• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2 
3 Copyright (c) 2009, 2010, 2011, 2012 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 vqrshl
35 #define TEST_MSG "VQRSHL/VQRSHLQ"
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=vqrshl(v1,v2), then store the result.  */
43 #define TEST_VQRSHL2(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_VQRSHL1(INSN, T3, Q, T1, T2, W, N)	\
55   TEST_VQRSHL2(INSN, T3, Q, T1, T2, W, N)
56 
57 #define TEST_VQRSHL(T3, Q, T1, T2, W, N)	\
58   TEST_VQRSHL1(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   VDUP(vector_shift, , int, s, 8, 8, 7);
92   VDUP(vector_shift, , int, s, 16, 4, 15);
93   VDUP(vector_shift, , int, s, 32, 2, 31);
94   VDUP(vector_shift, , int, s, 64, 1, 63);
95   VDUP(vector_shift, q, int, s, 8, 16, 8);
96   VDUP(vector_shift, q, int, s, 16, 8, 16);
97   VDUP(vector_shift, q, int, s, 32, 4, 32);
98   VDUP(vector_shift, q, int, s, 64, 2, 64);
99 
100   fprintf(ref_file, "\n%s cumulative saturation output:\n",
101 	  TEST_MSG " (with input = 0)");
102   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
103   dump_results_hex2 (TEST_MSG, " (with input = 0)");
104 
105   /* Use negative shift amounts */
106   VDUP(vector_shift, , int, s, 8, 8, -1);
107   VDUP(vector_shift, , int, s, 16, 4, -2);
108   VDUP(vector_shift, , int, s, 32, 2, -3);
109   VDUP(vector_shift, , int, s, 64, 1, -4);
110   VDUP(vector_shift, q, int, s, 8, 16, -7);
111   VDUP(vector_shift, q, int, s, 16, 8, -11);
112   VDUP(vector_shift, q, int, s, 32, 4, -13);
113   VDUP(vector_shift, q, int, s, 64, 2, -20);
114 
115   fprintf(ref_file, "\n%s cumulative saturation output:\n",
116 	  TEST_MSG " (input 0 and negative shift amount)");
117   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
118   dump_results_hex2 (TEST_MSG, " (input 0 and negative shift amount)");
119 
120   /* Test again, with predefined input values */
121   TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer);
122 
123   /* Choose init value arbitrarily, will be used as shift amount */
124   VDUP(vector_shift, , int, s, 8, 8, 1);
125   VDUP(vector_shift, , int, s, 16, 4, 3);
126   VDUP(vector_shift, , int, s, 32, 2, 8);
127   VDUP(vector_shift, , int, s, 64, 1, 3);
128   VDUP(vector_shift, q, int, s, 8, 16, 10);
129   VDUP(vector_shift, q, int, s, 16, 8, 12);
130   VDUP(vector_shift, q, int, s, 32, 4, 31);
131   VDUP(vector_shift, q, int, s, 64, 2, 63);
132 
133   fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG);
134   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
135   dump_results_hex (TEST_MSG);
136 
137   /* Use negative shift amounts */
138   VDUP(vector_shift, , int, s, 8, 8, -2);
139   VDUP(vector_shift, , int, s, 16, 4, -2);
140   VDUP(vector_shift, , int, s, 32, 2, -3);
141   VDUP(vector_shift, , int, s, 64, 1, -4);
142   VDUP(vector_shift, q, int, s, 8, 16, -7);
143   VDUP(vector_shift, q, int, s, 16, 8, -11);
144   VDUP(vector_shift, q, int, s, 32, 4, -13);
145   VDUP(vector_shift, q, int, s, 64, 2, -20);
146 
147   fprintf(ref_file, "\n%s cumulative saturation output:\n",
148 	  TEST_MSG " (negative shift amount)");
149   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
150   dump_results_hex2 (TEST_MSG, " (negative shift amount)");
151 
152 
153   /* Fill input vector with max value, to check saturation on limits */
154   VDUP(vector, , int, s, 8, 8, 0x7F);
