Viewing file:  scalar-test-data-class-14.c (1.45 KB) -rw-r--r--
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/* { dg-do run { target { powerpc*-*-* } } } */
/* { dg-require-effective-target p9vector_hw } */
/* { dg-options "-mdejagnu-cpu=power9" } */
#include <altivec.h>
#include <stdbool.h>
#include <stdlib.h>
bool
test_nan (__ieee128 *p)
{
__ieee128 source = *p;
/*
0x40 Test for NaN
0x20 Test for +Infinity
0x10 Test for -Infinity
0x08 Test for +Zero
0x04 Test for -Zero
0x02 Test for +Denormal
0x01 Test for -Denormal
*/
return scalar_test_data_class (source, 0x40);
}
int
main ()
{
/* NaN is represented with the maximum biased exponent value and a
* non-zero fraction value. The sign bit ignored. If the
* high-order bit of the fraction field is 0, then the NaN is a
* Signaling NaN. Otherwise, it is a Quiet NaN. */
__int128 signal_significand = (__int128) 0xffffffff;
__int128 quiet_significand = (((__int128) 0x1) << 112) | 0xffffffff;
__int128 a_number_significand = (((__int128) 0x1) << 112);
unsigned long long int nan_exponent = 0x7fff;
unsigned long long int a_number_exponent = 16383;
__ieee128 signaling_nan =
scalar_insert_exp (signal_significand, nan_exponent);
__ieee128 quiet_nan =
scalar_insert_exp (quiet_significand, nan_exponent);
__ieee128 a_number =
scalar_insert_exp (a_number_significand, a_number_exponent);
if (!test_nan (&signaling_nan))
abort ();
if (!test_nan (&quiet_nan))
abort ();
if (test_nan (&a_number))
abort ();
return 0;
}
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