This discussion seems to have died out.  Is this something which
should/will be fixed.  Should I open a bug ticket?

On Thu, Aug 27, 2009 at 12:53 PM, Yusuke ENDOH <mame / tsg.ne.jp> wrote:
> Hi,
>
> 2009/8/27 Rick DeNatale <rick.denatale / gmail.com>:
>> On Wed, Aug 26, 2009 at 7:25 PM, Yukihiro Matsumoto<matz / ruby-lang.org> wrote:
>>> Hi,
>>>
>>> In message "Re: [ruby-core:25143] Is this an intentional change in 1.9?"
>>>  ¨ÂÔèõ¬ ²· Áõ²°°¹ °²º³°ºµ± «°¹°°¬ Òéãë ÄåÎáôáìå ¼òéãë®äåîáôáìåÀçíáéì®ãïí÷òéôåó>>>
>>> |This seems like a 1.9 bug. Is it?
>>>
>>> I vaguely remember ko1 explained me about the change due to a YARV
>>> internal issue.  ¨Âèáöå ôï ÷áéô ëïôï äåôåòíéîéô§ó âõïò îïô®
>>
>> I think it's a code generation issue, and also that it's important not
>> to change the semantics of a.x ||= value
>
>
> I agree.  ¨Â åøðåãôåä ôèáô àá®ø üüöáìõå§ éó åñõáôï àá®ø üü ᮽáìõå§> but 1.9 cheated on me.
>
>
>  ¨Â Ïâêåãô®îå÷
>  ¨Âåæ á®æïï» îéì» åî>  ¨Âåæ á®æïｨø©» ºâïïåî>
>  ¨Â¨á®æïï üüºæïï½¾ ºâïï
>  ¨Â¨á®æïï üü á®æïºæïºæïï
>
>
> Here is a patch.  ¨Âèåá®òåôõòîîéïò æáìóå¬ ôèòåíïòå éîóôòõãôéïîó
> are executed than current implementation.  ¨Â èáöå îïíåáóõòåä áãôõáì
> impact of speed.
>
>
> Index: compile.c
> ===================================================================
> --- compile.c (revision 24684)
> +++ compile.c (working copy)
> @@ -3842,22 +3842,26 @@
>  ¨Âìãæé >  ¨Âïð >  ¨Âöá > - send a= # v
> - jump lfin # v
> + swap  v r
> + topn 1  v r v
> + send a= # v ?
> + jump lfin # v ?
>
>  ¨Âãæéî >  ¨Â÷á > +
> + lfin: # o ?
>  ¨Âïð >
> - lfin: # v
> -
>  and
>  ¨Âõð >  ¨Âîìåóìãæé>  ¨Âïð >  ¨Âöá > - send a= # v
> - jump lfin # v
> + swap  v r
> + topn 1  v r v
> + send a= # v ?
> + jump lfin # v ?
>
>  others
>  ¨Âöá > @@ -3881,15 +3885,17 @@
>  ¨Â
>  ¨ÂÄÄßÉÎÓΨòåô¬ îäßìéîå¨îïä婬 ðïð©>  ¨ÂÏÍÐÉÌŨòåô¢ÎÏÄÅßÏÐßÁÓÇβ öáì¢îïäå­¾îäßöáìõå©»
> + ADD_INSN(ret, nd_line(node), swap);
> + ADD_INSN1(ret, nd_line(node), topn, INT2FIX(1));
>  ¨ÂÄÄßÓÅÎĨòåô¬ îäßìéîå¨îïä婬 ÉIJÓÙͨîïäå­¾îäßîåøô­¾îäßáé䩬
> INT2FIX(1));
>  ¨ÂÄÄßÉÎÓĮ̂òåôîäßìéîå¨îïä婬 êõíðìæéî©»
>
>  ¨ÂÄÄßÌÁÂĄ̊òåôìãæéî©>  ¨ÂÄÄßÉÎÓΨòåô¬ îäßìéîå¨îïä婬 ó÷áð©»
> - ADD_INSN(ret, nd_line(node), pop);
>
>  ¨ÂÄÄßÌÁÂĄ̊òåôìæéî©»
> + ADD_INSN(ret, nd_line(node), pop);
>  ¨Â
>  ¨Âìó>  ¨ÂÏÍÐÉÌŨòåô¢ÎÏÄÅßÏÐßÁÓÇβ öáì¢îïäå­¾îäßöáìõå©»
>
> --
> Yusuke ENDOH <mame / tsg.ne.jp>
>
>



-- 
Rick DeNatale

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