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comparison test/test_align.h @ 3:3c5545b1568f

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*: much better alignment support & tests
author Paper <paper@tflc.us>
date Tue, 22 Oct 2024 23:27:15 -0400
parents
children 75ab77f874e2
comparison
equal deleted inserted replaced
2:f12b5dd4e18c 3:3c5545b1568f
1 static int test_align(void)
2 {
3 int ret = 0;
4
5 #define RUN_TEST(sign, csign, bits, size) \
6 do { \
7 /* allocate the aligned array */ \
8 V##csign##INT##bits##x##size##_ALIGNED_ARRAY(vec_arr); \
9 \
10 /* fill the values */ \
11 for (int i = 0; i < V##csign##INT##bits##x##size##_ALIGNED_ARRAY_LENGTH(vec_arr); i++) \
12 vec_arr[i] = i; \
13 \
14 /* try to load it */ \
15 v##sign##int##bits##x##size vec = v##sign##int##bits##x##size##_load_aligned(vec_arr); \
16 \
17 /* now allocate an output array */ \
18 V##csign##INT##bits##x##size##_ALIGNED_ARRAY(vec_arr_out); \
19 \
20 /* try storing it */ \
21 v##sign##int##bits##x##size##_store_aligned(vec, vec_arr_out); \
22 \
23 /* mark success or failure */ \
24 ret |= !!memcmp(vec_arr, vec_arr_out, V##csign##INT##bits##x##size##_ALIGNED_ARRAY_LENGTH(vec_arr)); \
25 } while (0);
26
27 #define RUN_TESTS(bits, size) \
28 RUN_TEST( , , bits, size) \
29 RUN_TEST(u, U, bits, size)
30
31 RUN_TESTS(8, 16)
32 RUN_TESTS(16, 8)
33 RUN_TESTS(32, 4)
34 RUN_TESTS(64, 2)
35
36 #undef RUN_TESTS
37 #undef RUN_TEST
38
39 return ret;
40 }