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ARM Compiler armasm User Guide : VNMLA (floating-point)

VNMLA (floating-point)

Floating-point multiply accumulate with negation.

Syntax

VNMLA{cond}.F32 Sd, Sn, Sm

VNMLA{cond}.F64 Dd, Dn, Dm

where:

cond

is an optional condition code.

Sd, Sn, Sm

are the single-precision registers for the result and operands.

Dd, Dn, Dm

are the double-precision registers for the result and operands.

Operation

The VNMLA instruction multiplies the values in the operand registers, adds the value to the destination register, and places the negated final result in the destination register.

Floating-point exceptions

This instruction can produce Invalid Operation, Overflow, Underflow, Inexact, or Input Denormal exceptions.

Related reference

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