Viewing file:  avx512f-vgetmantss-2.c (3.22 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-mavx512f -O2 -std=c99" } */
/* { dg-require-effective-target avx512f } */
/* { dg-require-effective-target c99_runtime } */
#include "avx512f-check.h"
#include <math.h>
#include "avx512f-helper.h"
#define SIZE (128/32)
#include "avx512f-mask-type.h"
union fp_int_t
{
int int_val;
float fp_val;
};
float
get_norm_mant (float source, int signctrl, int interv)
{
int src, sign, exp, fraction;
union fp_int_t bin_conv;
bin_conv.fp_val = source;
src = bin_conv.int_val;
sign = (signctrl & 0x1) ? 0 : (src >> 31);
exp = (src & 0x7f800000) >> 23;
fraction = (src & 0x7fffff);
if (isnan (source))
return signbit (source) ? -NAN : NAN;
if (source == 0.0 || source == -0.0 || isinf (source))
return sign ? -1.0 : 1.0;
if (signbit (source) && (signctrl & 0x2))
return -NAN;
if (!isnormal (source))
{
src = (src & 0xffbfffff);
exp = 0x7f;
while (!(src & 0x400000))
{
src += fraction & 0x400000;
fraction = fraction << 1;
exp--;
}
}
switch (interv)
{
case 0:
exp = 0x7f;
break;
case 1:
exp = ((exp - 0x7f) & 0x1) ? 0x7e : 0x7f;
break;
case 2:
exp = 0x7e;
break;
case 3:
exp = (fraction & 0x400000) ? 0x7e : 0x7f;
break;
default:
abort ();
}
bin_conv.int_val = (sign << 31) | (exp << 23) | fraction;
return bin_conv.fp_val;
}
static void
compute_vgetmantss (float *r, float *s1, float *s2, int interv,
int signctrl)
{
int i;
r[0] = get_norm_mant (s2[0], signctrl, interv);
for (i = 1; i < SIZE; i++)
{
r[i] = s1[i];
}
}
static void
avx512f_test (void)
{
union128 res1, res2, res3, res4, res5, res6, src1, src2;
float res_ref[4];
MASK_TYPE mask = MASK_VALUE;
src1.x = _mm_set_ps (-24.043, 68.346, -43.35, 546.46);
src2.x = _mm_set_ps (222.222, 333.333, 444.444, -2.0);
int i;
for (i = 0; i < SIZE; i++)
{
res2.a[i] = DEFAULT_VALUE;
res5.a[i] = DEFAULT_VALUE;
}
res1.x = _mm_getmant_ss (src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
res2.x = _mm_mask_getmant_ss (res2.x, mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
res3.x = _mm_maskz_getmant_ss (mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
res4.x = _mm_getmant_round_ss (src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
res5.x = _mm_mask_getmant_round_ss (res5.x, mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
res6.x = _mm_maskz_getmant_round_ss (mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
compute_vgetmantss (res_ref, src1.a, src2.a, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
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_vgetmantss (res_ref, src1.a, src2.a, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
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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