# `bgtz`

[RISC-V Documentation](https://asm-editor.specy.app/documentation/risc-v.md) › [Instructions](https://asm-editor.specy.app/documentation/risc-v/instruction.md)

Web page: https://asm-editor.specy.app/documentation/risc-v/instruction/bgtz

**Branch if greater than zero** · Pseudo-instruction

Category: Control flow

Branches to label if the register is greater than zero.

[RISC-V manual: blt](https://docs.riscv.org/reference/isa/v20260120/unpriv/rv32.html#norm:blt_bltu_op)

## Forms

- `bgtz t1, label`
  - `bgtz t1,label` → `blt zero, t1, label`

## Operands

- `t1`: Any integer register, `x0` to `x31`, or its named alias, such as `zero`, `t0` or `t6`.
- `label`: A named address in the program, such as the start of a loop or a variable in `.data`.

## Example

```riscv
# First bgtz case is taken; second is not. t2 ends at 11 (10 + 1).
.text
li t2, 0
li t0, 1
bgtz t0, taken
addi t2, t2, 1
j first_done # Skip the other marker unconditionally.
taken:
addi t2, t2, 10
first_done:
li t0, -1
bgtz t0, missed
addi t2, t2, 1
j second_done # Skip the other marker unconditionally.
missed:
addi t2, t2, 10
second_done:
# t2=11 proves one taken and one untaken path.
```