[Patch] [Aarch64] PR rtl-optimization/87763 - this patch fixes gcc.target/aarch64/lsl_asr_sbfiz.c

[Steve Ellcey]

On Wed, 2019-04-10 at 15:03 -0700, Steve Ellcey wrote:
> Here is another patch to fix one of the failures
> listed in PR rtl-optimization/87763. This change
> fixes gcc.target/aarch64/lsl_asr_sbfiz.c by adding
> an alternative version of *ashiftsi_extv_bfiz that
> has a subreg in it.
> 
> Tested with bootstrap and regression test run.
> 
> OK for checkin?
> 
> Steve Ellcey
> 
> 
> 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
> 
> 	PR rtl-optimization/87763
> 	* config/aarch64/aarch64.md (*ashiftsi_extv_bfiz_alt):
> 	New Instruction.

I forgot I sent this out before (in January).  It generated some
discussion then but no action.  So I guess this is a ping.

https://gcc.gnu.org/ml/gcc-patches/2019-01/msg01694.html

Steve Ellcey
sellcey@marvell.com