Viewing file:  vsx-builtin-12b.c (2.02 KB) -rw-r--r--
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/* { dg-do run { target int128 } } */
/* { dg-require-effective-target vsx_hw } */
/* { dg-options "-mvsx -O3" } */
/* This test should run the same on any target that supports vsx
instructions. Intentionally not specifying cpu in order to test
all code generation paths. */
#include <altivec.h>
extern void abort (void);
#define CONST0 (31415926539LL)
#define CONST1 (2 * 31415926539LL)
/* Test that indices > length of vector are applied modulo the vector
length. */
/* Test for vector residing in register. */
long long int e0 (vector long long int v)
{
return __builtin_vec_ext_v2di (v, 0);
}
long long int e3 (vector long long int v)
{
return __builtin_vec_ext_v2di (v, 3);
}
/* Test for vector residing in memory. */
long long int me0 (vector long long int *vp)
{
return __builtin_vec_ext_v2di (*vp, 0);
}
long long int me3 (vector long long int *vp)
{
return __builtin_vec_ext_v2di (*vp, 3);
}
/* Test the same with variable indices. */
/* Test for variable selector and vector residing in register. */
__attribute__((noinline))
long long int ei (vector long long int v, int i)
{
return __builtin_vec_ext_v2di (v, i);
}
/* Test for variable selector and vector residing in memory. */
long long int mei (vector long long int *vp, int i)
{
return __builtin_vec_ext_v2di (*vp, i);
}
int main (int argc, char *argv[]) {
vector long long int dv = { CONST0, CONST1 };
long long int d;
d = e0 (dv);
if (d != CONST0)
abort ();
d = e3 (dv);
if (d != CONST1)
abort ();
d = me0 (&dv);
if (d != CONST0)
abort ();
d = me3 (&dv);
if (d != CONST1)
abort ();
d = ei (dv, 0);
if (d != CONST0)
abort ();
d = ei (dv, 1);
if (d != CONST1)
abort ();
d = ei (dv, 2);
if (d != CONST0)
abort ();
d = ei (dv, 3);
if (d != CONST1)
abort ();
d = mei (&dv, 0);
if (d != CONST0)
abort ();
d = mei (&dv, 1);
if (d != CONST1)
abort ();
d = mei (&dv, 2);
if (d != CONST0)
abort ();
d = mei (&dv, 3);
if (d != CONST1)
abort ();
return 0;
}
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