From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/src/stdlib/SDL_memcpy.c | 101 ------------------------------ 1 file changed, 101 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/stdlib/SDL_memcpy.c (limited to 'contrib/SDL-3.2.8/src/stdlib/SDL_memcpy.c') diff --git a/contrib/SDL-3.2.8/src/stdlib/SDL_memcpy.c b/contrib/SDL-3.2.8/src/stdlib/SDL_memcpy.c deleted file mode 100644 index 315edf0..0000000 --- a/contrib/SDL-3.2.8/src/stdlib/SDL_memcpy.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "SDL_internal.h" - - -#ifdef SDL_memcpy -#undef SDL_memcpy -#endif -#if SDL_DYNAMIC_API -#define SDL_memcpy SDL_memcpy_REAL -#endif -void *SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len) -{ -#if defined(__GNUC__) && (defined(HAVE_LIBC) && HAVE_LIBC) - /* Presumably this is well tuned for speed. - On my machine this is twice as fast as the C code below. - */ - return __builtin_memcpy(dst, src, len); -#elif defined(HAVE_MEMCPY) - return memcpy(dst, src, len); -#elif defined(HAVE_BCOPY) - bcopy(src, dst, len); - return dst; -#else - /* GCC 4.9.0 with -O3 will generate movaps instructions with the loop - using Uint32* pointers, so we need to make sure the pointers are - aligned before we loop using them. - */ - if (((uintptr_t)src & 0x3) || ((uintptr_t)dst & 0x3)) { - // Do an unaligned byte copy - Uint8 *srcp1 = (Uint8 *)src; - Uint8 *dstp1 = (Uint8 *)dst; - - while (len--) { - *dstp1++ = *srcp1++; - } - } else { - size_t left = (len % 4); - Uint32 *srcp4, *dstp4; - Uint8 *srcp1, *dstp1; - - srcp4 = (Uint32 *)src; - dstp4 = (Uint32 *)dst; - len /= 4; - while (len--) { - *dstp4++ = *srcp4++; - } - - srcp1 = (Uint8 *)srcp4; - dstp1 = (Uint8 *)dstp4; - switch (left) { - case 3: - *dstp1++ = *srcp1++; - SDL_FALLTHROUGH; - case 2: - *dstp1++ = *srcp1++; - SDL_FALLTHROUGH; - case 1: - *dstp1++ = *srcp1++; - } - } - return dst; -#endif // HAVE_MEMCPY -} - -/* The optimizer on Visual Studio 2005 and later generates memcpy() and memset() calls. - We will provide our own implementation if we're not building with a C runtime. */ -#ifndef HAVE_LIBC -// NOLINTNEXTLINE(readability-redundant-declaration) -extern void *memcpy(void *dst, const void *src, size_t len); -#if defined(_MSC_VER) && !defined(__INTEL_LLVM_COMPILER) -#pragma intrinsic(memcpy) -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#pragma function(memcpy) -#endif -// NOLINTNEXTLINE(readability-inconsistent-declaration-parameter-name) -void *memcpy(void *dst, const void *src, size_t len) -{ - return SDL_memcpy(dst, src, len); -} -#endif // !HAVE_LIBC -- cgit v1.2.3