c/9569: 8 bytes seems to long for long long int

c/9569: 8 bytes seems to long for long long int

[stefaandr]

>Number:         9569
>Category:       c
>Synopsis:       8 bytes seems to long for long long int
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Tue Feb 04 13:36:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     stefaandr@hotmail.com
>Release:        gcc version 3.4 20030204 (experimental)
>Organization:
>Environment:
redhat 8.0
Reading specs from /esat/quendi/stefaan/install/lib/gcc-lib/i686-pc-linux-gnu/3.4/specs
Configured with: ../../src/gcc/configure --enable-languages=c,c++ --prefix=/esat/quendi/stefaan/install
Thread model: posix
gcc version 3.4 20030204 (experimental)
>Description:
compile this code:

int main() {
	long long int x = 0x0123456789abcdef;
};

it gives:
test6.cpp: In function `int main()':
test6.cpp:2: error: integer constant is too large for "long" type
>How-To-Repeat:
compile code contained in description
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:

Re: c/9569: 8 bytes seems to long for long long int

[Segher Boessenkool]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Segher Boessenkool <segher@koffie.nl>
To: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
Cc: "Joseph S. Myers" <jsm28@cam.ac.uk>,
	Neil Booth <neil@daikokuya.co.uk>, aj@gcc.gnu.org,
	gcc-bugs@gcc.gnu.org, stefaandr@hotmail.com, gcc-gnats@gcc.gnu.org
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Thu, 06 Feb 2003 07:12:02 +0100

 Falk Hueffner wrote:
 
 > I still don't get it. In C99, this is perfectly legal code, and does
 > what the reporter wants. It is of course documented nowhere, but I
 > would assume that g++ inherits C99's long long semantics if long long
 > is enabled. Why not this part?
 
 Apart from the C vs. C++ issue, GCC is not a C99 compiler
 by default, you have to pass -std=c99 or similar.
 
 I wouldn't mind if this changed...
 
 
 Segher
 
 

Re: c/9569: 8 bytes seems to long for long long int

[Neil Booth]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Neil Booth <neil@daikokuya.co.uk>
To: "Joseph S. Myers" <jsm28@cam.ac.uk>
Cc: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>, aj@gcc.gnu.org,
	gcc-bugs@gcc.gnu.org, stefaandr@hotmail.com, gcc-gnats@gcc.gnu.org
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Thu, 6 Feb 2003 06:59:24 +0000

 Joseph S. Myers wrote:-
 
 > On 6 Feb 2003, Falk Hueffner wrote:
 > 
 > > I still don't get it. In C99, this is perfectly legal code, and does
 > > what the reporter wants. It is of course documented nowhere, but I
 > > would assume that g++ inherits C99's long long semantics if long long
 > > is enabled. Why not this part?
 > 
 > C++98 is stricter than C90 about integer constants.  _Explicitly_ using
 > long long is one thing (accepted as an extension by the C++ compiler),
 > _implicitly_ using it (by having too large an integer constant without a
 > suffix) is another.  The behaviour may or may not be as intended; that's
 > for the C++ maintainers to work out.
 
 I suggest the PR be re-opened then.
 
 Neil.

Re: c/9569: 8 bytes seems to long for long long int

[Joseph S. Myers]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: "Joseph S. Myers" <jsm28@cam.ac.uk>
To: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
Cc: Neil Booth <neil@daikokuya.co.uk>,  <aj@gcc.gnu.org>, 
     <gcc-bugs@gcc.gnu.org>,  <stefaandr@hotmail.com>, 
     <gcc-gnats@gcc.gnu.org>
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Thu, 6 Feb 2003 00:06:25 +0000 (GMT)

 On 6 Feb 2003, Falk Hueffner wrote:
 
 > I still don't get it. In C99, this is perfectly legal code, and does
 > what the reporter wants. It is of course documented nowhere, but I
 > would assume that g++ inherits C99's long long semantics if long long
 > is enabled. Why not this part?
 
 C++98 is stricter than C90 about integer constants.  _Explicitly_ using
 long long is one thing (accepted as an extension by the C++ compiler),
 _implicitly_ using it (by having too large an integer constant without a
 suffix) is another.  The behaviour may or may not be as intended; that's
 for the C++ maintainers to work out.
 
 -- 
 Joseph S. Myers
 jsm28@cam.ac.uk
 

Re: c/9569: 8 bytes seems to long for long long int

[Falk Hueffner]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: "Joseph S. Myers" <jsm28@cam.ac.uk>
Cc: Neil Booth <neil@daikokuya.co.uk>,  <aj@gcc.gnu.org>,
	  <gcc-bugs@gcc.gnu.org>,  <stefaandr@hotmail.com>,
	  <gcc-gnats@gcc.gnu.org>
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: 06 Feb 2003 00:59:37 +0100

 "Joseph S. Myers" <jsm28@cam.ac.uk> writes:
 
 > On Wed, 5 Feb 2003, Neil Booth wrote:
 > 
 > > Could you justify that, or re-open the bug report?
 > 
 > Note that the bug report is actually a C++ bug report in the wrong
 > category, and C++ doesn't have long long, and in the C++ compiler
 > pedwarns (those that are enabled by default) are errors by default.
 
 I still don't get it. In C99, this is perfectly legal code, and does
 what the reporter wants. It is of course documented nowhere, but I
 would assume that g++ inherits C99's long long semantics if long long
 is enabled. Why not this part?
 
