diff options
Diffstat (limited to 'erts/emulator/beam/ops.tab')
| -rw-r--r-- | erts/emulator/beam/ops.tab | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index d6feef3fb9..802c6fd1eb 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -60,12 +60,18 @@ func_info M=a a==am_module_info A=u==0 | label L | move n r => too_old_compiler func_info M=a a==am_module_info A=u==1 | label L | move n r => too_old_compiler # The undocumented and unsupported guard BIF is_constant/1 was removed -# in R13. The is_constant/2 operation is marked as obosolete in genop.tab, +# in R13. The is_constant/2 operation is marked as obsolete in genop.tab, # so the loader will automatically generate a too_old_compiler message # it is used, but we need to handle the is_constant/1 BIF specially here. bif1 Fail u$func:erlang:is_constant/1 Src Dst => too_old_compiler +# Since the constant pool was introduced in R12B, empty tuples ({}) +# are literals. Therefore we no longer need to allow put_tuple/2 +# with a tuple size of zero. + +put_tuple u==0 d => too_old_compiler + # # All the other instructions. # @@ -328,11 +334,8 @@ i_is_eq_immed f y c # Putting things. # -put_tuple u==0 Dst => i_put_tuple_only u Dst put_tuple Arity Dst | put V => i_put_tuple Arity V Dst -i_put_tuple_only A d - %macro: i_put_tuple PutTuple -pack i_put_tuple A x x i_put_tuple A y x |