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82d9426e4a
Based on the glibc microbenchmark, strcmp-aligned implementation could reduce the runtime 0%-10% for aligned comparison, 10%-20% for unaligned comparison, strcmp-lsx implemenation could reduce the runtime 0%-50%.
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/* Enumerate available IFUNC implementations of a function LoongArch64 version.
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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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<http://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <string.h>
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#include <wchar.h>
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#include <ldsodefs.h>
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#include <ifunc-impl-list.h>
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#include <stdio.h>
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size_t
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__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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size_t max)
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{
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size_t i = max;
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IFUNC_IMPL (i, name, strlen,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, strlen, SUPPORT_LASX, __strlen_lasx)
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IFUNC_IMPL_ADD (array, i, strlen, SUPPORT_LSX, __strlen_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_aligned)
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)
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IFUNC_IMPL (i, name, strnlen,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, strnlen, SUPPORT_LASX, __strnlen_lasx)
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IFUNC_IMPL_ADD (array, i, strnlen, SUPPORT_LSX, __strnlen_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_aligned)
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)
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IFUNC_IMPL (i, name, strchr,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, strchr, SUPPORT_LASX, __strchr_lasx)
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IFUNC_IMPL_ADD (array, i, strchr, SUPPORT_LSX, __strchr_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_aligned)
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)
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IFUNC_IMPL (i, name, strchrnul,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, strchrnul, SUPPORT_LASX, __strchrnul_lasx)
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IFUNC_IMPL_ADD (array, i, strchrnul, SUPPORT_LSX, __strchrnul_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, strchrnul, 1, __strchrnul_aligned)
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)
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IFUNC_IMPL (i, name, strcmp,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, strcmp, SUPPORT_LSX, __strcmp_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_aligned)
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)
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IFUNC_IMPL (i, name, memcpy,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, memcpy, SUPPORT_LASX, __memcpy_lasx)
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IFUNC_IMPL_ADD (array, i, memcpy, SUPPORT_LSX, __memcpy_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, memcpy, SUPPORT_UAL, __memcpy_unaligned)
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IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_aligned)
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)
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IFUNC_IMPL (i, name, memmove,
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#if !defined __loongarch_soft_float
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IFUNC_IMPL_ADD (array, i, memmove, SUPPORT_LASX, __memmove_lasx)
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IFUNC_IMPL_ADD (array, i, memmove, SUPPORT_LSX, __memmove_lsx)
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#endif
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IFUNC_IMPL_ADD (array, i, memmove, SUPPORT_UAL, __memmove_unaligned)
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IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_aligned)
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)
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return i;
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}
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