xref: /dpdk/config/x86/binutils-avx512-check.py (revision 658e571ea32a8acd84af7c776ac5fbdf0ff0a276)
1*658e571eSDavid Marchand#! /usr/bin/env python3
2*658e571eSDavid Marchand# SPDX-License-Identifier: BSD-3-Clause
3*658e571eSDavid Marchand# Copyright(c) 2020 Intel Corporation
4*658e571eSDavid Marchand
5*658e571eSDavid Marchandimport subprocess
6*658e571eSDavid Marchandimport sys
7*658e571eSDavid Marchandimport tempfile
8*658e571eSDavid Marchand
9*658e571eSDavid Marchandobjdump, *cc = sys.argv[1:]
10*658e571eSDavid Marchandwith tempfile.NamedTemporaryFile() as obj:
11*658e571eSDavid Marchand    # On Windows, the file is opened exclusively and is not writable.
12*658e571eSDavid Marchand    obj.close()
13*658e571eSDavid Marchand    # from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90028
14*658e571eSDavid Marchand    gather_params = '0x8(,%ymm1,1),%ymm0{%k2}'
15*658e571eSDavid Marchand    src = '__asm__("vpgatherqq {}");'.format(gather_params).encode('utf-8')
16*658e571eSDavid Marchand    subprocess.run(cc + ['-c', '-xc', '-o', obj.name, '-'], input=src, check=True)
17*658e571eSDavid Marchand    asm = subprocess.run([objdump, '-d', '--no-show-raw-insn', obj.name],
18*658e571eSDavid Marchand                         stdout=subprocess.PIPE, check=True).stdout.decode('utf-8')
19*658e571eSDavid Marchand    if gather_params not in asm:
20*658e571eSDavid Marchand	    print('vpgatherqq displacement error with as')
21*658e571eSDavid Marchand	    sys.exit(1)
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