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

193

SAM4E [DATASHEET]

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

Multiplies two floating-point values, and accumulates or subtracts the results.

Syntax

VLMA{cond}.F32 Sd, Sn, Sm

VLMS{cond}.F32 Sd, Sn, Sm

where:

cond

is an optional condition code, see 

.

Sd

is the destination floating-point value.

Sn, Sm

are the operand floating-point values.

Operation

The floating-point Multiply Accumulate instruction:

1.

Multiplies two floating-point values.

2.

Adds the results to the destination floating-point value.

The floating-point Multiply Subtract instruction:

1.

Multiplies two floating-point values.

2.

Subtracts the products from the destination floating-point value.

3.

Places the results in the destination register.

Restrictions

There are no restrictions.

Condition Flags

These instructions do not change the flags.