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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-14 08:05:46 +0000 |
|---|---|---|
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-14 08:05:46 +0000 |
| commit | a9989fb48c250b3542df12069abdf69eec75fe6a (patch) | |
| tree | 5c0e5b9524b1674de9c53a236c486fe4455d642b /gcc/cfgloopmanip.c | |
| parent | d88d86a8b368b0acee6ce5ad940c751d2bc5de2b (diff) | |
| download | gcc-a9989fb48c250b3542df12069abdf69eec75fe6a.tar.gz | |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87487 138bc75d-0d04-0410-961f-82ee72b054a4
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 62fb9d24e94..e20433bcb4b 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++) { |