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| author | Razya Ladelsky <razya@gcc.gnu.org> | 2006-05-04 09:19:02 +0000 |
|---|---|---|
| committer | Razya Ladelsky <razya@gcc.gnu.org> | 2006-05-04 09:19:02 +0000 |
| commit | 8cd37d0b6c5eb9e1ac56518f8d7f1257328e96a0 (patch) | |
| tree | ef41d3b028cb0bd843e780b6ff16b1f90786cd60 /gcc/df.h | |
| parent | 23ba9627f42b41b4431d63d55431d01fd5af9bf4 (diff) | |
| download | gcc-8cd37d0b6c5eb9e1ac56518f8d7f1257328e96a0.tar.gz | |
[multiple changes]
2006-05-04 Leehod Baruch <leehod@il.ibm.com>
* see.c: New file.
* Makefile.in (OBJS-common): Add see.o.
(see.o): Add dependencies.
* common.opt (fsee): New flag for the see optimization was added.
* opts.c (flag_see): Initialized.
* passes.c (init_optimization_passes, pass_see): New pass.
* rtl.h (see_main): Declaration as extern.
* timevar.def (TV_SEE): New.
* tree-pass.h (pass_see): Declaration as extern.
* invoke.texi (-fsee): Document.
* recog.c (validate_simplify_insn): New function.
* recog.h (validate_simplify_insn): Declaration as extern.
* df-problems.c (df_chain_dump): Check for NULL.
2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
Daniel Berlin <dberlin@dberlin.org>
* cfgrtl.c (insert_insn_bb_end_new): New function.
* basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
* df.h (struct web_entry): Moved from web.c.
(union_defs): Declaration as extern.
(unionfind_root): Likewise.
(unionfind_union): Likewise.
* web.c (struct web_entry): Moved to df.h.
(unionfind_root): Remove static declaration.
(unionfind_union): Likewise.
(union_defs): Likewise and generalize to use callback function.
(web_main): Update arguments for union_defs function call.
From-SVN: r113518
Diffstat (limited to 'gcc/df.h')
| -rw-r--r-- | gcc/df.h | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -593,4 +593,23 @@ extern void df_hard_reg_init (void); extern bool df_read_modify_subreg_p (rtx); +/* web */ + +/* This entry is allocated for each reference in the insn stream. */ +struct web_entry +{ + /* Pointer to the parent in the union/find tree. */ + struct web_entry *pred; + /* Newly assigned register to the entry. Set only for roots. */ + rtx reg; + void* extra_info; +}; + +extern struct web_entry *unionfind_root (struct web_entry *); +extern bool unionfind_union (struct web_entry *, struct web_entry *); +extern void union_defs (struct df *, struct df_ref *, + struct web_entry *, struct web_entry *, + bool (*fun) (struct web_entry *, struct web_entry *)); + + #endif /* GCC_DF_H */ |