C.BEQZ

Compressed Branch if Equal to Zero

C.BEQZ rs1', offset

Branches if the register is zero.

Encoding

Binary Layout

?

31:16

110

15:13

c_bimm9hi

12:10

rs1_p

9:7

c_bimm9lo

6:2

01

1:0

 

Format CB

Opcode 0x0000C001

Extension C

Operands

• rs1'
  Source
• offset
  Target

Example

C.BEQZ x8, exit

// Jump if x8 is 0.

Related

More in C

Reference

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

Description

Branches to an 8-bit PC-relative offset if rs1′ equals zero.

Operation

if (R[rs1'] == 0) PC += sext(offset);