From: Mark Mitchell <mark@codesourcery.com>
To: Neil Booth <neil@daikokuya.demon.co.uk>, mike stump <mrs@windriver.com>
Cc: "gdr@codesourcery.com" <gdr@codesourcery.com>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>,
"pfeifer@dbai.tuwien.ac.at" <pfeifer@dbai.tuwien.ac.at>,
"rodrigc@mediaone.net" <rodrigc@mediaone.net>,
"zack@codesourcery.com" <zack@codesourcery.com>
Subject: Re: ICE in change_address at emit_rtl.c
Date: Thu, 15 Nov 2001 09:00:00 -0000 [thread overview]
Message-ID: <60630000.1006677408@warlock.codesourcery.com> (raw)
In-Reply-To: <20011124113047.A769@daikokuya.demon.co.uk>
--On Saturday, November 24, 2001 11:30:47 AM +0000 Neil Booth
<neil@daikokuya.demon.co.uk> wrote:
> mike stump wrote:-
>
>> Then you generate a spew of bad messages making gcc substantially
>> worse from the users perspective, or you in the end rediscover why
>> error_mark_node exists.
>
> I'm happy to waste a few days rediscovering that, then 8-) It's just
> got too invasive and ill-defined for my liking. e.g. you mentioned it
> in operations, but it also creeps into types and other things.
>
> Do other compilers written in C have something equivalent?
Yes. I know two other successful compiler front ends quite well,
and both have a similar notion. However, the places in which it
can appear are better documented, and they use the approach I
advocate (i.e., ERROR_MARK_TYPE, ERROR_MARK_DECL, etc.) rather
than just a single node.
--
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: Neil Booth <neil@daikokuya.demon.co.uk>, mike stump <mrs@windriver.com>
Cc: "gdr@codesourcery.com" <gdr@codesourcery.com>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>,
"pfeifer@dbai.tuwien.ac.at" <pfeifer@dbai.tuwien.ac.at>,
"rodrigc@mediaone.net" <rodrigc@mediaone.net>,
"zack@codesourcery.com" <zack@codesourcery.com>
Subject: Re: ICE in change_address at emit_rtl.c
Date: Sun, 25 Nov 2001 00:41:00 -0000 [thread overview]
Message-ID: <60630000.1006677408@warlock.codesourcery.com> (raw)
Message-ID: <20011125004100.1xZCrOYmMwCVR35JgHGB8prhqwKHDc-z5X0cRYPsCvc@z> (raw)
In-Reply-To: <20011124113047.A769@daikokuya.demon.co.uk>
--On Saturday, November 24, 2001 11:30:47 AM +0000 Neil Booth
<neil@daikokuya.demon.co.uk> wrote:
> mike stump wrote:-
>
>> Then you generate a spew of bad messages making gcc substantially
>> worse from the users perspective, or you in the end rediscover why
>> error_mark_node exists.
>
> I'm happy to waste a few days rediscovering that, then 8-) It's just
> got too invasive and ill-defined for my liking. e.g. you mentioned it
> in operations, but it also creeps into types and other things.
>
> Do other compilers written in C have something equivalent?
Yes. I know two other successful compiler front ends quite well,
and both have a similar notion. However, the places in which it
can appear are better documented, and they use the approach I
advocate (i.e., ERROR_MARK_TYPE, ERROR_MARK_DECL, etc.) rather
than just a single node.
