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From: "linkw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112980] 64-bit powerpc ELFv2 does not allow nops to be
 generated before function global entry point
Date: Fri, 19 Jan 2024 02:06:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112980

--- Comment #4 from Kewen Lin <linkw at gcc dot gnu.org> ---
(In reply to Naveen N Rao from comment #2)
> I don't really have a preference, though I tend to agree that nops before
> the local entry point aren't that useful. Even with the current approach,
> not all functions have instructions at the GEP and for those, the nops are
> being generated outside the function. We also won't have a separate GEP/L=
EP
> with pcrel, so we won't need a separate option eventually.

Thanks for the input! Looking forward to the comments from the others,
especially Segher, David and Peter.

(In reply to Michael Matz from comment #3)
> (In reply to Kewen Lin from comment #1)
> >=20
> > As Segher's review comments in [2], to support "before NOPs" before glo=
bal
> > entry and "after NOPs" after global entry,
>=20
> Just to be perfectly clear here: the "after NOPs" need to come after local
> entry
> (which strictly speaking is of course after the global one as well, but I=
'm
> being anal :) ).

Oops, good catch, I meant to type "after local entry", thanks for the
correction making it perfectly clear. :)=