2008-09-14 Maciej Stachowiak <mjs@apple.com>
Reviewed by Cameron Zwarich.
- split the "prototype" lookup for hasInstance into opcode stream so it can be cached
~5% speedup on v8 earley-boyer test
* API/JSCallbackObject.h: Add a parameter for the pre-looked-up prototype.
* API/JSCallbackObjectFunctions.h:
(JSC::::hasInstance): Ditto.
* API/JSValueRef.cpp:
(JSValueIsInstanceOfConstructor): Look up and pass in prototype.
* JavaScriptCore.exp:
* VM/CTI.cpp:
(JSC::CTI::privateCompileMainPass): Pass along prototype.
* VM/CodeBlock.cpp:
(JSC::CodeBlock::dump): Print third arg.
* VM/CodeGenerator.cpp:
(JSC::CodeGenerator::emitInstanceOf): Implement this, now that there
is a third argument.
* VM/CodeGenerator.h:
* VM/Machine.cpp:
(JSC::Machine::privateExecute): Pass along the prototype.
(JSC::Machine::cti_op_instanceof): ditto
* kjs/JSObject.cpp:
(JSC::JSObject::hasInstance): Expect to get a pre-looked-up prototype.
* kjs/JSObject.h:
* kjs/nodes.cpp:
(JSC::InstanceOfNode::emitCode): Emit a get_by_id of the prototype
property and pass that register to instanceof.
* kjs/nodes.h:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@36417 268f45cc-cd09-0410-ab3c-d52691b4dbfc
14 files changed
