Viewing file:  vsx-builtin-16b.c (2.98 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)
#define CONST4 (4)
#define CONST5 (5)
#define CONST6 (6)
#define CONST7 (7)
#define CONST8 (8)
#define CONST9 (9)
#define CONSTA (10)
#define CONSTB (11)
#define CONSTC (12)
#define CONSTD (13)
#define CONSTE (14)
#define CONSTF (15)
/* Test that indices > length of vector are applied modulo the vector
length. */
/* Test for vector residing in register. */
unsigned char c0 (vector unsigned char v)
{
return __builtin_vec_extract (v, 0);
}
unsigned char c9 (vector unsigned char v)
{
return __builtin_vec_extract (v, 9);
}
unsigned char c21 (vector unsigned char v)
{
return __builtin_vec_extract (v, 21);
}
unsigned char c30 (vector unsigned char v)
{
return __builtin_vec_extract (v, 30);
}
/* Test for vector residing in memory. */
unsigned char mc0 (vector unsigned char *vp)
{
return __builtin_vec_extract (*vp, 0);
}
unsigned char mc9 (vector unsigned char *vp)
{
return __builtin_vec_extract (*vp, 9);
}
unsigned char mc21 (vector unsigned char *vp)
{
return __builtin_vec_extract (*vp, 21);
}
unsigned char mc30 (vector unsigned char *vp)
{
return __builtin_vec_extract (*vp, 30);
}
/* Test the same with variable indices. */
/* Test for variable selector and vector residing in register. */
__attribute__((noinline))
unsigned char ci (vector unsigned char v, int i)
{
return __builtin_vec_extract (v, i);
}
/* Test for variable selector and vector residing in memory. */
__attribute__((noinline))
unsigned char mci (vector unsigned char *vp, int i)
{
return __builtin_vec_extract (*vp, i);
}
int main (int argc, char *argv[]) {
vector unsigned char cv = { CONST0, CONST1, CONST2, CONST3,
CONST4, CONST5, CONST6, CONST7,
CONST8, CONST9, CONSTA, CONSTB,
CONSTC, CONSTD, CONSTE, CONSTF };
unsigned char c;
c = c0 (cv);
if (c != CONST0)
abort ();
c = c9 (cv);
if (c != CONST9)
abort ();
c = c21 (cv);
if (c != CONST5)
abort ();
c = c30 (cv);
if (c != CONSTE)
abort ();
c = mc0 (&cv);
if (c != CONST0)
abort ();
c = mc9 (&cv);
if (c != CONST9)
abort ();
c = mc21 (&cv);
if (c != CONST5)
abort ();
c = mc30 (&cv);
if (c != CONSTE)
abort ();
c = ci (cv, 8);
if (c != CONST8)
abort ();
c = ci (cv, 13);
if (c != CONSTD)
abort ();
c = ci (cv, 23);
if (c != CONST7)
abort ();
c = ci (cv, 31);
if (c != CONSTF)
abort ();
c = mci (&cv, 5);
if (c != CONST5)
abort ();
c = mci (&cv, 12);
if (c != CONSTC)
abort ();
c = mci (&cv, 25);
if (c != CONST9)
abort ();
c = mci (&cv, 16);
if (c != CONST0)
abort ();
return 0;
}
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