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Re: [PATCH][aarch64] Fix pr81356 - copy empty string with wrz, not a ldrb/strb
- From: Steve Ellcey <sellcey at cavium dot com>
- To: Christophe Lyon <christophe dot lyon at linaro dot org>, James Greenhalgh <james dot greenhalgh at arm dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, nd <nd at arm dot com>
- Date: Mon, 20 Nov 2017 15:50:06 -0800
- Subject: Re: [PATCH][aarch64] Fix pr81356 - copy empty string with wrz, not a ldrb/strb
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On Mon, 2017-11-20 at 15:24 +0100, Christophe Lyon wrote:
>
> As a result of this patch, we now have:
> XPASS: gfortran.dg/pr45636.f90 -O scan-tree-dump-times forwprop2
> "memset" 0
> instead of:
> XFAIL: gfortran.dg/pr45636.f90 -O scan-tree-dump-times forwprop2
> "memset" 0 (found 2 times)
>
> Is it expected?
>
> Christophe
I think it is. I hadn't seen this failure before but I may not have
tested my change with Fortran. I am going to consider fixing this an
obvious change and will check in the fix (removing aarch64 from the
list of xfails) today.
Steve Ellcey
sellcey@cavium.com