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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-06-25 17:06:44 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-06-25 17:06:44 +0000 |
| commit | 6c907cff668b1c4bf305b1988d99acbf841f6f52 (patch) | |
| tree | 2e989ada68962878a3c51638dc18cf3f243933ca /gcc/hash-table.h | |
| parent | ca752f3929677221a5806daf4940367308fc16d7 (diff) | |
| download | gcc-6c907cff668b1c4bf305b1988d99acbf841f6f52.zip gcc-6c907cff668b1c4bf305b1988d99acbf841f6f52.tar.gz gcc-6c907cff668b1c4bf305b1988d99acbf841f6f52.tar.bz2 | |
hash-traits.h (ggc_cache_hasher): Rename to...
gcc/
* hash-traits.h (ggc_cache_hasher): Rename to...
(ggc_cache_remove): ...this and remove typedefs.
(ggc_cache_ptr_hash): New class.
* hash-table.h: Update commentary.
* emit-rtl.c (const_int_hasher): Inherit from ggc_cache_ptr_hash
rather than ggc_cache_hasher.
(const_wide_int_hasher, reg_attr_hasher): Likewise.
(const_double_hasher, const_fixed_hasher): Likewise.
* function.c (insn_cache_hasher): Likewise.
* trans-mem.c (tm_wrapper_hasher): Likewise.
* tree.h (tree_decl_map_cache_hasher): Likewise.
* tree.c (type_cache_hasher, int_cst_hasher): Likewise.
(cl_option_hasher, tree_vec_map_cache_hasher): Likewise.
* ubsan.c (tree_type_map_cache_hasher): Likewise.
* varasm.c (tm_clone_hasher): Likewise.
* config/i386/i386.c (dllimport_hasher): Likewise.
* config/nvptx/nvptx.c (declared_libfunc_hasher): Likewise.
(tree_hasher): Likewise.
gcc/ada/
* gcc-interface/decl.c (value_annotation_hasher): Inherit from
ggc_cache_ptr_hash rather than ggc_cache_hasher.
* gcc-interface/utils.c (pad_type_hasher): Likewise.
From-SVN: r224960
Diffstat (limited to 'gcc/hash-table.h')
| -rw-r--r-- | gcc/hash-table.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/hash-table.h b/gcc/hash-table.h index 3f49345..5f3dbed 100644 --- a/gcc/hash-table.h +++ b/gcc/hash-table.h @@ -91,7 +91,7 @@ along with GCC; see the file COPYING3. If not see We compose this into a few steps. 1. Decide on a removal policy for values stored in the table. - hash-traits.h provides class templates for the three most common + hash-traits.h provides class templates for the four most common policies: * typed_free_remove implements the static 'remove' member function @@ -105,6 +105,13 @@ along with GCC; see the file COPYING3. If not see Use this for garbage-collected data that needs to be preserved across collections. + * ggc_cache_remove is like ggc_remove, except that it does not + mark the entries during the normal gc mark phase. Instead it + uses 'keep_cache_entry' (described above) to keep elements that + were not collected and delete those that were. Use this for + garbage-collected caches that should not in themselves stop + the data from being collected. + You can use these policies by simply deriving the descriptor type from one of those class template, with the appropriate argument. |