URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [c90-const-expr-7.c] - Rev 298
Compare with Previous | Blame | View Log
/* 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 } */