diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-03-18 14:39:16 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-03-18 14:39:16 +0000 |
| commit | 53b880f3cf8c53c3748c8c775bb035d4c6705ebb (patch) | |
| tree | 30ae31d241290eb7757ed63af732c2bba831fb5a /gcc/df-problems.c | |
| parent | d3432056eaf613a542ba7d916c4cccbd4c048eff (diff) | |
| download | gcc-53b880f3cf8c53c3748c8c775bb035d4c6705ebb.tar.gz | |
2014-03-18 Richard Biener <rguenther@suse.de>
* df-problems.c (df_rd_confluence_n): Avoid bitmap_copy
by using bitmap_and_compl instead of bitmap_and_compl_into.
(df_rd_transfer_function): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208650 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/df-problems.c')
| -rw-r--r-- | gcc/df-problems.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/gcc/df-problems.c b/gcc/df-problems.c index 1c06d61360a..77f8c9922b4 100644 --- a/gcc/df-problems.c +++ b/gcc/df-problems.c @@ -479,8 +479,7 @@ df_rd_confluence_n (edge e) bitmap_head tmp; bitmap_initialize (&tmp, &df_bitmap_obstack); - bitmap_copy (&tmp, op2); - bitmap_and_compl_into (&tmp, dense_invalidated); + bitmap_and_compl (&tmp, op2, dense_invalidated); EXECUTE_IF_SET_IN_BITMAP (sparse_invalidated, 0, regno, bi) { @@ -524,14 +523,13 @@ df_rd_transfer_function (int bb_index) problem_data = (struct df_rd_problem_data *) df_rd->problem_data; bitmap_initialize (&tmp, &problem_data->rd_bitmaps); - bitmap_copy (&tmp, in); + bitmap_and_compl (&tmp, in, kill); EXECUTE_IF_SET_IN_BITMAP (sparse_kill, 0, regno, bi) { bitmap_clear_range (&tmp, DF_DEFS_BEGIN (regno), DF_DEFS_COUNT (regno)); } - bitmap_and_compl_into (&tmp, kill); bitmap_ior_into (&tmp, gen); changed = !bitmap_equal_p (&tmp, out); if (changed) |