diff options
| -rw-r--r-- | lib/compiler/src/beam_bool.erl | 4 | ||||
| -rw-r--r-- | lib/compiler/test/beam_bool_SUITE.erl | 35 |
2 files changed, 35 insertions, 4 deletions
diff --git a/lib/compiler/src/beam_bool.erl b/lib/compiler/src/beam_bool.erl index f9a08f8718..359fdb6d3c 100644 --- a/lib/compiler/src/beam_bool.erl +++ b/lib/compiler/src/beam_bool.erl @@ -238,9 +238,9 @@ extend_block(BlAcc0, Fail, [{block,Is0}|OldAcc]) -> end; extend_block(BlAcc, _, OldAcc) -> {BlAcc,OldAcc}. -extend_block_1([{set,[_],_,{bif,_,{f,Fail}}}=I|Is], Fail, Acc) -> +extend_block_1([{set,[{x,_}],_,{bif,_,{f,Fail}}}=I|Is], Fail, Acc) -> extend_block_1(Is, Fail, [I|Acc]); -extend_block_1([{set,[_],As,{bif,Bif,_}}=I|Is]=Is0, Fail, Acc) -> +extend_block_1([{set,[{x,_}],As,{bif,Bif,_}}=I|Is]=Is0, Fail, Acc) -> case safe_bool_op(Bif, length(As)) of false -> {Acc,reverse(Is0)}; true -> extend_block_1(Is, Fail, [I|Acc]) diff --git a/lib/compiler/test/beam_bool_SUITE.erl b/lib/compiler/test/beam_bool_SUITE.erl index 413d03b0ff..84d634e5ca 100644 --- a/lib/compiler/test/beam_bool_SUITE.erl +++ b/lib/compiler/test/beam_bool_SUITE.erl @@ -22,7 +22,7 @@ -export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1, init_per_group/2,end_per_group/2, before_and_inside_if/1, - scotland/1]). + scotland/1,y_registers/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. @@ -34,7 +34,8 @@ all() -> groups() -> [{p,[parallel], [before_and_inside_if, - scotland + scotland, + y_registers ]}]. init_per_suite(Config) -> @@ -127,3 +128,33 @@ do_scotland(Echo) -> Echo = placed). found(_, _) -> million. + + +%% ERL-143: beam_bool could not handle Y registers as a destination. +y_registers(_Config) -> + {'EXIT',{badarith,[_|_]}} = (catch baker(valentine)), + {'EXIT',{badarith,[_|_]}} = (catch baker(clementine)), + + {not_ok,true} = potter([]), + {ok,false} = potter([{encoding,any}]), + + ok. + +%% Thanks to Quickcheck. +baker(Baker) -> + (valentine == Baker) + + case Baker of + Baker when Baker; Baker -> + Baker; + Baker -> + [] + end. + +%% Thanks to Jose Valim. +potter(Modes) -> + Raw = lists:keyfind(encoding, 1, Modes) == false, + Final = case Raw of + X when X == false; X == nil -> ok; + _ -> not_ok + end, + {Final,Raw}. |