NetBSD Problem Report #53338
From www@NetBSD.org Sun Jun 3 18:59:28 2018
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Date: Sun, 3 Jun 2018 18:59:27 +0000 (UTC)
From: dcb314@hotmail.com
Reply-To: dcb314@hotmail.com
To: gnats-bugs@NetBSD.org
Subject: src/sys/arch/aarch64/aarch64/db_interface.c:150: possible 32 / 64 bit problem ?
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>Number: 53338
>Category: port-arm
>Synopsis: src/sys/arch/aarch64/aarch64/db_interface.c:150: possible 32 / 64 bit problem ?
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: port-arm-maintainer
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Jun 03 19:00:00 +0000 2018
>Closed-Date: Sun Jun 03 22:34:58 +0000 2018
>Last-Modified: Thu Jun 14 08:30:00 +0000 2018
>Originator: David Binderman
>Release: cvs-20180603
>Organization:
>Environment:
>Description:
src/sys/arch/aarch64/aarch64/db_interface.c:150]: (style) int result is assigned to long variable.
Source code is
const uint64_t signbit = (1 << (bitwidth - 1));
If bitwith ever goes over 32 bits, then this might be
better code:
const uint64_t signbit = (1UL << (bitwidth - 1));
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
From: "Christos Zoulas" <christos@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/53338 CVS commit: src/sys/arch/aarch64/aarch64
Date: Sun, 3 Jun 2018 16:18:11 -0400
Module Name: src
Committed By: christos
Date: Sun Jun 3 20:18:10 UTC 2018
Modified Files:
src/sys/arch/aarch64/aarch64: db_interface.c
Log Message:
PR/53338: David Binderman: Widen shift to the LHS type.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/aarch64/aarch64/db_interface.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
State-Changed-From-To: open->closed
State-Changed-By: maya@NetBSD.org
State-Changed-When: Sun, 03 Jun 2018 22:34:58 +0000
State-Changed-Why:
Christos committed a variant. Thanks for the report!
From: "Ryo Shimizu" <ryo@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/53338 CVS commit: src/sys/arch/aarch64/aarch64
Date: Thu, 14 Jun 2018 08:27:10 +0000
Module Name: src
Committed By: ryo
Date: Thu Jun 14 08:27:10 UTC 2018
Modified Files:
src/sys/arch/aarch64/aarch64: disasm.c
Log Message:
Widen shift to the LHS type.
same as aarch64/db_interface.c r1.4, PR/53338.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/aarch64/aarch64/disasm.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.43 2018/01/16 07:36:43 maya Exp $
$NetBSD: gnats_config.sh,v 1.9 2014/08/02 14:16:04 spz Exp $
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