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comparison test/test_compare.h @ 45:7955bed1d169

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*: add preliminary floating point support no x86 intrinsics just yet, but I did add altivec since it's (arguably) the simplest :)
author Paper <paper@tflc.us>
date Wed, 30 Apr 2025 18:36:38 -0400
parents 4b5a557aa64f
children
comparison
equal deleted inserted replaced
44:b0a3f0248ecc 45:7955bed1d169
1 #define CREATE_TEST(sign, psign, bits, size, op, equiv) \ 1 #define CREATE_TEST(type, print, bits, size, op, equiv) \
2 static int test_compare_v##sign##int##bits##x##size##_##op(v##sign##int##bits##x##size a, v##sign##int##bits##x##size b) \ 2 static int test_compare_v##type##bits##x##size##_##op(v##type##bits##x##size a, v##type##bits##x##size b) \
3 { \ 3 { \
4 sign##int##bits##_t orig_a[size], orig_b[size], orig_c[size]; \ 4 vec_##type##bits orig_a[size], orig_b[size], orig_c[size]; \
5 \ 5 \
6 v##sign##int##bits##x##size c = v##sign##int##bits##x##size##_##op(a, b); \ 6 v##type##bits##x##size c = v##type##bits##x##size##_##op(a, b); \
7 \ 7 \
8 v##sign##int##bits##x##size##_store(a, orig_a); \ 8 v##type##bits##x##size##_store(a, orig_a); \
9 v##sign##int##bits##x##size##_store(b, orig_b); \ 9 v##type##bits##x##size##_store(b, orig_b); \
10 v##sign##int##bits##x##size##_store(c, orig_c); \ 10 v##type##bits##x##size##_store(c, orig_c); \
11 \ 11 \
12 for (int i = 0; i < size; i++) { \ 12 for (int i = 0; i < size; i++) { \
13 if ((vec_##sign##int##bits)(((equiv) ? UINT##bits##_MAX : 0)) != orig_c[i]) { \ 13 uint##bits##_t res = (((equiv) ? UINT##bits##_MAX : 0)); \
14 printf("%lld %lld\n", (long long)(vec_##sign##int##bits)(((equiv) ? UINT##bits##_MAX : 0)), (long long)orig_c[i]); \ 14 if (memcmp(&res, orig_c + i, sizeof(res))) { \
15 fprintf(stderr, "v" #sign "int" #bits "x" #size "_" #op " test FAILED at index %d: (" #equiv ") [%d] does not equal result [%" PRI ## psign ## bits "]!\n", i, equiv, orig_c[i]); \ 15 fprintf(stderr, "v" #type #bits "x" #size "_" #op " test FAILED at index %d: (" #equiv ") [%d] does not equal result [%" print "]!\n", i, equiv, orig_c[i]); \
16 print_v##sign##int##bits##x##size(stderr,a); \ 16 print_v##type##bits##x##size(stderr,a); \
17 print_v##sign##int##bits##x##size(stderr,b); \ 17 print_v##type##bits##x##size(stderr,b); \
18 print_v##sign##int##bits##x##size(stderr,c); \ 18 print_v##type##bits##x##size(stderr,c); \
19 fprintf(stderr, "\n"); \ 19 fprintf(stderr, "\n"); \
20 return 1; \ 20 return 1; \
21 } \ 21 } \
22 } \ 22 } \
23 \ 23 \
24 return 0; \ 24 return 0; \
25 } 25 }
26 26
27 #define CREATE_TESTS_SIGN(sign, psign, bits, size) \ 27 #define CREATE_TESTS_SIGN(type, print, bits, size) \
28 CREATE_TEST(sign, psign, bits, size, cmplt, orig_a[i] < orig_b[i]) \ 28 CREATE_TEST(type, print, bits, size, cmplt, orig_a[i] < orig_b[i]) \
29 CREATE_TEST(sign, psign, bits, size, cmpgt, orig_a[i] > orig_b[i]) \ 29 CREATE_TEST(type, print, bits, size, cmpgt, orig_a[i] > orig_b[i]) \
30 CREATE_TEST(sign, psign, bits, size, cmpeq, orig_a[i] == orig_b[i]) \ 30 CREATE_TEST(type, print, bits, size, cmpeq, orig_a[i] == orig_b[i]) \
31 CREATE_TEST(sign, psign, bits, size, cmple, orig_a[i] <= orig_b[i]) \ 31 CREATE_TEST(type, print, bits, size, cmple, orig_a[i] <= orig_b[i]) \
32 CREATE_TEST(sign, psign, bits, size, cmpge, orig_a[i] >= orig_b[i]) 32 CREATE_TEST(type, print, bits, size, cmpge, orig_a[i] >= orig_b[i])
33 33
34 #define CREATE_TESTS(bits, size) CREATE_TESTS_SIGN(, d, bits, size) CREATE_TESTS_SIGN(u, u, bits, size) 34 #define CREATE_TESTS_INT(bits, size) \
35 CREATE_TESTS_SIGN(int, PRI##d##bits, bits, size) \
36 CREATE_TESTS_SIGN(uint, PRI##u##bits, bits, size)
35 37
36 CREATE_TESTS(8, 2) 38 #define CREATE_TESTS_FLOAT(bits, size) \
39 CREATE_TESTS_SIGN(f, "f", bits, size)
37 40
38 CREATE_TESTS(8, 4) 41 CREATE_TESTS_INT(8, 2)
39 CREATE_TESTS(16, 2)
40 42
41 CREATE_TESTS(8, 8) 43 CREATE_TESTS_INT(8, 4)
42 CREATE_TESTS(16, 4) 44 CREATE_TESTS_INT(16, 2)
43 CREATE_TESTS(32, 2)
44 45
45 CREATE_TESTS(8, 16) 46 CREATE_TESTS_INT(8, 8)
46 CREATE_TESTS(16, 8) 47 CREATE_TESTS_INT(16, 4)
47 CREATE_TESTS(32, 4) 48 CREATE_TESTS_INT(32, 2)
48 CREATE_TESTS(64, 2)
49 49
50 CREATE_TESTS(8, 32) 50 CREATE_TESTS_INT(8, 16)
51 CREATE_TESTS(16, 16) 51 CREATE_TESTS_INT(16, 8)
52 CREATE_TESTS(32, 8) 52 CREATE_TESTS_INT(32, 4)
53 CREATE_TESTS(64, 4) 53 CREATE_TESTS_INT(64, 2)
54 54
55 CREATE_TESTS(8, 64) 55 CREATE_TESTS_INT(8, 32)
56 CREATE_TESTS(16, 32) 56 CREATE_TESTS_INT(16, 16)
57 CREATE_TESTS(32, 16) 57 CREATE_TESTS_INT(32, 8)
58 CREATE_TESTS(64, 8) 58 CREATE_TESTS_INT(64, 4)
59
60 CREATE_TESTS_INT(8, 64)
61 CREATE_TESTS_INT(16, 32)
62 CREATE_TESTS_INT(32, 16)
63 CREATE_TESTS_INT(64, 8)
64
65 CREATE_TESTS_FLOAT(32, 2)
66 CREATE_TESTS_FLOAT(32, 4)
67 CREATE_TESTS_FLOAT(32, 8)
68 CREATE_TESTS_FLOAT(32, 16)
69
70 CREATE_TESTS_FLOAT(64, 2)
71 CREATE_TESTS_FLOAT(64, 4)
72 CREATE_TESTS_FLOAT(64, 8)
59 73
60 #undef CREATE_TESTS_SIGN 74 #undef CREATE_TESTS_SIGN
61 #undef CREATE_TESTS 75 #undef CREATE_TESTS_INT
