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jump.c (jump_optimize_1): Don't call delete_barrier_successors if only marking labels.

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* jump.c (jump_optimize_1): Don't call delete_barrier_successors
	if only marking labels.

From-SVN: r32231
This commit is contained in:
Richard Kenner 2000-02-28 12:01:08 +00:00 • committed by Richard Kenner
parent 4e217aed3d
commit e4884e958b
2 changed files with 9 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* jump.c (jump_optimize_1): Don't call delete_barrier_successors
if only marking labels.
Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
* calls.c (expand_call): Attempt to combine stack adjustments with

5
gcc/jump.c
View file

@ -201,7 +201,8 @@ jump_optimize_1 (f, cross_jump, noop_moves, after_regscan, mark_labels_only)
if (flag_exceptions && cross_jump)
init_insn_eh_region (f, max_uid);
delete_barrier_successors (f);
if (! mark_labels_only)
delete_barrier_successors (f);
/* Leave some extra room for labels and duplicate exit test insns
we make. */
@ -2181,6 +2182,7 @@ init_label_info (f)
/* Delete insns following barriers, up to next label.
Also delete no-op jumps created by gcse. */
static void
delete_barrier_successors (f)
rtx f;
@ -2205,6 +2207,7 @@ delete_barrier_successors (f)
}
/* INSN is now the code_label. */
}
/* Also remove (set (pc) (pc)) insns which can be created by
gcse. We eliminate such insns now to avoid having them
cause problems later. */