cfinv

Condition Flag Invert

CFINV

Inverts the C (Carry) flag.

Pseudocode Operation

C ← NOT C

Encoding

Binary Layout

1101010100000

31:19

000

18:16

0100

15:12

0000

11:8

000

7:5

11111

4:0

 

Format System

Opcode 0xD500401F

Extension FEAT_FlagM

Operands

Related

More in FEAT_FlagM

Reference

View in Arm A64 ISA Reference ↗ Arm A64 ISA

Instruction Forms

Encoding	Instruction		ISA		Bit pattern
0xD500401F	CFINV		A64		1101010100000 | 000 | 0100 | 0000 | 000 | 11111

Description

Invert Carry Flag. This instruction inverts the value of the PSTATE.C flag.

Operation

PSTATE.C = NOT(PSTATE.C);