Subversion Repositories openrisc_me

// PR c++/34198

// { dg-do compile }

// { dg-options "-O2 -Wconversion -Wsign-conversion" }

signed char sc;

unsigned char uc;

short int ss;

unsigned short int us;

int si;

unsigned int ui;

void test1 (void)

{

  int a = uc & 0xff;

  int b = sc & 0x7f;

  int c = 0xff & uc;

  int d = 0x7f & sc;

  int e = uc & sc;

  unsigned char f = (int) uc;

  signed char g = (int) sc;

  unsigned char h = (unsigned int) (short int) uc;

  signed char i = (int) (unsigned short int) sc;        // { dg-warning "may alter its value" }

  unsigned char j = (unsigned int) (short int) us;      // { dg-warning "may alter its value" }

  signed char k = (int) (unsigned short int) ss;        // { dg-warning "may alter its value" }

}

void test2 (void)

{

  signed char a = (unsigned char) sc;           // { dg-warning "may change the sign" }

  unsigned char b = (signed char) uc;           // { dg-warning "may change the sign" }

  signed char c = (int) (unsigned char) sc;     // { dg-warning "may change the sign" }

  unsigned char d = (int) (signed char) uc;     // { dg-warning "may change the sign" }

  int e = (unsigned int) si;                    // { dg-warning "may change the sign" }

  unsigned int f = (int) ui;                    // { dg-warning "may change the sign" }

}