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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Mon, 17 Oct 2022 12:12:16 -0700
Message-ID: <CAMe9rOpTTi7JtS88x3eAkLCR=d_5QjoBoHsjqgWmUBH8jj44Xw@mail.gmail.com>
Subject: Re: [COMMITTED 4/4] PR tree-optimization/102540 - propagate partial
 equivs in the cache.
To: Andrew MacLeod <amacleod@redhat.com>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
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On Thu, Oct 13, 2022 at 8:32 AM Andrew MacLeod via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> Rangers on entry cache propagation already evaluates equivalences when
> calculating values. This patch also allows it to work with partial
> equivalences, and if the bit sizes are compatible, make use of those
> ranges as well.
>
> It attempts to be conservative, so should be safe.
>
> This resolves regressions in both PR 102540 and PR 102872.
>
> Bootstrapped on x86_64-pc-linux-gnu with no regressions.  Pushed
>
> Andrew

This caused:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107273

-- 
H.J.