From: Jeff Law <jeffreyalaw@gmail.com>
To: Andrew Pinski <apinski@marvell.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 3/3] Add Plus to the op list of `(zero_one == 0) ? y : z <op> y` pattern
Date: Wed, 7 Jun 2023 17:15:12 -0600 [thread overview]
Message-ID: <84c69e78-9d50-be56-1247-b7e82ee97ecf@gmail.com> (raw)
In-Reply-To: <20230607213217.3052696-3-apinski@marvell.com>
On 6/7/23 15:32, Andrew Pinski via Gcc-patches wrote:
> This adds plus to the op list of `(zero_one == 0) ? y : z <op> y` patterns
> which currently has bit_ior and bit_xor.
> This shows up now in GCC after the boolization work that Uroš has been doing.
>
> OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.
>
> PR tree-optimization/97711
> PR tree-optimization/110155
>
> gcc/ChangeLog:
>
> * match.pd ((zero_one == 0) ? y : z <op> y): Add plus to the op.
> ((zero_one != 0) ? z <op> y : y): Likewise.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.dg/tree-ssa/branchless-cond-add-2.c: New test.
> * gcc.dg/tree-ssa/branchless-cond-add.c: New test.
OK
jeff
next prev parent reply other threads:[~2023-06-07 23:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 21:32 [PATCH 1/3] MATCH: Allow unsigned types for `X & -Y -> X * Y` pattern Andrew Pinski
2023-06-07 21:32 ` [PATCH 2/3] Change the `zero_one ==/!= 0) ? y : z <op> y` patterns to use multiply rather than `(-zero_one) & z` Andrew Pinski
2023-06-07 22:56 ` Jeff Law
2023-06-07 23:05 ` Andrew Pinski
2023-06-07 23:11 ` Jeff Law
2023-06-07 23:19 ` Andrew Pinski
2023-06-07 21:32 ` [PATCH 3/3] Add Plus to the op list of `(zero_one == 0) ? y : z <op> y` pattern Andrew Pinski
2023-06-07 23:15 ` Jeff Law [this message]
2023-06-07 22:45 ` [PATCH 1/3] MATCH: Allow unsigned types for `X & -Y -> X * Y` pattern Jeff Law
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