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| author | Björn Gustavsson <[email protected]> | 2010-12-07 16:04:05 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2011-01-17 15:23:46 +0100 |
| commit | b166f8975387d7ef07409e841d45c2cd74c2282e (patch) | |
| tree | 71d131ef1b7b3578db18ef22844b9909143fb001 /erts/emulator/beam/ops.tab | |
| parent | bc0a998391ce2720f2c6099c809a45094d099fbd (diff) | |
| download | otp-b166f8975387d7ef07409e841d45c2cd74c2282e.tar.gz otp-b166f8975387d7ef07409e841d45c2cd74c2282e.tar.bz2 otp-b166f8975387d7ef07409e841d45c2cd74c2282e.zip | |
Introduce a special instruction for select_val with two values
The new instruction will save one word (because no size operand
is needed), and is slightly faster.
Handle select_tuple_arity in the same way.
Diffstat (limited to 'erts/emulator/beam/ops.tab')
| -rw-r--r-- | erts/emulator/beam/ops.tab | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 04e2e72b0d..6db55e1402 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -160,6 +160,15 @@ select_tuple_arity S=d Fail=f Size=u Rest=* => \ i_select_val r f I i_select_val x f I i_select_val y f I + +i_select_val2 r f c f c f +i_select_val2 x f c f c f +i_select_val2 y f c f c f + +i_select_tuple_arity2 r f A f A f +i_select_tuple_arity2 x f A f A f +i_select_tuple_arity2 y f A f A f + i_select_tuple_arity r f I i_select_tuple_arity x f I i_select_tuple_arity y f I |