diff options
| -rw-r--r-- | erts/emulator/beam/instrs.tab | 10 | ||||
| -rw-r--r-- | erts/emulator/beam/ops.tab | 4 |
2 files changed, 14 insertions, 0 deletions
diff --git a/erts/emulator/beam/instrs.tab b/erts/emulator/beam/instrs.tab index 29e8c29105..5ee98fef02 100644 --- a/erts/emulator/beam/instrs.tab +++ b/erts/emulator/beam/instrs.tab @@ -797,6 +797,16 @@ test_arity(Fail, Pointer, Arity) { } } +test_arity_get_tuple_element(Fail, Pointer, Arity, Pos, Dst) { + Eterm* ptr = tuple_val($Pointer); + Eterm* src; + if (*ptr != $Arity) { + $FAIL($Fail); + } + src = ADD_BYTE_OFFSET(ptr, $Pos); + $Dst = *src; +} + i_is_eq_exact_immed(Fail, X, Y) { if ($X != $Y) { $FAIL($Fail); diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 96cdabaf5e..e0a947a512 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -623,9 +623,13 @@ is_tuple f? rxy test_arity Fail Literal=q Arity => move Literal x | test_arity Fail x Arity test_arity Fail=f c Arity => jump Fail +test_arity Fail Tuple=x Arity | get_tuple_element Tuple Pos Dst=x => \ + test_arity_get_tuple_element Fail Tuple Arity Pos Dst test_arity f? xy A +test_arity_get_tuple_element f? x A P x + get_tuple_element Reg=x P1 D1=x | get_tuple_element Reg=x P2 D2=x | \ get_tuple_element Reg=x P3 D3=x | \ succ(P1, P2) | succ(P2, P3) | \ |