C.NOT

Compressed Bitwise NOT

C.NOT rd'

Computes bitwise logical negation.

Encoding

Binary Layout

?

31:16

100111

15:10

rd_rs1_p

9:7

1110101

6:0

 

Format CR

Opcode 0x00009C75

Extension Zcb

Operands

• rd'
  Dest/Src

Related

More in Zcb

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

Bitwise logical NOT of rd′; writes to rd′ (Zcb). Equivalent to XORI rd′, -1.

Operation

R[rd'] = ~R[rd'];