/* Test for integer promotion rules: extended to long long by C99. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ #include #define CHECK(T1, T2, TC) \ do { \ T1 a = 0; \ T2 b = 0; \ TC *c = 0; \ __typeof__(a+b) *d = 0; \ c = d; \ d = c; \ } while (0) void f (void) { /* Same type. */ CHECK(int, int, int); CHECK(unsigned int, unsigned int, unsigned int); CHECK(long, long, long); CHECK(unsigned long, unsigned long, unsigned long); CHECK(long long, long long, long long); CHECK(unsigned long long, unsigned long long, unsigned long long); /* Both signed. */ CHECK(int, long, long); CHECK(int, long long, long long); CHECK(long, int, long); CHECK(long, long long, long long); CHECK(long long, int, long long); CHECK(long long, long, long long); /* Both unsigned. */ CHECK(unsigned int, unsigned long, unsigned long); CHECK(unsigned int, unsigned long long, unsigned long long); CHECK(unsigned long, unsigned int, unsigned long); CHECK(unsigned long, unsigned long long, unsigned long long); CHECK(unsigned long long, unsigned int, unsigned long long); CHECK(unsigned long long, unsigned long, unsigned long long); /* Unsigned of greater or equal rank. */ CHECK(int, unsigned int, unsigned int); CHECK(int, unsigned long, unsigned long); CHECK(int, unsigned long long, unsigned long long); CHECK(unsigned int, int, unsigned int); CHECK(long, unsigned long, unsigned long); CHECK(long, unsigned long long, unsigned long long); CHECK(unsigned long, int, unsigned long); CHECK(unsigned long, long, unsigned long); CHECK(long long, unsigned long long, unsigned long long); CHECK(unsigned long long, int, unsigned long long); CHECK(unsigned long long, long, unsigned long long); CHECK(unsigned long long, long long, unsigned long long); /* Signed of greater rank. */ #if LONG_MAX >= UINT_MAX CHECK(unsigned int, long, long); CHECK(long, unsigned int, long); #else CHECK(unsigned int, long, unsigned long); CHECK(long, unsigned int, unsigned long); #endif #if LLONG_MAX >= UINT_MAX CHECK(unsigned int, long long, long long); CHECK(long long, unsigned int, long long); #else CHECK(unsigned int, long long, unsigned long long); CHECK(long long, unsigned int, unsigned long long); #endif #if LLONG_MAX >= ULONG_MAX CHECK(unsigned long, long long, long long); CHECK(long long, unsigned long, long long); #else CHECK(unsigned long, long long, unsigned long long); CHECK(long long, unsigned long, unsigned long long); #endif }