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| author | Björn Gustavsson <[email protected]> | 2015-06-29 15:56:44 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2015-07-03 14:34:59 +0200 |
| commit | a52bd8a9ebece53c67024e3ad17a899c22cea2ec (patch) | |
| tree | 55775913d18ac2942a98b99c95a8369e6a4a9ff3 /erts/emulator | |
| parent | 0a4750f91c837d6a68b5a9ad58ffb1fe52b67d71 (diff) | |
| download | otp-a52bd8a9ebece53c67024e3ad17a899c22cea2ec.tar.gz otp-a52bd8a9ebece53c67024e3ad17a899c22cea2ec.tar.bz2 otp-a52bd8a9ebece53c67024e3ad17a899c22cea2ec.zip | |
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.
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/ops.tab | 23 |
1 files changed, 8 insertions, 15 deletions
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 |