From: Andreas Schwab <schwab@linux-m68k.org>
To: "Theodore Tso" <tytso@mit.edu>
Cc: David Laight <david.laight.linux@gmail.com>,
Guan-Chun Wu <409411716@gms.tku.edu.tw>,
Andreas Dilger <adilger.kernel@dilger.ca>,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
visitorckw@gmail.com
Subject: Re: [PATCH] ext4: improve str2hashbuf by processing 4-byte chunks
Date: Fri, 21 Nov 2025 11:55:26 +0100 [thread overview]
Message-ID: <87a50flko1.fsf@igel.home> (raw)
In-Reply-To: <20251120155816.GB13687@macsyma-3.local> (Theodore Tso's message of "Thu, 20 Nov 2025 10:58:16 -0500")
On Nov 20 2025, Theodore Tso wrote:
> Secondly, it's not that a promotion happens before "any" arithmetic.
> If we add two 8-bit values together, promotion doesn't happen.
That is not true. Integer promotion is applied individually to each
operand independent of context.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
next prev parent reply other threads:[~2025-11-21 11:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-16 13:01 [PATCH] ext4: improve str2hashbuf by processing 4-byte chunks Guan-Chun Wu
2025-11-16 19:35 ` David Laight
2025-11-17 14:20 ` Guan-Chun Wu
2025-11-20 15:58 ` Theodore Tso
2025-11-20 16:58 ` Kuan-Wei Chiu
2025-11-20 18:27 ` David Laight
2025-11-21 10:07 ` Geert Uytterhoeven
2025-11-21 10:55 ` Andreas Schwab [this message]
2025-11-21 11:59 ` David Laight
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