Documentation for 5.2 VM instructions.
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- Subject: Documentation for 5.2 VM instructions.
- From: Lorenzo Donati <lorenzodonatibz@...>
- Date: 2011年9月21日 06:55:01 +0200
Hi all and especially KHMan!
Is there already a "No-Frills Introduction to Lua 5.1 VM Instructions"
for 5.2 VM [1] or any equivalent higher level documentation (higher than
browsing the source, I mean)?
Or at least a document describing the differences between 5.1 and 5.2
that can be found when browsing a VM listing?
Playing with luac listings in 5.2 I noticed a GETTABUP mnemonic. Any
more differences?
On a related note, out of curiosity I wonder if there is something like
an "assembler" targeting Lua VM. I know Lua VM specification is a Lua
implementation detail, but I'm curious to know if someone has tried this
way to enhance the performance of Lua in time-critical code (assuming
that hand-crafted Lua bytecode could squeeze some cycles out of the VM).
Any pointer appreciated!
Thanks.
-- Lorenzo
[1] I assume that at this stage (5.2 beta) the VM instruction set has
been frozen; of course if I'm wrong I understand it's too soon to look
for updated documentation.