I am looking for quite some time a documentation for all the spidermonkey's bytecodes, or at least something that tells me in general what a bytecode's purpose is.
Does anyone can recommend such resource?
Thanks!
I know it's not a great story, but the best documentation we have (other than jsopcode.tbl, as Alex K. mentions) is the interpreter implementation (jsinterp.cpp). We've noted on several occasions that it would be helpful to newcomers to have a more formalized document, noting the stack state transitions and describing side effects. I've started one here:
https://developer.mozilla.org/en/SpiderMonkey/Bytecodes
Feel free to drop in on #jsapi on irc.mozilla.org to ask about any that you'd like to see documented specifically!