diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/loop-2e.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/loop-2e.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-2e.c b/gcc/testsuite/gcc.c-torture/execute/loop-2e.c new file mode 100644 index 000000000..71c7a4d1d --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/loop-2e.c @@ -0,0 +1,39 @@ +void f (int *p, int **q) +{ + int i; + for (i = 0; i < 40; i++) + { + *q++ = &p[i]; + } +} + +int main () +{ + void *p; + int *q[40]; + __SIZE_TYPE__ start; + + /* Find the signed middle of the address space. */ + if (sizeof(start) == sizeof(int)) + start = (__SIZE_TYPE__) __INT_MAX__; + else if (sizeof(start) == sizeof(long)) + start = (__SIZE_TYPE__) __LONG_MAX__; + else if (sizeof(start) == sizeof(long long)) + start = (__SIZE_TYPE__) __LONG_LONG_MAX__; + else + return 0; + + /* Arbitrarily align the pointer. */ + start &= -32; + + /* Pretend that's good enough to start address arithmetic. */ + p = (void *)start; + + /* Verify that GIV replacement computes the correct results. */ + q[39] = 0; + f (p, q); + if (q[39] != (int *)p + 39) + abort (); + + return 0; +} |