/* { dg-do compile { target { ilp32 || lp64 } } } */ /* { dg-options "-Wsign-compare" } */ int f1 (unsigned char x) { return (unsigned short) (~(unsigned short) x) == 0; /* { dg-warning "promoted bitwise complement of an unsigned value is always nonzero" "" { target c } } */ } int f2 (unsigned char x) { return (unsigned short) (~(unsigned short) x) == 5; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with constant" "" { target c } } */ } int f3 (unsigned char x) { return (unsigned int) (~(unsigned short) x) == 0xffff0005U; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with constant" } */ } int f4 (unsigned char x) { return (unsigned int) (~(unsigned short) x) == 0xffff0005ULL; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with constant" } */ } int f5 (unsigned char x) { return (unsigned int) (~(unsigned short) x) == 0xffffff05U; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with constant" } */ } int f6 (unsigned char x) { return (unsigned int) (~(unsigned short) x) == 0xffffff05ULL; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with constant" } */ } int f7 (unsigned char x) { return (unsigned long long) (~(unsigned short) x) == 0xffffffffffffff05ULL; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with constant" } */ } typedef unsigned short T; int f8 (T x) { return (unsigned short) (~(unsigned short) x) == 0; /* { dg-bogus "promoted bitwise complement of an unsigned value is always nonzero" } */ } int f9 (T x) { return (unsigned short) (~(unsigned short) x) == 5; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with constant" } */ } int f10 (T x, unsigned char y) { return (unsigned short) (~(unsigned short) x) == y; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with unsigned" } */ } int f11 (T x, unsigned char y) { return (unsigned short) (~(unsigned short) x) == y; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with unsigned" } */ } int f12 (unsigned char x, unsigned char y) { return (unsigned short) (~(unsigned short) x) == y; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with unsigned" "" { target c } } */ } int f13 (unsigned char x, unsigned char y) { return (unsigned short) (~(unsigned short) x) == y; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with unsigned" "" { target c } } */ } int f14 (unsigned char x, unsigned int y) { return (unsigned long long) (~x) == y; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with unsigned" } */ } int f15 (unsigned short x, unsigned int y) { return (long long) (~x) == y; /* { dg-warning "comparison of promoted bitwise complement of an unsigned value with unsigned" } */ } int f16 (unsigned char x, unsigned short y) { return (unsigned short) (~(unsigned short) x) == y; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with unsigned" } */ } int f17 (unsigned char x, unsigned short y) { return (unsigned short) (~(unsigned short) x) == y; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with unsigned" } */ } int f18 (unsigned char x) { return (unsigned int) (short) (~(unsigned short) x) == 0xffffff05ULL; /* { dg-bogus "comparison of promoted bitwise complement of an unsigned value with constant" } */ }