From: Jeff Law <jeffreyalaw@gmail.com>
To: apinski@marvell.com, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 1/2] Add gimple_truth_valued_p to match.pd and use it
Date: Sat, 18 Sep 2021 23:55:06 -0600 [thread overview]
Message-ID: <53c80a07-3074-d249-634d-d1d6196c70e9@gmail.com> (raw)
In-Reply-To: <1628900361-27676-1-git-send-email-apinski@marvell.com>
On 8/13/2021 6:19 PM, apinski--- via Gcc-patches wrote:
> From: Andrew Pinski <apinski@marvell.com>
>
> While working on some more boolean optimizations, I noticed
> that there are places which does SSA_NAME@0 and then look
> at then either use get_nonzero_bits or ssa_name_has_boolean_range
> to see if the ssa name had a boolean range. This cleans this
> up slightly by have a simple match pattern call gimple_truth_valued_p
> which matches on SSA_NAME and checks ssa_name_has_boolean_range.
> This is the first of the few cleanups I am going to do for
> match and simplify and boolean related changes.
>
> gcc/ChangeLog:
>
> * match.pd: New match, gimple_truth_valued_p.
> Use it for "{ 0 or 1 } * { 0 or 1 }",
> "X / bool_range_Y", and "-(type)!A" simplifcations.
OK
jeff
prev parent reply other threads:[~2021-09-19 5:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-14 0:19 apinski
2021-08-14 0:19 ` [PATCH 2/2] Fix 101805: Simplify min/max of boolean arguments apinski
2021-08-16 6:29 ` Richard Biener
2021-09-19 5:56 ` Jeff Law
2021-08-16 6:22 ` [PATCH 1/2] Add gimple_truth_valued_p to match.pd and use it Richard Biener
2021-09-19 5:55 ` Jeff Law [this message]
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