_shift, q, int, s, 32, 4, -13);
162 VDUP(vector_shift, q, int, s, 64, 2, -20);
163
164 fprintf(ref_file, "\n%s cumulative saturation output:\n",
165 TEST_MSG " (negative shift amount)");
166 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
167 dump_results_hex2 (TEST_MSG, " (negative shift amount)");
168
169 /* Use large shift amounts */
170 VDUP(vector_shift, , int, s, 8, 8, 8);
171 VDUP(vector_shift, , int, s, 16, 4, 16);
172 VDUP(vector_shift, , int, s, 32, 2, 32);
173 VDUP(vector_shift, , int, s, 64, 1, 64);
174 VDUP(vector_shift, q, int, s, 8, 16, 8);
175 VDUP(vector_shift, q, int, s, 16, 8, 16);
176 VDUP(vector_shift, q, int, s, 32, 4, 32);
177 VDUP(vector_shift, q, int, s, 64, 2, 64);
178
179 fprintf(ref_file, "\n%s cumulative saturation output:\n",
180 TEST_MSG " (large shift amount, negative input)");
181 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
182 dump_results_hex2 (TEST_MSG, " (large shift amount, negative input)");
183
184 /* Fill input vector with max value, to check saturation on limits */
185 VDUP(vector, , int, s, 8, 8, 0x7F);
186 VDUP(vector, , int, s, 16, 4, 0x7FFF);
187 VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
188 VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
189 VDUP(vector, , uint, u, 8, 8, 0xFF);
190 VDUP(vector, , uint, u, 16, 4, 0xFFFF);
191 VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF);
192 VDUP(vector, , uint, u, 64, 1, 0xFFFFFFFFFFFFFFFFULL);
193 VDUP(vector, q, int, s, 8, 16, 0x7F);
194 VDUP(vector, q, int, s, 16, 8, 0x7FFF);
195 VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
196 VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
197 VDUP(vector, q, uint, u, 8, 16, 0xFF);
198 VDUP(vector, q, uint, u, 16, 8, 0xFFFF);
199 VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF);
200 VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL);
201
202 /* Shift by -1 */
203 VDUP(vector_shift, , int, s, 8, 8, -1);
204 VDUP(vector_shift, , int, s, 16, 4, -1);
205 VDUP(vector_shift, , int, s, 32, 2, -1);
206 VDUP(vector_shift, , int, s, 64, 1, -1);
207 VDUP(vector_shift, q, int, s, 8, 16, -1);
208 VDUP(vector_shift, q, int, s, 16, 8, -1);
209 VDUP(vector_shift, q, int, s, 32, 4, -1);
210 VDUP(vector_shift, q, int, s, 64, 2, -1);
211
212 fprintf(ref_file, "\n%s cumulative saturation output:\n",
213 TEST_MSG " (check cumulative saturation)");
214 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
215 dump_results_hex2 (TEST_MSG, " (check cumulative saturation)");
216
217 /* Use large shift amounts */
218 VDUP(vector_shift, , int, s, 8, 8, 8);
219 VDUP(vector_shift, , int, s, 16, 4, 16);
220 VDUP(vector_shift, , int, s, 32, 2, 32);
221 VDUP(vector_shift, , int, s, 64, 1, 64);
222 VDUP(vector_shift, q, int, s, 8, 16, 8);
223 VDUP(vector_shift, q, int, s, 16, 8, 16);
224 VDUP(vector_shift, q, int, s, 32, 4, 32);
225 VDUP(vector_shift, q, int, s, 64, 2, 64);
226
227 fprintf(ref_file, "\n%s cumulative saturation output:\n",
228 TEST_MSG " (large shift amount, positive input)");
229 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
230 dump_results_hex2 (TEST_MSG, " (large shift amount, positive input)");
231
232 /* Check 64 bits saturation */
233 VDUP(vector, , int, s, 64, 1, -10);
234 VDUP(vector_shift, , int, s, 64, 1, 64);
235 VDUP(vector, q, int, s, 64, 2, 10);
236 VDUP(vector_shift, q, int, s, 64, 2, 64);
237 fprintf(ref_file, "\n%s cumulative saturation output:\n",
238 TEST_MSG " (check saturation on 64 bits)");
239 TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int);
240 dump_results_hex2 (TEST_MSG, " (check saturation on 64 bits)");
241 }
242