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/* { dg-do run } */
/* { dg-require-effective-target p8vector_hw } */
/* { dg-options "-mdejagnu-cpu=power8 -O3" } */
#include <altivec.h>
void abort ();
#define N 4096
long long ca[N] __attribute__((aligned(16)));
long long cb[N] __attribute__((aligned(16)));
long long cc[N] __attribute__((aligned(16)));
long long cd[N] __attribute__((aligned(16)));
long long x;
__attribute__((noinline)) void foo ()
{
int i;
vector long long va, vb, vc, vd, tmp;
volatile unsigned long long three = 3;
vector unsigned long long threes = vec_splats (three);
for (i = 0; i < N; i+=2) {
vb = vec_vsx_ld (0, (vector long long *)&cb[i]);
vc = vec_vsx_ld (0, (vector long long *)&cc[i]);
vd = vec_vsx_ld (0, (vector long long *)&cd[i]);
tmp = vec_add (vb, vc);
tmp = vec_sub (tmp, vd);
tmp = vec_sra (tmp, threes);
x = vec_extract (tmp, 0);
vec_vsx_st (tmp, 0, (vector long long *)&ca[i]);
}
}
__attribute__((noinline)) void init ()
{
int i;
for (i = 0; i < N; ++i) {
cb[i] = 3 * i - 2048;
cc[i] = -5 * i + 93;
cd[i] = i + 14;
}
}
int main ()
{
int i;
init ();
foo ();
for (i = 0; i < N; ++i)
if (ca[i] != (-3 * i - 1969) >> 3)
abort ();
if (x != ca[N-1])
abort ();
return 0;
}
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