--
Mark Mitchell mark@codesourcery.com
CodeSourcery, LLC http://www.codesourcery.com
next prev parent reply other threads:[~2001-11-25 8:41 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-14 12:01 mike stump
2001-11-14 14:57 ` Neil Booth
2001-11-14 16:35 ` Gabriel Dos Reis
2001-11-15 9:00 ` Mark Mitchell [this message]
2001-11-25 0:41 ` Mark Mitchell
-- strict thread matches above, loose matches on Subject: below --
2001-11-17 17:09 mike stump
2001-11-17 20:34 ` Per Bothner
2001-11-26 14:58 ` Per Bothner
2001-11-26 14:51 ` mike stump
2001-11-17 11:46 Richard Kenner
2001-11-26 13:36 ` Richard Kenner
2001-11-17 11:23 mike stump
2001-11-26 13:29 ` mike stump
2001-11-17 11:19 mike stump
2001-11-26 12:54 ` mike stump
2001-11-16 9:26 Richard Kenner
2001-11-26 3:15 ` Richard Kenner
2001-11-15 23:55 Richard Kenner
2001-11-25 17:22 ` Richard Kenner
2001-11-15 20:12 Richard Kenner
2001-11-15 20:19 ` Per Bothner
2001-11-25 16:48 ` Per Bothner
2001-11-25 16:24 ` Richard Kenner
2001-11-15 17:44 Richard Kenner
2001-11-15 19:52 ` Per Bothner
2001-11-25 16:13 ` Per Bothner
2001-11-25 15:01 ` Richard Kenner
2001-11-15 17:25 Richard Kenner
2001-11-15 17:39 ` Per Bothner
2001-11-25 14:50 ` Per Bothner
2001-11-25 14:37 ` Richard Kenner
2001-11-15 16:24 Richard Kenner
2001-11-15 17:08 ` Per Bothner
2001-11-25 14:33 ` Per Bothner
2001-11-25 13:44 ` Richard Kenner
2001-11-15 14:19 Richard Kenner
2001-11-25 6:42 ` Richard Kenner
2001-11-15 13:20 Richard Kenner
2001-11-15 13:20 ` Neil Booth
2001-11-25 6:34 ` Neil Booth
2001-11-16 8:52 ` Richard Henderson
2001-11-25 23:22 ` Richard Henderson
2001-11-25 6:29 ` Richard Kenner
2001-11-15 12:28 Richard Kenner
2001-11-15 12:44 ` Neil Booth
2001-11-25 5:33 ` Neil Booth
2001-11-25 5:25 ` Richard Kenner
2001-11-15 11:05 Richard Kenner
2001-11-15 12:07 ` Neil Booth
2001-11-25 5:23 ` Neil Booth
2001-11-15 14:55 ` Per Bothner
2001-11-25 10:27 ` Per Bothner
2001-11-25 5:13 ` Richard Kenner
2001-11-15 10:14 Richard Kenner
2001-11-15 10:36 ` Neil Booth
2001-11-25 5:06 ` Neil Booth
2001-11-25 4:23 ` Richard Kenner
2001-11-15 8:15 mike stump
2001-11-15 8:43 ` Zack Weinberg
2001-11-24 23:06 ` Zack Weinberg
2001-11-15 8:02 mike stump
2001-11-15 9:51 ` Neil Booth
2001-11-25 4:02 ` Neil Booth
2001-11-13 16:47 dewar
2001-11-13 6:18 Craig Rodrigues
2001-11-13 8:25 ` Gerald Pfeifer
2001-11-13 8:39 ` Craig Rodrigues
2001-11-13 8:40 ` Gerald Pfeifer
2001-11-13 14:52 ` Gerald Pfeifer
2001-11-13 16:41 ` Zack Weinberg
2001-11-13 16:55 ` Neil Booth
2001-11-13 18:07 ` Gabriel Dos Reis
2001-11-13 18:09 ` Neil Booth
2001-11-14 9:46 ` Zack Weinberg
2001-11-14 10:02 ` Neil Booth
2001-11-14 10:06 ` Joseph S. Myers
2001-11-14 10:10 ` Neil Booth
2001-11-14 10:19 ` Joseph S. Myers
2001-11-14 14:16 ` Gabriel Dos Reis
2001-11-14 17:34 ` Michal Moskal
2001-11-14 13:55 ` Gabriel Dos Reis
2001-11-14 15:00 ` Neil Booth
2001-11-14 16:50 ` Gabriel Dos Reis
2001-11-14 12:43 ` Phil Edwards
2001-11-15 0:55 ` Mark Mitchell
2001-11-15 1:22 ` Gabriel Dos Reis
2001-11-15 1:44 ` Neil Booth
2001-11-15 4:55 ` Zack Weinberg
2001-11-15 5:19 ` Joseph S. Myers
2001-11-15 6:58 ` Zack Weinberg
2001-11-15 9:07 ` Mark Mitchell
2001-11-17 9:40 ` Zack Weinberg
2001-11-17 9:56 ` Mark Mitchell
2001-11-18 4:44 ` Zack Weinberg
2001-11-26 16:45 ` Zack Weinberg
2001-11-26 11:55 ` Mark Mitchell
2001-11-26 11:46 ` Zack Weinberg
2001-11-25 0:42 ` Mark Mitchell
2001-11-15 9:23 ` Neil Booth
2001-11-17 10:37 ` Zack Weinberg
2001-11-17 10:54 ` Neil Booth
2001-11-26 12:25 ` Neil Booth
2001-11-26 12:07 ` Zack Weinberg
2001-11-25 3:50 ` Neil Booth
2001-11-15 5:14 ` Mark Mitchell
2001-11-16 6:27 ` Fergus Henderson
2001-11-16 8:32 ` Daniel Berlin
2001-11-25 22:49 ` Daniel Berlin
2001-11-25 22:06 ` Fergus Henderson
2001-11-15 3:02 ` Zack Weinberg
2001-11-16 4:04 ` Fergus Henderson
2001-11-25 21:58 ` Fergus Henderson
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