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/* Test we do correct thing for adding to / subtracting from a pointer,
i.e. that the multiplication by the size of the pointer target type
still occurs. */
/* { dg-do run } */
/* { dg-options "-std=c11 -pedantic-errors" } */
#define TEST_POINTER_ADD_SUB(TYPE) \
do \
{ \
TYPE a[3][3]; \
TYPE (*_Atomic q)[3] = &a[0]; \
++q; \
if (q != &a[1]) \
__builtin_abort (); \
q++; \
if (q != &a[2]) \
__builtin_abort (); \
--q; \
if (q != &a[1]) \
__builtin_abort (); \
q--; \
if (q != &a[0]) \
__builtin_abort (); \
q += 2; \
if (q != &a[2]) \
__builtin_abort (); \
q -= 2; \
if (q != &a[0]) \
__builtin_abort (); \
} \
while (0)
int
main (void)
{
TEST_POINTER_ADD_SUB (_Bool);
TEST_POINTER_ADD_SUB (char);
TEST_POINTER_ADD_SUB (signed char);
TEST_POINTER_ADD_SUB (unsigned char);
TEST_POINTER_ADD_SUB (signed short);
TEST_POINTER_ADD_SUB (unsigned short);
TEST_POINTER_ADD_SUB (signed int);
TEST_POINTER_ADD_SUB (unsigned int);
TEST_POINTER_ADD_SUB (signed long);
TEST_POINTER_ADD_SUB (unsigned long);
TEST_POINTER_ADD_SUB (signed long long);
TEST_POINTER_ADD_SUB (unsigned long long);
TEST_POINTER_ADD_SUB (float);
TEST_POINTER_ADD_SUB (double);
TEST_POINTER_ADD_SUB (long double);
TEST_POINTER_ADD_SUB (_Complex float);
TEST_POINTER_ADD_SUB (_Complex double);
TEST_POINTER_ADD_SUB (_Complex long double);
}
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