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From: Andreas Schwab <schwab@linux-m68k.org>
To: Vitalie Spinu <spinuvit@gmail.com>
Cc: Achim Gratz <Stromeko@nexgo.de>, emacs-devel@gnu.org
Subject: Re: [Patch] hard-widen-limits [was Re: Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.]]
Date: Sun, 24 Apr 2016 18:19:34 +0200	[thread overview]
Message-ID: <87h9erdlnt.fsf@linux-m68k.org> (raw)
In-Reply-To: <874mardm1u.fsf@gmail.com> (Vitalie Spinu's message of "Sun, 24 Apr 2016 18:11:09 +0200")

Vitalie Spinu <spinuvit@gmail.com> writes:

>>> On Sun, Apr 24 2016 15:20, Andreas Schwab wrote:
>
>> Vitalie Spinu <spinuvit@gmail.com> writes:
>
>>> @@ -1692,7 +1692,7 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth,
>>>  
>>>  	CASE (Bwiden):
>>>  	  BEFORE_POTENTIAL_GC ();
>>> -	  PUSH (Fwiden ());
>>> +	  TOP = Fwiden (TOP);
>
>> You are clobbering the stack here.  Instead of pushing a new value you
>> are overwriting an unrelated value on the stack.
>
> I don't think so. I pick an argument form the stack and put the return value in
> it. This is what all one-arg functions do in bytecode.c.

But nobody is pushing that argument.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."



  reply	other threads:[~2016-04-24 16:19 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20160311151512.GD2888@acm.fritz.box>
     [not found] ` <b158555f-e014-ed7b-23eb-d80d2d77a6f4@yandex.ru>
     [not found]   ` <20160311212410.GG2888@acm.fritz.box>
     [not found]     ` <73903215-f94b-e194-7bfe-0d6350c95769@yandex.ru>
     [not found]       ` <20160311221540.GH2888@acm.fritz.box>
     [not found]         ` <2c301ec9-041d-9172-d628-479062314b23@yandex.ru>
2016-03-14 15:16           ` Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.] Alan Mackenzie
2016-03-14 17:34             ` Andreas Röhler
2016-03-14 20:06             ` Dmitry Gutov
2016-03-19 22:51               ` Vitalie Spinu
2016-03-20  2:19                 ` Dmitry Gutov
2016-03-20 12:15                   ` Vitalie Spinu
2016-03-20 15:58                     ` Dmitry Gutov
2016-03-21  1:05                       ` Vitalie Spinu
2016-03-21  3:11                         ` Stefan Monnier
2016-03-21  5:05                           ` Vitalie Spinu
2016-03-21  7:13                             ` Andreas Röhler
2016-03-21 12:26                             ` Stefan Monnier
2016-03-21 14:13                               ` Vitalie Spinu
2016-03-21 14:43                                 ` Stefan Monnier
2016-03-21 16:42                                   ` Vitalie Spinu
2016-03-21 18:31                                     ` Stefan Monnier
2016-03-21 19:16                                       ` Vitalie Spinu
2016-03-21 20:47                                         ` Stefan Monnier
2016-03-21 20:33                                     ` Alan Mackenzie
2016-03-21 20:49                                       ` Stefan Monnier
2016-03-21 21:03                                       ` Drew Adams
2016-03-21 21:12                                       ` Dmitry Gutov
2016-03-21 16:45                                   ` Vitalie Spinu
2016-03-21 22:55                                     ` Dmitry Gutov
2016-03-22 14:51                                     ` Stefan Monnier
2016-03-22 18:17                                       ` Vitalie Spinu
2016-03-23  1:18                                         ` Dmitry Gutov
2016-03-23 13:18                                         ` Stefan Monnier
2016-03-22 18:26                                       ` Vitalie Spinu
2016-03-23  2:07                                         ` Stefan Monnier
2016-03-23 10:56                                           ` Vitalie Spinu
2016-03-23 11:41                                             ` Stefan Monnier
2016-03-23 12:39                                               ` Vitalie Spinu
2016-03-23 13:23                                                 ` Stefan Monnier
2016-03-23 15:28                                                   ` Dmitry Gutov
2016-03-23 21:51                                                     ` Vitalie Spinu
2016-03-24  7:30                                               ` Andreas Röhler
2016-03-21 11:56                           ` Dmitry Gutov
2016-03-21  5:08                         ` [Patch] hard-widen-limits [was Re: Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.]] Vitalie Spinu
2016-03-21 12:39                           ` Stefan Monnier
2016-03-21 12:54                             ` Vitalie Spinu
2016-03-21 14:07                               ` Stefan Monnier
2016-03-21 14:14                                 ` Vitalie Spinu
2016-03-21 14:04                             ` Stefan Monnier
2016-03-21 14:33                               ` Vitalie Spinu
2016-03-21 14:54                                 ` Stefan Monnier
2016-03-21 17:16                                   ` Vitalie Spinu
2016-03-21 18:36                                     ` Stefan Monnier
2016-03-21 19:18                                       ` Vitalie Spinu
2016-03-22  3:17                                         ` Vitalie Spinu
2016-03-22  9:57                                           ` Vitalie Spinu
2016-03-22 10:05                                             ` Vitalie Spinu
2016-03-22 11:57                                               ` Stefan Monnier
2016-03-22 16:28                                                 ` Vitalie Spinu
2016-03-22 16:44                                                   ` Stefan Monnier
2016-03-22 19:36                                                     ` Vitalie Spinu
2016-03-23  2:22                                                       ` Stefan Monnier
2016-03-23 11:41                                                         ` Vitalie Spinu
2016-03-23 12:34                                                           ` Stefan Monnier
2016-03-23 12:41                                                             ` Vitalie Spinu
2016-03-29 21:43                                                               ` Vitalie Spinu
2016-04-22 14:34                                                                 ` Dmitry Gutov
2016-04-24  7:22                                                                   ` Vitalie Spinu
2016-04-24  7:28                                                                     ` Achim Gratz
2016-04-24 11:33                                                                       ` Vitalie Spinu
2016-04-24 13:20                                                                         ` Andreas Schwab
2016-04-24 16:11                                                                           ` Vitalie Spinu
2016-04-24 16:19                                                                             ` Andreas Schwab [this message]
2016-04-24 16:41                                                                               ` Vitalie Spinu
2016-04-24 16:48                                                                                 ` Andreas Schwab
2016-04-24 18:01                                                                                   ` Vitalie Spinu
2016-04-24 19:05                                                                                     ` Andreas Schwab
2016-04-28 13:29                                                 ` Vitalie Spinu
2016-04-30 14:06                                                   ` Stefan Monnier
2016-03-22 20:08                                               ` Richard Stallman
2016-03-22 22:45                                                 ` Vitalie Spinu
2016-03-21 11:47                         ` Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.] Dmitry Gutov
2016-03-21 12:40                           ` Vitalie Spinu
2016-03-21 13:07                             ` Dmitry Gutov
2016-03-21 14:20                               ` Vitalie Spinu
2016-03-21 14:29                                 ` Dmitry Gutov
2016-03-21 14:42                                   ` Vitalie Spinu
2016-03-21 14:56                                     ` Dmitry Gutov
2016-03-21 16:52                                       ` Vitalie Spinu
2016-03-21 21:30                                         ` Dmitry Gutov
2016-04-03 23:34                                           ` John Wiegley
2016-03-21 14:02                             ` Stefan Monnier
2016-03-21 14:31                               ` Vitalie Spinu
2016-03-21 15:06                                 ` Stefan Monnier
2016-03-21 17:15                                   ` Andreas Röhler

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