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Liebe bugs part1: Eor(1, Proj(Cmp)) was broken - simply remove the optimisation since...
author
Matthias Braun
<matze@braunis.de>
Thu, 7 Jan 2010 13:52:30 +0000
(13:52 +0000)
committer
Matthias Braun
<matze@braunis.de>
Thu, 7 Jan 2010 13:52:30 +0000
(13:52 +0000)
[r26913]
ir/ir/iropt.c
patch
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diff --git
a/ir/ir/iropt.c
b/ir/ir/iropt.c
index
6614986
..
6542ecf
100644
(file)
--- a/
ir/ir/iropt.c
+++ b/
ir/ir/iropt.c
@@
-3538,15
+3538,6
@@
static ir_node *transform_node_Eor(ir_node *n) {
n = new_rd_Const(get_irn_dbg_info(n), current_ir_graph,
get_mode_null(mode));
DBG_OPT_ALGSIM0(oldn, n, FS_OPT_EOR_A_A);
n = new_rd_Const(get_irn_dbg_info(n), current_ir_graph,
get_mode_null(mode));
DBG_OPT_ALGSIM0(oldn, n, FS_OPT_EOR_A_A);
- } else if (mode == mode_b &&
- is_Proj(a) &&
- is_Const(b) && is_Const_one(b) &&
- is_Cmp(get_Proj_pred(a))) {
- /* The Eor negates a Cmp. The Cmp has the negated result anyways! */
- n = new_r_Proj(get_nodes_block(n), get_Proj_pred(a),
- mode_b, get_negated_pnc(get_Proj_proj(a), mode));
-
- DBG_OPT_ALGSIM0(oldn, n, FS_OPT_EOR_TO_NOT_BOOL);
} else if (is_Const(b)) {
if (is_Not(a)) { /* ~x ^ const -> x ^ ~const */
ir_node *cnst = new_Const(tarval_not(get_Const_tarval(b)));
} else if (is_Const(b)) {
if (is_Not(a)) { /* ~x ^ const -> x ^ ~const */
ir_node *cnst = new_Const(tarval_not(get_Const_tarval(b)));