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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/106164] (a > b) & (a >= b) does not get
 optimized until reassoc1
Date: Mon, 31 Jul 2023 07:08:47 +0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106164

--- Comment #11 from rguenther at suse dot de <rguenther at suse dot de> ---
On Sat, 29 Jul 2023, pinskia at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106164
>=20
> --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> I think I have a better patch.
>=20
> There are patterns for:
> Convert (X OP1 CST1) || (X OP2 CST2).
>=20
> externding them easily to support:
> Convert (X OP1 Y) || (X OP2 Y).
> is a few lines.
> Don't even need to call combine_comparisons either.
>=20
> Once I test it I will submit the patch.

Note moving the non-BIT_FIELD_REF parts of fold_truth_andor_1 to
match.pd was still on the list of things to do.=