1 #include <arm_neon.h>
2 #include "arm-neon-ref.h"
3 #include "compute-ref-data.h"
4
5 /* Expected results. */
6 VECT_VAR_DECL(expected,int,8,8) [] = { 0xf8, 0xf9, 0xf9, 0xfa,
7 0xfa, 0xfb, 0xfb, 0xfc };
8 VECT_VAR_DECL(expected,int,16,4) [] = { 0xfff8, 0xfff9, 0xfff9, 0xfffa };
9 VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffffc, 0xfffffffc };
10 VECT_VAR_DECL(expected,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
11 0xff, 0xff, 0xff, 0xff };
12 VECT_VAR_DECL(expected,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
13 VECT_VAR_DECL(expected,uint,32,2) [] = { 0xffffffff, 0xffffffff };
14
15 /* Expected results with shift by 3. */
16 VECT_VAR_DECL(expected_sh3,int,8,8) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
17 0x7f, 0x7f, 0x7f, 0x7f };
18 VECT_VAR_DECL(expected_sh3,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
19 VECT_VAR_DECL(expected_sh3,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
20 VECT_VAR_DECL(expected_sh3,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
21 0xff, 0xff, 0xff, 0xff };
22 VECT_VAR_DECL(expected_sh3,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
23 VECT_VAR_DECL(expected_sh3,uint,32,2) [] = { 0xffffffff, 0xffffffff };
24
25 /* Expected results with shift by max amount. */
26 VECT_VAR_DECL(expected_shmax,int,8,8) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
27 0x7f, 0x7f, 0x7f, 0x7f };
28 VECT_VAR_DECL(expected_shmax,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
29 VECT_VAR_DECL(expected_shmax,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
30 VECT_VAR_DECL(expected_shmax,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
31 0xff, 0xff, 0xff, 0xff };
32 VECT_VAR_DECL(expected_shmax,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
33 VECT_VAR_DECL(expected_shmax,uint,32,2) [] = { 0xffffffff, 0xffffffff };
34
35 #define INSN vqrshrn_n
36 #define TEST_MSG "VQRSHRN_N"
37
38 #define FNNAME1(NAME) void exec_ ## NAME (void)
39 #define FNNAME(NAME) FNNAME1(NAME)
40
41 FNNAME (INSN)
42 {
43 /* Basic test: y=vqrshrn_n(x,v), then store the result. */
44 #define TEST_VQRSHRN_N2(INSN, T1, T2, W, W2, N, V, CMT) \
45 Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W2, N)); \
46 VECT_VAR(vector_res, T1, W2, N) = \
47 INSN##_##T2##W(VECT_VAR(vector, T1, W, N), \
48 V); \
49 vst1_##T2##W2(VECT_VAR(result, T1, W2, N), \
50 VECT_VAR(vector_res, T1, W2, N))
51
52 /* Two auxliary macros are necessary to expand INSN */
53 #define TEST_VQRSHRN_N1(INSN, T1, T2, W, W2, N, V, CMT) \
54 TEST_VQRSHRN_N2(INSN, T1, T2, W, W2, N, V, CMT)
55
56 #define TEST_VQRSHRN_N(T1, T2, W, W2, N, V, CMT) \
57 TEST_VQRSHRN_N1(INSN, T1, T2, W, W2, N, V, CMT)
58
59
60 /* vector is twice as large as vector_res. */
61 DECL_VARIABLE(vector, int, 16, 8);
62 DECL_VARIABLE(vector, int, 32, 4);
63 DECL_VARIABLE(vector, int, 64, 2);
64 DECL_VARIABLE(vector, uint, 16, 8);
65 DECL_VARIABLE(vector, uint, 32, 4);
66 DECL_VARIABLE(vector, uint, 64, 2);
67
68 DECL_VARIABLE(vector_res, int, 8, 8);
69 DECL_VARIABLE(vector_res, int, 16, 4);
70 DECL_VARIABLE(vector_res, int, 32, 2);
71 DECL_VARIABLE(vector_res, uint, 8, 8);
