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| author | Steven Bosscher <stevenb.gcc@gmail.com> | 2008-06-09 01:56:08 +0000 |
|---|---|---|
| committer | Kenneth Zadeck <zadeck@gcc.gnu.org> | 2008-06-09 01:56:08 +0000 |
| commit | fed6152d2e50b30d08c3fb4b246f027b3baa00d6 (patch) | |
| tree | 5fe353dc2f26597874408385ad7576f1258cde26 /gcc | |
| parent | 1a4322553b2f7617c4b147be0de3463a3ef698f3 (diff) | |
| download | gcc-fed6152d2e50b30d08c3fb4b246f027b3baa00d6.zip gcc-fed6152d2e50b30d08c3fb4b246f027b3baa00d6.tar.gz gcc-fed6152d2e50b30d08c3fb4b246f027b3baa00d6.tar.bz2 | |
df-scan.c (struct df_scan_problem_data): Remove the mw_link_pool alloc pool.
2008-06-08 Steven Bosscher <stevenb.gcc@gmail.com>
* df-scan.c (struct df_scan_problem_data): Remove the
mw_link_pool alloc pool.
(df_scan_free_internal): Don't free it.
(df_scan_alloc): Don't allocate it.
* df.h (struct df_link): Update comment.
From-SVN: r136576
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/df-scan.c | 5 | ||||
| -rw-r--r-- | gcc/df.h | 5 |
3 files changed, 10 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1892d25..bbc057f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2008-06-08 Steven Bosscher <stevenb.gcc@gmail.com> + + * df-scan.c (struct df_scan_problem_data): Remove the + mw_link_pool alloc pool. + (df_scan_free_internal): Don't free it. + (df_scan_alloc): Don't allocate it. + * df.h (struct df_link): Update comment. + 2008-06-08 Nathan Sidwell <nathan@codesourcery.com> * except.h: Correct checks for when SJLJ exceptions must be used. diff --git a/gcc/df-scan.c b/gcc/df-scan.c index 962c17a..6a34bf7 100644 --- a/gcc/df-scan.c +++ b/gcc/df-scan.c @@ -166,7 +166,6 @@ struct df_scan_problem_data alloc_pool insn_pool; alloc_pool reg_pool; alloc_pool mw_reg_pool; - alloc_pool mw_link_pool; bitmap_obstack reg_bitmaps; bitmap_obstack insn_bitmaps; }; @@ -221,7 +220,6 @@ df_scan_free_internal (void) free_alloc_pool (problem_data->insn_pool); free_alloc_pool (problem_data->reg_pool); free_alloc_pool (problem_data->mw_reg_pool); - free_alloc_pool (problem_data->mw_link_pool); bitmap_obstack_release (&problem_data->reg_bitmaps); bitmap_obstack_release (&problem_data->insn_bitmaps); free (df_scan->problem_data); @@ -312,9 +310,6 @@ df_scan_alloc (bitmap all_blocks ATTRIBUTE_UNUSED) problem_data->mw_reg_pool = create_alloc_pool ("df_scan_mw_reg pool", sizeof (struct df_mw_hardreg), block_size); - problem_data->mw_link_pool - = create_alloc_pool ("df_scan_mw_link pool", - sizeof (struct df_link), block_size); bitmap_obstack_initialize (&problem_data->reg_bitmaps); bitmap_obstack_initialize (&problem_data->insn_bitmaps); @@ -409,9 +409,8 @@ struct df_ref_extract enum machine_mode mode; }; -/* These links are used for two purposes: - 1) def-use or use-def chains. - 2) Multiword hard registers that underly a single hardware register. */ +/* These links are used for ref-ref chains. Currently only DEF-USE and + USE-DEF chains can be built by DF. */ struct df_link { struct df_ref *ref; |