| [[gnu::noipa]] void |
| do_copy (void *p, const void *q, __SIZE_TYPE__ r) |
| { |
| __builtin_memcpy (p, q, r); |
| } |
| |
| /* Macro to test whether (on targets where psABI requires it) _BitInt |
| with padding bits have those filled with sign or zero extension. */ |
| #if defined(__s390x__) || defined(__arm__) || defined(__loongarch__) |
| #define BEXTC(x) \ |
| do { \ |
| if ((typeof (x)) -1 < 0) \ |
| { \ |
| _BitInt(sizeof (x) * __CHAR_BIT__) __x; \ |
| do_copy (&__x, &(x), sizeof (__x)); \ |
| if (__x != (x)) \ |
| __builtin_abort (); \ |
| } \ |
| else \ |
| { \ |
| unsigned _BitInt(sizeof (x) * __CHAR_BIT__) __x; \ |
| do_copy (&__x, &(x), sizeof (__x)); \ |
| if (__x != (x)) \ |
| __builtin_abort (); \ |
| } \ |
| } while (0) |
| #else |
| #define BEXTC(x) do { (void) (x); } while (0) |
| #endif |
