From: Xinliang David Li <davidxl@google.com>
To: Jason Merrill <jason@redhat.com>
Cc: Sriraman Tallam <tmsriram@google.com>,
mark@codesourcery.com, nathan@codesourcery.com,
"H.J. Lu" <hjl.tools@gmail.com>,
Richard Guenther <richard.guenther@gmail.com>,
Jan Hubicka <jh@suse.cz>, Uros Bizjak <ubizjak@gmail.com>,
reply@codereview.appspotmail.com, gcc-patches@gcc.gnu.org
Subject: Re: User directed Function Multiversioning via Function Overloading (issue5752064)
Date: Mon, 09 Jul 2012 21:27:00 -0000 [thread overview]
Message-ID: <CAAkRFZKxLsJLr1Z23s8W=GTX+Or5=Cz2kTD9ySKJdjrRT8WGQQ@mail.gmail.com> (raw)
In-Reply-To: <4FF96D0C.5060406@redhat.com>
Ok. Do you have specific comments on the patch?
thanks,
David
On Sun, Jul 8, 2012 at 4:20 AM, Jason Merrill <jason@redhat.com> wrote:
> On 07/07/2012 08:38 PM, Xinliang David Li wrote:
>>>
>>> It seems to me that what you have here are target-specific attributes
>>> that
>>> affect the signature of a function such that they make two declarations
>>> different that would otherwise declare the same function. Stepping away
>>> from
>>> the specific notion of versioning, it seems that these are the questions
>>> that you want the front end to be able to ask about these attributes:
>>>
>>> * Does this attribute affect a function signature?
>>
>>
>> The question becomes if a caller 'bar' with target attribute 'x' can
>> make a call to a function 'foo' with an incompatible target attribute
>> 'y'. If the answer is no, then the target attribute is part of 'foo's
>> signature. I think the answer is yes -- the attribute affects a
>> function signature.
>
>
> Yes, clearly the answer is yes for the target attribute. But I wasn't
> asking someone to answer those questions; I was saying that those are the
> questions the front end needs to be able to ask of the back end in order to
> implement this functionality in a more generic way.
>
> Jason
next prev parent reply other threads:[~2012-07-09 21:27 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-07 0:47 Sriraman Tallam
2012-03-07 14:05 ` Richard Guenther
2012-03-07 19:08 ` Sriraman Tallam
2012-03-08 21:37 ` Xinliang David Li
2012-03-08 21:00 ` Xinliang David Li
2012-03-09 20:04 ` Sriraman Tallam
2012-04-27 5:09 ` Sriraman Tallam
2012-04-27 13:39 ` H.J. Lu
2012-04-27 14:35 ` Sriraman Tallam
2012-04-27 14:39 ` H.J. Lu
2012-04-27 14:53 ` Sriraman Tallam
2012-04-27 15:36 ` H.J. Lu
2012-04-27 15:45 ` Sriraman Tallam
2012-05-01 23:51 ` Sriraman Tallam
2012-05-02 0:09 ` H.J. Lu
2012-05-02 2:45 ` Sriraman Tallam
2012-05-02 13:42 ` H.J. Lu
2012-05-02 15:08 ` Sriraman Tallam
2012-05-02 16:06 ` H.J. Lu
2012-05-02 17:44 ` Sriraman Tallam
2012-05-02 18:04 ` H.J. Lu
2012-05-07 16:58 ` Sriraman Tallam
