to check this in to trunk?
From: Jonathan Wakely jwakely@gmail.com
To: Segher Boessenkool seg...@kernel.crashing.org
Cc: james_av...@yahoo.com; gcc@gcc.gnu.org
Sent: Tuesday, December 20, 2011 5:22 AM
Subject: Re: Possible wrong-way example in gcc4-4-2
...@kernel.crashing.org
Cc: james_av...@yahoo.com; gcc@gcc.gnu.org
Sent: Tuesday, December 20, 2011 5:22 AM
Subject: Re: Possible wrong-way example in gcc4-4-2 documentation of
__builtin_expect
On 20 December 2011 12:49, Segher Boessenkool wrote:
The point of the example is that you cannot write
Jonathan Wakely jwakely@gmail.com writes:
In order to follow the GCC coding style (a space between the function
name and opening parenthesis) and to match the first example for
__builtin_expect, I propose this patch instead:
Index: extend.texi
to check this in to trunk?
From: Jonathan Wakely jwakely@gmail.com
To: Segher Boessenkool seg...@kernel.crashing.org
Cc: james_av...@yahoo.com; g...@gcc.gnu.org
Sent: Tuesday, December 20, 2011 5:22 AM
Subject: Re: Possible wrong-way example in gcc4-4-2
...@kernel.crashing.org
Cc: james_av...@yahoo.com; g...@gcc.gnu.org
Sent: Tuesday, December 20, 2011 5:22 AM
Subject: Re: Possible wrong-way example in gcc4-4-2 documentation of
__builtin_expect
On 20 December 2011 12:49, Segher Boessenkool wrote:
The point of the example is that you cannot write
Jonathan Wakely jwakely@gmail.com writes:
In order to follow the GCC coding style (a space between the function
name and opening parenthesis) and to match the first example for
__builtin_expect, I propose this patch instead:
Index: extend.texi
The online docs at
http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Other-Builtins.html
has a confusing (to me) example of __builtin_expect. Could someone
take a look at this?
start quote from above-referenced page
Since you are limited to integral expressions for exp, you should
use
On 20 December 2011 12:49, Segher Boessenkool wrote:
The point of the example is that you cannot write
if (__builtin_expect (ptr, 1))
error ();
so the != NULL is important here. But you are right that
error () is a bit unexpected; care to send a patch that changes
it
();
@end smallexample
@noindent
From: Jonathan Wakely jwakely@gmail.com
To: Segher Boessenkool seg...@kernel.crashing.org
Cc: james_av...@yahoo.com; gcc@gcc.gnu.org
Sent: Tuesday, December 20, 2011 5:22 AM
Subject: Re: Possible wrong-way example in gcc4-4-2
Hello,
The online docs at
http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Other-Builtins.html
has a confusing (to me) example of __builtin_expect. Could someone take
a look at this?
start quote from above-referenced page
Since you are limited to integral expressions for exp, you should
use
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