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| author | Pat Haugen <pthaugen@us.ibm.com> | 2004-06-23 04:09:46 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2004-06-22 22:09:46 -0600 |
| commit | 649b2789d1a5e18be4bc10e1c35d81b405cf2b05 (patch) | |
| tree | 0d932e098851549e39ec9a89ee17784215970080 | |
| parent | 1cc3d0854a26a83a3ac513e9d034fbba17a2ca94 (diff) | |
| download | gcc-649b2789d1a5e18be4bc10e1c35d81b405cf2b05.zip gcc-649b2789d1a5e18be4bc10e1c35d81b405cf2b05.tar.gz gcc-649b2789d1a5e18be4bc10e1c35d81b405cf2b05.tar.bz2 | |
cfghooks.c (make_forwarder_block): Decrement count on fallthru edge when redirecting back edges.
* cfghooks.c (make_forwarder_block): Decrement count on fallthru edge
when redirecting back edges.
* cfghooks.c (split_block): Call make_single_succ_edge so that edge
count/probability are set correctly.
From-SVN: r83537
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/cfghooks.c | 5 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ecd0f06..70fe4ee 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2004-06-22 Pat Haugen <pthaugen@us.ibm.com> + + * cfghooks.c (make_forwarder_block): Decrement count on fallthru edge + when redirecting back edges. + + * cfghooks.c (split_block): Call make_single_succ_edge so that edge + count/probability are set correctly. + 2004-06-22 Richard Henderson <rth@redhat.com> * c-typeck.c (emit_side_effect_warnings): Ignore error marks. diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c index 29f5dfd..bd67a21 100644 --- a/gcc/cfghooks.c +++ b/gcc/cfghooks.c @@ -321,7 +321,7 @@ split_block (basic_block bb, void *i) set_immediate_dominator (CDI_DOMINATORS, new_bb, bb); } - return make_edge (bb, new_bb, EDGE_FALLTHRU); + return make_single_succ_edge (bb, new_bb, EDGE_FALLTHRU); } /* Splits block BB just after labels. The newly created edge is returned. */ @@ -566,6 +566,9 @@ make_forwarder_block (basic_block bb, bool (*redirect_edge_p) (edge), dummy->frequency = 0; if (dummy->count < 0) dummy->count = 0; + fallthru->count -= e->count; + if (fallthru->count < 0) + fallthru->count = 0; jump = redirect_edge_and_branch_force (e, bb); if (jump) |