gcc/testsuite/gcc.target/i386/avx512f-vgetmantsd-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-mavx512f -O2 -std=c99" } */
   3 /* { dg-require-effective-target avx512f } */
   4 /* { dg-require-effective-target c99_runtime } */
   5
   6 #include "avx512f-check.h"
   7 #include <math.h>
   8 #include "avx512f-helper.h"
   9
  10 #define SIZE (128/64)
  11 #include "avx512f-mask-type.h"
  12
  13 union fp_int_t
  14 {
  15   long long int int_val;
  16   double fp_val;
  17 };
  18
  19 double
  20 get_norm_mant (double source, int signctrl, int interv)
  21 {
  22   long long src, sign, exp, fraction;
  23
  24   union fp_int_t bin_conv;
  25
  26   bin_conv.fp_val = source;
  27   src = bin_conv.int_val;
  28   sign = (signctrl & 0x1) ? 0 : (src >> 63);
  29   exp = (src & 0x7ff0000000000000) >> 52;
  30   fraction = (src & 0xfffffffffffff);
  31
  32   if (isnan (source))
  33     return signbit (source) ? -NAN : NAN;
  34   if (source == 0.0 || source == -0.0 || isinf (source))
  35     return sign ? -1.0 : 1.0;
  36   if (signbit (source) && (signctrl & 0x2))
  37     return -NAN;
  38   if (!isnormal (source))
  39     {
  40       src = (src & 0xfff7ffffffffffff);
  41       exp = 0x3ff;
  42       while (!(src & 0x8000000000000))
  43         {
  44           src += fraction & 0x8000000000000;
  45           fraction = fraction << 1;
  46           exp--;
  47         }
  48     }
  49
  50   switch (interv)
  51     {
  52     case 0:
  53       exp = 0x3ff;
  54       break;
  55     case 1:
  56       exp = ((exp - 0x3ff) & 0x1) ? 0x3fe : 0x3ff;
  57       break;
  58     case 2:
  59       exp = 0x3fe;
  60       break;
  61     case 3:
  62       exp = (fraction & 0x8000000000000) ? 0x3fe : 0x3ff;
  63       break;
  64     default:
  65       abort ();
  66     }
  67
  68   bin_conv.int_val = (sign << 63) | (exp << 52) | fraction;
  69   return bin_conv.fp_val;
  70 }
  71
  72 static void
  73 compute_vgetmantsd (double *r, double *s1, double *s2, int interv,
  74                     int signctrl)
  75 {
  76   r[0] = get_norm_mant (s2[0], signctrl, interv);
  77   r[1] = s1[1];
  78 }
  79
  80 static void
  81 avx512f_test (void)
  82 {
  83   union128d res1, res2, res3, res4, res5, res6, src1, src2;
  84   double res_ref[2];
  85   MASK_TYPE mask = MASK_VALUE;
  86
  87   src1.x = _mm_set_pd (-3.0, 111.111);
  88   src2.x = _mm_set_pd (222.222, -2.0);
  89
  90   int i;
  91   for (i = 0; i < SIZE; i++)
  92     {
  93       res2.a[i] = DEFAULT_VALUE;
  94       res5.a[i] = DEFAULT_VALUE;
  95     }
  96
  97   res1.x = _mm_getmant_sd (src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
  98   res2.x = _mm_mask_getmant_sd (res2.x, mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
  99   res3.x = _mm_maskz_getmant_sd (mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
 100   res4.x = _mm_getmant_round_sd (src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
 101   res5.x = _mm_mask_getmant_round_sd (res5.x, mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
 102   res6.x = _mm_maskz_getmant_round_sd (mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
 103
 104   compute_vgetmantsd (res_ref, src1.a, src2.a, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
 105
 106   if (check_union128d (res1, res_ref))
 107     abort ();
 108
 109   MASK_MERGE (d) (res_ref, mask, 1);
 110   if (check_union128d (res2, res_ref))
 111     abort ();
 112
 113   MASK_ZERO (d) (res_ref, mask, 1);
 114   if (check_union128d (res3, res_ref))
 115     abort ();
 116
 117   compute_vgetmantsd (res_ref, src1.a, src2.a, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
 118
 119   if (check_union128d (res4, res_ref))
 120     abort ();
 121
 122   MASK_MERGE (d) (res_ref, mask, 1);
 123   if (check_union128d (res5, res_ref))
 124     abort ();
 125
 126   MASK_ZERO (d) (res_ref, mask, 1);
 127   if (check_union128d (res6, res_ref))
 128     abort ();
 129
 130 }