Subversion Repositories openrisc_2011-10-31

/* Test for constant expressions: overflow and constant expressions;

   see also overflow-warn-*.c for some other cases.  */

/* Origin: Joseph Myers <joseph@codesourcery.com> */

/* { dg-do compile } */

/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */

#include <float.h>

int a = DBL_MAX; /* { dg-warning "overflow in implicit constant conversion" } */

/* { dg-error "overflow in constant expression" "constant" { target *-*-* } 9 } */

int b = (int) DBL_MAX; /* { dg-error "overflow" "" } */

unsigned int c = -1.0; /* { dg-warning "overflow in implicit constant conversion" } */

/* { dg-error "overflow in constant expression" "constant" { target *-*-* } 12 } */

unsigned int d = (unsigned)-1.0; /* { dg-error "overflow" } */

int e = 0 << 1000; /* { dg-warning "shift count" } */

/* { dg-error "constant" "constant" { target *-*-* } 16 } */

int f = 0 << -1; /* { dg-warning "shift count" } */

/* { dg-error "constant" "constant" { target *-*-* } 18 } */

int g = 0 >> 1000; /* { dg-warning "shift count" } */

/* { dg-error "constant" "constant" { target *-*-* } 20 } */

int h = 0 >> -1; /* { dg-warning "shift count" } */

/* { dg-error "constant" "constant" { target *-*-* } 22 } */

int b1 = (0 ? (int) DBL_MAX : 0);

unsigned int d1 = (0 ? (unsigned int)-1.0 : 0);

int e1 = (0 ? 0 << 1000 : 0);

int f1 = (0 ? 0 << -1 : 0);

int g1 = (0 ? 0 >> 1000 : 0);

int h1 = (0 ? 0 >> -1: 0);

int i = -1 << 0;

int j[1] = { DBL_MAX }; /* { dg-warning "overflow in implicit constant conversion" } */

/* { dg-error "overflow in constant expression" "constant" { target *-*-* } 34 } */