Bug 752015 - Remove MethodJIT-inl.h. r=bhackett

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 * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released

 * May 28, 2008.

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 *   Brendan Eich <brendan@mozilla.org>

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 *   David Anderson <danderson@mozilla.com>

 *   David Mandelin <dmandelin@mozilla.com>

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#if !defined jsjaeger_methodjit_inl_h__ && defined JS_METHODJIT

#define jsjaeger_methodjit_inl_h__

namespace js {

namespace mjit {

enum CompileRequest

{

    CompileRequest_Interpreter,

    CompileRequest_JIT

};

/*

 * We wait before compiling a function with Type Inference to allow more gathering 

 * of type information and less recompilation.

 */

static const size_t USES_BEFORE_COMPILE = 16;

static const size_t INFER_USES_BEFORE_COMPILE = 40;

static inline CompileStatus

CanMethodJIT(JSContext *cx, JSScript *script, bool construct, CompileRequest request)

{

    if (!cx->methodJitEnabled)

        return Compile_Abort;

    JITScriptStatus status = script->getJITStatus(construct);

    if (status == JITScript_Invalid)

        return Compile_Abort;

    if (request == CompileRequest_Interpreter && status == JITScript_None &&

        !cx->hasRunOption(JSOPTION_METHODJIT_ALWAYS) &&

        (cx->typeInferenceEnabled()

         ? script->incUseCount() <= INFER_USES_BEFORE_COMPILE

         : script->incUseCount() <= USES_BEFORE_COMPILE))

    {

        return Compile_Skipped;

    }

    if (status == JITScript_None)

        return TryCompile(cx, script, construct);

    return Compile_Okay;

}

/*

 * Called from a backedge in the interpreter to decide if we should transition to the

 * methodjit. If so, we compile the given function.

 */

static inline CompileStatus

CanMethodJITAtBranch(JSContext *cx, JSScript *script, StackFrame *fp, jsbytecode *pc)

{

    if (!cx->methodJitEnabled)

        return Compile_Abort;

    JITScriptStatus status = script->getJITStatus(fp->isConstructing());

    if (status == JITScript_Invalid)

        return Compile_Abort;

    if (status == JITScript_None && !cx->hasRunOption(JSOPTION_METHODJIT_ALWAYS)) {

        if ((cx->typeInferenceEnabled())

             ? script->incUseCount() <= INFER_USES_BEFORE_COMPILE

             : script->incUseCount() <= USES_BEFORE_COMPILE) {

            return Compile_Skipped;

        }

    }

    if (status == JITScript_None)

        return TryCompile(cx, fp->script(), fp->isConstructing());

    return Compile_Okay;

}

}

}

#endif