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#!/usr/bin/env python3
# Copyright 2020 The Emscripten Authors. All rights reserved.
# Emscripten is available under two separate licenses, the MIT license and the
# University of Illinois/NCSA Open Source License. Both these licenses can be
# found in the LICENSE file.
"""Updates the arm_neon.h header taken from SIMDe
(https://github.com/simd-everywhere/simde) in system/include/neon
"""
import os
import subprocess
import sys
from os import path
sys.path.insert(1, path.dirname(path.dirname(path.abspath(__file__))))
from tools.shared import get_emscripten_temp_dir
tmpdir = get_emscripten_temp_dir()
emdir = path.join(path.dirname(path.realpath(__file__)), "..")
def main():
if len(sys.argv) == 2:
simde_dir = sys.argv[1]
elif len(sys.argv) == 1:
simde_dir = None
else:
print('''USAGE:
./simde_update.py [SIMDE_REPO_DIRECTORY]''')
if not simde_dir:
os.mkdir(path.join(tmpdir, "simde"))
os.system("git clone git@github.com:simd-everywhere/simde " + path.join(tmpdir, "simde"))
simde_dir = path.join(tmpdir, "simde")
else:
print("Using provided repository without updating [make sure it's up to date!]")
try:
neon_h_buf = subprocess.check_output([path.join(simde_dir, "amalgamate.py"), path.join(simde_dir, "simde", "arm", "neon.h")])
except subprocess.CalledProcessError as e:
print("amalgamate.py returned error: " + str(e))
return 1
try:
os.mkdir(path.join(emdir, "system", "include", "neon"))
except FileExistsError:
if not path.isdir(path.join(emdir, "system", "include", "neon")):
print("system/include/neon exists and is not a directory, exiting...")
return 1
with open(path.join(emdir, "system", "include", "neon", "arm_neon.h"), "wb+") as f:
try:
f.write(b"#define SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES\n")
f.write(b"#define SIMDE_ARM_NEON_A64V8_ENABLE_NATIVE_ALIASES\n")
f.write(neon_h_buf)
f.write(b"#undef SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES\n")
f.write(b"#undef SIMDE_ARM_NEON_A64V8_ENABLE_NATIVE_ALIASES\n")
print("'system/include/neon/arm_neon.h' updated")
except Exception:
print("error writing 'system/include/neon/arm_neon.h'")
return 1
return 0
if __name__ == '__main__':
sys.exit(main())
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