summaryrefslogtreecommitdiffstats
path: root/gcc/cfgloopmanip.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cfgloopmanip.c')
-rw-r--r--gcc/cfgloopmanip.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c
index bd55788483d..14769067279 100644
--- a/gcc/cfgloopmanip.c
+++ b/gcc/cfgloopmanip.c
@@ -45,7 +45,6 @@ static bool fix_bb_placement (struct loops *, basic_block);
static void fix_bb_placements (struct loops *, basic_block);
static void place_new_loop (struct loops *, struct loop *);
static void scale_loop_frequencies (struct loop *, int, int);
-static void scale_bbs_frequencies (basic_block *, int, int, int);
static basic_block create_preheader (struct loop *, int);
static void fix_irreducible_loops (basic_block);
static void unloop (struct loops *, struct loop *);
@@ -450,24 +449,6 @@ add_loop (struct loops *loops, struct loop *loop)
free (bbs);
}
-/* Multiply all frequencies of basic blocks in array BBS of length NBBS
- by NUM/DEN. */
-static void
-scale_bbs_frequencies (basic_block *bbs, int nbbs, int num, int den)
-{
- int i;
- edge e;
-
- for (i = 0; i < nbbs; i++)
- {
- edge_iterator ei;
- bbs[i]->frequency = (bbs[i]->frequency * num) / den;
- bbs[i]->count = RDIV (bbs[i]->count * num, den);
- FOR_EACH_EDGE (e, ei, bbs[i]->succs)
- e->count = (e->count * num) /den;
- }
-}
-
/* Multiply all frequencies in LOOP by NUM/DEN. */
static void
scale_loop_frequencies (struct loop *loop, int num, int den)
@@ -475,7 +456,7 @@ scale_loop_frequencies (struct loop *loop, int num, int den)
basic_block *bbs;
bbs = get_loop_body (loop);
- scale_bbs_frequencies (bbs, loop->num_nodes, num, den);
+ scale_bbs_frequencies_int (bbs, loop->num_nodes, num, den);
free (bbs);
}
@@ -1059,7 +1040,7 @@ duplicate_loop_to_header_edge (struct loop *loop, edge e, struct loops *loops,
/* Set counts and frequencies. */
if (flags & DLTHE_FLAG_UPDATE_FREQ)
{
- scale_bbs_frequencies (new_bbs, n, scale_act, REG_BR_PROB_BASE);
+ scale_bbs_frequencies_int (new_bbs, n, scale_act, REG_BR_PROB_BASE);
scale_act = RDIV (scale_act * scale_step[j], REG_BR_PROB_BASE);
}
}
@@ -1071,7 +1052,7 @@ duplicate_loop_to_header_edge (struct loop *loop, edge e, struct loops *loops,
set_immediate_dominator (CDI_DOMINATORS, e->dest, e->src);
if (flags & DLTHE_FLAG_UPDATE_FREQ)
{
- scale_bbs_frequencies (bbs, n, scale_main, REG_BR_PROB_BASE);
+ scale_bbs_frequencies_int (bbs, n, scale_main, REG_BR_PROB_BASE);
free (scale_step);
}
OpenPOWER on IntegriCloud