From fca5f3d11ce7bc4c2c1b302217d0a4247f2596fd Mon Sep 17 00:00:00 2001
From: Michael Matz <matz@suse.de>
Date: Mon, 27 Apr 2009 11:15:53 +0000
Subject: [PATCH] tree-into-ssa.c (regs_to_rename, [...]): Remove.
* 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
---
gcc/ChangeLog | 6 ++++++
gcc/tree-into-ssa.c | 32 --------------------------------
2 files changed, 6 insertions(+), 32 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e39039a5dd65..c04bd05d882c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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>
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c
index 938eefc868a1..d1f0ff7820ee 100644
--- a/gcc/tree-into-ssa.c
+++ b/gcc/tree-into-ssa.c
@@ -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. */