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-rw-r--r--tcg/tcg-op.c2
-rw-r--r--tcg/tcg-op.h1
-rw-r--r--tcg/tcg.c20
-rw-r--r--tcg/tcg.h3
4 files changed, 25 insertions, 1 deletions
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 38652db32c..1bd7ef24af 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -240,6 +240,7 @@ void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1, TCGv_i32 arg2, TCGLabel *l)
if (cond == TCG_COND_ALWAYS) {
tcg_gen_br(l);
} else if (cond != TCG_COND_NEVER) {
+ l->refs++;
tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_arg(l));
}
}
@@ -1405,6 +1406,7 @@ void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1, TCGv_i64 arg2, TCGLabel *l)
if (cond == TCG_COND_ALWAYS) {
tcg_gen_br(l);
} else if (cond != TCG_COND_NEVER) {
+ l->refs++;
if (TCG_TARGET_REG_BITS == 32) {
tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1),
TCGV_HIGH(arg1), TCGV_LOW(arg2),
diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index db4e9188f4..7007ec0d4d 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -260,6 +260,7 @@ static inline void gen_set_label(TCGLabel *l)
static inline void tcg_gen_br(TCGLabel *l)
{
+ l->refs++;
tcg_gen_op1(INDEX_op_br, label_arg(l));
}
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 963cb37892..99afc65126 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--;
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 492d8dcf10..db2d91867f 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -244,7 +244,8 @@ typedef struct TCGRelocation {
typedef struct TCGLabel {
unsigned has_value : 1;
- unsigned id : 31;
+ unsigned id : 15;
+ unsigned refs : 16;
union {
uintptr_t value;
tcg_insn_unit *value_ptr;