From: pullip.cho@samsung.com (KyongHo Cho)
To: kernelnewbies@lists.kernelnewbies.org
Subject: if stmt in kernel source
Date: Tue, 14 Jun 2011 14:34:29 +0900 [thread overview]
Message-ID: <BANLkTimuB94mqA63YcOs=zZ8gWh-EE9vXA@mail.gmail.com> (raw)
In-Reply-To: <BANLkTik6zBHLTuXB7oGibhN6_gZF6OJEKA@mail.gmail.com>
On Tue, Jun 14, 2011 at 2:27 PM, Venkateswarlu P
<p.venkatesh551@gmail.com> wrote:
> explain about? likely??? and? unlikely??????? constructs??????? used in if
> stmt
AFAIK, it is a hint to the compiler if the condition of conditional
statement is likely to be true or not
for code optimization with branch predictor.
prev parent reply other threads:[~2011-06-14 5:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-14 5:27 if stmt in kernel source Venkateswarlu P
2011-06-14 5:34 ` KyongHo Cho [this message]
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