GetCtrlSpr(ISASI)

Product	Supported
Atlas 350 Accelerator Card	√
Atlas A3 training product/Atlas A3 inference product	x
Atlas A2 training product/Atlas A2 inference product	x
Atlas 200I/500 A2 inference product	x
Atlas inference product AI Core	x
Atlas inference product Vector Core	x
Atlas training product	x

Reads the value of a specific bit in the CTRL register (control register).

template <int8_t startBit, int8_t endBit>
__aicore__ static inline int64_t GetCtrlSpr()

**Table 1** Template parameters
Parameter	Description
startBit	Start bit index.
endBit	End bit index.

Value of the corresponding bit in the CTRL register.

None

The following is an example of reading the value of CTRL[8:6].

int64_t value = AscendC::GetCtrlSpr<6, 8>();

Parent topic: TPosition