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

Kewen.Lin linkw@linux.ibm.com
Mon Aug 31 05:49:32 GMT 2020


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.
> 





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