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| author | Andrew Pinski <pinskia@gcc.gnu.org> | 2006-09-06 21:24:24 -0700 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2006-09-06 21:24:24 -0700 |
| commit | b5b84a7f46e8baead0f3d7b62d59659d83d67271 (patch) | |
| tree | dabac1e6add1ad67f425c5273286eec14a5b9a35 /gcc/flow.c | |
| parent | aa4f41c1d57b1d533650672d5bcf2e40fffbf0f1 (diff) | |
| download | gcc-b5b84a7f46e8baead0f3d7b62d59659d83d67271.zip gcc-b5b84a7f46e8baead0f3d7b62d59659d83d67271.tar.gz gcc-b5b84a7f46e8baead0f3d7b62d59659d83d67271.tar.bz2 | |
[multiple changes]
2006-09-06 James E Wilson <wilson@specifix.com>
PR rtl-opt/27883
* flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
then call count_or_remove_death_notes.
2006-09-06 Andrew Pinski <pinskia@physics.uc.edu>
PR rtl-opt/27883
* g++.dg/opt/copysign-1.C: New test.
From-SVN: r116739
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -647,6 +647,17 @@ update_life_info (sbitmap blocks, enum update_life_extent extent, count_or_remove_death_notes (blocks, prop_flags & PROP_POST_REGSTACK ? -1 : 1); } + else + { + /* FIXME: This can go when the dataflow branch has been merged in. */ + /* For a local update, if we are creating new REG_DEAD notes, then we + must delete the old ones first to avoid conflicts if they are + different. */ + if (prop_flags & PROP_DEATH_NOTES) + count_or_remove_death_notes (blocks, + prop_flags & PROP_POST_REGSTACK ? -1 : 1); + } + /* Clear log links in case we are asked to (re)compute them. */ if (prop_flags & PROP_LOG_LINKS) |