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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug rtl-optimization/22568] Should use cmov in some stituations
Date: Mon, 24 May 2021 06:13:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D22568

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #15)
> The expr.c patch yes.  The tree-ssa-phiopt.c patch, no.  Tree-ssa-phiopt.c
> needs more code rework because of the new infrastructures so I have not
> gotten around to improving the patch yet; been busy with other stuff.

The patch for PR 25290 includes the most of the infrastructure to implement
cmov at the gimple level (See match_simplify_replacement and late_p argumen=
t)
but is not enabled because I think it might require a cost model.=