155   VDUP(vector, , int, s, 16, 4, 0x7FFF);
156   VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
157   VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
158   VDUP(vector, , uint, u, 8, 8, 0xFF);
159   VDUP(vector, , uint, u, 16, 4, 0xFFFF);
160   VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF);
161   VDUP(vector, , uint, u, 64, 1, 0xFFFFFFFFFFFFFFFFULL);
162   VDUP(vector, q, int, s, 8, 16, 0x7F);
163   VDUP(vector, q, int, s, 16, 8, 0x7FFF);
164   VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
165   VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
166   VDUP(vector, q, uint, u, 8, 16, 0xFF);
167   VDUP(vector, q, uint, u, 16, 8, 0xFFFF);
168   VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF);
169   VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL);
170 
171   /* Use -1 shift amount to check cumulative saturation with round_const */
172   VDUP(vector_shift, , int, s, 8, 8, -1);
173   VDUP(vector_shift, , int, s, 16, 4, -1);
174   VDUP(vector_shift, , int, s, 32, 2, -1);
175   VDUP(vector_shift, , int, s, 64, 1, -1);
176   VDUP(vector_shift, q, int, s, 8, 16, -1);
177   VDUP(vector_shift, q, int, s, 16, 8, -1);
178   VDUP(vector_shift, q, int, s, 32, 4, -1);
179   VDUP(vector_shift, q, int, s, 64, 2, -1);
180 
181   fprintf(ref_file, "\n%s cumulative saturation output:\n",
182 	  TEST_MSG " (checking cumulative saturation: shift by -1)");
183   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
184   dump_results_hex2 (TEST_MSG,
185 		     " (checking cumulative saturation: shift by -1)");
186 
187 
188   /* Use -3 shift amount to check cumulative saturation with round_const */
189   VDUP(vector_shift, , int, s, 8, 8, -3);
190   VDUP(vector_shift, , int, s, 16, 4, -3);
191   VDUP(vector_shift, , int, s, 32, 2, -3);
192   VDUP(vector_shift, , int, s, 64, 1, -3);
193   VDUP(vector_shift, q, int, s, 8, 16, -3);
194   VDUP(vector_shift, q, int, s, 16, 8, -3);
195   VDUP(vector_shift, q, int, s, 32, 4, -3);
196   VDUP(vector_shift, q, int, s, 64, 2, -3);
197 
198   fprintf(ref_file, "\n%s cumulative saturation output:\n",
199 	  TEST_MSG " (checking cumulative saturation: shift by -3)");
200   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
201   dump_results_hex2 (TEST_MSG,
202 		     " (checking cumulative saturation: shift by -3)");
203 
204 
205   /* Use large shift amount  */
206   VDUP(vector_shift, , int, s, 8, 8, 10);
207   VDUP(vector_shift, , int, s, 16, 4, 20);
208   VDUP(vector_shift, , int, s, 32, 2, 40);
209   VDUP(vector_shift, , int, s, 64, 1, 70);
210   VDUP(vector_shift, q, int, s, 8, 16, 10);
211   VDUP(vector_shift, q, int, s, 16, 8, 20);
212   VDUP(vector_shift, q, int, s, 32, 4, 40);
213   VDUP(vector_shift, q, int, s, 64, 2, 70);
214 
215   fprintf(ref_file, "\n%s cumulative saturation output:\n",
216 	  TEST_MSG " (checking cumulative saturation: large shift amount)");
217   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
218   dump_results_hex2 (TEST_MSG,
219 		     " (checking cumulative saturation: large shift amount)");
220 
221 
222   /* Fill input vector with negative values, to check saturation on limits */
223   VDUP(vector, , int, s, 8, 8, 0x80);
224   VDUP(vector, , int, s, 16, 4, 0x8000);
225   VDUP(vector, , int, s, 32, 2, 0x80000000);
226   VDUP(vector, , int, s, 64, 1, 0x8000000000000000LL);
227   VDUP(vector, q, int, s, 8, 16, 0x80);
