This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] simplify-rtx: simplify_logical_relational_operation


On 11/6/19 8:00 AM, Segher Boessenkool wrote:
> This introduces simplify_logical_relational_operation.  Currently the
> only thing implemented it can simplify is the IOR of two CONDs of the
> same arguments.
> 
> Tested on powerpc64-linux {-m32,-m64}.
> 
> Is this okay for trunk?
> 
> 
> Segher
> 
> 
> 2018-11-06  Segher Boessenkool  <segher@kernel.crashing.org>
> 
> 	* simplify-rtx.c (comparison_to_mask): New function.
> 	(mask_to_comparison): New function.
> 	(simplify_logical_relational_operation): New function.
> 	(simplify_binary_operation_1): Call
> 	simplify_logical_relational_operation.
OK.

BTW, I think there's enough overlap between simplify-rtx and combine
that if you wanted to maintain simplify-rtx as well that I'd fully
support it.  Thoughts?

jeff


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]