Viewing file:  vsx-builtin-20a.c (2.16 KB) -rw-r--r--
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/* { dg-do run { target int128 } } */
/* { dg-require-effective-target vsx_hw } */
/* { dg-options "-mvsx" } */
/* 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>
/* Define this after PR89424 is addressed. */
#define PR89424
extern void abort (void);
#define CONST0 (((unsigned __int128) 31415926539) << 60)
/* Test that indices > length of vector are applied modulo the vector
length. */
/* Test for vector residing in register. */
unsigned __int128 e0 (vector unsigned __int128 v)
{
return __builtin_vec_extract (v, 0);
}
unsigned __int128 e3 (vector unsigned __int128 v)
{
return __builtin_vec_extract (v, 3);
}
/* Test for vector residing in memory. */
unsigned __int128 me0 (vector unsigned __int128 *vp)
{
return __builtin_vec_extract (*vp, 0);
}
unsigned __int128 me3 (vector unsigned __int128 *vp)
{
return __builtin_vec_extract (*vp, 3);
}
/* Test the same with variable indices. */
#ifdef PR89424
/* Test for variable selector and vector residing in register. */
__attribute__((noinline))
unsigned __int128 ei (vector unsigned __int128 v, int i)
{
return __builtin_vec_extract (v, i);
}
/* Test for variable selector and vector residing in memory. */
unsigned __int128 mei (vector unsigned __int128 *vp, int i)
{
return __builtin_vec_extract (*vp, i);
}
#endif
int main (int argc, char *argv[]) {
vector unsigned __int128 dv = { CONST0 };
unsigned __int128 d;
d = e0 (dv);
if (d != CONST0)
abort ();
d = e3 (dv);
if (d != CONST0)
abort ();
d = me0 (&dv);
if (d != CONST0)
abort ();
d = me3 (&dv);
if (d != CONST0)
abort ();
#ifdef PR89424
d = ei (dv, 0);
if (d != CONST0)
abort ();
d = ei (dv, 1);
if (d != CONST0)
abort ();
d = ei (dv, 2);
if (d != CONST0)
abort ();
d = ei (dv, 3);
if (d != CONST0)
abort ();
d = mei (&dv, 0);
if (d != CONST0)
abort ();
d = mei (&dv, 1);
if (d != CONST0)
abort ();
d = mei (&dv, 2);
if (d != CONST0)
abort ();
d = mei (&dv, 3);
if (d != CONST0)
abort ();
#endif
return 0;
}
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