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From: Mark Mitchell <mark@codesourcery.com>
To: pfeifer@dbai.tuwien.ac.at
Cc: gcc@gcc.gnu.org, bothner@cygnus.com, mrs@wrs.com
Subject: Re: sizeof bool > sizeof int ?!?
Date: Sat, 18 Dec 1999 17:39:00 -0000	[thread overview]
Message-ID: <19991218173707B.mitchell@codesourcery.com> (raw)
In-Reply-To: <Pine.GSO.4.20.9912190206330.11995-100000@alphard.dbai.tuwien.ac.at>

>>>>> "Gerald" == Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> writes:

    Gerald> On Thu, 20 Aug 1998, Per Bothner wrote:
    >> The last time this came up, I lobbied for making sizeof(bool)
    >> be 1 byte.  I see little reason for making sizeof(bool) >
    >> sizeof(short) [...]  Well, guess what?  I think most
    >> programmers *expect* sizeof(bool) to be 1 - but we are
    >> violating their very reasonable expectation.

    Gerald> I just checked and GCC 2.95.2 and Alpha still has sizeof
    Gerald> bool == 8, even with -fnew-api!

The IA64 C++ ABI specifies that the size and alignment of `bool' are
one.  Efficiency aside, that's what everyone expects `bool' to be, and
that's what it will be with -fnew-abi in the very near future.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

WARNING: multiple messages have this Message-ID
From: Mark Mitchell <mark@codesourcery.com>
To: pfeifer@dbai.tuwien.ac.at
Cc: gcc@gcc.gnu.org, bothner@cygnus.com, mrs@wrs.com
Subject: Re: sizeof bool > sizeof int ?!?
Date: Fri, 31 Dec 1999 23:54:00 -0000	[thread overview]
Message-ID: <19991218173707B.mitchell@codesourcery.com> (raw)
Message-ID: <19991231235400.QQOp4oTZx7qN9tY0UyHdc_kT_16LrxDgNEjnlxNtHSQ@z> (raw)
In-Reply-To: <Pine.GSO.4.20.9912190206330.11995-100000@alphard.dbai.tuwien.ac.at>

>>>>> "Gerald" == Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> writes:

    Gerald> On Thu, 20 Aug 1998, Per Bothner wrote:
    >> The last time this came up, I lobbied for making sizeof(bool)
    >> be 1 byte.  I see little reason for making sizeof(bool) >
    >> sizeof(short) [...]  Well, guess what?  I think most
    >> programmers *expect* sizeof(bool) to be 1 - but we are
    >> violating their very reasonable expectation.

    Gerald> I just checked and GCC 2.95.2 and Alpha still has sizeof
    Gerald> bool == 8, even with -fnew-api!

The IA64 C++ ABI specifies that the size and alignment of `bool' are
one.  Efficiency aside, that's what everyone expects `bool' to be, and
that's what it will be with -fnew-abi in the very near future.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

  reply	other threads:[~1999-12-18 17:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1998-07-03  6:15 Gerald Pfeifer
1998-07-05  2:58 ` Rask Ingemann Lambertsen
1998-07-06  4:08   ` Gary V. Vaughan
1998-07-09 12:13     ` Per Bothner
1998-07-10  6:04       ` Gary V. Vaughan
1998-07-06 14:48   ` Richard Hadsell
1998-08-13 17:47     ` Richard Hadsell
1998-08-20  9:57       ` Richard Hadsell
1998-08-20 20:37         ` Per Bothner
1999-12-18 17:14           ` Gerald Pfeifer
1999-12-18 17:39             ` Mark Mitchell [this message]
1999-12-31 23:54               ` Mark Mitchell
1999-12-31 23:54             ` Gerald Pfeifer
1998-08-20 20:37         ` Richard Henderson
1998-08-21 19:47 Mike Stump
1998-08-21 19:47 ` Richard Hadsell
1998-08-22  7:32 ` Jeroen Dobbelaere

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