diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/liboil/src/c/swab_c.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/liboil/src/c/swab_c.c Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,263 @@ +/* + * LIBOIL - Library of Optimized Inner Loops + * Copyright (c) 2005 David A. Schleef + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#ifdef HAVE_UNISTD_H +#include +#endif +#include + + +static void +swab_u16_libc (uint16_t *d, const uint16_t *s, int n) +{ + swab ((void *)s, (void *)d, n*2); +} +OIL_DEFINE_IMPL (swab_u16_libc, swab_u16); + +static void +swab_u16_ptr (uint16_t *d, const uint16_t *s, int n) +{ + int i; + + for(i=0;i>8); + s++; + } +} +OIL_DEFINE_IMPL (swab_u16_ptr, swab_u16); + +static void +swab_u32_ptr (uint32_t *d, const uint32_t *s, int n) +{ + int i; + + for(i=0;i>8) | (*s>>24); + s++; + } +} +OIL_DEFINE_IMPL (swab_u32_ptr, swab_u32); + +static void +swab_u16_unroll2 (uint16_t *d, const uint16_t *s, int n) +{ + int i; + + if (n&1) { + *d++ = (*s<<8) | (*s>>8); + s++; + } + n>>=1; + for(i=0;i>8); + s++; + *d++ = (*s<<8) | (*s>>8); + s++; + } +} +OIL_DEFINE_IMPL (swab_u16_unroll2, swab_u16); + +static void +swab_u16_unroll4 (uint16_t *d, const uint16_t *s, int n) +{ + int i; + + while (n&3) { + *d++ = (*s<<8) | (*s>>8); + s++; + n--; + } + n>>=2; + for(i=0;i>8); + s++; + *d++ = (*s<<8) | (*s>>8); + s++; + *d++ = (*s<<8) | (*s>>8); + s++; + *d++ = (*s<<8) | (*s>>8); + s++; + } +} +OIL_DEFINE_IMPL (swab_u16_unroll4, swab_u16); + +static void +swab_u32_unroll2 (uint32_t *d, const uint32_t *s, int n) +{ + int i; + + if (n&1) { + *d++ = (*s<<24) | ((*s&0x0000ff00)<<8) | + ((*s&0x00ff0000)>>8) | (*s>>24); + s++; + } + n>>=1; + for(i=0;i>8) | (*s>>24); + s++; + *d++ = (*s<<24) | ((*s&0x0000ff00)<<8) | + ((*s&0x00ff0000)>>8) | (*s>>24); + s++; + } +} +OIL_DEFINE_IMPL (swab_u32_unroll2, swab_u32); + + +static void +swab_u16_char (uint16_t *d, const uint16_t *s, int n) +{ + int i; + uint8_t *bd = (uint8_t *)d; + uint8_t *bs = (uint8_t *)s; + int x; + + for(i=0;i>8) | (*s>>24); + s++; + } +} +OIL_DEFINE_IMPL (swab_u32_char, swab_u32); + + + + + + + +#if 0 +static void +swab_u32_asm (uint32_t *d, uint32_t *s, int n) +{ + asm volatile ("\n" + "1:\n" + " mov 0(%1), %%eax\n" + " bswap %%eax\n" + " mov %%eax, 0(%0)\n" + " add $4, %0\n" + " add $4, %1\n" + " decl %2\n" + " jne 1b\n" + : "+r" (d), "+r" (s), "+r" (n) + : + : "eax"); +} +OIL_DEFINE_IMPL (swab_u32_asm, swab_u32); +#endif + + + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u16_libc() { + return &_oil_function_impl_swab_u16_libc; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u16_ptr() { + return &_oil_function_impl_swab_u16_ptr; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u32_ptr() { + return &_oil_function_impl_swab_u32_ptr; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u16_unroll2() { + return &_oil_function_impl_swab_u16_unroll2; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u16_unroll4() { + return &_oil_function_impl_swab_u16_unroll4; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u32_unroll2() { + return &_oil_function_impl_swab_u32_unroll2; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u16_char() { + return &_oil_function_impl_swab_u16_char; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u32_char() { + return &_oil_function_impl_swab_u32_char; +} +#endif + +#if 0 +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_swab_u32_asm() { + return &_oil_function_impl_swab_u32_asm; +} +#endif +#endif