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gcse.c: Update copyright dates. 

* gcse.c: Update copyright dates.
	(hoist_expr_reaches_here_p): Change parameter type from char *
	to sbitmap.

From-SVN: r192603
This commit is contained in:
Bin Cheng 2012-10-19 05:34:44 +00:00 committed by Bin Cheng
parent 0524295766
commit 8cba9a0536
2 changed files with 14 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-10-19 Bin Cheng <bin.cheng@arm.com>
* gcse.c: Update copyright dates.
(hoist_expr_reaches_here_p): Change parameter type from char *
to sbitmap.
2012-10-19 Sebastian Huber <sebastian.huber@embedded-brains.de> 2012-10-19 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config.gcc * config.gcc

15
gcc/gcse.c
View File

@ -1,6 +1,6 @@
/* Partial redundancy elimination / Hoisting for RTL. /* Partial redundancy elimination / Hoisting for RTL.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 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. 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 free_code_hoist_mem (void);
static void compute_code_hoist_vbeinout (void); static void compute_code_hoist_vbeinout (void);
static void compute_code_hoist_data (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 *); int, int *);
static int hoist_code (void); static int hoist_code (void);
static int one_code_hoisting_pass (void); static int one_code_hoisting_pass (void);
@ -2843,7 +2843,7 @@ compute_code_hoist_data (void)
static int static int
hoist_expr_reaches_here_p (basic_block expr_bb, int expr_index, basic_block bb, 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 pred;
edge_iterator ei; 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) if (visited == NULL)
{ {
visited_allocated_locally = 1; 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) 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; break;
else if (pred_bb == expr_bb) else if (pred_bb == expr_bb)
continue; continue;
else if (visited[pred_bb->index]) else if (TEST_BIT (visited, pred_bb->index))
continue; continue;
else if (! TEST_BIT (transp[pred_bb->index], expr_index)) 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. */ /* Not killed. */
else else
{ {
visited[pred_bb->index] = 1; SET_BIT (visited, pred_bb->index);
if (! hoist_expr_reaches_here_p (expr_bb, expr_index, pred_bb, if (! hoist_expr_reaches_here_p (expr_bb, expr_index, pred_bb,
visited, distance, bb_size)) visited, distance, bb_size))
break; break;
} }
} }
if (visited_allocated_locally) if (visited_allocated_locally)
free (visited); sbitmap_free (visited);
return (pred == NULL); return (pred == NULL);
} }