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Re: [RFC PATCH, i386]: Implement ix86_set_reg_reg_cost, fix PR 53250 "Splitting reg" failure.


On Mon, May 7, 2012 at 10:40 PM, Uros Bizjak <ubizjak@gmail.com> wrote:

> 2012-05-07 ?Uros Bizjak ?<ubizjak@gmail.com>
>
> ? ? ? ?PR target/53250
> ? ? ? ?* config/i386/i386.c (ix86_set_reg_reg_cost): New function.
> ? ? ? ?(ix86_rtx_costs): Handle SET.
>
>> Patch was tested on x86_64-pc-linux-gnu {,-m32}.
>>
>> I have also #define LOG_COST 1 temporarily and looked at generated
>> cost calculations for various -msse* settings.
>>
>> I will wait for a day for possible comments on the implementation
>> before the patch will be committed to mainline SVN.

Committed to mainline SVN at r187289.

Uros.


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