---
name: "wasm-opcodecnt"
section: "1"
platform: "linux"
package: "wabt"
version: "1.0.32-1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/wasm-opcodecnt"
---

# wasm-opcodecnt(1)

count opcode usage for instructions

## NAME

**wasm-opcodecnt** – count opcode usage for instructions

## SYNOPSIS

**wasm-opcodecnt** \[options\] *file ...*

## DESCRIPTION

**wasm-opcodecnt** Read a file in the wasm binary format, and count opcode usage for instructions.

The options are as follows:

- **-****-help**

  Print a help message

- **-****-version**

  Print version information

- **-v**, **-****-verbose**

  Use multiple times for more info

- **-****-enable-exceptions**

  Enable Experimental exception handling

- **-****-disable-mutable-globals**

  Disable Import/export mutable globals

- **-****-disable-saturating-float-to-int**

  Disable Saturating float-to-int operators

- **-****-disable-sign-extension**

  Disable Sign-extension operators

- **-****-disable-simd**

  Disable SIMD support

- **-****-enable-threads**

  Enable Threading support

- **-****-enable-function-references**

  Enable Typed function references

- **-****-disable-multi-value**

  Disable Multi-value

- **-****-enable-tail-call**

  Enable Tail-call support

- **-****-disable-bulk-memory**

  Disable Bulk-memory operations

- **-****-disable-reference-types**

  Disable Reference types (externref)

- **-****-enable-annotations**

  Enable Custom annotation syntax

- **-****-enable-code-metadata**

  Enable Code metadata

- **-****-enable-gc**

  Enable Garbage collection

- **-****-enable-memory64**

  Enable 64-bit memory

- **-****-enable-multi-memory**

  Enable Multi-memory

- **-****-enable-extended-const**

  Enable Extended constant expressions

- **-****-enable-all**

  Enable all features

- **-o**, **-****-output=FILENAME**

  Output file for the opcode counts, by default use stdout

- **-c**, **-****-cutoff=N**

  Cutoff for reporting counts less than N

- **-s**, **-****-separator=SEPARATOR**

  Separator text between element and count when reporting counts

## EXAMPLES

Parse binary file test.wasm and write pcode dist file test.dist

```
$ wasm-opcodecnt test.wasm -o test.dist
```

## SEE ALSO

[wasm-decompile(1)](/wasm-decompile/1.md), [wasm-interp(1)](/wasm-interp/1.md), [wasm-objdump(1)](/wasm-objdump/1.md), [wasm-strip(1)](/wasm-strip/1.md), [wasm-validate(1)](/wasm-validate/1.md), [wasm2c(1)](/wasm2c/1.md), [wasm2wat(1)](/wasm2wat/1.md), [wast2json(1)](/wast2json/1.md), [wat-desugar(1)](/wat-desugar/1.md), [wat2wasm(1)](/wat2wasm/1.md), [spectest-interp(1)](/spectest-interp/1.md)

## BUGS

If you find a bug, please report it at\
 **https://github.com/WebAssembly/wabt/issues**.
