PM0214 datasheet(159/245 Pages) STMICROELECTRONICS

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PM0214

The STM32 Cortex-M4 instruction set

244

3.10.14

VMOV register

Copies the contents of one register to another.

Syntax

VMOV{cond}.F64 Dd, Dm

VMOV{cond}.F32 Sd, Sm

where:

•

‘cond’ is an optional condition code, see Conditional execution on page 64.

•

‘Dd’ is the destination register, for a doubleword operation.

•

‘Dm’ is the source register, for a doubleword operation.

•

‘Sd’ is the destination register, for a singleword operation.

•

‘Sm’ is the source register, for a singleword operation.

Operation

This instruction copies the contents of one floating-point register to another.

Restrictions

There are no restrictions

Condition flags

These instructions do not change the flags.

3.10.15

VMOV scalar to ARM core register

Transfers one word of a doubleword floating-point register to an ARM core register.

Syntax

VMOV{cond} Rt, Dn[x]

where:

•

‘cond’ is an optional condition code, see Conditional execution on page 64.

•

‘Rt’ is the destination ARM core register.

•

‘Dn’ is the 64-bit doubleword register.

•

‘x’ Specifies which half of the doubleword register to use:

If x is 0, use lower half, if x is 1, use upper half.

Operation

This instruction transfers one word from the upper or lower half of a doubleword floating-

point register to an ARM core register.

Restrictions

Rt cannot be PC or SP.

Condition flags

These instructions do not change the flags.

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