From 8518628459833d02e553bfbf126c5050aeddc326 Mon Sep 17 00:00:00 2001 From: Michael Beck Date: Wed, 17 Oct 2007 12:50:56 +0000 Subject: [PATCH] add some comments, DBG_OPT call [r16246] --- ir/ir/iropt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c index 916a2ceb9..e02a230d1 100644 --- a/ir/ir/iropt.c +++ b/ir/ir/iropt.c @@ -3177,6 +3177,9 @@ static ir_node *transform_node_Not(ir_node *n) { * Optimize: * -(~x) = x + 1 * -(a-b) = b - a + * -(a >>u (size-1)) = a >>s (size-1) + * -(a >>s (size-1)) = a >>u (size-1) + * -(a * const) -> a * -const */ static ir_node *transform_node_Minus(ir_node *n) { ir_node *c, *oldn = n; @@ -3252,6 +3255,7 @@ static ir_node *transform_node_Minus(ir_node *n) { ir_graph *irg = current_ir_graph; ir_node *block = get_nodes_block(a); n = new_rd_Mul(dbg, irg, block, mul_l, cnst, mode); + DBG_OPT_ALGSIM2(oldn, a, n, FS_OPT_MINUS_MUL_C); return n; } } -- 2.20.1