Viewing file:  avx512f-vrndscaless-2.c (2.03 KB) -rw-r--r--
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/* { 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-mask-type.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 i, imm;
union128 s1, s2, res1, res2, res3, res4, res5, res6;
float res_ref[SIZE];
MASK_TYPE mask = MASK_VALUE;
imm = _MM_FROUND_FLOOR | (7 << 4);
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);
for(i = 0; i < SIZE; i++)
{
res2.a[i] = DEFAULT_VALUE;
res5.a[i] = DEFAULT_VALUE;
}
res1.x = _mm_roundscale_ss (s1.x, s2.x, imm);
res2.x = _mm_mask_roundscale_ss (res2.x, mask, s1.x, s2.x, imm);
res3.x = _mm_maskz_roundscale_ss (mask, s1.x, s2.x, imm);
res4.x = _mm_roundscale_round_ss (s1.x, s2.x, imm, _MM_FROUND_NO_EXC);
res5.x = _mm_mask_roundscale_round_ss (res5.x, mask, s1.x, s2.x, imm, _MM_FROUND_NO_EXC);
res6.x = _mm_maskz_roundscale_round_ss (mask, s1.x, s2.x, imm, _MM_FROUND_NO_EXC);
compute_rndscaless (s1.a, s2.a, res_ref, imm);
if (check_union128 (res1, res_ref))
abort ();
MASK_MERGE () (res_ref, mask, 1);
if (check_union128 (res2, res_ref))
abort ();
MASK_ZERO () (res_ref, mask, 1);
if (check_union128 (res3, res_ref))
abort ();
compute_rndscaless (s1.a, s2.a, res_ref, imm);
if (check_union128 (res4, res_ref))
abort ();
MASK_MERGE () (res_ref, mask, 1);
if (check_union128 (res5, res_ref))
abort ();
MASK_ZERO () (res_ref, mask, 1);
if (check_union128 (res6, res_ref))
abort ();
}
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