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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2006-01-20 01:46:37 +0100 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2006-01-20 00:46:37 +0000 |
| commit | 03fd22151856ff8e57ef209b2e01edc9f76999e0 (patch) | |
| tree | f0310ff5933484ccfcb5cd7fb312fb89350141a1 /gcc/cfgloop.h | |
| parent | b04c90638b1b3042078fda9582f3b3008ce51bc1 (diff) | |
| download | gcc-03fd22151856ff8e57ef209b2e01edc9f76999e0.zip gcc-03fd22151856ff8e57ef209b2e01edc9f76999e0.tar.gz gcc-03fd22151856ff8e57ef209b2e01edc9f76999e0.tar.bz2 | |
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
Diffstat (limited to 'gcc/cfgloop.h')
| -rw-r--r-- | gcc/cfgloop.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h index b5ac71c..3139ef7 100644 --- a/gcc/cfgloop.h +++ b/gcc/cfgloop.h @@ -352,9 +352,6 @@ struct rtx_iv /* The mode the variable iterates in. */ enum machine_mode mode; - /* Whether we have already filled the remaining fields. */ - unsigned analysed : 1; - /* Whether the first iteration needs to be handled specially. */ unsigned first_special : 1; }; @@ -404,12 +401,14 @@ struct niter_desc }; extern void iv_analysis_loop_init (struct loop *); -extern rtx iv_get_reaching_def (rtx, rtx); extern bool iv_analyze (rtx, rtx, struct rtx_iv *); +extern bool iv_analyze_result (rtx, rtx, struct rtx_iv *); +extern bool iv_analyze_expr (rtx, rtx, enum machine_mode, struct rtx_iv *); extern rtx get_iv_value (struct rtx_iv *, rtx); extern bool biv_p (rtx, rtx); extern void find_simple_exit (struct loop *, struct niter_desc *); extern void iv_analysis_done (void); +extern struct df *iv_current_loop_df (void); extern struct niter_desc *get_simple_loop_desc (struct loop *loop); extern void free_simple_loop_desc (struct loop *loop); |