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c/7102: unsigned char divisision results in floating exception
- From: klfd21 at yahoo dot de
- To: gcc-gnats at gcc dot gnu dot org
- Date: 23 Jun 2002 09:57:16 -0000
- Subject: c/7102: unsigned char divisision results in floating exception
- Reply-to: klfd21 at yahoo dot de
>Number: 7102
>Category: c
>Synopsis: unsigned char divisision results in floating exception
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: wrong-code
>Submitter-Id: net
>Arrival-Date: Sun Jun 23 03:06:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Martin Wille
>Release: 3.1
>Organization:
>Environment:
System: Linux Rosinante 2.4.4 #13 Sat Jul 7 09:23:17 CEST 2001 i686 unknown
Architecture: i686
<machine, os, target, libraries (multiple lines)>
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: ../gcc-3.1/configure --enable-threads --prefix=/usr/local/gcc-3.1
>Description:
Floating exception results from unsigned char divisision 255/2
>How-To-Repeat:
gcc -O0 unsigned_char_division_error.c
./a.out
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: text/plain; name="unsigned_char_division_error.c"
Content-Disposition: inline; filename="unsigned_char_division_error.c"
typedef unsigned char u8;
void fun(u8 y) { u8 x=((u8)255)/y; }
int main() { fun(2); }