[cfe-commits] Plumbing through some MIPS options
Carl Norum
carl at lytro.com
Fri Aug 17 16:26:44 PDT 2012
Sure, easily done.
-- Carl
On Aug 17, 2012, at 4:18 PM, Hatanaka, Akira wrote:
> Could you rename the option to "disable-mips-delay-filler" (false by default)?
>
> ________________________________________
> From: Carl Norum [carl at lytro.com]
> Sent: Friday, August 17, 2012 4:00 PM
> To: Hatanaka, Akira
> Cc: Eli Friedman; cfe-commits
> Subject: Re: [cfe-commits] Plumbing through some MIPS options
>
> Yeah, -G is the GCC option. We have it passed through right now in some -Xassembler flags.
>
> I'll turn the delay filler on by default and change the other flag's name to -G.
>
> -- Carl
>
>
> On Aug 17, 2012, at 2:25 PM, Hatanaka, Akira wrote:
>
>> I believe this "-G" option is it:
>>
>> -G NUM allow referencing objects up to NUM bytes
>> implicitly with the gp register [default 8]
>> ________________________________________
>> From: Eli Friedman [eli.friedman at gmail.com]
>> Sent: Friday, August 17, 2012 2:20 PM
>> To: Hatanaka, Akira
>> Cc: Carl Norum; cfe-commits
>> Subject: Re: [cfe-commits] Plumbing through some MIPS options
>>
>> On Fri, Aug 17, 2012 at 2:16 PM, Hatanaka, Akira <ahatanaka at mips.com> wrote:
>>> (These are my personal opinions)
>>>
>>> Turning on "-enable-mips-delay-filler" by default (in MipsDelaySlotFiller.cpp) or turning it on when compiling with "-O3" is better. I don't think it should be exposed as a command line option. We have been planning to change this for a while, but haven't done so.
>>>
>>> -mmips-short-section-threshold is fine. There is a similar option in gcc.
>>
>> What's the name of the gcc option? If there's precedent, we should
>> probably follow it.
>>
>> -Eli
>
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