RE: pygccjit give back

Thank you!

I will try to to rebuild gcc-5 as you have suggested.

Regards,
Jurica

________________________________________
From: YunQiang Su [[email protected]]
Sent: 14 September 2015 14:50
To: Jurica Stanojkovic
Cc: Aurelien Jarno; [email protected]; [email protected]; [email protected]
Subject: Re: pygccjit give back

On Mon, Sep 14, 2015 at 8:43 PM, Jurica Stanojkovic
<[email protected]> wrote:
> Yes I am aware of that.
> There is a -mips1 flag in compile line.
> I am not sure what is the reason for this.
>
> Additionally I have traced back changes that caused this new issue and they are first introduces with gcc-5_5.2.1-13 version:
> https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/jit/jit-playback.h?r1=225207&r2=226126
> https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/jit/jit-playback.c?r1=225726&r2=226126
>
> Building gcc-5 from source without those changes resolved this issue on mips/mipsel.

I also find a possible reason, when build gccjit in gcc/debian/rules2,
it has no mips2 options used at all, then `-mips1' option may be set by default.

So maybe we can try to rebuild gcc-5 with --with-arch-32=mips32r2
--with-fp-32=xx
for gccjit.

>
> Thanks!
>
> Regards,
> Jurica
>
> ________________________________________
> From: YunQiang Su [[email protected]]
> Sent: 14 September 2015 14:32
> To: Jurica Stanojkovic
> Cc: Aurelien Jarno; [email protected]; [email protected]; [email protected]
> Subject: Re: pygccjit give back
>
> On Mon, Sep 14, 2015 at 6:09 PM, Jurica Stanojkovic
> <[email protected]> wrote:
>> Thank you!
>>
>> This was expected to happen.
>> I have asked for give-back in order for this new error about ldc1/sdc1 and fp=xx to became visible on pygccjit build log.
>> This issue was not there when gcc-5_5.1.1-13 binaries were used for package build.
>> Moving to newer gcc-5 binaries introduced this new issue to pygccjit.
>
> It should be introduced by enable fpxx by default.
> As ldc1/sdc1 are introduced from MIPS II.
> So, maybe somewhere, `-mips1' option is used.
>
>>
>> gcc-5 bug is reported here:
>> 798710: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798710
>>
>> Regards,
>> Jurica
>>
>>
>> ________________________________________
>> From: Aurelien Jarno [[email protected]]
>> Sent: 13 September 2015 01:21
>> To: Jurica Stanojkovic
>> Cc: [email protected]; [email protected]; [email protected]
>> Subject: Re: pygccjit give back
>>
>> Hi,
>>
>> On 2015-09-12 21:35, Jurica Stanojkovic wrote:
>>> Hello,
>>>
>>> Please give back package pygccjit_0.4-4 package on mips or mipsel if possible.
>>> This will help to notice new issue to this package introduced with new version of gcc-5 package.
>>> Following two changes to gcc-5 are causing this issue:
>>>
>>> https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/jit/jit-playback.h?r1=225207&r2=226126
>>> https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/jit/jit-playback.c?r1=225726&r2=226126
>>>
>>> Please take a look at Debian bug:
>>> 798710: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798710
>>
>> I have done that on both mips and mipsel. Unfortunately it already
>> failed on mips with the same error about ldc1/sdc1 and fp=xx.
>>
>> Aurelien
>>
>> --
>> Aurelien Jarno                          GPG: 4096R/1DDD8C9B
>> [email protected]                 http://www.aurel32.net
>>
>
>
>
> --
> YunQiang Su



--
YunQiang Su