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Re: [PATCH][Aarch64] v2: Arithmetic overflow subv patterns [Patch 3/4]


On Wed, Jun 13, 2018 at 03:06:05AM -0500, Michael Collison wrote:
> Updated previous patch:
> 
> https://gcc.gnu.org/ml/gcc-patches/2018-06/msg00508.html
> 
> With coding style feedback from Richard Sandiford: (that also apply to this patch)
> 
>  https://gcc.gnu.org/ml/gcc-patches/2018-06/msg00508.html
> 
> Bootstrapped and tested on aarch64-linux-gnu. Okay for trunk?

OK.

Thanks,
James

> 
> 2018-05-31  Michael Collison  <michael.collison@arm.com>
> 	    Richard Henderson <rth@redhat.com>
> 
> 	* config/aarch64/aarch64.md (subv<GPI>4, usubv<GPI>4): New patterns.
> 	(subti): Handle op1 zero.
> 	(subvti4, usub4ti4): New.
> 	(*sub<GPI>3_compare1_imm): New.
> 	(sub<GPI>3_carryinCV): New.
> 	(*sub<GPI>3_carryinCV_z1_z2, *sub<GPI>3_carryinCV_z1): New.
> 	(*sub<GPI>3_carryinCV_z2, *sub<GPI>3_carryinCV): New.


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