Viewing file:  vsx-builtin-11b.c (2.41 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target vmx_hw } */
/* { dg-options "-maltivec -O3" } */
/* This test should run the same on any target that supports altivec/dfp
instructions. Intentionally not specifying cpu in order to test
all code generation paths. */
#include <altivec.h>
extern void abort (void);
#define CONST0 (0)
#define CONST1 (1)
#define CONST2 (2)
#define CONST3 (3)
/* Test that indices > length of vector are applied modulo the vector
length. */
/* Test for vector residing in register. */
int s3 (vector int v)
{
return __builtin_vec_ext_v4si (v, 3);
}
int s1 (vector int v)
{
return __builtin_vec_ext_v4si (v, 1);
}
int s21 (vector int v)
{
return __builtin_vec_ext_v4si (v, 21);
}
int s30 (vector int v)
{
return __builtin_vec_ext_v4si (v, 30);
}
/* Test for vector residing in memory. */
int ms3 (vector int *vp)
{
return __builtin_vec_ext_v4si (*vp, 3);
}
int ms1(vector int *vp)
{
return __builtin_vec_ext_v4si (*vp, 1);
}
int ms21(vector int *vp)
{
return __builtin_vec_ext_v4si (*vp, 21);
}
int ms30(vector int *vp)
{
return __builtin_vec_ext_v4si (*vp, 30);
}
/* Test the same with variable indices. */
/* Test for variable selector and vector residing in register. */
__attribute__((noinline))
int ci (vector int v, int i)
{
return __builtin_vec_ext_v4si (v, i);
}
/* Test for variable selector and vector residing in memory. */
__attribute__((noinline))
int mci(vector int *vp, int i)
{
return __builtin_vec_ext_v4si (*vp, i);
}
int main (int argc, int *argv[]) {
vector int sv = { CONST0, CONST1, CONST2, CONST3 };
int s;
s = s3 (sv);
if (s != CONST3)
abort ();
s = s1 (sv);
if (s != CONST1)
abort ();
s = s21 (sv);
if (s != CONST1)
abort ();
s = s30 (sv);
if (s != CONST2)
abort ();
s = ms3 (&sv);
if (s != CONST3)
abort ();
s = ms1 (&sv);
if (s != CONST1)
abort ();
s = ms21 (&sv);
if (s != CONST1)
abort ();
s = ms30 (&sv);
if (s != CONST2)
abort ();
s = ci (sv, 5);
if (s != CONST1)
abort ();
s = ci (sv, 2);
if (s != CONST2)
abort ();
s = ci (sv, 15);
if (s != CONST3)
abort ();
s = ci (sv, 28);
if (s != CONST0)
abort ();
s = mci (&sv, 5);
if (s != CONST1)
abort ();
s = mci (&sv, 12);
if (s != CONST0)
abort ();
s = mci (&sv, 25);
if (s != CONST1)
abort ();
s = mci (&sv, 16);
if (s != CONST0)
abort ();
return 0;
}
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