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| author | Björn Gustavsson <[email protected]> | 2010-12-10 07:57:01 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2011-01-17 15:23:47 +0100 |
| commit | 51ddd2047c70bce67c8644d85f5d5de72842c320 (patch) | |
| tree | 70480b071d450b925d6dd87bfa9af3b62bc88c4c /erts/emulator/beam/ops.tab | |
| parent | 40dd4f87b3567d087bbcb071404b871af3601241 (diff) | |
| download | otp-51ddd2047c70bce67c8644d85f5d5de72842c320.tar.gz otp-51ddd2047c70bce67c8644d85f5d5de72842c320.tar.bz2 otp-51ddd2047c70bce67c8644d85f5d5de72842c320.zip | |
Combine a move + jump sequence into the move_jump instruction
That will save one word and small amount of time for
each occurrence.
Diffstat (limited to 'erts/emulator/beam/ops.tab')
| -rw-r--r-- | erts/emulator/beam/ops.tab | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 9b3d1da018..ac63b352ef 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -279,6 +279,14 @@ system_limit j move R R => +move C=cxy r | jump Lbl => move_jump Lbl C + +%macro: move_jump MoveJump -nonext +move_jump f n +move_jump f c +move_jump f x +move_jump f y + move X1=x Y1=y | move X2=x Y2=y => move2 X1 Y1 X2 Y2 move Y1=y X1=x | move Y2=y X2=x => move2 Y1 X1 Y2 X2 move X1=x X2=x | move X3=x X4=x => move2 X1 X2 X3 X4 |