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| author | Björn-Egil Dahlberg <[email protected]> | 2015-04-24 16:43:04 +0200 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2015-04-27 10:50:15 +0200 |
| commit | dd4d7667f5ab60c76567a6f3d814b3b64583280a (patch) | |
| tree | 14d8b61e5a4ee3c5bdc88f7cfe88f6ca612064ac | |
| parent | b58b4718012cfb848dad3106b2ab22c08997c639 (diff) | |
| download | otp-dd4d7667f5ab60c76567a6f3d814b3b64583280a.tar.gz otp-dd4d7667f5ab60c76567a6f3d814b3b64583280a.tar.bz2 otp-dd4d7667f5ab60c76567a6f3d814b3b64583280a.zip | |
erts: Add move2 specialization for common move patterns
Common pattern seen in SSL:
move y x | move r x -> move2
move r x | move y x -> move2
Common pattern seen in SSL and Compiler:
move x r | move x x -> move2
| -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 7f7b0baacc..22c7f14f0c 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -330,9 +330,13 @@ 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 +move S1=x S2=r | move S3=x S4=x => move2 S1 S2 S3 S4 move S1=x S2=r | move X1=x Y1=y => move2 S1 S2 X1 Y1 move S1=y S2=r | move X1=x Y1=y => move2 S1 S2 X1 Y1 +move Y1=y X1=x | move S1=r D1=x => move2 Y1 X1 S1 D1 +move S1=r D1=x | move Y1=y X1=x => move2 S1 D1 Y1 X1 + move2 X1=x Y1=y X2=x Y2=y | move X3=x Y3=y => move3 X1 Y1 X2 Y2 X3 Y3 move2 Y1=y X1=x Y2=y X2=x | move Y3=y X3=x => move3 Y1 X1 Y2 X2 Y3 X3 move2 X1=x X2=x X3=x X4=x | move X5=x X6=x => move3 X1 X2 X3 X4 X5 X6 @@ -348,10 +352,14 @@ move2 x y x y move2 y x y x move2 x x x x +move2 x r x x + move2 x r x y move2 r y x y move2 y r x y +move2 r x y x +move2 y x r x %macro: move3 Move3 move3 x y x y x y |