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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmci: calculate remaining bytes at error correctly
Date: Tue, 1 Feb 2011 23:40:11 +0000	[thread overview]
Message-ID: <20110201234011.GA14889@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <4D46ABA0.9010809@ru.mvista.com>

On Mon, Jan 31, 2011 at 03:31:28PM +0300, Sergei Shtylyov wrote:
> Hello.
>
> On 31-01-2011 15:25, Russell King - ARM Linux wrote:
>> If you insist on putting parens around a&  b there, then for the sake of
>> consistency, you should be putting parens around every sub-expression
>> involving || and &&  - as if you think that a & b || c could be incorrectly
>> evaluated, a < b || c falls into exactly the same category, as does
>> a < b || c < d.
>
>    I mainly noted about those parens because gcc tends to give warnings 
> in such cases, if I remember right.

Not quite.  GCC warns for these:

	a || b && c
	a | b & c

as it seems much harder to remember the relative precedence of the OR
operators vs the AND operators in each class of logical vs bitwise
operators.

  reply	other threads:[~2011-02-01 23:40 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-27 14:14 [PATCH] mmci: calculate remaining bytes at error correctly Linus Walleij
2011-01-27 16:36 ` Russell King - ARM Linux
2011-01-27 16:43   ` Linus Walleij
2011-01-27 16:47     ` Russell King - ARM Linux
2011-01-30 21:28 ` Russell King - ARM Linux
2011-01-30 21:29   ` Russell King - ARM Linux
2011-01-31 10:24     ` Linus Walleij
2011-02-03  0:30       ` Russell King - ARM Linux
2011-02-03 14:00         ` Russell King - ARM Linux
2011-02-04 13:24           ` Linus Walleij
2011-01-31 10:17   ` Linus Walleij
2011-01-31 10:27     ` Russell King - ARM Linux
2011-01-31 10:31       ` Linus Walleij
2011-01-31 10:40         ` Russell King - ARM Linux
2011-01-31 13:53           ` Linus Walleij
2011-01-31 14:00             ` Russell King - ARM Linux
2011-01-31 12:00   ` Sergei Shtylyov
2011-01-31 12:25     ` Russell King - ARM Linux
2011-01-31 12:31       ` Sergei Shtylyov
2011-02-01 23:40         ` Russell King - ARM Linux [this message]
  -- strict thread matches above, loose matches on Subject: below --
2011-01-27 14:02 Linus Walleij

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