[Bug middle-end/41343] sysdeps/ieee754/dbl-64/dosincos.c from glibc causes excessive memory use

[ramana at gcc dot gnu dot org]

------- Comment #5 from ramana at gcc dot gnu dot org  2009-09-12 07:05 -------
(In reply to comment #2)
> Created an attachment (id=18572)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18572&action=view) [edit]
> patch that might help alleviate the problem
> 
> This patch helped me save a lot of memory on another PPC testcase that involved
> lots of expressions with equivalent values, which causes “interesting“ behavior
> in var-tracking/cselib, generating a lot of RTL junk.  From your description,
> it's not clear that it's the same problem, but I thought I'd post the
> (unpolished) patch anyway, because a proper algorithmic fix to var-tracking
> will take longer.  Even more so because I'm away for a week, starting today.  I
> hope this helps.  Please let me know.
> 

The patch didn't apply cleanly for me and didn't make any noticeable difference
on arm-*eabi configuratons for me.


-- 

ramana at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-09-12 07:05:26
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41343