diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/torture/vector-subscript-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/torture/vector-subscript-1.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/torture/vector-subscript-1.c b/gcc-4.9/gcc/testsuite/c-c++-common/torture/vector-subscript-1.c new file mode 100644 index 000000000..6152e7c78 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/c-c++-common/torture/vector-subscript-1.c @@ -0,0 +1,61 @@ +/* { dg-do run } */ +/* { dg-options "-fno-common" { target { hppa*-*-hpux* } } } */ +#define vector __attribute__((vector_size(sizeof(int)*4) )) + +/* Check to make sure that we extract and insert the vector at the same + location for vector subscripting and that vectors layout are the same + as arrays. */ + +struct TV4 +{ + vector int v; +}; + +typedef struct TV4 MYV4; +static inline int *f(MYV4 *a, int i) +{ + return &(a->v[i]); +} + +static inline MYV4 myfunc2( int x, int y, int z, int w ) +{ + MYV4 temp; + *f(&temp, 0 ) = x; + *f(&temp, 1 ) = y; + *f(&temp, 2 ) = z; + *f(&temp, 3 ) = w; + return temp; +} + +MYV4 val3; + +__attribute__((noinline)) void modify (void) +{ + val3 = myfunc2( 1, 2, 3, 4 ); +} + +int main( int argc, char* argv[] ) +{ + int a[4]; + int i; + + modify(); + + if (*f(&val3, 0 ) != 1) + __builtin_abort (); + if (*f(&val3, 1 ) != 2) + __builtin_abort (); + if (*f(&val3, 2 ) != 3) + __builtin_abort (); + if (*f(&val3, 3 ) != 4) + __builtin_abort (); + + __builtin_memcpy (a, &val3, sizeof(a)); + for(i = 0; i < 4; i++) + if (a[i] != i+1) + __builtin_abort (); + + + return 0; +} + |