 -- 
 	Falk

Re: c/9569: 8 bytes seems to long for long long int

[Neil Booth]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Neil Booth <neil@daikokuya.co.uk>
To: "Joseph S. Myers" <jsm28@cam.ac.uk>
Cc: aj@gcc.gnu.org, gcc-bugs@gcc.gnu.org, stefaandr@hotmail.com,
	gcc-gnats@gcc.gnu.org
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Wed, 5 Feb 2003 23:39:02 +0000

 Joseph S. Myers wrote:-
 
 > On Wed, 5 Feb 2003, Neil Booth wrote:
 > 
 > > Could you justify that, or re-open the bug report?
 > 
 > Note that the bug report is actually a C++ bug report in the wrong
 > category, and C++ doesn't have long long, and in the C++ compiler pedwarns
 > (those that are enabled by default) are errors by default.
 
 Great, thanks for the explanation.
 
 Neil.

Re: c/9569: 8 bytes seems to long for long long int

[Joseph S. Myers]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: "Joseph S. Myers" <jsm28@cam.ac.uk>
To: Neil Booth <neil@daikokuya.co.uk>
Cc: <aj@gcc.gnu.org>,  <gcc-bugs@gcc.gnu.org>,  <stefaandr@hotmail.com>, 
     <gcc-gnats@gcc.gnu.org>
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Wed, 5 Feb 2003 22:48:03 +0000 (GMT)

 On Wed, 5 Feb 2003, Neil Booth wrote:
 
 > Could you justify that, or re-open the bug report?
 
 Note that the bug report is actually a C++ bug report in the wrong
 category, and C++ doesn't have long long, and in the C++ compiler pedwarns
 (those that are enabled by default) are errors by default.
 
 -- 
 Joseph S. Myers
 jsm28@cam.ac.uk
 

Re: c/9569: 8 bytes seems to long for long long int

[Neil Booth]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Neil Booth <neil@daikokuya.co.uk>
To: aj@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org,
	nobody@gcc.gnu.org, stefaandr@hotmail.com, gcc-gnats@gcc.gnu.org
Cc:  
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Wed, 5 Feb 2003 20:56:45 +0000

 aj@gcc.gnu.org wrote:-
 
 > State-Changed-From-To: open->closed
 > State-Changed-By: aj
 > State-Changed-When: Tue Feb  4 14:37:46 2003
 > State-Changed-Why:
 >     The program is broken, add LL to the constant to get
 >     a long long constant.
 
 Could you justify that, or re-open the bug report?
 
 Neil.

Re: c/9569: 8 bytes seems to long for long long int

[Falk Hueffner]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: aj@gcc.gnu.org
Cc: gcc-bugs@gcc.gnu.org,  gcc-prs@gcc.gnu.org,  nobody@gcc.gnu.org,
	  stefaandr@hotmail.com,  gcc-gnats@gcc.gnu.org
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: 04 Feb 2003 17:09:21 +0100

 aj@gcc.gnu.org writes:
 
 > Synopsis: 8 bytes seems to long for long long int
 > 
 > Responsible-Changed-From-To: unassigned->aj
 > Responsible-Changed-By: aj
 > Responsible-Changed-When: Tue Feb  4 14:37:46 2003
 > Responsible-Changed-Why:
 >     Taking it.
 > State-Changed-From-To: open->closed
 > State-Changed-By: aj
 > State-Changed-When: Tue Feb  4 14:37:46 2003
 > State-Changed-Why:
 >     The program is broken, add LL to the constant to get
 >     a long long constant.
 
 Huh? The C standard says: "The type of an integer constant is the
 first of the corresponding list in which its value can be
 represented." That would make the constant long long without any
 suffixes.
 
 The C++ standard doesn't have long long at all, but I would think the
 same semantics should be applied here, anything else would be silly.
 
 -- 
 	Falk

Re: c/9569: 8 bytes seems to long for long long int

[aj]

Synopsis: 8 bytes seems to long for long long int

Responsible-Changed-From-To: unassigned->aj
Responsible-Changed-By: aj
Responsible-Changed-When: Tue Feb  4 14:37:46 2003
Responsible-Changed-Why:
    Taking it.
State-Changed-From-To: open->closed
State-Changed-By: aj
State-Changed-When: Tue Feb  4 14:37:46 2003
State-Changed-Why:
    The program is broken, add LL to the constant to get
    a long long constant.
    
    Andreas

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9569

Re: c/9569: 8 bytes seems to long for long long int

[Andreas Jaeger]

The following reply was made to PR c/9569; it has been noted by GNATS.

From: Andreas Jaeger <aj@suse.de>
To: stefaandr@hotmail.com
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: c/9569: 8 bytes seems to long for long long int
Date: Tue, 04 Feb 2003 15:35:34 +0100

 stefaandr@hotmail.com writes:
 
 >>Number:         9569
 >>Category:       c
 >>Synopsis:       8 bytes seems to long for long long int
 
 > [...]
 
 > int main() {
 > 	long long int x = 0x0123456789abcdef;
 
 0x0123456789abcdef is a const of type int, if you want, a long long
 constant, append LL,
 
 Andreas
 
 Andreas
 -- 
  Andreas Jaeger
   SuSE Labs aj@suse.de
    private aj@arthur.inka.de
     http://www.suse.de/~aj