2012-05-09 19:01 ` Sriraman Tallam
2012-05-10 17:55 ` H.J. Lu
2012-05-12 2:04 ` Sriraman Tallam
2012-05-12 13:38 ` H.J. Lu
2012-05-14 18:29 ` Sriraman Tallam
2012-05-26 0:07 ` H.J. Lu
2012-05-26 0:16 ` Sriraman Tallam
2012-05-26 0:27 ` H.J. Lu
2012-05-26 1:54 ` Sriraman Tallam
[not found] ` <CAMe9rOowm9K7r1xnRdRjW5Y4Ay+WxgSsBLTgGvq24z=i42AS+g@mail.gmail.com>
[not found] ` <CAAs8HmzeQigcLQyfkC02u=6gCTLkjLLa_jYmp+b1HEtpMCrYWw@mail.gmail.com>
2012-05-26 5:06 ` H.J. Lu
2012-05-26 22:35 ` Sriraman Tallam
2012-05-26 23:56 ` H.J. Lu
2012-05-27 0:24 ` Sriraman Tallam
2012-05-27 2:06 ` H.J. Lu
2012-05-27 2:23 ` Sriraman Tallam
2012-05-27 2:31 ` H.J. Lu
2012-05-27 19:02 ` Ian Lance Taylor
2012-06-04 19:01 ` Sriraman Tallam
2012-06-04 21:36 ` H.J. Lu
2012-06-04 22:29 ` Sriraman Tallam
2012-06-05 13:56 ` H.J. Lu
2012-06-14 20:35 ` Sriraman Tallam
2012-06-20 1:10 ` Sriraman Tallam
2012-07-06 9:14 ` Richard Guenther
2012-07-06 17:38 ` Sriraman Tallam
2012-07-07 6:06 ` Jason Merrill
2012-07-07 18:38 ` Xinliang David Li
2012-07-08 11:21 ` Jason Merrill
2012-07-09 21:27 ` Xinliang David Li [this message]
2012-07-10 9:46 ` Jason Merrill
2012-07-10 16:09 ` Xinliang David Li
[not found] ` <CAAs8HmxHF38ktt6syjWp-MpjiX+6NcXh7_8Xn6iKnAiF2vRymQ@mail.gmail.com>
2012-07-19 20:40 ` Jason Merrill
2012-07-30 19:16 ` Sriraman Tallam
2012-08-25 0:34 ` Sriraman Tallam
2012-09-18 16:29 ` Sriraman Tallam
2012-10-05 17:07 ` Xinliang David Li
2012-10-05 17:44 ` Jason Merrill
2012-10-05 18:14 ` Jason Merrill
2012-10-05 21:58 ` Sriraman Tallam
2012-10-05 22:50 ` Jason Merrill
2012-10-05 23:45 ` Sriraman Tallam
2012-10-05 18:32 ` Jason Merrill
2012-10-11 0:13 ` Sriraman Tallam
2012-10-12 22:41 ` Sriraman Tallam
2012-10-19 15:23 ` Diego Novillo
2012-10-20 4:29 ` Sriraman Tallam
2012-10-23 21:21 ` Sriraman Tallam
2012-10-26 16:53 ` Jan Hubicka
2012-10-28 4:31 ` Sriraman Tallam
2012-10-29 13:05 ` Jan Hubicka
2012-10-29 17:56 ` Sriraman Tallam
2012-10-30 19:18 ` Jason Merrill
2012-10-31 0:58 ` Sriraman Tallam
[not found] ` <CAAs8Hmw09giv-5_v0irhByTjTJV=kD58rCAD2SAz7M8zrwjBOA@mail.gmail.com>
2012-10-31 14:27 ` Jason Merrill
2012-11-02 2:53 ` Sriraman Tallam
2012-11-06 2:38 ` Sriraman Tallam
2012-11-06 15:52 ` Jason Merrill
2012-11-06 18:17 ` Sriraman Tallam
2012-11-10 1:33 ` Sriraman Tallam
2012-11-12 5:04 ` Jason Merrill
2012-11-13 1:11 ` Sriraman Tallam
2012-11-13 2:39 ` Jason Merrill
2012-11-13 21:57 ` Sriraman Tallam
2012-11-17 22:23 ` H.J. Lu
2012-11-06 22:15 ` Gerald Pfeifer
2012-10-26 14:11 ` Diego Novillo
2012-10-26 16:54 Xinliang David Li
2012-10-26 17:28 ` Sriraman Tallam
2012-11-06 22:17 Dominique Dhumieres
2012-11-07 1:16 ` Gerald Pfeifer
2012-11-07 8:53 ` Dominique Dhumieres
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