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

VSUB (floating-point)

Floating-point subtract.

Syntax

VSUB{cond}.F32 {Sd}, Sn, Sm

VSUB{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 VSUB instruction subtracts the value in the second operand register from the value in the first operand register, and places the result in the destination register.

Floating-point exceptions

The VSUB instruction can produce Invalid Operation, Overflow, or Inexact exceptions.

Related reference

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