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[JAEGER] Common function for computing obj slot refs; improved regalloc on GETGLOBAL.

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This commit is contained in:
David Anderson
2010-05-30 14:37:18 -07:00
parent 833f9347f2
commit 7240763c5d
4 changed files with 31 additions and 19 deletions
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22
js/src/methodjit/Compiler.cpp
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@@ -422,15 +422,8 @@ mjit::Compiler::jsop_setglobal(uint32 index)
bool popped = PC[JSOP_SETGLOBAL_LENGTH] == JSOP_POP;
RegisterID reg = frame.allocReg();
if (slot < JS_INITIAL_NSLOTS) {
void *vp = &globalObj->getSlotRef(slot);
masm.move(ImmPtr(vp), reg);
frame.storeTo(fe, Address(reg, 0), popped);
} else {
masm.move(ImmPtr(&globalObj->dslots), reg);
masm.loadPtr(reg, reg);
frame.storeTo(fe, Address(reg, (slot - JS_INITIAL_NSLOTS) * sizeof(Value)), popped);
}
Address address = masm.objSlotRef(globalObj, reg, slot);
frame.storeTo(fe, address, popped);
frame.freeReg(reg);
}
@@ -441,16 +434,9 @@ mjit::Compiler::jsop_getglobal(uint32 index)
uint32 slot = script->getGlobalSlot(index);
RegisterID reg = frame.allocReg();
if (slot < JS_INITIAL_NSLOTS) {
void *vp = &globalObj->getSlotRef(slot);
masm.move(ImmPtr(vp), reg);
frame.push(Address(reg, 0));
} else {
masm.move(ImmPtr(&globalObj->dslots), reg);
masm.loadPtr(reg, reg);
frame.push(Address(reg, (slot - JS_INITIAL_NSLOTS) * sizeof(Value)));
}
Address address = masm.objSlotRef(globalObj, reg, slot);
frame.freeReg(reg);
frame.push(address);
}
void