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59ba2d2b54
Vectorized loops are used for sizes greater than 32B to improve performance over power7 optimization. This shows as an average of 25% improvement depending on the position of search character. The performance is same for shorter strings.
29 lines
1.0 KiB
ArmAsm
29 lines
1.0 KiB
ArmAsm
/* Optimized memrchr implementation for PowerPC64/POWER8.
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Copyright (C) 2017 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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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#define MEMRCHR __memrchr_power8
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#undef weak_alias
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#define weak_alias(name,alias)
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#include <sysdeps/powerpc/powerpc64/power8/memrchr.S>
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