76 #undef CREATE_TESTS_FLOAT
62 #undef CREATE_TEST 77 #undef CREATE_TEST
63 78
64 static int test_compare(void) 79 static int test_compare(void)
65 { 80 {
66 int ret = 0; 81 int ret = 0;
67 82
68 #define RUN_TESTS_SIGN(sign, bits, size) \ 83 #define RUN_TESTS_SIGN(shorttype, type, bits, size) \
69 for (size_t i = 0U; i < ARRAY_SIZE(testval##sign##bits); i++) { \ 84 for (size_t i = 0U; i < ARRAY_SIZE(testval##shorttype##bits); i++) { \
70 const v##sign##int##bits##x##size a = vtest##sign##bits##x##size(i); \ 85 const v##type##bits##x##size a = vtest##shorttype##bits##x##size(i); \
71 for (size_t j = 0U; j < ARRAY_SIZE(testval##sign##bits); j++) { \ 86 for (size_t j = 0U; j < ARRAY_SIZE(testval##shorttype##bits); j++) { \
72 const v##sign##int##bits##x##size b = vtest##sign##bits##x##size(j); \ 87 const v##type##bits##x##size b = vtest##shorttype##bits##x##size(j); \
73 ret |= test_compare_v##sign##int##bits##x##size##_cmplt(a, b); \ 88 ret |= test_compare_v##type##bits##x##size##_cmplt(a, b); \
74 ret |= test_compare_v##sign##int##bits##x##size##_cmpgt(a, b); \ 89 ret |= test_compare_v##type##bits##x##size##_cmpgt(a, b); \
75 ret |= test_compare_v##sign##int##bits##x##size##_cmpeq(a, b); \ 90 ret |= test_compare_v##type##bits##x##size##_cmpeq(a, b); \
76 ret |= test_compare_v##sign##int##bits##x##size##_cmple(a, b); \ 91 ret |= test_compare_v##type##bits##x##size##_cmple(a, b); \
77 ret |= test_compare_v##sign##int##bits##x##size##_cmpge(a, b); \ 92 ret |= test_compare_v##type##bits##x##size##_cmpge(a, b); \
78 } \ 93 } \
79 } 94 }
80 95
81 #define RUN_TESTS(bits, size) \ 96 #define RUN_TESTS(bits, size) \
82 RUN_TESTS_SIGN( , bits, size) \ 97 RUN_TESTS_SIGN( , int, bits, size) \
83 RUN_TESTS_SIGN(u, bits, size) 98 RUN_TESTS_SIGN(u, uint, bits, size)
99
100 #define RUN_TESTS_FLOAT(bits, size) \
101 RUN_TESTS_SIGN(f, f, bits, size)
84 102
85 RUN_TESTS(8, 2) 103 RUN_TESTS(8, 2)
86 104
87 RUN_TESTS(8, 4) 105 RUN_TESTS(8, 4)
88 RUN_TESTS(16, 2) 106 RUN_TESTS(16, 2)
104 RUN_TESTS(8, 64) 122 RUN_TESTS(8, 64)
105 RUN_TESTS(16, 32) 123 RUN_TESTS(16, 32)
106 RUN_TESTS(32, 16) 124 RUN_TESTS(32, 16)
107 RUN_TESTS(64, 8) 125 RUN_TESTS(64, 8)
108 126
127 RUN_TESTS_FLOAT(32, 2)
128 RUN_TESTS_FLOAT(32, 4)
129 RUN_TESTS_FLOAT(32, 8)
130 RUN_TESTS_FLOAT(32, 16)
131
132 RUN_TESTS_FLOAT(64, 2)
133 RUN_TESTS_FLOAT(64, 4)
134 RUN_TESTS_FLOAT(64, 8)
135
109 #undef RUN_TESTS_SIGN 136 #undef RUN_TESTS_SIGN
137 #undef RUN_TESTS_FLOAT
110 #undef RUN_TESTS 138 #undef RUN_TESTS
111 139
112 return ret; 140 return ret;
113 } 141 }