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_SmulAddHiLo_SW_SQ (Windows CE 5.0)

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This ARM DSP-enhanced, signed integer multiply-accumulate operation multiplies the top half of register Rm and the bottom half of Rs. This is followed with a 64 bit accumulate with the 32-bit registers RdLo and RdHi.

__int64 _SmulAddHiLo_SW_SQ(__int64Arg1,intArg2,intArg3); 

Parameters

  • Arg1
    Pointer to a 64-bit variable used to accumulate the contents of RdHi and RdLo.
  • Arg2
    [in] The contents of Rm, the first term in the product.
  • Arg3
    [in] The contents of Rs, the second term in the product.

Return Values

The long integer result of multiplication and accumulation.

Remarks

The compiler translates this instruction into the smlaltb assembly instruction.

Requirements

Header: Armintr.h.

See Also

ARM DSP-enhanced Intrinsic Functions | _SmulAddLo_SW_SQ | _SmulAddLoHi_SW_SQ | _SmulAddHi_SW_SQ

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