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43 lines
1.4 KiB
Bash
Executable File
43 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# Ensure cpu specific code operates correctly
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# Copyright (C) 2025-2026 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ wc
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GLIBC_TUNABLES='glibc.cpu.hwcaps=-AVX2,-AVX512F' \
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wc -l --debug /dev/null 2>debug || fail=1
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grep 'using.*hardware support' debug && fail=1
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lines=$(shuf -i 0-1000 | head -n1) || framework_failure_
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seq 1000 | head -n "$lines" > lines || framework_failure_
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wc_accelerated=$(wc -l < lines) || fail=1
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wc_accelerated_no_avx512=$(
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GLIBC_TUNABLES='glibc.cpu.hwcaps=-AVX512F' \
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wc -l < lines
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) || fail=1
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wc_base=$(
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GLIBC_TUNABLES='glibc.cpu.hwcaps=-AVX2,-AVX512F' \
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wc -l < lines
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) || fail=1
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test "$wc_accelerated" = "$wc_base" || fail=1
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test "$wc_accelerated_no_avx512" = "$wc_base" || fail=1
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Exit $fail
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