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-rw-r--r--lib/hipe/icode/hipe_beam_to_icode.erl11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/hipe/icode/hipe_beam_to_icode.erl b/lib/hipe/icode/hipe_beam_to_icode.erl
index 8e7e56b6c4..42e4ead169 100644
--- a/lib/hipe/icode/hipe_beam_to_icode.erl
+++ b/lib/hipe/icode/hipe_beam_to_icode.erl
@@ -1204,6 +1204,17 @@ trans_fun([{bs_get_position=Name,_,_,_}|_Instructions], _Env) ->
trans_fun([{bs_set_position=Name,_,_}|_Instructions], _Env) ->
nyi(Name);
%%--------------------------------------------------------------------
+%% New instructions added in OTP 23.
+%%--------------------------------------------------------------------
+%%--- swap ---
+trans_fun([{swap,Reg1,Reg2}|Instructions], Env) ->
+ Var1 = mk_var(Reg1),
+ Var2 = mk_var(Reg2),
+ Temp = mk_var(new),
+ [hipe_icode:mk_move(Temp, Var1),
+ hipe_icode:mk_move(Var1, Var2),
+ hipe_icode:mk_move(Var2, Temp) | trans_fun(Instructions, Env)];
+%%--------------------------------------------------------------------
%%--- ERROR HANDLING ---
%%--------------------------------------------------------------------
trans_fun([X|_], _) ->