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| author | Richard Guenther <rguenther@suse.de> | 2007-10-18 14:59:48 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-10-18 14:59:48 +0000 |
| commit | e445a2ff978362e261a74f26fe5e06d539ed893b (patch) | |
| tree | ee9ea6e05bfb23fe8dcffc5c462dc9595eba198f /gcc/tree-ssa.c | |
| parent | 9fc5a389d68d7fbfc32d86f3ad7f631cb4fc634d (diff) | |
| download | gcc-e445a2ff978362e261a74f26fe5e06d539ed893b.zip gcc-e445a2ff978362e261a74f26fe5e06d539ed893b.tar.gz gcc-e445a2ff978362e261a74f26fe5e06d539ed893b.tar.bz2 | |
tree-ssa.c (uid_ssaname_map_eq): New function.
2007-10-18 Richard Guenther <rguenther@suse.de>
* tree-ssa.c (uid_ssaname_map_eq): New function.
(uid_ssaname_map_has): Likewise.
(init_tree_ssa): Allocate default_defs as uid_ssaname map.
* tree-flow.h (struct gimple_df): Make default_defs a
uid_ssaname map.
* tree-dfa.c (gimple_default_def): Deal with it.
(set_default_def): Likewise.
From-SVN: r129441
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index e325953..c6386be 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -810,6 +810,24 @@ var_ann_hash (const void *item) return ((const struct static_var_ann_d *)item)->uid; } +/* Return true if the DECL_UID in both trees are equal. */ + +static int +uid_ssaname_map_eq (const void *va, const void *vb) +{ + const_tree a = (const_tree) va; + const_tree b = (const_tree) vb; + return (a->ssa_name.var->decl_minimal.uid == b->ssa_name.var->decl_minimal.uid); +} + +/* Hash a tree in a uid_decl_map. */ + +static unsigned int +uid_ssaname_map_hash (const void *item) +{ + return ((const_tree)item)->ssa_name.var->decl_minimal.uid; +} + /* Initialize global DFA and SSA structures. */ @@ -819,8 +837,8 @@ init_tree_ssa (void) cfun->gimple_df = GGC_CNEW (struct gimple_df); cfun->gimple_df->referenced_vars = htab_create_ggc (20, uid_decl_map_hash, uid_decl_map_eq, NULL); - cfun->gimple_df->default_defs = htab_create_ggc (20, int_tree_map_hash, - int_tree_map_eq, NULL); + cfun->gimple_df->default_defs = htab_create_ggc (20, uid_ssaname_map_hash, + uid_ssaname_map_eq, NULL); cfun->gimple_df->var_anns = htab_create_ggc (20, var_ann_hash, var_ann_eq, NULL); cfun->gimple_df->call_clobbered_vars = BITMAP_GGC_ALLOC (); |