| #!/bin/bash |
| # Copyright 2020 Google LLC |
| # |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This script takes a path to a .wasm file as input and outputs textual representations of all wasm |
| # SIMD operations present in the .wasm file. |
| # |
| # Example usage: ./simd_test.sh simd_float_capabilities.wasm |
| |
| # Requires that emscripten and wasm2wat are added to your PATH. |
| # Requires, and is verified to work with |
| # - The output of `wasm2wat --version` should be `1.0.13 (1.0.17)` |
| # - install from here: https://github.com/WebAssembly/wabt |
| |
| |
| wasm2wat --enable-simd $1 > output/simd_test.wat |
| |
| # The following lines output all SIMD operations produced in the output WASM. |
| # Useful for checking that SIMD instructions are actually being used. |
| # e.g. for the following C++ code: |
| # auto vec1 = skvx::Vec<2, double>({11.f, -22.f}) + skvx::Vec<2, double>({13.f, -1.f}); |
| # it is expected that the f64x2.add operation is present in the output WASM. |
| echo "The following WASM SIMD operations were used in the compiled code:" |
| grep -f wasm_simd_types.txt output/simd_test.wat |
