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1 /*
2 
3 Copyright (c) 2009, 2010, 2011, 2013 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 #include <math.h>
34 
35 
36 #define FNNAME1(NAME) void exec_ ## NAME (void)
37 #define FNNAME(NAME) FNNAME1(NAME)
38 
FNNAME(INSN_NAME)39 FNNAME (INSN_NAME)
40 {
41   int i;
42 
43   /* Basic test: y=vcomp(x,x), then store the result.  */
44 #define TEST_VCOMP1(INSN, Q, T1, T2, T3, W, N)				\
45   VECT_VAR(vector_res, T3, W, N) =					\
46     INSN##Q##_##T2##W(VECT_VAR(vector, T1, W, N),			\
47 		      VECT_VAR(vector2, T1, W, N));			\
48   vst1##Q##_u##W(VECT_VAR(result, T3, W, N), VECT_VAR(vector_res, T3, W, N))
49 
50 #define TEST_VCOMP(INSN, Q, T1, T2, T3, W, N)				\
51   TEST_VCOMP1(INSN, Q, T1, T2, T3, W, N)
52 
53   /* With ARM RVCT, we need to declare variables before any executable
54      statement */
55   /* No need for 64 bits elements */
56   DECL_VARIABLE(vector, int, 8, 8);
57   DECL_VARIABLE(vector, int, 16, 4);
58   DECL_VARIABLE(vector, int, 32, 2);
59   DECL_VARIABLE(vector, uint, 8, 8);
60   DECL_VARIABLE(vector, uint, 16, 4);
61   DECL_VARIABLE(vector, uint, 32, 2);
62   DECL_VARIABLE(vector, float, 32, 2);
63   DECL_VARIABLE(vector, int, 8, 16);
64   DECL_VARIABLE(vector, int, 16, 8);
65   DECL_VARIABLE(vector, int, 32, 4);
66   DECL_VARIABLE(vector, uint, 8, 16);
67   DECL_VARIABLE(vector, uint, 16, 8);
68   DECL_VARIABLE(vector, uint, 32, 4);
69   DECL_VARIABLE(vector, float, 32, 4);
70 
71   DECL_VARIABLE(vector2, int, 8, 8);
72   DECL_VARIABLE(vector2, int, 16, 4);
73   DECL_VARIABLE(vector2, int, 32, 2);
74   DECL_VARIABLE(vector2, uint, 8, 8);
75   DECL_VARIABLE(vector2, uint, 16, 4);
76   DECL_VARIABLE(vector2, uint, 32, 2);
77   DECL_VARIABLE(vector2, float, 32, 2);
78   DECL_VARIABLE(vector2, int, 8, 16);
79   DECL_VARIABLE(vector2, int, 16, 8);
80   DECL_VARIABLE(vector2, int, 32, 4);
81   DECL_VARIABLE(vector2, uint, 8, 16);
82   DECL_VARIABLE(vector2, uint, 16, 8);
83   DECL_VARIABLE(vector2, uint, 32, 4);
84   DECL_VARIABLE(vector2, float, 32, 4);
85 
86   DECL_VARIABLE(vector_res, uint, 8, 8);
87   DECL_VARIABLE(vector_res, uint, 16, 4);
88   DECL_VARIABLE(vector_res, uint, 32, 2);
89   DECL_VARIABLE(vector_res, uint, 8, 16);
90   DECL_VARIABLE(vector_res, uint, 16, 8);
91   DECL_VARIABLE(vector_res, uint, 32, 4);
92 
93   clean_results ();
94 
95   /* There is no 64 bits variant, we can't use the generic initializer  */
96   VLOAD(vector, buffer, , int, s, 8, 8);
97   VLOAD(vector, buffer, , int, s, 16, 4);
98   VLOAD(vector, buffer, , int, s, 32, 2);
99   VLOAD(vector, buffer, , uint, u, 8, 8);
100   VLOAD(vector, buffer, , uint, u, 16, 4);
101   VLOAD(vector, buffer, , uint, u, 32, 2);
102   VLOAD(vector, buffer, , float, f, 32, 2);
103 
104   VLOAD(vector, buffer, q, int, s, 8, 16);
105   VLOAD(vector, buffer, q, int, s, 16, 8);
106   VLOAD(vector, buffer, q, int, s, 32, 4);
107   VLOAD(vector, buffer, q, uint, u, 8, 16);
108   VLOAD(vector, buffer, q, uint, u, 16, 8);
109   VLOAD(vector, buffer, q, uint, u, 32, 4);
110   VLOAD(vector, buffer, q, float, f, 32, 4);
111 
112   /* Choose init value arbitrarily, will be used for vector
113      comparison */
114   VDUP(vector2, , int, s, 8, 8, -10);
115   VDUP(vector2, , int, s, 16, 4, -14);
116   VDUP(vector2, , int, s, 32, 2, -16);
117   VDUP(vector2, , uint, u, 8, 8, 0xF3);
118   VDUP(vector2, , uint, u, 16, 4, 0xFFF2);
119   VDUP(vector2, , uint, u, 32, 2, 0xFFFFFFF1);
120   VDUP(vector2, , float, f, 32, 2, -15.0f);
121 
122   VDUP(vector2, q, int, s, 8, 16, -4);
123   VDUP(vector2, q, int, s, 16, 8, -10);
124   VDUP(vector2, q, int, s, 32, 4, -14);
125   VDUP(vector2, q, uint, u, 8, 16, 0xF4);
126   VDUP(vector2, q, uint, u, 16, 8, 0xFFF6);
127   VDUP(vector2, q, uint, u, 32, 4, 0xFFFFFFF2);
