diff options
| author | Bin Cheng <bin.cheng@arm.com> | 2012-10-19 05:34:44 +0000 |
|---|---|---|
| committer | Bin Cheng <bin.cheng@arm.com> | 2012-10-19 05:34:44 +0000 |
| commit | 7944cee06ec4d25002ffecc1e4af16131d8f8636 (patch) | |
| tree | 912f6d85905f6f73a43d1e05c15a272d20d9308f /gcc/gcse.c | |
| parent | e880da24e2f5a584d98a2766484e67b2f8a72eee (diff) | |
* gcse.c: Update copyright dates.
(hoist_expr_reaches_here_p): Change parameter type from char *
to sbitmap.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@192603 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c index 138150b198e..94f4beb6982 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -1,6 +1,6 @@ /* Partial redundancy elimination / Hoisting for RTL. Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. + 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This file is part of GCC. @@ -460,7 +460,7 @@ static void alloc_code_hoist_mem (int, int); static void free_code_hoist_mem (void); static void compute_code_hoist_vbeinout (void); static void compute_code_hoist_data (void); -static int hoist_expr_reaches_here_p (basic_block, int, basic_block, char *, +static int hoist_expr_reaches_here_p (basic_block, int, basic_block, sbitmap, int, int *); static int hoist_code (void); static int one_code_hoisting_pass (void); @@ -2843,7 +2843,7 @@ compute_code_hoist_data (void) static int hoist_expr_reaches_here_p (basic_block expr_bb, int expr_index, basic_block bb, - char *visited, int distance, int *bb_size) + sbitmap visited, int distance, int *bb_size) { edge pred; edge_iterator ei; @@ -2864,7 +2864,8 @@ hoist_expr_reaches_here_p (basic_block expr_bb, int expr_index, basic_block bb, if (visited == NULL) { visited_allocated_locally = 1; - visited = XCNEWVEC (char, last_basic_block); + visited = sbitmap_alloc (last_basic_block); + sbitmap_zero (visited); } FOR_EACH_EDGE (pred, ei, bb->preds) @@ -2875,7 +2876,7 @@ hoist_expr_reaches_here_p (basic_block expr_bb, int expr_index, basic_block bb, break; else if (pred_bb == expr_bb) continue; - else if (visited[pred_bb->index]) + else if (TEST_BIT (visited, pred_bb->index)) continue; else if (! TEST_BIT (transp[pred_bb->index], expr_index)) @@ -2884,14 +2885,14 @@ hoist_expr_reaches_here_p (basic_block expr_bb, int expr_index, basic_block bb, /* Not killed. */ else { - visited[pred_bb->index] = 1; + SET_BIT (visited, pred_bb->index); if (! hoist_expr_reaches_here_p (expr_bb, expr_index, pred_bb, visited, distance, bb_size)) break; } } if (visited_allocated_locally) - free (visited); + sbitmap_free (visited); return (pred == NULL); } |