Техническая Спецификация для Atmel Evaluation Kit for the SAM4E Series of Flash Microcontrollers ATSAM4E-EK ATSAM4E-EK
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Модели
ATSAM4E-EK
193
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
12.6.11.12 VLMA, VLMS
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.