C.SRAI

Compressed Shift Right Arithmetic Immediate

C.SRAI rd', imm

Arithmetically shifts a register right by immediate.

Encoding

Binary Layout

?

31:16

100

15:13

c_nzuimm6hi

12

01

11:10

rd_rs1_p

9:7

c_nzuimm6lo

6:2

01

1:0

 

Format CB

Opcode 0x00008401

Extension C

Operands

• rd'
  Dest/Source
• imm
  Shift Amount

Example

C.SRAI x8, 2

// x8 = x8 >>s 2

Related

More in C

Reference

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

Description

Arithmetic right shift of rd′ by a 5-bit immediate.

Operation

R[rd'] = R[rd'] >>s imm;