This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: gcc 3.1 is still very slow, compared to 2.95.3


   From: Richard Henderson <rth@redhat.com>
   Date: Sun, 19 May 2002 15:18:55 -0700

   On Sun, May 19, 2002 at 04:59:11AM -0700, David S. Miller wrote:
   > I promise to look more deeply into this.  It may be a Sparc specific
   > problem because x86 outputs:
   > 
   > 	movl	$0, (%eax)
   > 	movw	code, (%eax)
   
   No, x86 does this because !STRICT_ALIGNMENT.  Somehow we've lost
   the known alignment of the type during the memset.

Could it be yet more fallout from that Kenner change that was
being discussed a few weeks ago?  That is where I was going to
start snooping around when I got back to this...


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]