diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/function.c | 9 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 068a264..1845cfc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2012-09-28 Jan Hubicka <jh@suse.cz> + + * function.c (dup_block_and_redirect): Update profile. + 2012-09-29 Andreas Tobler <andreast@fgznet.ch> * config.gcc: Replace 'host' with 'target' when configuring for diff --git a/gcc/function.c b/gcc/function.c index d6e1954..9efbc3a 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5668,6 +5668,15 @@ dup_block_and_redirect (basic_block bb, basic_block copy_bb, rtx before, for (ei = ei_start (bb->preds); (e = ei_safe_edge (ei)); ) if (!bitmap_bit_p (need_prologue, e->src->index)) { + int freq = EDGE_FREQUENCY (e); + copy_bb->count += e->count; + copy_bb->frequency += EDGE_FREQUENCY (e); + e->dest->count -= e->count; + if (e->dest->count < 0) + e->dest->count = 0; + e->dest->frequency -= freq; + if (e->dest->frequency < 0) + e->dest->frequency = 0; redirect_edge_and_branch_force (e, copy_bb); continue; } |