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| author | Richard Henderson <rth@redhat.com> | 2001-07-14 17:00:56 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-07-14 17:00:56 -0700 |
| commit | 35cbdf6fefe1ceb2b824856874337b7ee47662e5 (patch) | |
| tree | 52dcf09cd9b00175c467bfceb2cdbc249e5e2986 /gcc | |
| parent | 1e5fd09422a5b2e3b8bd8b7ee7cb38bed193f984 (diff) | |
| download | gcc-35cbdf6fefe1ceb2b824856874337b7ee47662e5.zip gcc-35cbdf6fefe1ceb2b824856874337b7ee47662e5.tar.gz gcc-35cbdf6fefe1ceb2b824856874337b7ee47662e5.tar.bz2 | |
* ifcvt.c (find_cond_trap): Test for exit block.
From-SVN: r44009
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc4cfcf..1d9c94d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-04-14 Richard Henderson <rth@redhat.com> + + * ifcvt.c (find_cond_trap): Test for exit block. + Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz> Re-install recently reverted patch. diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 6196522..d23fd3a 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -2018,6 +2018,11 @@ find_cond_trap (test_bb, then_edge, else_edge) else return FALSE; + /* Don't confuse a conditional return with something we want to + optimize here. */ + if (trap_bb == EXIT_BLOCK_PTR) + return FALSE; + /* The only instruction in the THEN block must be the trap. */ trap = first_active_insn (trap_bb); if (! (trap == trap_bb->end |