From d88a117eaa39b1d0eb1a79fe84c81840a39eb233 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 26 Nov 2018 12:47:28 -0800 Subject: tcg: Reference count labels Increment when adding branches, and decrement when removing them. Reviewed-by: Emilio G. Cota Signed-off-by: Richard Henderson --- tcg/tcg.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'tcg/tcg.c') diff --git a/tcg/tcg.c b/tcg/tcg.c index 963cb37..99afc65 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -2171,6 +2171,26 @@ static void process_op_defs(TCGContext *s) void tcg_op_remove(TCGContext *s, TCGOp *op) { + TCGLabel *label; + + switch (op->opc) { + case INDEX_op_br: + label = arg_label(op->args[0]); + label->refs--; + break; + case INDEX_op_brcond_i32: + case INDEX_op_brcond_i64: + label = arg_label(op->args[3]); + label->refs--; + break; + case INDEX_op_brcond2_i32: + label = arg_label(op->args[5]); + label->refs--; + break; + default: + break; + } + QTAILQ_REMOVE(&s->ops, op, link); QTAILQ_INSERT_TAIL(&s->free_ops, op, link); s->nb_ops--; -- cgit v1.1