PING^2 [PATCH 1/4] unroll: Add middle-end unroll factor estimation

[Kewen.Lin]

Hi,

Gentle ping this:

https://gcc.gnu.org/pipermail/gcc-patches/2020-May/546698.html

BR,
Kewen

on 2020/8/31 下午1:49, Kewen.Lin via Gcc-patches wrote:
> Hi,
> 
> I'd like to gentle ping this since IVOPTs part is already to land.
> 
> https://gcc.gnu.org/pipermail/gcc-patches/2020-May/546698.html
> 
> BR,
> Kewen
> 
> on 2020/5/28 下午8:19, Kewen.Lin via Gcc-patches wrote:
>>
>> gcc/ChangeLog
>>
>> 2020-MM-DD  Kewen Lin  <linkw@gcc.gnu.org>
>>
>> 	* cfgloop.h (struct loop): New field estimated_unroll.
>> 	* tree-ssa-loop-manip.c (decide_unroll_const_iter): New function.
>> 	(decide_unroll_runtime_iter): Likewise.
>> 	(decide_unroll_stupid): Likewise.
>> 	(estimate_unroll_factor): Likewise.
>> 	* tree-ssa-loop-manip.h (estimate_unroll_factor): New declaration.
>> 	* tree-ssa-loop.c (tree_average_num_loop_insns): New function.
>> 	* tree-ssa-loop.h (tree_average_num_loop_insns): New declaration.
>>