flow.c (propagate_one_insn): Do not remove a dead insn if it contains a REG_RETVAL note.

        * flow.c (propagate_one_insn): Do not remove a dead insn if it
        contains a REG_RETVAL note.

From-SVN: r54028

2 files changed, 4 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2eb88b8..5d7779f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2002-05-29  Jeff Law <law@redhat.com>
 
+	* flow.c (propagate_one_insn): Do not remove a dead insn if it
+	contains a REG_RETVAL note.
+
 	* haifa-sched (sched_analyze): Remove another useless clearing
 	of SCHED_GROUP_P I missed yesterday.
 
diff --git a/gcc/flow.c b/gcc/flow.c
index a9f94a6..ed2b24f 100644
--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -1643,7 +1643,7 @@ propagate_one_insn (pbi, insn)
 
       if (libcall_is_dead)
 	prev = propagate_block_delete_libcall ( insn, note);
-      else
+      else if (!note)
 	propagate_block_delete_insn (insn);
 
       return prev;