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2bd0017988
Add support for MOPS in cpu_features and INIT_ARCH. Add ifuncs using MOPS for memcpy, memmove and memset (use .inst for now so it works with all binutils versions without needing complex configure and conditional compilation). Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
39 lines
1.1 KiB
ArmAsm
39 lines
1.1 KiB
ArmAsm
/* Optimized memset for MOPS.
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Copyright (C) 2023 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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/* Assumptions:
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*
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* AArch64, MOPS.
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*
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*/
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ENTRY (__memset_mops)
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PTR_ARG (0)
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SIZE_ARG (2)
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mov x3, x0
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.inst 0x19c10443 /* setp [x3]!, x2!, x1 */
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.inst 0x19c14443 /* setm [x3]!, x2!, x1 */
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.inst 0x19c18443 /* sete [x3]!, x2!, x1 */
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ret
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END (__memset_mops)
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