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From: "dave.anglin at bell dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/102162] Byte-wise access optimized away at -O1 and
 above
Date: Thu, 02 Sep 2021 00:02:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102162

--- Comment #21 from dave.anglin at bell dot net ---
On 2021-09-01 7:21 p.m., pinskia at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102162
>
> --- Comment #17 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> (In reply to dave.anglin from comment #14)
>> On 2021-09-01 6:35 p.m., dave.anglin at bell dot net wrote:
>>> We only get correct code at -O0.
>> Maybe cpymemsi expander is problem.
> It can't be as that is only used for !TARGET_64BIT and this is a TARGET_6=
4BIT
> as obvious by "LEVEL 2.0w".
I changed expanders for both !TARGET_64BIT and TARGET_64BIT.=C2=A0 Didn't h=
elp.=C2=A0
Same error with trunk.

Dave=