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| author | Roger Sayle <roger@eyesopen.com> | 2005-01-05 21:13:08 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2005-01-05 21:13:08 +0000 |
| commit | 65a878f5db97c74ee215011e1e2411fdc506be8c (patch) | |
| tree | 368573f529c038d789626dc4549e9a6e4d8054ec | |
| parent | ea97f102ef78054ce0b11ee31fddc628b01b4d4a (diff) | |
| download | gcc-65a878f5db97c74ee215011e1e2411fdc506be8c.zip gcc-65a878f5db97c74ee215011e1e2411fdc506be8c.tar.gz gcc-65a878f5db97c74ee215011e1e2411fdc506be8c.tar.bz2 | |
* ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
From-SVN: r92970
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 16 |
2 files changed, 5 insertions, 15 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7797ffc..d7ec1d3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-01-05 Roger Sayle <roger@eyesopen.com> + + * ifcvt.c (find_if_case_1): Revert 2005-01-04 change. + 2005-01-05 Jan Hubicka <jh@suse.cz> Richard Henderson <rth@redhat.com> diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 75932b3..98fbd66 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -2927,21 +2927,7 @@ find_if_case_1 (basic_block test_bb, edge then_edge, edge else_edge) else_bb->global_live_at_start, then_bb->global_live_at_end); - - /* We can avoid creating a new basic block if then_bb is immediately - followed by else_bb, i.e. deleting then_bb allows test_bb to fall - thru to else_bb. */ - - if (then_bb->next_bb == else_bb - && then_bb->prev_bb == test_bb) - { - redirect_edge_succ (FALLTHRU_EDGE (test_bb), else_bb); - new_bb = 0; - } - else - new_bb = redirect_edge_and_branch_force (FALLTHRU_EDGE (test_bb), - else_bb); - + new_bb = redirect_edge_and_branch_force (FALLTHRU_EDGE (test_bb), else_bb); then_bb_index = then_bb->index; delete_basic_block (then_bb); |