From 2e24fa83ab8d4c5c532e98f0fd005e4f20c833fc Mon Sep 17 00:00:00 2001 From: Zdenek Dvorak Date: Sun, 20 Jun 2004 23:12:55 +0200 Subject: [PATCH] * tree-ssa-pre.c (compute_antic): Keep BB_VISITED flag zeroed. From-SVN: r83418 --- gcc/ChangeLog | 4 ++++ gcc/tree-ssa-pre.c | 7 ++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8d02e2b387c..20ce45ee287 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2004-06-20 Zdenek Dvorak + + * tree-ssa-pre.c (compute_antic): Keep BB_VISITED flag zeroed. + 2004-06-20 Richard Henderson * stmt.c (warn_if_unused_value): Add locus argument. diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 7c0aeb7dca3..6fbb37a6884 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1286,7 +1286,8 @@ compute_antic (void) FOR_ALL_BB (bb) { ANTIC_IN (bb) = set_new (true); - bb->flags &= ~BB_VISITED; + if (bb->flags & BB_VISITED) + abort (); } while (changed) @@ -1295,6 +1296,10 @@ compute_antic (void) changed = false; changed = compute_antic_aux (EXIT_BLOCK_PTR); } + FOR_ALL_BB (bb) + { + bb->flags &= ~BB_VISITED; + } if (num_iterations > 2 && dump_file && (dump_flags & TDF_STATS)) fprintf (dump_file, "compute_antic required %d iterations\n", num_iterations); } -- 2.30.2