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* flow.c (delete_noop_moves): Do not confuse libcall regions.

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From-SVN: r44290
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Jan Hubicka 2001-07-24 10:54:59 +02:00 committed by Jan Hubicka
parent 016c22b5b4
commit 8f54d2fffd
2 changed files with 9 additions and 3 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
* flow.c (delete_noop_moves): Do not confuse libcall regions.
2001-07-23 Richard Henderson <rth@redhat.com>
* flow.c (try_simplify_condjump): Use tidy_fallthru_edge.

8
gcc/flow.c
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@ -4327,9 +4327,11 @@ delete_noop_moves (f)
next = NEXT_INSN (insn);
if (INSN_P (insn) && noop_move_p (insn))
{
if (insn == bb->end)
bb->end = PREV_INSN (insn);
flow_delete_insn (insn);
/* Do not call flow_delete_insn here to not confuse backward
pointers of LIBCALL block. */
PUT_CODE (insn, NOTE);
NOTE_LINE_NUMBER (insn) = NOTE_INSN_DELETED;
NOTE_SOURCE_FILE (insn) = 0;
}
}
}