From 1befacc8c5554979882499fa6a1d797791cf85ba Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Tue, 5 Jan 2010 10:53:11 +0000 Subject: tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize. 2010-01-05 Richard Guenther * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize. From-SVN: r155643 --- gcc/tree-ssa-pre.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'gcc/tree-ssa-pre.c') diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 124ba3b..972af00 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -867,8 +867,17 @@ bitmap_value_insert_into_set (bitmap_set_t set, pre_expr expr) { unsigned int val = get_expr_value_id (expr); - if (!bitmap_set_contains_value (set, val)) - bitmap_insert_into_set_1 (set, expr, val, false); +#ifdef ENABLE_CHECKING + gcc_assert (expr->id == get_or_alloc_expression_id (expr)); +#endif + + /* Constant values are always considered to be part of the set. */ + if (value_id_constant_p (val)) + return; + + /* If the value membership changed, add the expression. */ + if (bitmap_set_bit (set->values, val)) + bitmap_set_bit (set->expressions, expr->id); } /* Print out EXPR to outfile. */ -- cgit v1.1