This code is only defined if char is unsigned which it is not on avr.
(It is unsigned on some targets like powerpc-Linux-gnu.
Sent from my iPhone
On Mar 18, 2008, at 22:42, "dmixm at marine dot febras dot ru" <[EMAIL PROTECTED]
> wrote:
/* The next program is aborted with avr-gcc 4.1.2, 4.2.3, 4.3.0:
result of char promotion comes out of CHAR_MIN/MAX.
Options: -W -Wall -Os
Know to work:
3.3.6, 3.4.6 - good code
4.0.4 - correct, but not the best
4.1.2, 4.2.3, 4.3.0 - without optimization only
*/
#include <limits.h>
void abort (void);
void exit (int);
void foo (int i)
{
static int n;
if (i < CHAR_MIN || i > CHAR_MAX)
abort ();
if (++n > 1000)
exit (0);
}
int main ()
{
char c;
for (c = 0; ; c++) foo (c);
}
--
Summary: [avr] result of char promotion comes out of
CHAR_MIN/MAX
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dmixm at marine dot febras dot ru
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35634
