This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
RE: Redundant logical operations left after early splitting
- From: "Dave Korn" <dave dot korn at artimi dot com>
- To: <hutchinsonandy at aim dot com>, <law at redhat dot com>, <bonzini at gnu dot org>
- Cc: <gcc at gcc dot gnu dot org>
- Date: Wed, 20 Feb 2008 19:15:33 -0000
- Subject: RE: Redundant logical operations left after early splitting
- References: <8CA4202370BC06F-B38-3DB0@WEBMAIL-MB10.sysops.aol.com>
On 20 February 2008 18:05, hutchinsonandy@aim.com wrote:
> But it does seem that the missing piece is effective constant
> propagation + simplification after splits and subregs - which is
> currently ineffective in local-alloc (or any later pass)
Hmm, more questions: do you use splitters or insns for your movMM patterns?
Do you implement all the movMM patterns? Just checking if we've covered every
angle ...
cheers,
DaveK
--
Can't think of a witty .sigline today....