From 385efa80b70c085c5856c2454236c0bdf0567c80 Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Fri, 22 Oct 2004 17:59:50 +0000 Subject: [PATCH] tree-cfg.c (thread_jumps_from_bb): Speed up by extracting edge information when... * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting edge information when we commit ourselves to threading a particular jump. From-SVN: r89462 --- gcc/ChangeLog | 6 ++++++ gcc/tree-cfg.c | 5 ++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7a23a2d0104..34abac14f7f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-10-22 Kazu Hirata + + * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting + edge information when we commit ourselves to threading a + particular jump. + 2004-10-22 Kazu Hirata * tree-cfg.c (thread_jumps): Speed up by putting basic blocks diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 0bf7b16b6b3..bdcabf3a58a 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -3788,9 +3788,6 @@ thread_jumps_from_bb (basic_block bb) continue; } - count = e->count; - freq = EDGE_FREQUENCY (e); - /* Now walk through as many forwarder blocks as possible to find the ultimate destination we want to thread our jump to. */ last = EDGE_SUCC (e->dest, 0); @@ -3839,6 +3836,8 @@ thread_jumps_from_bb (basic_block bb) /* Perform the redirection. */ retval = true; + count = e->count; + freq = EDGE_FREQUENCY (e); old_dest = e->dest; e = redirect_edge_and_branch (e, dest);