James Greenhalgh writes:

> On Wed, May 20, 2015 at 01:35:41PM +0100, Jiong Wang wrote:
>> Current IRA still use both target macros in a few places.
>> 
>> Tell IRA to use the order we defined rather than with it's own cost
>> calculation. Allocate caller saved first, then callee saved.
>> 
>> This is especially useful for LR/x30, as it's free to allocate and is
>> pure caller saved when used in leaf function.
>> 
>> Haven't noticed significant impact on benchmarks, but by grepping some
>> keywords like "Spilling", "Push.*spill" etc in ira rtl dump, the number
>> is smaller.
>> 
>> OK for trunk?
>
> OK, sorry for the delay.
>
> It might be mail client mangling, but please check that the trailing slashes
> line up in the version that gets committed.
>
> Thanks,
> James
>
>> 2015-05-19  Jiong. Wang  <jiong.wang@arm.com>
>> 
>> gcc/
>>   PR 63521
>>   * config/aarch64/aarch64.h (REG_ALLOC_ORDER): Define.
>>   (HONOR_REG_ALLOC_ORDER): Define.

Patch reverted.