38 lines
689 B
C
38 lines
689 B
C
// based on
|
|
// http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20140303/207014.html
|
|
|
|
#include <assert.h>
|
|
|
|
#ifdef __GNUC__
|
|
typedef int v4si __attribute__ ((vector_size (16)));
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
#ifdef __GNUC__
|
|
|
|
v4si a = { 0, 1, 2, 3 }, b;
|
|
|
|
b[0] = 0;
|
|
b[1] = 1;
|
|
b[2] = 2;
|
|
b[3] = 3;
|
|
|
|
for (int i = 0; i < 4; ++i) {
|
|
/*
|
|
printf("i = %d: a[i] = %d, b[i] = %d, cast(a)[i] = %d, cast(b)[i] = %d\n",
|
|
a[i], b[i], ((int*) &a)[i], ((int*) &b)[i]);
|
|
*/
|
|
int a_i=a[i];
|
|
int b_i=b[i];
|
|
assert(a[i]==b[i]);
|
|
assert(a[i]==((int*) &a)[i]);
|
|
assert(((int*) &a)[i]==((int*) &b)[i]);
|
|
assert(((int*) &b)[i]==b[i]);
|
|
}
|
|
|
|
#endif
|
|
|
|
return 0;
|
|
}
|