This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH MIPS][LS3A] Add the pipeline description for Loongson3A
- From: Mingjie Xing <mingjie dot xing at gmail dot com>
- To: Mingjie Xing <mingjie dot xing at gmail dot com>, gcc-patches at gcc dot gnu dot org, Mingming Sun <mingm dot sun at gmail dot com>, rdsandiford at googlemail dot com
- Date: Tue, 4 Jan 2011 11:00:53 +0800
- Subject: Re: [PATCH MIPS][LS3A] Add the pipeline description for Loongson3A
- References: <AANLkTimi546_9gSaK6x1s1RabSk7SdAriHVjXFBbQ1BZ@mail.gmail.com> <87ei8u5g11.fsf@firetop.home>
2011/1/3 Richard Sandiford <rdsandiford@googlemail.com>:
> Mingjie Xing <mingjie.xing@gmail.com> writes:
>> 2011-01-02 ?Mingjie Xing ?<mingjie.xing@gmail.com>
>>
>> ? ? ? ? * config/mips/loongson3a.md: New file.
>> ? ? ? ? * config/mips/mips.md: Include loongson3a.md.
>> ? ? ? ? * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
>> ? ? ? ? TUNE_LOONGSON_3A.
>
>> +;; All the fp operations can be executed in FAUL1. ?Only fp add,
>> +;; sub, mul, madd can be executed in FAUL2. ?Try FAUL2 firstly.
>
> s/FAUL/FALU/
Oops, thanks.
> OK with that change, thanks. ?Are you also planning to update the
> 3A costs entry in mips_rtx_cost_data?
>
> Richard
>
Committed revision 168452. I need to do some tests on
mips_rtx_cost_data. Thanks for your reminding me of that.
Mingjie