URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Go to most recent revision |
Details |
Compare with Previous |
View Log
Line No. |
Rev |
Author |
Line |
1 |
298 |
jeremybenn |
/* Test for constant expressions: overflow and constant expressions
|
2 |
|
|
with -fwrapv: overflows still count as such for the purposes of
|
3 |
|
|
constant expressions even when they have defined values at
|
4 |
|
|
runtime. */
|
5 |
|
|
/* Origin: Joseph Myers <joseph@codesourcery.com> */
|
6 |
|
|
/* { dg-do compile } */
|
7 |
|
|
/* { dg-options "-std=iso9899:1990 -pedantic-errors -fwrapv" } */
|
8 |
|
|
|
9 |
|
|
#include <limits.h>
|
10 |
|
|
|
11 |
|
|
enum e {
|
12 |
|
|
E0 = 0 * (INT_MAX + 1), /* { dg-warning "21:integer overflow in expression" } */
|
13 |
|
|
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } 12 } */
|
14 |
|
|
E1 = 0 * (INT_MIN / -1), /* { dg-warning "21:integer overflow in expression" } */
|
15 |
|
|
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } 14 } */
|
16 |
|
|
E2 = 0 * (INT_MAX * INT_MAX), /* { dg-warning "21:integer overflow in expression" } */
|
17 |
|
|
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } 16 } */
|
18 |
|
|
E3 = 0 * (INT_MIN - 1), /* { dg-warning "21:integer overflow in expression" } */
|
19 |
|
|
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } 18 } */
|
20 |
|
|
E4 = 0 * (unsigned)(INT_MIN - 1), /* { dg-warning "31:integer overflow in expression" } */
|
21 |
|
|
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } 20 } */
|
22 |
|
|
E5 = 0 * -INT_MIN, /* { dg-warning "12:integer overflow in expression" } */
|
23 |
|
|
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } 22 } */
|
24 |
|
|
E6 = 0 * !-INT_MIN, /* { dg-warning "13:integer overflow in expression" } */
|
25 |
|
|
/* { dg-error "3:not an integer constant" "constant" { target *-*-* } 24 } */
|
26 |
|
|
E7 = INT_MIN % -1 /* Not an overflow. */
|
27 |
|
|
};
|
© copyright 1999-2024
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.