This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/29749] [4.0/4.1/4.2/4.3 regression] Missing byte swap optimizations
- From: "schwab at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Nov 2006 11:47:36 -0000
- Subject: [Bug middle-end/29749] [4.0/4.1/4.2/4.3 regression] Missing byte swap optimizations
- References: <bug-29749-1649@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from schwab at suse dot de 2006-11-07 11:47 -------
That appears to be broken as far back as gcc 3.0: all 3.x versions do not
recognize either of the two forms, since 4.0 only the second form is
recognized. Both 2.95 and 2.7 can optimize both forms (tested on m68k).
--
schwab at suse dot de changed:
What |Removed |Added
----------------------------------------------------------------------------
GCC host triplet|i686-pc-linux-gnu |
Summary|Missing byte swap |[4.0/4.1/4.2/4.3 regression]
|optimizations |Missing byte swap
| |optimizations
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29749