diff options
| -rw-r--r-- | lib/compiler/src/v3_codegen.erl | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl index 1f05b4f6b4..948937c438 100644 --- a/lib/compiler/src/v3_codegen.erl +++ b/lib/compiler/src/v3_codegen.erl @@ -1190,7 +1190,12 @@ trap_bif(_, _, _) -> false. bif_cg(bs_context_to_binary=Instr, [Src0], [], Le, Vdb, Bef, St0) -> [Src] = cg_reg_args([Src0], Bef), - {[{Instr,Src}],clear_dead(Bef, Le#l.i, Vdb), St0}; + case is_register(Src) of + false -> + {[],clear_dead(Bef, Le#l.i, Vdb), St0}; + true -> + {[{Instr,Src}],clear_dead(Bef, Le#l.i, Vdb), St0} + end; bif_cg(dsetelement, [Index0,Tuple0,New0], _Rs, Le, Vdb, Bef, St0) -> [New,Tuple,{integer,Index1}] = cg_reg_args([New0,Tuple0,Index0], Bef), Index = Index1-1, @@ -2019,6 +2024,10 @@ fetch_stack(V, [_|Stk], I) -> fetch_stack(V, Stk, I+1). on_stack(V, Stk) -> keymember(V, 1, Stk). +is_register({x,_}) -> true; +is_register({yy,_}) -> true; +is_register(_) -> false. + %% put_catch(CatchTag, Stack) -> Stack' %% drop_catch(CatchTag, Stack) -> Stack' %% Special interface for putting and removing catch tags, to ensure that |