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From: "jamborm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug rtl-optimization/98782] [11/12 Regression] Bad interaction
 between IPA frequences and IRA resulting in spills due to changes in BB
 frequencies
Date: Tue, 14 Dec 2021 18:16:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98782

--- Comment #29 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to Tamar Christina from comment #23)
> I wonder if we can get rid of the final magic parameter too, we run with
> --param ipa-cp-unit-growth=3D80 too which seems to have no more effect on
> exchange, though still a slight effect on leela but a 12% gain in imagick.
>=20
> This looks like without the parameter we lose constprop on MorphologyApply
> resulting in a much bigger function.  Do you want me to make a new ticket
> for this?

Indeed I did not know about this.  I think tracking it in a (separate) PR w=
ould
make sense.  Thanks a lot for the pointer!=