procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

gcse.c (compute_pre_data): Compute ae_kill using other local properties instead of calling compute_ae_kill.

Browse source 
* gcse.c (compute_pre_data): Compute ae_kill using other local
        properties instead of calling compute_ae_kill.

From-SVN: r34839
This commit is contained in:
Jeffrey A Law 2000-07-03 06:49:31 +00:00 • committed by Jeff Law
parent 657959caa1
commit c66e8ae9da
2 changed files with 18 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
gcc/ChangeLog
View file

@ -1,5 +1,8 @@
Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
* gcse.c (compute_pre_data): Compute ae_kill using other local
properties instead of calling compute_ae_kill.
* alias.c (init_alias_analysis): Do not call
prologue_epilogue_contains until after reload has completed.

16
gcc/gcse.c
View file

@ -4118,10 +4118,24 @@ free_pre_mem ()
static void
compute_pre_data ()
{
int i;
compute_local_properties (transp, comp, antloc, 0);
compute_transpout ();
sbitmap_vector_zero (ae_kill, n_basic_blocks);
compute_ae_kill (comp, ae_kill);
/* Compute ae_kill for each basic block using:
~(TRANSP | COMP)
This is significantly after than compute_ae_kill. */
for (i = 0; i < n_basic_blocks; i++)
{
sbitmap_a_or_b (ae_kill[i], transp[i], comp[i]);
sbitmap_not (ae_kill[i], ae_kill[i]);
}
edge_list = pre_edge_lcm (gcse_file, n_exprs, transp, comp, antloc,
ae_kill, &pre_insert_map, &pre_delete_map);
}