diff options
| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2004-09-14 10:05:46 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2004-09-14 08:05:46 +0000 |
| commit | 113d659afd84f30c2baff7da16adc4d56602f895 (patch) | |
| tree | 5c0e5b9524b1674de9c53a236c486fe4455d642b /gcc/cfgloopmanip.c | |
| parent | d840495b15862ef5d62af317e76be37d71948540 (diff) | |
| download | gcc-113d659afd84f30c2baff7da16adc4d56602f895.zip gcc-113d659afd84f30c2baff7da16adc4d56602f895.tar.gz gcc-113d659afd84f30c2baff7da16adc4d56602f895.tar.bz2 | |
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
Diffstat (limited to 'gcc/cfgloopmanip.c')
| -rw-r--r-- | gcc/cfgloopmanip.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c index 62fb9d2..e20433b 100644 --- a/gcc/cfgloopmanip.c +++ b/gcc/cfgloopmanip.c @@ -991,6 +991,9 @@ duplicate_loop_to_header_edge (struct loop *loop, edge e, struct loops *loops, /* Copy bbs. */ copy_bbs (bbs, n, new_bbs, spec_edges, 2, new_spec_edges, loop); + for (i = 0; i < n; i++) + new_bbs[i]->rbi->copy_number = j + 1; + /* Note whether the blocks and edges belong to an irreducible loop. */ if (add_irreducible_flag) { @@ -1069,6 +1072,8 @@ duplicate_loop_to_header_edge (struct loop *loop, edge e, struct loops *loops, int n_dom_bbs,j; bb = bbs[i]; + bb->rbi->copy_number = 0; + n_dom_bbs = get_dominated_by (CDI_DOMINATORS, bb, &dom_bbs); for (j = 0; j < n_dom_bbs; j++) { |