| /* { dg-do compile { target i?86-*-linux* x86_64-*-linux* } } */ |
| /* { dg-options "-O2" } */ |
| |
| typedef __SIZE_TYPE__ size_t; |
| extern void abort (void); |
| extern char buf[0x40000000]; |
| |
| void |
| test1 (size_t x) |
| { |
| char *p = &buf[8]; |
| size_t i; |
| |
| for (i = 0; i < x; ++i) |
| p = p + 4; |
| if (__builtin_object_size (p, 0) != sizeof (buf) - 8) |
| abort (); |
| } |
| |
| void |
| test2 (size_t x) |
| { |
| char *p = &buf[8]; |
| size_t i; |
| |
| for (i = 0; i < x; ++i) |
| p = p + 4; |
| if (__builtin_object_size (p, 1) != sizeof (buf) - 8) |
| abort (); |
| } |
| |
| void |
| test3 (size_t x) |
| { |
| char *p = &buf[8]; |
| size_t i; |
| |
| for (i = 0; i < x; ++i) |
| p = p + 4; |
| if (__builtin_object_size (p, 2) != 0) |
| abort (); |
| } |
| |
| void |
| test4 (size_t x) |
| { |
| char *p = &buf[8]; |
| size_t i; |
| |
| for (i = 0; i < x; ++i) |
| p = p + 4; |
| if (__builtin_object_size (p, 3) != 0) |
| abort (); |
| } |
| |
| /* { dg-final { scan-assembler-not "abort" } } */ |