SEQZ

Set if Equal to Zero

SEQZ rd, rs

Sets rd to 1 if rs is zero, otherwise 0.

Encoding

Binary Layout

000000000001

31:20

rs1

19:15

011

14:12

rd

11:7

0010011

6:0

 

Format I-Type

Opcode 0x00103013

Extension Pseudo

Operands

• rd
  Destination register (integer)
• rs
  Source

Example

SEQZ x5, x10

// Sets x5 to 1 if x10 is 0.

Related

More in Pseudo

Reference

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

Description

SEQZ writes 1 to rd if rs1 equals zero, and 0 otherwise. It is a pseudoinstruction for SLTIU rd, rs1, 1.

Operation

R[rd] = (R[rs] == 0) ? 1 : 0;