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tree-into-ssa.c (regs_to_rename, [...]): Remove.

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* tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
        (init_update_ssa, delete_update_ssa, update_ssa): Remove references
        to above.

From-SVN: r146830
This commit is contained in:
Michael Matz 2009-04-27 11:15:53 +00:00 committed by Michael Matz
parent a1fa3e7944
commit fca5f3d11c
2 changed files with 6 additions and 32 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-04-27 Michael Matz <matz@suse.de>
* tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
(init_update_ssa, delete_update_ssa, update_ssa): Remove references
to above.
2009-04-27 Richard Sandiford <rdsandiford@googlemail.com>
Eric Botcazou <ebotcazou@adacore.com>

32
gcc/tree-into-ssa.c
View File

@ -113,14 +113,6 @@ static sbitmap old_ssa_names;
static sbitmap new_ssa_names;
/* Subset of SYMS_TO_RENAME. Contains all the GIMPLE register symbols
that have been marked for renaming. */
static bitmap regs_to_rename;
/* Subset of SYMS_TO_RENAME. Contains all the memory symbols
that have been marked for renaming. */
static bitmap mem_syms_to_rename;
/* Set of SSA names that have been marked to be released after they
were registered in the replacement table. They will be finally
released after we finish updating the SSA web. */
@ -2635,8 +2627,6 @@ init_update_ssa (struct function *fn)
sbitmap_zero (new_ssa_names);
repl_tbl = htab_create (20, repl_map_hash, repl_map_eq, repl_map_free);
regs_to_rename = BITMAP_ALLOC (NULL);
mem_syms_to_rename = BITMAP_ALLOC (NULL);
names_to_release = NULL;
memset (&update_ssa_stats, 0, sizeof (update_ssa_stats));
update_ssa_stats.virtual_symbols = BITMAP_ALLOC (NULL);
@ -2662,8 +2652,6 @@ delete_update_ssa (void)
repl_tbl = NULL;
bitmap_clear (SYMS_TO_RENAME (update_ssa_initialized_fn));
BITMAP_FREE (regs_to_rename);
BITMAP_FREE (mem_syms_to_rename);
BITMAP_FREE (update_ssa_stats.virtual_symbols);
if (names_to_release)
@ -3152,26 +3140,6 @@ update_ssa (unsigned update_flags)
if (insert_phi_p && switch_virtuals_to_full_rewrite_p ())
switch_virtuals_to_full_rewrite ();
/* If there are symbols to rename, identify those symbols that are
GIMPLE registers into the set REGS_TO_RENAME and those that are
memory symbols into the set MEM_SYMS_TO_RENAME. */
if (!bitmap_empty_p (SYMS_TO_RENAME (cfun)))
{
unsigned i;
bitmap_iterator bi;
EXECUTE_IF_SET_IN_BITMAP (SYMS_TO_RENAME (cfun), 0, i, bi)
{
tree sym = referenced_var (i);
if (is_gimple_reg (sym))
bitmap_set_bit (regs_to_rename, i);
}
/* Memory symbols are those not in REGS_TO_RENAME. */
bitmap_and_compl (mem_syms_to_rename,
SYMS_TO_RENAME (cfun), regs_to_rename);
}
/* If there are names defined in the replacement table, prepare
definition and use sites for all the names in NEW_SSA_NAMES and
OLD_SSA_NAMES. */