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[JAEGER] Precursor SETPROP IC work - shimmy top of stack down.

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This commit is contained in:
David Anderson
2010-06-21 19:34:18 -07:00
parent 63513eca81
commit 219e584487
5 changed files with 36 additions and 9 deletions
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36
js/src/methodjit/Compiler.cpp
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@@ -1020,8 +1020,11 @@ mjit::Compiler::generateMethod()
jsop_bindname(fullAtomIndex(PC));
END_CASE(JSOP_BINDNAME)
BEGIN_CASE(JSOP_SETNAME)
BEGIN_CASE(JSOP_SETPROP)
jsop_setprop(fullAtomIndex(PC));
END_CASE(JSOP_SETPROP)
BEGIN_CASE(JSOP_SETNAME)
BEGIN_CASE(JSOP_SETMETHOD)
{
JSAtom *atom = script->getAtom(fullAtomIndex(PC));
@@ -1029,12 +1032,6 @@ mjit::Compiler::generateMethod()
masm.move(ImmPtr(atom), Registers::ArgReg1);
stubCall(stubs::SetName, Uses(2), Defs(1));
JS_STATIC_ASSERT(JSOP_SETNAME_LENGTH == JSOP_SETPROP_LENGTH);
if (JSOp(PC[JSOP_SETNAME_LENGTH]) == JSOP_POP &&
!analysis[&PC[JSOP_SETNAME_LENGTH]].nincoming) {
frame.popn(2);
PC += JSOP_SETNAME_LENGTH + JSOP_POP_LENGTH;
break;
}
frame.popn(2);
frame.pushSynced();
}
@@ -1817,6 +1814,17 @@ mjit::Compiler::emitStubCmpOp(BoolStub stub, jsbytecode *target, JSOp fused)
}
}
void
mjit::Compiler::jsop_setprop_slow(uint32 atomIndex)
{
JSAtom *atom = script->getAtom(atomIndex);
prepareStubCall();
masm.move(ImmPtr(atom), Registers::ArgReg1);
stubCall(stubs::SetName, Uses(2), Defs(1));
JS_STATIC_ASSERT(JSOP_SETNAME_LENGTH == JSOP_SETPROP_LENGTH);
frame.shimmy(1);
}
void
mjit::Compiler::jsop_getprop_slow()
{
@@ -1951,12 +1959,24 @@ mjit::Compiler::jsop_getprop(uint32 atomIndex)
pics.append(pic);
}
void
mjit::Compiler::jsop_setprop(uint32 atomIndex)
{
jsop_setprop_slow(atomIndex);
}
#else /* ENABLE_PIC */
void
mjit::Compiler::jsop_getprop(uint32 atomIndex)
{
jsop_getprop_slow();
jsop_getprop_slow(atomIndex);
}
void
mjit::Compiler::jsop_setprop(uint32 atomIndex)
{
jsop_setprop_slow(atomIndex);
}
#endif