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[JAEGER] PIC for JSOP_BINDNAME.

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This commit is contained in:
David Anderson
2010-07-05 01:12:18 -07:00
parent d92f2be57e
commit 4f47b797ad
4 changed files with 221 additions and 26 deletions
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54
js/src/methodjit/Compiler.cpp
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@@ -2368,6 +2368,40 @@ mjit::Compiler::jsop_name(JSAtom *atom)
pics.append(pic);
}
void
mjit::Compiler::jsop_bindname(uint32 index)
{
PICGenInfo pic(ic::PICInfo::BIND);
pic.shapeReg = frame.allocReg();
pic.objReg = frame.allocReg();
pic.typeReg = Registers::ReturnReg;
pic.atom = script->getAtom(index);
pic.hasTypeCheck = false;
pic.hotPathBegin = masm.label();
Address parent(pic.objReg, offsetof(JSObject, fslots) + JSSLOT_PARENT * sizeof(jsval));
masm.loadData32(Address(JSFrameReg, offsetof(JSStackFrame, scopeChain)), pic.objReg);
pic.shapeGuard = masm.label();
Jump j = masm.branchPtr(Assembler::NotEqual, masm.payloadOf(parent), ImmPtr(0));
{
pic.slowPathStart = stubcc.masm.label();
stubcc.linkExit(j);
stubcc.leave();
stubcc.masm.move(Imm32(pics.length()), Registers::ArgReg1);
pic.callReturn = stubcc.call(ic::BindName);
}
pic.storeBack = masm.label();
frame.pushTypedPayload(JSVAL_TYPE_OBJECT, pic.objReg);
frame.freeReg(pic.shapeReg);
stubcc.rejoin(1);
pics.append(pic);
}
#else /* ENABLE_PIC */
void
@@ -2395,6 +2429,26 @@ mjit::Compiler::jsop_setprop(JSAtom *atom)
{
jsop_setprop_slow(atom);
}
void
mjit::Compiler::jsop_bindname(uint32 index)
{
RegisterID reg = frame.allocReg();
Address scopeChain(JSFrameReg, offsetof(JSStackFrame, scopeChain));
masm.loadData32(scopeChain, reg);
Address address(reg, offsetof(JSObject, fslots) + JSSLOT_PARENT * sizeof(jsval));
Jump j = masm.branchPtr(Assembler::NotEqual, masm.payloadOf(address), ImmPtr(0));
stubcc.linkExit(j);
stubcc.leave();
stubcc.call(stubs::BindName);
frame.pushTypedPayload(JSVAL_TYPE_OBJECT, reg);
stubcc.rejoin(1);
}
#endif
void