PM0214 datasheet(166/245 Pages) STMICROELECTRONICS

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The STM32 Cortex-M4 instruction set

PM0214

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DocID022708 Rev 4

3.10.24

VPOP

Floating-point extension register Pop.

Syntax

VPOP{cond}{.size} list

where:

•

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

•

‘size’ is an optional data size specifier. If present, it must be equal to the size in bits, 32

or 64, of the registers in list.

•

‘list’ is a list of extension registers to be loaded, as a list of consecutively numbered

doubleword or singleword registers, separated by commas and surrounded by

brackets.

Operation

This instruction loads multiple consecutive extension registers from the stack.

Restrictions

The list must contain at least one register, and not more than sixteen registers.

Condition flags

These instructions do not change the flags.

3.10.25

VPUSH

Floating-point extension register Push.

Syntax

VPUSH{cond}{.size} list

where:

•

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

•

‘size’ is an optional data size specifier. If present, it must be equal to the size in bits, 32

or 64, of the registers in list.

•

‘list’ is a list of the extension registers to be stored, as a list of consecutively numbered

doubleword or singleword registers, separated by commas and surrounded by

brackets.

Operation

This instruction stores multiple consecutive extension registers to the stack.

Restrictions

The restrictions are list must contain at least one register, and not more than sixteen.

Condition flags

These instructions do not change the flags.

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