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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 #include <math.h>
34 
35 #define TEST_MSG "VABD/VABDQ"
exec_vabd(void)36 void exec_vabd (void)
37 {
38   int i;
39 
40   /* Basic test: v4=vabd(v1,v2), then store the result.  */
41 #define TEST_VABD(Q, T1, T2, W, N)					\
42   VECT_VAR(vector_res, T1, W, N) =					\
43     vabd##Q##_##T2##W(VECT_VAR(vector1, T1, W, N),			\
44 		      VECT_VAR(vector2, T1, W, N));			\
45   vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), VECT_VAR(vector_res, T1, W, N))
46 
47   /* With ARM RVCT, we need to declare variables before any executable
48      statement */
49 #define DECL_VABD_VAR(VAR)			\
50   DECL_VARIABLE(VAR, int, 8, 8);		\
51   DECL_VARIABLE(VAR, int, 16, 4);		\
52   DECL_VARIABLE(VAR, int, 32, 2);		\
53   DECL_VARIABLE(VAR, uint, 8, 8);		\
54   DECL_VARIABLE(VAR, uint, 16, 4);		\
55   DECL_VARIABLE(VAR, uint, 32, 2);		\
56   DECL_VARIABLE(VAR, float, 32, 2);		\
57   DECL_VARIABLE(VAR, int, 8, 16);		\
58   DECL_VARIABLE(VAR, int, 16, 8);		\
59   DECL_VARIABLE(VAR, int, 32, 4);		\
60   DECL_VARIABLE(VAR, uint, 8, 16);		\
61   DECL_VARIABLE(VAR, uint, 16, 8);		\
62   DECL_VARIABLE(VAR, uint, 32, 4);		\
63   DECL_VARIABLE(VAR, float, 32, 4)
64 
65   DECL_VABD_VAR(vector1);
66   DECL_VABD_VAR(vector2);
67   DECL_VABD_VAR(vector_res);
68 
69   clean_results ();
70 
71   /* Initialize input "vector" from "buffer"  */
72   VLOAD(vector1, buffer, , int, s, 8, 8);
73   VLOAD(vector1, buffer, , int, s, 16, 4);
74   VLOAD(vector1, buffer, , int, s, 32, 2);
75   VLOAD(vector1, buffer, , uint, u, 8, 8);
76   VLOAD(vector1, buffer, , uint, u, 16, 4);
77   VLOAD(vector1, buffer, , uint, u, 32, 2);
78   VLOAD(vector1, buffer, , float, f, 32, 2);
79   VLOAD(vector1, buffer, q, int, s, 8, 16);
80   VLOAD(vector1, buffer, q, int, s, 16, 8);
81   VLOAD(vector1, buffer, q, int, s, 32, 4);
82   VLOAD(vector1, buffer, q, uint, u, 8, 16);
83   VLOAD(vector1, buffer, q, uint, u, 16, 8);
84   VLOAD(vector1, buffer, q, uint, u, 32, 4);
85   VLOAD(vector1, buffer, q, float, f, 32, 4);
86 
87   /* Choose init value arbitrarily */
88   VDUP(vector2, , int, s, 8, 8, 1);
89   VDUP(vector2, , int, s, 16, 4, -13);
90   VDUP(vector2, , int, s, 32, 2, 8);
91   VDUP(vector2, , uint, u, 8, 8, 1);
92   VDUP(vector2, , uint, u, 16, 4, 13);
93   VDUP(vector2, , uint, u, 32, 2, 8);
94   VDUP(vector2, , float, f, 32, 2, 8.3f);
95   VDUP(vector2, q, int, s, 8, 16, 10);
96   VDUP(vector2, q, int, s, 16, 8, -12);
97   VDUP(vector2, q, int, s, 32, 4, 32);
98   VDUP(vector2, q, uint, u, 8, 16, 10);
99   VDUP(vector2, q, uint, u, 16, 8, 12);
100   VDUP(vector2, q, uint, u, 32, 4, 32);
101   VDUP(vector2, q, float, f, 32, 4, 32.12f);
102 
103   TEST_VABD(, int, s, 8, 8);
104   TEST_VABD(, int, s, 16, 4);
105   TEST_VABD(, int, s, 32, 2);
106   TEST_VABD(, uint, u, 8, 8);
107   TEST_VABD(, uint, u, 16, 4);
108   TEST_VABD(, uint, u, 32, 2);
109   TEST_VABD(, float, f, 32, 2);
110   TEST_VABD(q, int, s, 8, 16);
111   TEST_VABD(q, int, s, 16, 8);
112   TEST_VABD(q, int, s, 32, 4);
113   TEST_VABD(q, uint, u, 8, 16);
114   TEST_VABD(q, uint, u, 16, 8);
115   TEST_VABD(q, uint, u, 32, 4);
116   TEST_VABD(q, float, f, 32, 4);
117 
118   dump_results_hex (TEST_MSG);
119 
120 
121   /* Extra FP tests with special values (-0.0, ....) */
122   VDUP(vector1, q, float, f, 32, 4, -0.0f);
123   VDUP(vector2, q, float, f, 32, 4, 0.0);
124   TEST_VABD(q, float, f, 32, 4);
125   DUMP_FP(TEST_MSG " FP special (-0.0)", float, 32, 4, PRIx32);
126 
127 
128   /* Extra FP tests with special values (-0.0, ....) */
129   VDUP(vector1, q, float, f, 32, 4, 0.0f);
130   VDUP(vector2, q, float, f, 32, 4, -0.0);
131   TEST_VABD(q, float, f, 32, 4);
132   DUMP_FP(TEST_MSG " FP special (-0.0)", float, 32, 4, PRIx32);
133 }
134