128   VDUP(vector2, q, float, f, 32, 4, -14.0f);
129 
130   /* The same result buffers are used multiple times, so output them
131      before overwriting them  */
132   fprintf(ref_file, "\n%s output:\n", TEST_MSG);
133   fprintf(gcc_tests_file, "\n%s output:\n", TEST_MSG);
134   TEST_VCOMP(INSN_NAME, , int, s, uint, 8, 8);
135   TEST_VCOMP(INSN_NAME, , int, s, uint, 16, 4);
136   TEST_VCOMP(INSN_NAME, , int, s, uint, 32, 2);
137   DUMP(TEST_MSG, uint, 8, 8, PRIx8);
138   DUMP(TEST_MSG, uint, 16, 4, PRIx16);
139   DUMP(TEST_MSG, uint, 32, 2, PRIx32);
140 
141   TEST_VCOMP(INSN_NAME, , uint, u, uint, 8, 8);
142   TEST_VCOMP(INSN_NAME, , uint, u, uint, 16, 4);
143   TEST_VCOMP(INSN_NAME, , uint, u, uint, 32, 2);
144   DUMP(TEST_MSG, uint, 8, 8, PRIx8);
145   DUMP(TEST_MSG, uint, 16, 4, PRIx16);
146   DUMP(TEST_MSG, uint, 32, 2, PRIx32);
147 
148   TEST_VCOMP(INSN_NAME, q, int, s, uint, 8, 16);
149   TEST_VCOMP(INSN_NAME, q, int, s, uint, 16, 8);
150   TEST_VCOMP(INSN_NAME, q, int, s, uint, 32, 4);
151   DUMP(TEST_MSG, uint, 8, 16, PRIx8);
152   DUMP(TEST_MSG, uint, 16, 8, PRIx16);
153   DUMP(TEST_MSG, uint, 32, 4, PRIx32);
154 
155   TEST_VCOMP(INSN_NAME, q, uint, u, uint, 8, 16);
156   TEST_VCOMP(INSN_NAME, q, uint, u, uint, 16, 8);
157   TEST_VCOMP(INSN_NAME, q, uint, u, uint, 32, 4);
158   DUMP(TEST_MSG, uint, 8, 16, PRIx8);
159   DUMP(TEST_MSG, uint, 16, 8, PRIx16);
160   DUMP(TEST_MSG, uint, 32, 4, PRIx32);
161 
162   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
163   DUMP(TEST_MSG, uint, 32, 2, PRIx32);
164 
165   TEST_VCOMP(INSN_NAME, q, float, f, uint, 32, 4);
166   DUMP(TEST_MSG, uint, 32, 4, PRIx32);
167 
168   /* Extra tests to have 100% coverage on all the variants */
169   VDUP(vector2, , uint, u, 32, 2, 0xFFFFFFF0);
170   TEST_VCOMP(INSN_NAME, , uint, u, uint, 32, 2);
171   DUMP(TEST_MSG, uint, 32, 2, PRIx32);
172 
173   VDUP(vector2, , int, s, 32, 2, -15);
174   TEST_VCOMP(INSN_NAME, , int, s, uint, 32, 2);
175   DUMP(TEST_MSG, uint, 32, 2, PRIx32);
176 
177   VDUP(vector2, , float, f, 32, 2, -16.0f);
178   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
179   DUMP(TEST_MSG, uint, 32, 2, PRIx32);
180 
181 
182   /* Extra FP tests with special values (NaN, ....) */
183   VDUP(vector, , float, f, 32, 2, 1.0);
184   VDUP(vector2, , float, f, 32, 2, NAN);
185   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
186   DUMP(TEST_MSG " FP special (NaN)", uint, 32, 2, PRIx32);
187 
188   VDUP(vector, , float, f, 32, 2, 1.0);
189   VDUP(vector2, , float, f, 32, 2, -NAN);
190   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
191   DUMP(TEST_MSG " FP special (-NaN)", uint, 32, 2, PRIx32);
192 
193   VDUP(vector, , float, f, 32, 2, NAN);
194   VDUP(vector2, , float, f, 32, 2, 1.0);
195   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
196   DUMP(TEST_MSG " FP special (NaN)", uint, 32, 2, PRIx32);
197 
198   VDUP(vector, , float, f, 32, 2, 1.0);
199   VDUP(vector2, , float, f, 32, 2, HUGE_VALF);
200   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
201   DUMP(TEST_MSG " FP special (inf)", uint, 32, 2, PRIx32);
202 
203   VDUP(vector, , float, f, 32, 2, 1.0);
204   VDUP(vector2, , float, f, 32, 2, -HUGE_VALF);
205   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
206   DUMP(TEST_MSG " FP special (-inf)", uint, 32, 2, PRIx32);
207 
208   VDUP(vector, , float, f, 32, 2, HUGE_VALF);
209   VDUP(vector2, , float, f, 32, 2, 1.0);
210   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
211   DUMP(TEST_MSG " FP special (inf)", uint, 32, 2, PRIx32);
212 
213   VDUP(vector, , float, f, 32, 2, -0.0);
214   VDUP(vector2, , float, f, 32, 2, 0.0);
215   TEST_VCOMP(INSN_NAME, , float, f, uint, 32, 2);
216   DUMP(TEST_MSG " FP special (-0.0)", uint, 32, 2, PRIx32);
217 
218 #ifdef EXTRA_TESTS
219   EXTRA_TESTS();
220 #endif
221 }
222