git
/
gcc
mirror of git://gcc.gnu.org/git/gcc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

loop-iv.c (iv_analysis_loop_init): Use df in more conservative way. 

* loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.

From-SVN: r110030
This commit is contained in:
Zdenek Dvorak 2006-01-20 18:06:34 +01:00 committed by Zdenek Dvorak
parent 4bf2d47369
commit 33cb1cf6c5
2 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/ChangeLog
View File

@ -1,3 +1,7 @@
2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
* loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2006-01-20 Richard Sandiford <richard@codesourcery.com> 2006-01-20 Richard Sandiford <richard@codesourcery.com>
* stmt.c (case_bit_test_cmp): Stabilize the sort using code * stmt.c (case_bit_test_cmp): Stabilize the sort using code

13
gcc/loop-iv.c
View File

@ -250,14 +250,11 @@ iv_analysis_loop_init (struct loop *loop)
current_loop = loop; current_loop = loop;
/* Clear the information from the analysis of the previous loop. */ /* Clear the information from the analysis of the previous loop. */
if (first_time) if (!first_time)
{ iv_analysis_done ();
df = df_init (DF_HARD_REGS | DF_EQUIV_NOTES); df = df_init (DF_HARD_REGS | DF_EQUIV_NOTES);
df_chain_add_problem (df, DF_UD_CHAIN); df_chain_add_problem (df, DF_UD_CHAIN);
bivs = htab_create (10, biv_hash, biv_eq, free); bivs = htab_create (10, biv_hash, biv_eq, free);
}
else
clear_iv_info ();
for (i = 0; i < loop->num_nodes; i++) for (i = 0; i < loop->num_nodes; i++)
{ {