[Bug target/31420] CONSTRAINT_LEN is slow on i?86, x86_64

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2007-04-01 18:40 -------
With the second patch applied the profile for -O0 changes to

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total
 time   seconds   seconds    calls   s/call   s/call  name
  3.38      1.15     1.15   265736     0.00     0.00  record_reg_classes
  3.17      2.23     1.08 16251625     0.00     0.00  ggc_set_mark
  3.08      3.28     1.05  1141302     0.00     0.00  gt_ggc_mx_lang_tree_node
  2.99      4.30     1.02 10110867     0.00     0.00 
expand_template_argument_pack
  2.64      5.20     0.90   323989     0.00     0.00  find_reloads
  2.61      6.09     0.89 10099284     0.00     0.00  ggc_alloc_stat
  2.23      6.85     0.76  2370417     0.00     0.00  walk_tree
  1.82      7.47     0.62  6302869     0.00     0.00  mark_set_1
  1.41      7.95     0.48   526692     0.00     0.00  retrieve_specialization

so reload is still slow ;)  Sill, mine.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
                   |dot org                     |org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-04-01 18:40:32
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31420