sl@0: /*
sl@0:  * LIBOIL - Library of Optimized Inner Loops
sl@0:  * Copyright (c) 2004 David A. Schleef <ds@schleef.org>
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
sl@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
sl@0:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
sl@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
sl@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sl@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sl@0:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sl@0:  * POSSIBILITY OF SUCH DAMAGE.
sl@0:  */
sl@0: //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
sl@0: 
sl@0: #ifdef HAVE_CONFIG_H
sl@0: #include "config.h"
sl@0: #endif
sl@0: 
sl@0: #include <string.h>
sl@0: 
sl@0: #include <liboil/liboilfunction.h>
sl@0: 
sl@0: OIL_DECLARE_CLASS (copy_u8);
sl@0: 
sl@0: static void
sl@0: copy_u8_libc (uint8_t *dest, const uint8_t *src, int n)
sl@0: {
sl@0:   memcpy (dest, src, n);
sl@0: }
sl@0: OIL_DEFINE_IMPL (copy_u8_libc, copy_u8);
sl@0: 
sl@0: static void
sl@0: copy_u8_ptr (uint8_t *dest, const uint8_t *src, int n)
sl@0: {
sl@0:   while(n--) {
sl@0:     *dest++ = *src++;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL (copy_u8_ptr, copy_u8);
sl@0: 
sl@0: #ifdef HAVE_UNALIGNED_ACCESS
sl@0: static void
sl@0: copy_u8_ints (uint8_t *dest, const uint8_t *src, int n)
sl@0: {
sl@0:   int i;
sl@0:   for(i=0;i<(n&3);i++){
sl@0:     *dest++ = *src++;
sl@0:   }
sl@0:   n >>= 2;
sl@0:   for(i=0;i<n;i++){
sl@0:     *(uint32_t *)dest = *(uint32_t *)src;
sl@0:     dest += 4;
sl@0:     src += 4;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL (copy_u8_ints, copy_u8);
sl@0: #endif
sl@0: 
sl@0: #ifdef HAVE_UNALIGNED_ACCESS
sl@0: /* Submitted by Adam Moss */
sl@0: static void
sl@0: copy_u8_llints (uint8_t *dest, const uint8_t *src, int n)
sl@0: {
sl@0:   int i;
sl@0:   for(i=0;i<(n&7);i++){
sl@0:     *dest++ = *src++;
sl@0:   }
sl@0:   n >>= 3;
sl@0:   for(i=0;i<n;i++){
sl@0:     *(uint64_t *)dest = *(uint64_t *)src;
sl@0:     dest += 8;
sl@0:     src += 8;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL (copy_u8_llints, copy_u8);
sl@0: #endif
sl@0: 
sl@0: #ifdef HAVE_UNALIGNED_ACCESS
sl@0: /* Submitted by Adam Moss */
sl@0: static void
sl@0: copy_u8_llints_duff (uint8_t *dest, const uint8_t *src, int n)
sl@0: {
sl@0:   switch(n&7) {
sl@0:   case 7: *dest++ = *src++;
sl@0:   case 6: *dest++ = *src++;
sl@0:   case 5: *dest++ = *src++;
sl@0:   case 4: *dest++ = *src++;
sl@0:   case 3: *dest++ = *src++;
sl@0:   case 2: *dest++ = *src++;
sl@0:   case 1: *dest++ = *src++;
sl@0:   default: ;
sl@0:   }
sl@0:   n >>= 3;
sl@0:   while (n) {
sl@0:     switch (n & 15) {
sl@0:     default:
sl@0:     case 0: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 15: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 14: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 13: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 12: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 11: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 10: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 9: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 8: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 7: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 6: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 5: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 4: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 3: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 2: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     case 1: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
sl@0:     }
sl@0:     n = (n - 1) & ~(int)15;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL (copy_u8_llints_duff, copy_u8);
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_copy_u8_libc() {
sl@0: 		return &_oil_function_impl_copy_u8_libc;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_copy_u8_ptr() {
sl@0: 		return &_oil_function_impl_copy_u8_ptr;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef HAVE_UNALIGNED_ACCESS
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_copy_u8_ints() {
sl@0: 		return &_oil_function_impl_copy_u8_ints;
sl@0: }
sl@0: #endif
sl@0: #endif
sl@0: 
sl@0: #ifdef HAVE_UNALIGNED_ACCESS
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_copy_u8_llints() {
sl@0: 		return &_oil_function_impl_copy_u8_llints;
sl@0: }
sl@0: #endif
sl@0: #endif
sl@0: 
sl@0: #ifdef HAVE_UNALIGNED_ACCESS
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_copy_u8_llints_duff() {
sl@0: 		return &_oil_function_impl_copy_u8_llints_duff;
sl@0: }
sl@0: #endif
sl@0: #endif