72 DECL_VARIABLE(vector_res, uint, 16, 4);
73 DECL_VARIABLE(vector_res, uint, 32, 2);
74
75 clean_results ();
76
77 VLOAD(vector, buffer, q, int, s, 16, 8);
78 VLOAD(vector, buffer, q, int, s, 32, 4);
79 VLOAD(vector, buffer, q, int, s, 64, 2);
80 VLOAD(vector, buffer, q, uint, u, 16, 8);
81 VLOAD(vector, buffer, q, uint, u, 32, 4);
82 VLOAD(vector, buffer, q, uint, u, 64, 2);
83
84 /* Choose shift amount arbitrarily. */
85 #define CMT ""
86 TEST_VQRSHRN_N(int, s, 16, 8, 8, 1, CMT);
87 TEST_VQRSHRN_N(int, s, 32, 16, 4, 1, CMT);
88 TEST_VQRSHRN_N(int, s, 64, 32, 2, 2, CMT);
89 TEST_VQRSHRN_N(uint, u, 16, 8, 8, 2, CMT);
90 TEST_VQRSHRN_N(uint, u, 32, 16, 4, 3, CMT);
91 TEST_VQRSHRN_N(uint, u, 64, 32, 2, 3, CMT);
92
93 CHECK(TEST_MSG, int, 8, 8, PRIx8, expected, CMT);
94 CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
95 CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
96 CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, CMT);
97 CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, CMT);
98 CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT);
99
100
101 /* Another set of tests, shifting max value by 3. */
102 VDUP(vector, q, int, s, 16, 8, 0x7FFF);
103 VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
104 VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
105 VDUP(vector, q, uint, u, 16, 8, 0xFFFF);
106 VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF);
107 VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL);
108
109 #undef CMT
110 #define CMT " (check saturation: shift by 3)"
111 TEST_VQRSHRN_N(int, s, 16, 8, 8, 3, CMT);
112 TEST_VQRSHRN_N(int, s, 32, 16, 4, 3, CMT);
113 TEST_VQRSHRN_N(int, s, 64, 32, 2, 3, CMT);
114 TEST_VQRSHRN_N(uint, u, 16, 8, 8, 3, CMT);
115 TEST_VQRSHRN_N(uint, u, 32, 16, 4, 3, CMT);
116 TEST_VQRSHRN_N(uint, u, 64, 32, 2, 3, CMT);
117
118 CHECK(TEST_MSG, int, 8, 8, PRIx8, expected_sh3, CMT);
119 CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_sh3, CMT);
120 CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_sh3, CMT);
121 CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_sh3, CMT);
122 CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_sh3, CMT);
123 CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_sh3, CMT);
124
125
126 /* Shift by max amount. */
127 #undef CMT
128 #define CMT " (check saturation: shift by max)"
129 TEST_VQRSHRN_N(int, s, 16, 8, 8, 8, CMT);
130 TEST_VQRSHRN_N(int, s, 32, 16, 4, 16, CMT);
131 TEST_VQRSHRN_N(int, s, 64, 32, 2, 32, CMT);
132 TEST_VQRSHRN_N(uint, u, 16, 8, 8, 8, CMT);
133 TEST_VQRSHRN_N(uint, u, 32, 16, 4, 16, CMT);
134 TEST_VQRSHRN_N(uint, u, 64, 32, 2, 32, CMT);
135
136 CHECK(TEST_MSG, int, 8, 8, PRIx8, expected_shmax, CMT);
137 CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_shmax, CMT);
138 CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_shmax, CMT);
139 CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_shmax, CMT);
140 CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_shmax, CMT);
141 CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_shmax, CMT);
142 }
143
144 int main (void)
145 {
146 exec_vqrshrn_n ();
147 return 0;
148 }