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_SmulAddLo_SW_SL

  • Article

9/7/2007

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

Syntax

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

Parameters

  • Arg1
    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 multiplication and accumulation.

Remarks

The compiler translates this instruction into the smlabb assembly instruction.

Requirements

Routine Required header Architecture

_SmulAddLo_SW_SL

<armintr.h>

ARM10, ARM-DSP

See Also

Reference

ARM DSP-enhanced Intrinsic Functions
_SmulAddHi_SW_SL
_SmulAddHiLo_SW_SL
_SmulAddLoHi_SW_SL