Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet

209

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

Floating-point Store.

Syntax

VSTR{cond}{.32} Sd, [Rn{, #imm}]

VSTR{cond}{.64} Dd, [Rn{, #imm}]

where

cond

is an optional condition code, see 

.

32, 64

are the optional data size specifiers.

Sd

is the source register for a singleword store.

Dd

is the source register for a doubleword store.

Rn

is the base register. The SP can be used.

imm

is the + or - immediate offset used to form the address. Values are multiples of 4
in the range 0–1020. imm can be omitted, meaning an offset of +0.

Operation

This instruction:



Stores a single extension register to memory, using an address from an ARM core register, with an optional 
offset, defined in imm.

Restrictions

The restrictions are:



The use of PC for Rn is deprecated.

Condition Flags

These instructions do not change the flags.