From 8f54d2fffdddf8dab5a7820d284c4aeaa0e837b2 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Tue, 24 Jul 2001 10:54:59 +0200 Subject: [PATCH] * flow.c (delete_noop_moves): Do not confuse libcall regions. From-SVN: r44290 --- gcc/ChangeLog | 4 ++++ gcc/flow.c | 8 +++++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ed7a5ae19e2..727bcf9f4f3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka + + * flow.c (delete_noop_moves): Do not confuse libcall regions. + 2001-07-23 Richard Henderson * flow.c (try_simplify_condjump): Use tidy_fallthru_edge. diff --git a/gcc/flow.c b/gcc/flow.c index 904684a37cd..5850daf191f 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -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; } } } -- 2.30.2