From: Jason Merrill <jason@redhat.com>
To: Florian Weimer <fw@deneb.enyo.de>
Cc: Zack Weinberg <zack@codesourcery.com>,
kenner@vlsi1.ultra.nyu.edu (Richard Kenner),
gcc-patches@gcc.gnu.org
Subject: Re: [patch] for PR 18040
Date: Mon, 18 Oct 2004 18:02:00 -0000 [thread overview]
Message-ID: <xyppt3f29nk.fsf@miranda.boston.redhat.com> (raw)
In-Reply-To: <87lle42ani.fsf@deneb.enyo.de> (Florian Weimer's message of "Mon, 18 Oct 2004 19:34:09 +0200")
On Mon, 18 Oct 2004 19:34:09 +0200, Florian Weimer <fw@deneb.enyo.de> wrote:
> * Jason Merrill:
>
>> On Mon, 18 Oct 2004 14:33:03 +0200, Florian Weimer <fw@deneb.enyo.de> wrote:
>>
>>> Unfortunately, var doesn't have to be addressable.
>>
>> If var isn't addressable, there's no way to break up references into
>> multiple statements, because there's no way to get a handle on an
>> intermediate reference. So it seems that we need to support
>> VIEW_CONVERT_EXPR (but not NOP_EXPR) inside references.
>>
> The language permits to work on an addressable copy instead
But that can be arbitrarily expensive for large types, and impossible for
variable-sized types.
Jason
next prev parent reply other threads:[~2004-10-18 17:56 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-17 22:30 Richard Kenner
2004-10-17 22:36 ` Andrew Pinski
2004-10-17 23:41 ` Zack Weinberg
2004-10-18 13:13 ` Florian Weimer
2004-10-18 17:24 ` Jason Merrill
2004-10-18 17:37 ` Florian Weimer
2004-10-18 18:02 ` Jason Merrill [this message]
2004-10-19 22:40 ` Zack Weinberg
-- strict thread matches above, loose matches on Subject: below --
2004-10-20 13:27 Richard Kenner
2004-10-20 0:25 Richard Kenner
2004-10-19 23:26 Richard Kenner
2004-10-19 23:22 Richard Kenner
2004-10-19 23:03 Richard Kenner
2004-10-19 23:13 ` Jason Merrill
2004-10-19 22:48 Richard Kenner
2004-10-19 23:01 ` Jason Merrill
2004-10-19 23:07 ` Zack Weinberg
2004-10-18 17:48 Richard Kenner
2004-10-18 15:42 Richard Kenner
2004-10-18 14:52 Richard Kenner
2004-10-18 15:20 ` Daniel Berlin
2004-10-18 14:38 Richard Kenner
2004-10-18 14:24 Richard Kenner
2004-10-19 22:50 ` Zack Weinberg
2004-10-18 14:22 Richard Kenner
2004-10-19 22:47 ` Zack Weinberg
2004-10-18 3:12 Richard Kenner
2004-10-18 4:02 ` Zack Weinberg
2004-10-18 4:26 ` Daniel Berlin
2004-10-18 2:46 Richard Kenner
2004-10-18 2:38 Richard Kenner
2004-10-18 3:14 ` Zack Weinberg
2004-10-18 2:35 Richard Kenner
2004-10-18 2:51 ` Zack Weinberg
2004-10-17 23:06 Richard Kenner
2004-10-17 23:45 ` Zack Weinberg
2004-10-18 0:23 ` Zack Weinberg
2004-10-17 21:24 Richard Kenner
2004-10-17 21:43 ` Zack Weinberg
2004-10-17 21:18 Richard Kenner
2004-10-17 21:26 ` Zack Weinberg
2004-10-17 21:04 Richard Kenner
2004-10-17 21:10 ` Zack Weinberg
2004-10-19 21:36 ` Richard Henderson
2004-10-19 22:19 ` Daniel Berlin
2004-10-20 7:03 ` Jason Merrill
2004-10-19 22:51 ` Zack Weinberg
2004-10-20 0:02 ` Richard Henderson
2004-10-17 20:25 Richard Kenner
2004-10-17 20:47 ` Daniel Berlin
2004-10-17 20:17 Richard Kenner
2004-10-17 20:25 ` Daniel Berlin
2004-10-17 19:46 Richard Kenner
2004-10-17 19:46 ` Daniel Berlin
2004-10-17 19:48 ` Zdenek Dvorak
2004-10-17 20:01 ` Daniel Berlin
2004-10-17 19:28 Zdenek Dvorak
2004-10-19 21:36 ` Richard Henderson
2004-10-19 22:03 ` Zdenek Dvorak
2004-10-19 22:04 ` Andrew Pinski
2004-10-19 22:06 ` Zdenek Dvorak
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