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From: "bergner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96017] Powerpc suboptimal register spill in likely path
Date: Thu, 02 Jul 2020 01:24:37 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96017

--- Comment #7 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Peter Bergner from comment #6)
> There is ira.c:split_live_ranges_for_shrink_wrap().  I'll have a look to =
see
> why it's not catching this test case.=20

So it looks like it only splits pseudos that are set from a hard register (=
eg,
incoming param reg) and are live at a call.  I think we should be able to
expand on what we'll split.  I'll take a look at allowing other pseudos to =
be
split.=