228   VDUP(vector, q, int, s, 16, 8, 0x8000);
229   VDUP(vector, q, int, s, 32, 4, 0x80000000);
230   VDUP(vector, q, int, s, 64, 2, 0x8000000000000000LL);
231 
232   /* Use large shift amount  */
233   VDUP(vector_shift, , int, s, 8, 8, 10);
234   VDUP(vector_shift, , int, s, 16, 4, 20);
235   VDUP(vector_shift, , int, s, 32, 2, 40);
236   VDUP(vector_shift, , int, s, 64, 1, 70);
237   VDUP(vector_shift, q, int, s, 8, 16, 10);
238   VDUP(vector_shift, q, int, s, 16, 8, 20);
239   VDUP(vector_shift, q, int, s, 32, 4, 40);
240   VDUP(vector_shift, q, int, s, 64, 2, 70);
241 
242   fprintf(ref_file, "\n%s cumulative saturation output:\n",
243 	  TEST_MSG " (checking cumulative saturation: large shift amount with negative input)");
244   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
245   dump_results_hex2 (TEST_MSG,
246 		     " (checking cumulative saturation: large shift amount with negative input)");
247 
248 
249   /* Fill input vector with negative and positive values, to check
250    * saturation on limits */
251   VDUP(vector, , int, s, 8, 8, 0x7F);
252   VDUP(vector, , int, s, 16, 4, 0x7FFF);
253   VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
254   VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
255   VDUP(vector, q, int, s, 8, 16, 0x80);
256   VDUP(vector, q, int, s, 16, 8, 0x8000);
257   VDUP(vector, q, int, s, 32, 4, 0x80000000);
258   VDUP(vector, q, int, s, 64, 2, 0x8000000000000000LL);
259 
260   /* Use large negative shift amount  */
261   VDUP(vector_shift, , int, s, 8, 8, -10);
262   VDUP(vector_shift, , int, s, 16, 4, -20);
263   VDUP(vector_shift, , int, s, 32, 2, -40);
264   VDUP(vector_shift, , int, s, 64, 1, -70);
265   VDUP(vector_shift, q, int, s, 8, 16, -10);
266   VDUP(vector_shift, q, int, s, 16, 8, -20);
267   VDUP(vector_shift, q, int, s, 32, 4, -40);
268   VDUP(vector_shift, q, int, s, 64, 2, -70);
269 
270   fprintf(ref_file, "\n%s cumulative saturation output:\n",
271 	  TEST_MSG " (checking cumulative saturation: large negative shift amount)");
272   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
273   dump_results_hex2 (TEST_MSG,
274 		     " (checking cumulative saturation: large negative shift amount)");
275 
276 
277   /* Fill input vector with 0, to check saturation in case of large
278    * shift amount */
279   VDUP(vector, , int, s, 8, 8, 0);
280   VDUP(vector, , int, s, 16, 4, 0);
281   VDUP(vector, , int, s, 32, 2, 0);
282   VDUP(vector, , int, s, 64, 1, 0);
283   VDUP(vector, q, int, s, 8, 16, 0);
284   VDUP(vector, q, int, s, 16, 8, 0);
285   VDUP(vector, q, int, s, 32, 4, 0);
286   VDUP(vector, q, int, s, 64, 2, 0);
287 
288   /* Use large shift amount  */
289   VDUP(vector_shift, , int, s, 8, 8, -10);
290   VDUP(vector_shift, , int, s, 16, 4, -20);
291   VDUP(vector_shift, , int, s, 32, 2, -40);
292   VDUP(vector_shift, , int, s, 64, 1, -70);
293   VDUP(vector_shift, q, int, s, 8, 16, -10);
294   VDUP(vector_shift, q, int, s, 16, 8, -20);
295   VDUP(vector_shift, q, int, s, 32, 4, -40);
296   VDUP(vector_shift, q, int, s, 64, 2, -70);
297 
298   fprintf(ref_file, "\n%s cumulative saturation output:\n",
299 	  TEST_MSG " (checking cumulative saturation: large shift amount with 0 input)");
300   TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
301   dump_results_hex2 (TEST_MSG,
302 		     " (checking cumulative saturation: large shift amount with 0 input)");
303 }
304