From a52bd8a9ebece53c67024e3ad17a899c22cea2ec Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Mon, 29 Jun 2015 15:56:44 +0200 Subject: Ensure that the move_call_ext_{last,only} instructions are used Update transformations to ensure that the move_call_ext_last and move_call_ext_last are used. --- erts/emulator/beam/ops.tab | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 386de0a658..18202a4200 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -76,17 +76,6 @@ return # with the following call instruction, we need to make sure that # there is no line/1 instruction between the move and the call. # - -move S X0=x==0 | line Loc | call_ext Ar Func => \ - line Loc | move S X0 | call_ext Ar Func -move S X0=x==0 | line Loc | call_ext_last Ar Func=u$is_bif D => \ - line Loc | move S X0 | call_ext_last Ar Func D -move S X0=x==0 | line Loc | call_ext_only Ar Func=u$is_bif => \ - line Loc | move S X0 | call_ext_only Ar Func -move S X0=x==0 | line Loc | call Ar Func => \ - line Loc | move S X0 | call Ar Func - -# # A tail-recursive call to an external function (non-BIF) will # never be saved on the stack, so there is no reason to keep # the line instruction. (The compiler did not remove the line @@ -94,10 +83,14 @@ move S X0=x==0 | line Loc | call Ar Func => \ # BIFs and ordinary Erlang functions.) # -line Loc | call_ext_last Ar Func=u$is_not_bif D => \ - call_ext_last Ar Func D -line Loc | call_ext_only Ar Func=u$is_not_bif => \ - call_ext_only Ar Func +move S X0=x==0 | line Loc | call_ext Ar Func => \ + line Loc | move S X0 | call_ext Ar Func +move S X0=x==0 | line Loc | call_ext_last Ar Func=u$is_not_bif D => \ + move S X0 | call_ext_last Ar Func D +move S X0=x==0 | line Loc | call_ext_only Ar Func=u$is_not_bif => \ + move S X0 | call_ext_only Ar Func +move S X0=x==0 | line Loc | call Ar Func => \ + line Loc | move S X0 | call Ar Func line Loc | func_info M F A => func_info M F A | line Loc -- cgit v1.2.3