Subversion Repositories openrisc_2011-10-31

/* PR c++/34198 */

/* { dg-do compile } */

/* { dg-options "-O2 -Wconversion" } */

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" "" { target { int32plus } } } */

  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" } */

}