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-rw-r--r--erts/emulator/beam/instrs.tab17
1 files changed, 10 insertions, 7 deletions
diff --git a/erts/emulator/beam/instrs.tab b/erts/emulator/beam/instrs.tab
index 42c1168f85..da1dd3dc45 100644
--- a/erts/emulator/beam/instrs.tab
+++ b/erts/emulator/beam/instrs.tab
@@ -559,17 +559,19 @@ update_list(Hd, Dst) {
HTOP += 2;
}
-i_put_tuple := i_put_tuple.make.fill;
-
-i_put_tuple.make(Dst) {
- $Dst = make_tuple(HTOP);
-}
-
-i_put_tuple.fill(Arity) {
+put_tuple2(Dst, Arity) {
Eterm* hp = HTOP;
Eterm arity = $Arity;
+ /*
+ * If operands are not packed (in the 32-bit VM),
+ * is is not safe to use $Dst directly after I
+ * has been updated.
+ */
+ Eterm* dst_ptr = &($Dst);
+
//| -no_next
+ ASSERT(arity != 0);
*hp++ = make_arityval(arity);
I = $NEXT_INSTRUCTION;
do {
@@ -586,6 +588,7 @@ i_put_tuple.fill(Arity) {
break;
}
} while (--arity != 0);
+ *dst_ptr = make_tuple(HTOP);
HTOP = hp;
ASSERT(VALID_INSTR(* (Eterm *)I));
Goto(*I);