| /* |
| * This test was created to check the correctness |
| * of the following intrinsics support: |
| * _mm_mmask_i32gather_epi32() |
| * _mm256_mmask_i32gather_epi32() |
| */ |
| |
| #include <x86intrin.h> |
| #include <stdio.h> |
| |
| #define NUM (256 * 256) |
| #define SCALE 4 |
| |
| float dst128_f[NUM], gold_dst128_f[NUM]; |
| float dst256_f[NUM], gold_dst256_f[NUM]; |
| int dst128_i[NUM], gold_dst128_i[NUM]; |
| int dst256_i[NUM], gold_dst256_i[NUM]; |
| int mask128[NUM / 4]; |
| int mask256[NUM / 8]; |
| int g_index[NUM]; |
| |
| #define MIN(x, y) ((x) <= (y) ? (x) : (y)) |
| |
| void init_data() { |
| int i; |
| for (i = 0; i < NUM; i++) { |
| dst128_i[i] = dst256_i[i] = -1; |
| dst128_f[i] = dst256_f[i] = -1; |
| |
| g_index[i] = i * 2; |
| if (g_index[i] >= NUM) { |
| g_index[i] = NUM - 1 - (i - NUM / 2) * 2; |
| } |
| |
| if (i % 4 == 0) { |
| mask128[i / 4] = (i * 77) & 0xf; |
| if (i % 8 == 0) { |
| mask256[i / 8] = (i * 31) & 0xff; |
| } |
| } |
| |
| if ((mask128[i / 4] >> (i % 4)) & 0x1) { |
| gold_dst128_i[g_index[i]] = gold_dst128_f[g_index[i]] = i; |
| } else { |
| gold_dst128_i[g_index[i]] = gold_dst128_f[g_index[i]] = -1; |
| } |
| |
| if ((mask256[i / 8] >> (i % 8)) & 0x1) { |
| gold_dst256_i[g_index[i]] = gold_dst256_f[g_index[i]] = i; |
| } else { |
| gold_dst256_i[g_index[i]] = gold_dst256_f[g_index[i]] = -1; |
| } |
| } |
| } |
| |
| void do_mm_mask_i32scatter_epi32() { |
| int i; |
| for (i = 0; i < NUM; i += 4) { |
| __m128i ind = _mm_loadu_si128((const __m128i *)(g_index + i)); |
| __m128i val = _mm_set_epi32(i + 3, i + 2, i + 1, i); |
| _mm_mask_i32scatter_epi32(dst128_i, mask128[i / 4], ind, val, SCALE); |
| } |
| } |
| |
| void do_mm_mask_i32scatter_ps() { |
| int i; |
| for (i = 0; i < NUM; i += 4) { |
| __m128i ind = _mm_loadu_si128((const __m128i *)(g_index + i)); |
| __m128 val = _mm_set_ps(i + 3, i + 2, i + 1, i); |
| _mm_mask_i32scatter_ps(dst128_f, mask128[i / 4], ind, val, SCALE); |
| } |
| } |
| |
| void do_mm256_mask_i32scatter_epi32() { |
| int i; |
| for (i = 0; i < NUM; i += 8) { |
| __m256i ind = _mm256_loadu_si256((const __m256i *)(g_index + i)); |
| __m256i val = |
| _mm256_set_epi32(i + 7, i + 6, i + 5, i + 4, i + 3, i + 2, i + 1, i); |
| _mm256_mask_i32scatter_epi32(dst256_i, mask256[i / 8], ind, val, SCALE); |
| } |
| } |
| |
| void do_mm256_mask_i32scatter_ps() { |
| int i; |
| for (i = 0; i < NUM; i += 8) { |
| __m256i ind = _mm256_loadu_si256((const __m256i *)(g_index + i)); |
| __m256 val = |
| _mm256_set_ps(i + 7, i + 6, i + 5, i + 4, i + 3, i + 2, i + 1, i); |
| _mm256_mask_i32scatter_ps(dst256_f, mask256[i / 8], ind, val, SCALE); |
| } |
| } |
| |
| int check(int id, int *res_dst, int *gold_dst, int *mask, int elems_in_vector) { |
| int i; |
| for (i = 0; i < NUM; i++) { |
| int kmask = mask[i / elems_in_vector]; |
| int kmask_bit = kmask & (1 << (i % elems_in_vector)); |
| |
| if (gold_dst[i] != res_dst[i]) { |
| printf("The testcase #%d FAILed at %d iteration\n", id, i); |
| |
| printf("Expected value %d, actual %d, kmask=%d\n", gold_dst[i], |
| res_dst[i], kmask_bit); |
| |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| int main() { |
| int error = 0; |
| |
| init_data(); |
| |
| do_mm_mask_i32scatter_epi32(); |
| error |= check(1, dst128_i, gold_dst128_i, mask128, 4); |
| |
| do_mm_mask_i32scatter_ps(); |
| error |= check(2, (int *)dst128_f, (int *)gold_dst128_f, mask128, 4); |
| |
| do_mm256_mask_i32scatter_epi32(); |
| error |= check(3, dst256_i, gold_dst256_i, mask256, 8); |
| |
| do_mm256_mask_i32scatter_ps(); |
| error |= check(4, (int *)dst256_f, (int *)gold_dst256_f, mask256, 8); |
| |
| if (error != 0) { |
| printf("FAILED\n"); |
| return 1; |
| } |
| |
| printf("PASSED\n"); |
| return 0; |
| } |