Viewing file:  vsx-builtin-14c.c (2.82 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target vmx_hw } */
/* { dg-options "-maltivec" } */
/* This test should run the same on any target that supports altivec/vmx
instructions. Intentionally not specifying cpu in order to test
all code generation paths. */
#include <altivec.h>
extern void abort (void);
#define CONST0 ((float) (3.1415926539))
#define CONST1 ((float) (3.1415926539 * 2))
#define CONST2 ((float) (3.1415926539 * 3))
#define CONST3 ((float) (3.1415926539 * 4))
/* Test that indices > length of vector are applied modulo the vector
length. */
/* Test for vector residing in register. */
vector float e0(vector float v, float x)
{
return vec_insert (x, v, 0);
}
vector float e1(vector float v, float x)
{
return vec_insert (x, v, 1);
}
vector float e7(vector float v, float x)
{
return vec_insert (x, v, 7);
}
vector float e8(vector float v, float x)
{
return vec_insert (x, v, 8);
}
/* Test for vector residing in memory. */
vector float me0(vector float *vp, float x)
{
return vec_insert (x, *vp, 0);
}
vector float me1(vector float *vp, float x)
{
return vec_insert (x, *vp, 1);
}
vector float me13(vector float *vp, float x)
{
return vec_insert (x, *vp, 13);
}
vector float me15(vector float *vp, float x)
{
return vec_insert (x, *vp, 15);
}
/* Test the same with variable indices. */
/* Test for variable selector and vector residing in register. */
__attribute__((noinline))
vector float ei(vector float v, int i, float x)
{
return vec_insert (x, v, i);
}
/* Test for variable selector and vector residing in memory. */
__attribute__((noinline))
vector float mei(vector float *vp, int i, float x)
{
return vec_insert (x, *vp, i);
}
int main (int argc, char *argv[]) {
vector float dv = { CONST0, CONST1, CONST2, CONST3 };
float d;
dv = e0 (dv, CONST3);
if (dv [0] != CONST3)
abort ();
dv = e1 (dv, CONST0);
if (dv [1] != CONST0)
abort ();
dv = e7 (dv, CONST2);
if (dv [3] != CONST2)
abort ();
dv = e8 (dv, CONST1);
if (dv [0] != CONST1)
abort ();
dv = me0 (&dv, CONST2);
if (dv [0] != CONST2)
abort ();
dv = me1 (&dv, CONST3);
if (dv [1] != CONST3)
abort ();
dv = me13 (&dv, CONST2);
if (dv [1] != CONST2)
abort ();
dv = me15 (&dv, CONST1);
if (dv [3] != CONST1)
abort ();
dv = ei (dv, 0, CONST3);
if (dv [0] != CONST3)
abort ();
dv = ei (dv, 2, CONST1);
if (dv [2] != CONST1)
abort ();
dv = ei (dv, 11, CONST0);
if (dv [3] != CONST0)
abort ();
dv = ei (dv, 17, CONST2);
if (dv [1] != CONST2)
abort ();
dv = mei (&dv, 0, CONST1);
if (dv [0] != CONST1)
abort ();
dv = mei (&dv, 1, CONST0);
if (dv [1] != CONST0)
abort ();
dv = mei (&dv, 15, CONST1);
if (dv [3] != CONST1)
abort ();
dv = mei (&dv, 6, CONST0);
if (dv [2] != CONST0)
abort ();
return 0;
}
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