vpush

Vector Push (VFP)

VPUSH <list>

Pushes VFP registers to the stack (Alias for VSTMDB SP!).

Pseudocode Operation

address ← SP; for each register in list (in descending order): address ← address - 4 or 8 (depending on register width); [address] ← register; SP ← address;

Example

VPUSH {r0-r3

Encoding

Binary Layout

cond

31:28

110

27:25

1

24

0

23

D

22

1

21

0

20

1101

19:16

Vd

15:12

10

11:10

10

9:8

imm8

7:0

 

Format VFP Store Multiple

Opcode 0x0D2D0A00

Extension VFP (Float)

Operands

• list
  Register List

Related

More in VFP (Float)

Reference

View in Arm A64 ISA Reference ↗ Arm AArch32 ISA

Instruction Forms

Encoding	Instruction		ISA		Bit pattern
0x0D2D0B00	VPUSH{<c>}{<q>}{.<size>} <dreglist>		A32		cond | 110 | 1 | 0 | D | 1 | 0 | 1101 | Vd | 10 | 11 | imm8<7:1> | 0
0x0D2D0A00	VPUSH{<c>}{<q>}{.<size>} <sreglist>		A32		cond | 110 | 1 | 0 | D | 1 | 0 | 1101 | Vd | 10 | 10 | imm8
0xED2D0B00	VPUSH{<c>}{<q>}{.<size>} <dreglist>		T32		1110110 | 1 | 0 | D | 1 | 0 | 1101 | Vd | 10 | 11 | imm8<7:1> | 0
0xED2D0A00	VPUSH{<c>}{<q>}{.<size>} <sreglist>		T32		1110110 | 1 | 0 | D | 1 | 0 | 1101 | Vd | 10 | 10 | imm8

Description

Push SIMD&FP registers to stack stores multiple consecutive registers from the Advanced SIMD and floating-point register file to the stack.