| /* { dg-do run } */ |
| /* { dg-options "-mavx512f -O2" } */ |
| /* { dg-require-effective-target avx512f } */ |
| |
| #define SIZE (128 / 32) |
| |
| #include <math.h> |
| #include "avx512f-check.h" |
| #include "avx512f-helper.h" |
| |
| static void |
| compute_rndscaless (float *s1, float *s2, float *r, int imm) |
| { |
| int rc, m; |
| rc = imm & 0xf; |
| m = imm >> 4; |
| |
| switch (rc) |
| { |
| case _MM_FROUND_FLOOR: |
| r[0] = __builtin_floorf (s2[0] * pow (2, m)) / pow (2, m); |
| break; |
| case _MM_FROUND_CEIL: |
| r[0] = __builtin_ceilf (s2[0] * pow (2, m)) / pow (2, m); |
| break; |
| default: |
| abort (); |
| break; |
| } |
| |
| r[1] = s1[1]; |
| r[2] = s1[2]; |
| r[3] = s1[3]; |
| } |
| |
| static void |
| avx512f_test (void) |
| { |
| int imm = _MM_FROUND_FLOOR | (7 << 4); |
| union128 s1, s2, res1; |
| float res_ref[SIZE]; |
| |
| s1.x = _mm_set_ps (4.05084, -1.23162, 2.00231, -6.22103); |
| s2.x = _mm_set_ps (-4.19319, -3.53222, 7.33527, 5.57655); |
| |
| res1.x = _mm_roundscale_ss (s1.x, s2.x, imm); |
| |
| compute_rndscaless (s1.a, s2.a, res_ref, imm); |
| |
| if (check_union128 (res1, res_ref)) |
| abort (); |
| } |