RDINSTRET

Read Instructions Retired

RDINSTRET rd

Reads the count of instructions retired (completed).

Encoding

Binary Layout

11000000001000000010

31:12

rd

11:7

1110011

6:0

 

Format I-Type

Opcode 0xC0202073

Extension Pseudo

Operands

• rd
  Destination register (integer)

Example

RDINSTRET x10

// Get instruction count.

Related

More in Pseudo

Reference

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

Description

RDINSTRET reads the instret CSR, which counts the number of instructions retired by the processor. It is an assembler pseudoinstruction for CSRRS rd, instret, x0.

Operation

R[rd] = CSR[instret];