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02-Feb-2011 |
Dan Bornstein <danfuzz@android.com> |
CodeReader visitor dispatch now uses OpcodeInfo.
This gets rid of the per-opcode Instruction array and just does a
simple switch. If it turns out that the switch has poor performance,
we can push the visitor abstraction down into IndexType.
The big change to OpcodeInfo is to make every Info instance always
have a non-null IndexType, exactly so it could be reliably switch()ed
on without having to do an explicit null check.
Change-Id: Iee8289f8766ce41c5043eec7212b2133ec71e682
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| 3c5df37a2df7368eb274eb097e9cfa2ccc7fffb6 |
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26-Jan-2011 |
Dan Bornstein <danfuzz@android.com> |
Basic facility to read/write bytecode.
These classes are meant for reading and writing bytecode at the lowest
possible level, in particular without layering any interpretation of
the instructions beyond understanding the instruction formats. (For
example, constant indices remain numbers and aren't tied to objects
representing constants.)
This patch represents a work-in-progress that compiles but is as yet
not hooked up to anything else. Hooking it all up will happen in
one or more follow-on patches.
Change-Id: Ifd3b3ff0925dc9dc3d82e507dc1be83cb560031d
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