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| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2003-07-04 01:50:05 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2003-07-03 23:50:05 +0000 |
| commit | 8d28e87da7134b1ba6de7add4457a8b20687edd3 (patch) | |
| tree | f71a6c934abe134dd6b13c539736910da43d4680 /gcc/cfgloop.c | |
| parent | 694abeb6a7e64ba5aa18d9ae579585cb41dd53ee (diff) | |
| download | gcc-8d28e87da7134b1ba6de7add4457a8b20687edd3.zip gcc-8d28e87da7134b1ba6de7add4457a8b20687edd3.tar.gz gcc-8d28e87da7134b1ba6de7add4457a8b20687edd3.tar.bz2 | |
cfglayout.c (cfg_layout_duplicate_bb): Do not update frequencies at all if edge is not specified.
* cfglayout.c (cfg_layout_duplicate_bb): Do not update frequencies
at all if edge is not specified.
(can_copy_bbs_p, copy_bbs): New.
* cfglayout.h (can_copy_bbs_p, copy_bbs): Declare.
* cfgloop.c (get_loop_body): Comment more precisely.
* cfgloopmanip.c (copy_bbs, record_exit_edges): Removed.
(scale_bbs_frequencies): Fix comment typo.
(can_duplicate_loop_p): Use can_copy_bbs_p.
(duplicate_loop_to_header_edge): Simplify by using copy_bbs.
From-SVN: r68906
Diffstat (limited to 'gcc/cfgloop.c')
| -rw-r--r-- | gcc/cfgloop.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/cfgloop.c b/gcc/cfgloop.c index 8b439b9..fac614f 100644 --- a/gcc/cfgloop.c +++ b/gcc/cfgloop.c @@ -960,7 +960,9 @@ glb_enum_p (basic_block bb, void *glb_header) return bb != (basic_block) glb_header; } -/* Gets basic blocks of a loop. */ +/* Gets basic blocks of a LOOP. Header is the 0-th block, rest is in dfs + order against direction of edges from latch. Specially, if + header != latch, latch is the 1-st block. */ basic_block * get_loop_body (const struct loop *loop) { |