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,16,4) [] = { 0xfffc, 0xfffc, 0xfffc, 0xfffd };
7 VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffffe, 0xfffffffe };
8 VECT_VAR_DECL(expected,int,16,8) [] = { 0x6, 0x6, 0x6, 0x5,
9 0x5, 0x4, 0x4, 0x4 };
10 VECT_VAR_DECL(expected,int,32,4) [] = { 0xfffffffe, 0xfffffffe,
11 0xfffffffe, 0xfffffffe };
12
13 /* Expected results when multiplication saturates. */
14 VECT_VAR_DECL(expected_mul,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
15 VECT_VAR_DECL(expected_mul,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
16 VECT_VAR_DECL(expected_mul,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
17 0x7fff, 0x7fff, 0x7fff, 0x7fff };
18 VECT_VAR_DECL(expected_mul,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
19 0x7fffffff, 0x7fffffff };
20
21 /* Expected results when rounding should not cause saturation. */
22 VECT_VAR_DECL(expected_round,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
23 VECT_VAR_DECL(expected_round,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
24 VECT_VAR_DECL(expected_round,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
25 0x7fff, 0x7fff, 0x7fff, 0x7fff };
26 VECT_VAR_DECL(expected_round,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
27 0x7fffffff, 0x7fffffff };
28
29 #define INSN vqrdmulh
30 #define TEST_MSG "VQRDMULH_N"
31
32 #define FNNAME1(NAME) void exec_ ## NAME ## _n (void)
33 #define FNNAME(NAME) FNNAME1(NAME)
34
FNNAME(INSN)35 FNNAME (INSN)
36 {
37 int i;
38
39 /* vector_res = vqrdmulh_n(vector,val), then store the result. */
40 #define TEST_VQRDMULH_N2(INSN, Q, T1, T2, W, N, L, CMT) \
41 Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
42 VECT_VAR(vector_res, T1, W, N) = \
43 INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N), \
44 L); \
45 vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \
46 VECT_VAR(vector_res, T1, W, N))
47
48 /* Two auxliary macros are necessary to expand INSN */
49 #define TEST_VQRDMULH_N1(INSN, Q, T1, T2, W, N, L, CMT) \
50 TEST_VQRDMULH_N2(INSN, Q, T1, T2, W, N, L, CMT)
51
52 #define TEST_VQRDMULH_N(Q, T1, T2, W, N, L, CMT) \
53 TEST_VQRDMULH_N1(INSN, Q, T1, T2, W, N, L, CMT)
54
55
56 DECL_VARIABLE(vector, int, 16, 4);
57 DECL_VARIABLE(vector, int, 32, 2);
58 DECL_VARIABLE(vector, int, 16, 8);
59 DECL_VARIABLE(vector, int, 32, 4);
60
61 DECL_VARIABLE(vector_res, int, 16, 4);
62 DECL_VARIABLE(vector_res, int, 32, 2);
63 DECL_VARIABLE(vector_res, int, 16, 8);
64 DECL_VARIABLE(vector_res, int, 32, 4);
65
66 clean_results ();
67
68 VLOAD(vector, buffer, , int, s, 16, 4);
69 VLOAD(vector, buffer, , int, s, 32, 2);
70 VLOAD(vector, buffer, q, int, s, 16, 8);
71 VLOAD(vector, buffer, q, int, s, 32, 4);
72
73 /* Choose multiplier arbitrarily. */
74 #define CMT ""
75 TEST_VQRDMULH_N(, int, s, 16, 4, 0x2233, CMT);
76 TEST_VQRDMULH_N(, int, s, 32, 2, 0x12345678, CMT);
77 TEST_VQRDMULH_N(q, int, s, 16, 8, 0xCD12, CMT);
78 TEST_VQRDMULH_N(q, int, s, 32, 4, 0xFA23456, CMT);
79
80 CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
81 CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
82 CHECK(TEST_MSG, int, 16, 8, PRIx16, expected, CMT);
83 CHECK(TEST_MSG, int, 32, 4, PRIx32, expected, CMT);
84
85 /* Now use input values such that the multiplication causes
86 saturation. */
87 #define TEST_MSG_MUL " (check mul cumulative saturation)"
88 VDUP(vector, , int, s, 16, 4, 0x8000);
89 VDUP(vector, , int, s, 32, 2, 0x80000000);
90 VDUP(vector, q, int, s, 16, 8, 0x8000);
91 VDUP(vector, q, int, s, 32, 4, 0x80000000);
92
93 TEST_VQRDMULH_N(, int, s, 16, 4, 0x8000, TEST_MSG_MUL);
94 TEST_VQRDMULH_N(, int, s, 32, 2, 0x80000000, TEST_MSG_MUL);
95 TEST_VQRDMULH_N(q, int, s, 16, 8, 0x8000, TEST_MSG_MUL);
96 TEST_VQRDMULH_N(q, int, s, 32, 4, 0x80000000, TEST_MSG_MUL);
97
98 CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_mul, TEST_MSG_MUL);
99 CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_mul, TEST_MSG_MUL);
100 CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_mul, TEST_MSG_MUL);
101 CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_mul, TEST_MSG_MUL);
102
103 /* Use input values where rounding produces a result equal to the
104 saturation value, but does not set the saturation flag. */
105 #define TEST_MSG_ROUND " (check rounding)"
106 VDUP(vector, , int, s, 16, 4, 0x8000);
107 VDUP(vector, , int, s, 32, 2, 0x80000000);
108 VDUP(vector, q, int, s, 16, 8, 0x8000);
109 VDUP(vector, q, int, s, 32, 4, 0x80000000);
110
111 TEST_VQRDMULH_N(, int, s, 16, 4, 0x8001, TEST_MSG_ROUND);
112 TEST_VQRDMULH_N(, int, s, 32, 2, 0x80000001, TEST_MSG_ROUND);
113 TEST_VQRDMULH_N(q, int, s, 16, 8, 0x8001, TEST_MSG_ROUND);
114 TEST_VQRDMULH_N(q, int, s, 32, 4, 0x80000001, TEST_MSG_ROUND);
115
116 CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_round, TEST_MSG_ROUND);
117 CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_round, TEST_MSG_ROUND);
118 CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_round, TEST_MSG_ROUND);
119 CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_round, TEST_MSG_ROUND);
120 }
121
main(void)122 int main (void)
123 {
124 exec_vqrdmulh_n ();
125 return 0;
126 }
127