This is mostly because of extra register moves that IRA some times
introduces. There is another bug about Inline-asm and the return
register.
Sent from my iPhone
On Sep 1, 2008, at 7:36, "rguenth at gcc dot gnu dot org" <[EMAIL PROTECTED]
> wrote:
------- Comment #4 from rguenth at gcc dot gnu dot org 2008-09-01
14:36 -------
Well, now -Os -funroll-all-loops doesn't do any unrolling anymore
while it did
before. With -O2 you get what you ask for - unrolled loops.
-funroll-all-loops isn't really a flag to be used in general.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37312
