37 lines
1.3 KiB
ArmAsm
37 lines
1.3 KiB
ArmAsm
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/* Optimized memset for AmpereComputing emag processor.
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Copyright (C) 2018-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#if IS_IN (libc)
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# define MEMSET __memset_emag
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/*
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* Using DC ZVA to zero memory does not produce better performance if
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* memory size is not very large, especially when there are multiple
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* processes/threads contending memory/cache. Here we set threshold to
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* zero to disable using DC ZVA, which is good for multi-process/thread
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* workloads.
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*/
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# define DC_ZVA_THRESHOLD 0
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# include "./memset_base64.S"
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#endif
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