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_SmulAddHi_SW_SL

  • Article

9/7/2007

This ARM DSP-enhanced, signed-integer multiply-accumulate operation multiplies the top half of register Rm and the top half of register Rs, producing a 32-bit product. The operation then performs a 32-bit accumulation with Rn.

Syntax

int _SmulAddHi_SW_SL(
  int Arg1, 
  int Arg2,
  int Arg3
);

Parameters

  • Arg1
    The contents of Rn, the value added to the product of Arg2 and Arg3.
  • Arg2
    [in] The contents of Rm, the first term multiplied.
  • Arg3
    [in] The contents of Rs, the second term multiplied.

Return Values

The result of the multiplication and accumulation.

Remarks

The compiler translates this instruction into the smlatt assembly instruction.

Requirements

Routine Required header Architecture

_SmulAddHi_SW_SL

<armintr.h>

ARM10, ARM-DSP

See Also

Reference

ARM DSP-enhanced Intrinsic Functions
_SmulAddLo_SW_SL
_SmulAddHiLo_SW_SL
_SmulAddLoHi_SW_SL