author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:46:38 +0300 | |
changeset 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005 |
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* Eric Anholt. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <liboil/liboilclasses.h> |
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#include <liboil/liboilfunction.h> |
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#include <emmintrin.h> |
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|
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#define SSE_FUNCTION __attribute__((force_align_arg_pointer)) |
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|
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SSE_FUNCTION static void |
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copy_u8_sse (uint8_t *dest, const uint8_t *src, int n) |
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{ |
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for (; ((long)dest & 15) && (n > 0); n--) { |
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*dest++ = *src++; |
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} |
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for (; n >= 16; n -= 16) { |
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_mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src)); |
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src += 16; |
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dest += 16; |
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} |
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for (; n > 0; n--) { |
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*dest++ = *src++; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL (copy_u8_sse, copy_u8, OIL_IMPL_FLAG_SSE2); |
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|
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SSE_FUNCTION static void |
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copy_u8_sse_unroll2 (uint8_t *dest, const uint8_t *src, int n) |
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{ |
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for (; ((long)dest & 15) && (n > 0); n--) { |
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*dest++ = *src++; |
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} |
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for (; n >= 32; n -= 32) { |
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_mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src)); |
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_mm_store_si128((__m128i *)(dest + 16), _mm_loadu_si128((__m128i *)(src + 16))); |
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src += 32; |
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dest += 32; |
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} |
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if (n >= 16) { |
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_mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src)); |
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src += 16; |
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dest += 16; |
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n -= 16; |
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} |
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for (; n > 0; n--) { |
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*dest++ = *src++; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL (copy_u8_sse_unroll2, copy_u8, OIL_IMPL_FLAG_SSE2); |
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#ifdef __SYMBIAN32__ |
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OilFunctionImpl* __oil_function_impl_copy_u8_sse, copy_u8() { |
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return &_oil_function_impl_copy_u8_sse, copy_u8; |
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} |
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#endif |
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#ifdef __SYMBIAN32__ |
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OilFunctionImpl* __oil_function_impl_copy_u8_sse_unroll2, copy_u8() { |
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return &_oil_function_impl_copy_u8_sse_unroll2, copy_u8; |
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} |
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#endif |
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