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tree-ssa-loop-im.c (SET_ALWAYS_EXECUTED_IN): New macro.

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* tree-ssa-loop-im.c (SET_ALWAYS_EXECUTED_IN): New macro.
	(fill_always_executed_in): Use [SET_]ALWAYS_EXECUTED_IN.
	(tree_ssa_lim_finalize): Likewise.

From-SVN: r173762
This commit is contained in:
Eric Botcazou 2011-05-14 19:45:28 +00:00 committed by Eric Botcazou
parent 486d481b39
commit 8a5190956b
2 changed files with 11 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-05-14 Eric Botcazou <ebotcazou@adacore.com>
* tree-ssa-loop-im.c (SET_ALWAYS_EXECUTED_IN): New macro.
(fill_always_executed_in): Use [SET_]ALWAYS_EXECUTED_IN.
(tree_ssa_lim_finalize): Likewise.
2011-05-14 Uros Bizjak <ubizjak@gmail.com>
* config/i386/constraint.md (Yd, Yx): New register constraints.

11
gcc/tree-ssa-loop-im.c
View File

@ -197,9 +197,10 @@ static bool ref_indep_loop_p (struct loop *, mem_ref_p);
/* Minimum cost of an expensive expression. */
#define LIM_EXPENSIVE ((unsigned) PARAM_VALUE (PARAM_LIM_EXPENSIVE))
/* The outermost loop for that execution of the header guarantees that the
/* The outermost loop for which execution of the header guarantees that the
block will be executed. */
#define ALWAYS_EXECUTED_IN(BB) ((struct loop *) (BB)->aux)
#define SET_ALWAYS_EXECUTED_IN(BB, VAL) ((BB)->aux = (void *) (VAL))
static struct lim_aux_data *
init_lim_data (gimple stmt)
@ -2440,7 +2441,7 @@ fill_always_executed_in (struct loop *loop, sbitmap contains_call)
edge e;
struct loop *inn_loop = loop;
if (!loop->header->aux)
if (ALWAYS_EXECUTED_IN (loop->header) == NULL)
{
bbs = get_loop_body_in_dom_order (loop);
@ -2482,7 +2483,7 @@ fill_always_executed_in (struct loop *loop, sbitmap contains_call)
while (1)
{
last->aux = loop;
SET_ALWAYS_EXECUTED_IN (last, loop);
if (last == loop->header)
break;
last = get_immediate_dominator (CDI_DOMINATORS, last);
@ -2537,9 +2538,7 @@ tree_ssa_lim_finalize (void)
htab_t h;
FOR_EACH_BB (bb)
{
bb->aux = NULL;
}
SET_ALWAYS_EXECUTED_IN (bb, NULL);
pointer_map_destroy (lim_aux_data_map);