/* { dg-do compile { target i?86-*-linux* i?86-*-gnu* x86_64-*-linux* } } */ /* { dg-options "-O2" } */ #ifndef N # define N 0x40000000 #endif typedef __SIZE_TYPE__ size_t; extern void abort (void); extern char buf[N]; void test1 (size_t x) { char *p = &buf[8]; size_t i; for (i = 0; i < x; ++i) p = p + 4; #ifdef __builtin_object_size if (__builtin_object_size (p, 0) != sizeof (buf) - 8 - 4 * x) #else if (__builtin_object_size (p, 0) != sizeof (buf) - 8) #endif abort (); } void test2 (size_t x) { char *p = &buf[8]; size_t i; for (i = 0; i < x; ++i) p = p + 4; #ifdef __builtin_object_size if (__builtin_object_size (p, 1) != sizeof (buf) - 8 - 4 * x) #else if (__builtin_object_size (p, 1) != sizeof (buf) - 8) #endif abort (); } void test3 (size_t x) { char *p = &buf[8]; size_t i; for (i = 0; i < x; ++i) p = p + 4; #ifdef __builtin_object_size if (__builtin_object_size (p, 2) != sizeof (buf) - 8 - 4 * x) #else if (__builtin_object_size (p, 2) != 0) #endif abort (); } void test4 (size_t x) { char *p = &buf[8]; size_t i; for (i = 0; i < x; ++i) p = p + 4; #ifdef __builtin_object_size if (__builtin_object_size (p, 3) != sizeof (buf) - 8 - 4 * x) #else if (__builtin_object_size (p, 3) != 0) #endif abort (); } void test5 (void) { char *p = &buf[0x90000004]; if (__builtin_object_size (p + 2, 0) != 0) abort (); } void test6 (void) { char *p = &buf[-4]; if (__builtin_object_size (p + 2, 0) != 0) abort (); } #ifdef __builtin_object_size void test7 (void) { char *buf2 = __builtin_malloc (8); char *p = &buf2[0x90000004]; if (__builtin_object_size (p + 2, 0) != 0) abort (); } #endif /* { dg-final { scan-assembler-not "abort" } } */