1cb93a386Sopenharmony_ci#!/bin/bash
2cb93a386Sopenharmony_ci# Copyright 2020 Google LLC
3cb93a386Sopenharmony_ci#
4cb93a386Sopenharmony_ci# Use of this source code is governed by a BSD-style license that can be
5cb93a386Sopenharmony_ci# found in the LICENSE file.
6cb93a386Sopenharmony_ci
7cb93a386Sopenharmony_ci# This script takes a path to a .wasm file as input and outputs textual representations of all wasm
8cb93a386Sopenharmony_ci# SIMD operations present in the .wasm file.
9cb93a386Sopenharmony_ci#
10cb93a386Sopenharmony_ci# Example usage: ./simd_test.sh simd_float_capabilities.wasm
11cb93a386Sopenharmony_ci
12cb93a386Sopenharmony_ci# Requires that emscripten and wasm2wat are added to your PATH.
13cb93a386Sopenharmony_ci# Requires, and is verified to work with
14cb93a386Sopenharmony_ci# - The output of `wasm2wat --version` should be `1.0.13 (1.0.17)`
15cb93a386Sopenharmony_ci#   - install from here: https://github.com/WebAssembly/wabt
16cb93a386Sopenharmony_ci
17cb93a386Sopenharmony_ci
18cb93a386Sopenharmony_ciwasm2wat --enable-simd $1 > output/simd_test.wat
19cb93a386Sopenharmony_ci
20cb93a386Sopenharmony_ci# The following lines output all SIMD operations produced in the output WASM.
21cb93a386Sopenharmony_ci# Useful for checking that SIMD instructions are actually being used.
22cb93a386Sopenharmony_ci# e.g. for the following C++ code:
23cb93a386Sopenharmony_ci#  auto vec1 = skvx::Vec<2, double>({11.f, -22.f}) + skvx::Vec<2, double>({13.f, -1.f});
24cb93a386Sopenharmony_ci# it is expected that the f64x2.add operation is present in the output WASM.
25cb93a386Sopenharmony_ciecho "The following WASM SIMD operations were used in the compiled code:"
26cb93a386Sopenharmony_cigrep -f wasm_simd_types.txt output/simd_test.wat
27