141     Register prevFpReg(X3);  in JSFunctionEntry()
153     __ Ldr(Register(X3), MemoryOperand(tmpArgV, FRAME_SLOT_SIZE));  in JSFunctionEntry()
208     Register codeAddr(X3);  in OptimizedCallAndPushUndefined()
398     Register callField(X3);  in JSCallInternal()
455         __ Ldr(Register(X3), MemoryOperand(sp, DOUBLE_SLOT_SIZE));  // get newtarget  in JSCallInternal()
552     Register jstype(X3, W);  in JSCallCheck()
660         __ Add(X3, fp, Immediate(4 * FRAME_SLOT_SIZE)); // 4: skip argc and func new this  in JSBoundFunctionCallInternal()
690     __ Add(X3, sp, Immediate(FRAME_SLOT_SIZE)); // get argv  in JSProxyCallInternal()
746     Register argv(X3);  in CallRuntimeWithArgv()
961     Register newTarget(X3);  in GenJSCallWithArgV()
1108     Register frameType(X3);  in DeoptHandlerAsm()
1118     Register argC(X3);  in DeoptHandlerAsm()