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From: "michael.meier at hexagon dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107415] RISCV-gcc: Leaf function compiles as
 recursive with -O3
Date: Wed, 26 Oct 2022 12:13:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107415

--- Comment #2 from Michael Meier <michael.meier at hexagon dot com> ---
(In reply to Andrew Pinski from comment #1)
> Gcc can detect memset and optimize it to memset. And this is what is
> happening.=20
> This is documented too.

Thanks for your quick reply. I understand what is happening now.

Now that you pointed me in this direction, I found many references to this
behavior only, including that I can use -fno-tree-loop-distribute-patterns =
to
disable the optimization. However I didn't find mention of the feature in t=
he
official documentation. Can you provide me with a reference, please?=