Viewing file:  avx512f-vgetmantpd-2.c (2.61 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do run } */
/* { dg-options "-O2 -mavx512f -std=c99 -mfpmath=sse" } */
/* { dg-require-effective-target avx512f } */
/* { dg-require-effective-target c99_runtime } */
#define AVX512F
#include "avx512f-helper.h"
#define SIZE (AVX512F_LEN / 64)
#include "avx512f-mask-type.h"
#include <math.h>
#ifndef GET_NORM_MANT
#define GET_NORM_MANT
union fp_int_t
{
long long int int_val;
double fp_val;
};
double
get_norm_mant (double source, int signctrl, int interv)
{
long long 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 >> 63);
exp = (src & 0x7ff0000000000000) >> 52;
fraction = (src & 0xfffffffffffff);
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 & 0xfff7ffffffffffff);
exp = 0x3ff;
while (!(src & 0x8000000000000))
{
src += fraction & 0x8000000000000;
fraction = fraction << 1;
exp--;
}
}
switch (interv)
{
case 0:
exp = 0x3ff;
break;
case 1:
exp = ((exp - 0x3ff) & 0x1) ? 0x3fe : 0x3ff;
break;
case 2:
exp = 0x3fe;
break;
case 3:
exp = (fraction & 0x8000000000000) ? 0x3fe : 0x3ff;
break;
default:
abort ();
}
bin_conv.int_val = (sign << 63) | (exp << 52) | fraction;
return bin_conv.fp_val;
}
#endif
void static
CALC (double *r, double *s, int interv, int signctrl)
{
int i;
for (i = 0; i < SIZE; i++)
{
r[i] = get_norm_mant (s[i], signctrl, interv);
}
}
void
TEST (void)
{
int i, sign;
UNION_TYPE (AVX512F_LEN, d) res1, res2, res3, src;
MASK_TYPE mask = MASK_VALUE;
double res_ref[SIZE];
int interv = _MM_MANT_NORM_p5_1;
int signctrl = _MM_MANT_SIGN_src;
sign = -1;
for (i = 0; i < SIZE; i++)
{
src.a[i] = 34.67 * i * sign;
sign = sign * -1;
}
for (i = 0; i < SIZE; i++)
res2.a[i] = DEFAULT_VALUE;
res1.x = INTRINSIC (_getmant_pd) (src.x, interv, signctrl);
res2.x =
INTRINSIC (_mask_getmant_pd) (res2.x, mask, src.x, interv,
signctrl);
res3.x =
INTRINSIC (_maskz_getmant_pd) (mask, src.x, interv, signctrl);
CALC (res_ref, src.a, interv, signctrl);
if (UNION_CHECK (AVX512F_LEN, d) (res1, res_ref))
abort ();
MASK_MERGE (d) (res_ref, mask, SIZE);
if (UNION_CHECK (AVX512F_LEN, d) (res2, res_ref))
abort ();
MASK_ZERO (d) (res_ref, mask, SIZE);
if (UNION_CHECK (AVX512F_LEN, d) (res3, res_ref))
abort ();
}
|
