Re: Possible bug in GCC 5, need help
On Mon, 31 Aug 2015 07:12:10 -0400 (EDT), Andreas Krebbel wrote:
>
> I've bisected the problem. It occurred first with:
>
> commit 90f3e775d6b7bec70e883579beb49b456c135a09
> Author: wmi <wmi@138bc75d-0d04-0410-961f-82ee72b054a4>
> Date: Thu Jan 22 17:59:23 2015 +0000
>
> 2015-01-22 Wei Mi <wmi@google.com>
>
> PR rtl-optimization/64557
> * dse.c (record_store): Call get_addr for mem_addr.
> (check_mem_read_rtx): Likewise.
>
> With this patch an stc (store character) is dropped by the DSE pass
> (dead store elimination). I'm currently auto-reducing the testcase
> to start debugging. I'll open a GCC BZ with the reduced testcase.
You beat me to it. Thanks, Andreas
--
.''`. Stephen Powell <zlinuxman@wowway.com>
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