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c/9502: shift of long long broken
- From: roger dot dahl at am dot sony dot com
- To: gcc-gnats at gcc dot gnu dot org
- Date: 29 Jan 2003 18:13:16 -0000
- Subject: c/9502: shift of long long broken
- Reply-to: roger dot dahl at am dot sony dot com
>Number: 9502
>Category: c
>Synopsis: shift of long long broken
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Jan 29 18:16:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: roger.dahl@am.sony.com
>Release: 3.2 and 2.96
>Organization:
>Environment:
DJGPP MS-DOS (3.2), GCC Linux (2.96)
>Description:
Shift in assignment fails when type is long long and shift argument is > 31
>How-To-Repeat:
unsigned long long int a = 1 << 32;
Note the compiler warning message and the resulting code.
>Fix:
unsigned long long int a = 1;
a <<= 32;
>Release-Note:
>Audit-Trail:
>Unformatted: