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From: Richard Henderson <rth@redhat.com>
To: ramrad01@arm.com, Sriraman Tallam <tmsriram@google.com>
Cc: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>,
	       Jan Hubicka <hubicka@ucw.cz>,
	"H.J. Lu" <hjl.tools@gmail.com>,
	       Pedro Alves <palves@redhat.com>,
	Michael Matz <matz@suse.de>,        David Li <davidxl@google.com>,
	GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [RFC][PATCH][X86_64] Eliminate PLT stubs for specified external functions via -fno-plt=
Date: Wed, 03 Jun 2015 19:57:00 -0000	[thread overview]
Message-ID: <556F5B83.2080309@redhat.com> (raw)
In-Reply-To: <CAJA7tRYJxSGNyrrVw4JCBaUF2bgM0UaJ_+Md-DNLDdKZHUxAYg@mail.gmail.com>

On 06/02/2015 01:56 PM, Ramana Radhakrishnan wrote:
> I'm sorry I'm going to push back again for the same reason.
> 
> Other than forcing targets to tweak their call insn patterns, the act
> of generating the indirect call should remain in target independent
> code.

How is that going to help?

Unless a target tweaks its call insn patterns, combine or cse is going
to reconstruct the direct call from the indirect call.  Indeed, the tweak
itself will be exactly what's needed to force the generation of the indirect
call, no?


r~

  parent reply	other threads:[~2015-06-03 19:54 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-10 15:19 H.J. Lu
     [not found] ` <CAAs8HmwWSDY+KjKcB4W=TiYV0Pz7NSvfL_8igp+hPT-LU1utTg@mail.gmail.com>
2015-05-21 21:31   ` Sriraman Tallam
2015-05-21 21:39     ` Sriraman Tallam
2015-05-21 22:02     ` Pedro Alves
2015-05-21 22:02       ` Jakub Jelinek
2015-05-22  1:47         ` H.J. Lu
2015-05-22  3:38         ` Xinliang David Li
2015-05-21 22:34       ` Sriraman Tallam
2015-05-22  9:22         ` Pedro Alves
2015-05-22 15:13           ` Sriraman Tallam
2015-05-28 18:53           ` Sriraman Tallam
2015-05-28 19:05             ` H.J. Lu
2015-05-28 19:48               ` Sriraman Tallam
2015-05-28 20:19                 ` H.J. Lu
2015-05-28 21:27                   ` Sriraman Tallam
2015-05-28 21:31                     ` H.J. Lu
2015-05-28 21:52                       ` Sriraman Tallam
2015-05-28 22:48                         ` H.J. Lu
2015-05-29  3:51                           ` Sriraman Tallam
2015-05-29  5:13                             ` H.J. Lu
2015-05-29  7:13                               ` Sriraman Tallam
2015-05-29 17:36                                 ` Sriraman Tallam
2015-05-29 17:52                                   ` H.J. Lu
2015-05-29 18:33                                     ` Sriraman Tallam
2015-05-29 20:50                                 ` Jan Hubicka
2015-05-29 22:56                                   ` Sriraman Tallam
2015-05-29 23:08                                     ` Sriraman Tallam
     [not found]                                     ` <CAJA7tRYsMiq7rx34c=z6KwRdwYxxaeP6Z6qzA4XEwnJSMT7z=Q@mail.gmail.com>
2015-05-30  4:44                                       ` Sriraman Tallam
2015-06-01  8:24                                         ` Ramana Radhakrishnan
2015-06-01 18:01                                           ` Sriraman Tallam
2015-06-01 18:41                                             ` Ramana Radhakrishnan
2015-06-01 18:55                                               ` Sriraman Tallam
2015-06-01 20:33                                                 ` Ramana Radhakrishnan
2015-06-02 18:27                                                   ` Sriraman Tallam
2015-06-02 19:59                                                     ` Bernhard Reutner-Fischer
2015-06-02 20:09                                                       ` Sriraman Tallam
2015-06-02 21:18                                                         ` Bernhard Reutner-Fischer
2015-06-02 21:09                                                     ` Ramana Radhakrishnan
2015-06-02 21:25                                                       ` Xinliang David Li
2015-06-02 21:52                                                         ` Bernhard Reutner-Fischer
2015-06-02 21:40                                                       ` Sriraman Tallam
2015-06-03 14:37                                                         ` Ramana Radhakrishnan
2015-06-03 18:53                                                           ` Sriraman Tallam
2015-06-03 20:16                                                             ` Richard Henderson
2015-06-03 20:59                                                               ` Sriraman Tallam
2015-06-04 16:56                                                                 ` Sriraman Tallam
2015-06-04 17:30                                                                   ` Richard Henderson
2015-06-04 21:34                                                                     ` Sriraman Tallam
2015-07-24 19:02                                                                   ` H.J. Lu
2015-06-03 19:57                                                       ` Richard Henderson [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-05-01  0:31 Sriraman Tallam
2015-05-01  3:21 ` Alan Modra
2015-05-01  3:26   ` Sriraman Tallam
2015-05-01 15:01 ` Andi Kleen
2015-05-01 16:19   ` Xinliang David Li
2015-05-01 16:23     ` H.J. Lu
2015-05-01 16:26       ` Xinliang David Li
2015-05-01 18:06         ` Sriraman Tallam
2015-05-02 12:12           ` Andi Kleen
2015-05-01 17:50   ` Sriraman Tallam
2015-05-04 14:45 ` Michael Matz
2015-05-04 16:43   ` Xinliang David Li
2015-05-04 16:58     ` Michael Matz
2015-05-04 17:22       ` Xinliang David Li
2015-05-09 16:35   ` H.J. Lu

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