lkml.org 
[lkml]   [2007]   [Dec]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFT] Port 0x80 I/O speed
> "=A" works on 32-bit systems (only), obviously, and gcc will generally 
> produce slightly better code as a result (gcc could really use a
> register renaming/copy propagation step *after* multi-register entities

I believe gcc 4.3 (or maybe 4.2) does that already -- it splits them much
earlier.

-Andi


\
 
 \ /
  Last update: 2007-12-12 20:35    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site