482704df27
We could have reused memmove.asm for ARM, but we would still need to add an implemention for ARM64, so we use the same source for both archs. Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Pete Batard <pete@akeo.ie> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
32 lines
728 B
C
32 lines
728 B
C
//------------------------------------------------------------------------------
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//
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// Copyright (c) 2019, Pete Batard. All rights reserved.
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//
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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//------------------------------------------------------------------------------
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#if defined(_M_ARM64)
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typedef unsigned __int64 size_t;
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#else
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typedef unsigned __int32 size_t;
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#endif
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int memcmp(void *, void *, size_t);
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#pragma intrinsic(memcmp)
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#pragma function(memcmp)
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int memcmp(const void *s1, const void *s2, size_t n)
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{
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unsigned char const *t1 = s1;
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unsigned char const *t2 = s2;
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while (n--) {
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if (*t1 != *t2)
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return (int)*t1 - (int)*t2;
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t1++;
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t2++;
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}
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return 0;
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}
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