Viewing file:  scalar-insert-exp-13.c (1.16 KB) -rw-r--r--
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/* { dg-do run { target { powerpc*-*-* } } } */
/* { dg-require-effective-target lp64 } */
/* { dg-require-effective-target p9vector_hw } */
/* { dg-options "-mdejagnu-cpu=power9" } */
/* This test should succeed only on 64-bit configurations. */
#include <altivec.h>
#include <stdlib.h>
double
insert_exponent (double *significand_p,
unsigned long long int *exponent_p)
{
double significand = *significand_p;
unsigned long long int exponent = *exponent_p;
return scalar_insert_exp (significand, exponent);
}
#define BIAS_FOR_DOUBLE_EXP 1023
int
main ()
{
unsigned long long int significand_1 = 0x11000000000000LL;
unsigned long long int significand_2 = 0x11010000000000LL;
unsigned long long int exponent_1 = 62 + BIAS_FOR_DOUBLE_EXP;
unsigned long long int exponent_2 = 49 + BIAS_FOR_DOUBLE_EXP;
double *significand_1_ptr = (double *) &significand_1;
double *significand_2_ptr = (double *) &significand_2;
double x = (double) (0x1100LL << 50);
double z = (double) (0x1101LL << 37);
if (insert_exponent (significand_1_ptr, &exponent_1) != x)
abort ();
if (insert_exponent (significand_2_ptr, &exponent_2) != z)
abort ();
return 0;
}
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