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| author | Dale Johannesen <dalej@apple.com> | 2004-11-16 01:26:00 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@gcc.gnu.org> | 2004-11-16 01:26:00 +0000 |
| commit | b00843d2851a8021f148ea11209d205f5b8e6469 (patch) | |
| tree | 82ac2ff37928b22b45e27ce54db8f8931281757a | |
| parent | 32f84e48f38788f1f90b370d8835d7686b697554 (diff) | |
| download | gcc-b00843d2851a8021f148ea11209d205f5b8e6469.zip gcc-b00843d2851a8021f148ea11209d205f5b8e6469.tar.gz gcc-b00843d2851a8021f148ea11209d205f5b8e6469.tar.bz2 | |
profile.c (compute_branch_probabilities): Prevent crash with EH in RTL-based profiling.
2004-11-15 Dale Johannesen <dalej@apple.com>
* profile.c (compute_branch_probabilities): Prevent
crash with EH in RTL-based profiling.
From-SVN: r90711
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/profile.c | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5c50807..eec443f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-11-15 Dale Johannesen <dalej@apple.com> + + * profile.c (compute_branch_probabilities): Prevent + crash with EH in RTL-based profiling. + 2004-11-16 Kazu Hirata <kazu@cs.umass.edu> * tree-cfg.c (verify_expr): Replace TREE_OPERAND with diff --git a/gcc/profile.c b/gcc/profile.c index 93d79d0..318defd 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -569,10 +569,13 @@ compute_branch_probabilities (void) } } /* Otherwise try to preserve the existing REG_BR_PROB probabilities - tree based profile guessing put into code. */ + tree based profile guessing put into code. BB can be the + ENTRY_BLOCK, and it can have multiple (fake) successors in + EH cases, but it still has no code; don't crash in this case. */ else if (profile_status == PROFILE_ABSENT && !ir_type () && EDGE_COUNT (bb->succs) > 1 + && BB_END (bb) && (note = find_reg_note (BB_END (bb), REG_BR_PROB, 0))) { int prob = INTVAL (XEXP (note, 0)); |