MAX

Maximum

MAX rd, rs1, rs2

Computes the signed maximum of two registers.

Encoding

Binary Layout

0000101

31:25

rs2

24:20

rs1

19:15

110

14:12

rd

11:7

0110011

6:0

 

Format R-Type

Opcode 0x0A006033

Extension Zbb

Operands

• rd
  Destination register (integer)
• rs1
  Source register 1 (integer)
• rs2
  Source register 2 (integer)

Example

MAX x10, x11, x12

// Signed Max.

Related

More in Zbb

Reference

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

Description

MAX computes the signed maximum of rs1 and rs2, writing the result to rd.

Operation

R[rd] = (R[rs1] >s R[rs2]) ? R[rs1] : R[rs2];