Arm VERSION 1.2 Instrukcja Użytkownika Pobierz pdf (Strona 260)

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101

Vector Floating-point Programming

6.7.6 FDIV

Floating-point divide.

FDIV

can be scalar, vector, or mixed (see Vector and scalar

operations on page 6-7).

Syntax

FDIV<precision>{cond} Fd, Fn, Fm

where:

must be either

for single-precision, or

for double-precision.

cond

is an optional condition code (see VFP and condition codes on page 6-8).

is the VFP register for the result.

is the VFP register holding the first operand.

is the VFP register holding the second operand.

The precision of

and

must match the precision specified in

Usage

The

FDIV

instruction divides the value in

by the value in

and places the result in

Exceptions

FDIV

operations can produce Division by Zero, Invalid Operation, Overflow, Underflow,

or Inexact exceptions.

Examples

FDIVS s8, s0, s12

FDIVSNE s2, s27, s28

FDIVD d10, d2, d10

1 2 ... 255 256 257 258 259 260 261 262 263 264 265 ... 359 360

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