linux-kernel - Re: [Suggestion] arc: compiler: bug: about an arc compiler's bug which is not in gcc main source code.

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Message-ID: <52706456.5060802@asianux.com>
Date:	Wed, 30 Oct 2013 09:43:50 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Francois Bedard <Francois.Bedard@...opsys.com>
CC:	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	"jeremy.bennett@...ecosm.com" <jeremy.bennett@...ecosm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Claudiu Zissulescu <Claudiu.Zissulescu@...opsys.com>,
	joern Rennecke <joern.rennecke@...ecosm.com>
Subject: Re: [Suggestion] arc: compiler: bug: about an arc compiler's bug
 which is not in gcc main source code.

On 10/23/2013 11:12 AM, Chen Gang wrote:
> On 10/23/2013 10:51 AM, Francois Bedard wrote:
>> Our sources are on github at https://github.com/foss-for-synopsys-dwc-arc-processors  and you can report problems by opening "Issues" with command lines and log outputs below against relevant toolchain component:
>>
>> For GCC:  https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/issues?state=open
>> For binutils: https://github.com/foss-for-synopsys-dwc-arc-processors/binutils/issues?page=1&state=open 
>>
>> Go ahead and officially file these and we'll take a look at them. 
> 

Hello Francois, I marked them at 2013-10-26 night (China time).

  for gcc (3 issues, but #28 duplicates with #26): 

    https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/issues/26
    https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/issues/27
    https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/issues/28

  for binutils (1 issue):

    https://github.com/foss-for-synopsys-dwc-arc-processors/binutils/issues/21


Hello Joern, for current shrinking status:

  for gcc issue #26, (#28 is its duplication):

    issue command: arc-elf32-gcc -Os -fno-reorder-blocks -c systohc.i
    source code:   systohc.i contents 41 lines (past it on website).
    whether GNU:   only for arc, gnu no issue: gnu gcc-4.8/4.9 are OK.

  for gcc issue #27:

    issue command: arc-elf32-gcc -Os -c target_core_pr.i
    status:        just shrinking code.
                   will/should be finish within 2013-10-31.
                   welcome any suggestions or completions.

  for binutils issue #21:

    it seems simple enough, if still need shrinking, please let me know.


It seems no response, and I am a newbie about the website, need I do
something more for them? (e.g. cc to some members, although I don't
know how to cc).

> I will/should go ahead, hope I can finish reporting them within this
> week (2013-10-27)
> 
> Thanks.
> 

Thanks.
-- 
Chen Gang
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