lkml.org 
[lkml]   [2004]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Patch to 2.6.8.1-mm2 to allow multiple NMI handlers to be registered
From
Date
Mikael Pettersson <mikpe@csd.uu.se> writes:

> Which is the same as saying it occurs on the negative-to-non-negative
> transition. The "if ((int)low >= 0)" test is just a test and branch
> on sign, while your original requires either a (microcoded?) bit op,
> or constructing a large-magnitude mask, followed by some tests.

gcc should be able to convert one into the other depending on which one is
faster.

Andreas.

--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:05    [W:0.049 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site