diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/liboil/src/sad8x8_sse.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/liboil/src/sad8x8_sse.c Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2005 + * Eric Anholt. 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include +#include +#include + +#define SSE_FUNCTION __attribute__((force_align_arg_pointer)) + +#ifdef ENABLE_BROKEN_IMPLS +union m128_int { + __m128i m128; + uint32_t i[4]; + uint16_t s[8]; +}; + +SSE_FUNCTION static void +sad8x8_u8_sse (uint32_t *dest, uint8_t *src1, int sstr1, uint8_t *src2, + int sstr2) +{ + int i; + __m128i sum = _mm_setzero_si128(); + union m128_int sumi; + + for (i = 0; i < 4; i++) { + __m128i xmm0, xmm1, xmm2, xmm3; + xmm0 = _mm_loadl_epi64((__m128i *)src1); + xmm1 = _mm_loadl_epi64((__m128i *)(src1 + sstr1)); + xmm2 = _mm_loadl_epi64((__m128i *)src2); + xmm3 = _mm_loadl_epi64((__m128i *)(src2 + sstr2)); + xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); + xmm2 = _mm_unpacklo_epi8(xmm2, xmm3); + sum = _mm_add_epi64(sum, _mm_sad_epu8(xmm0, xmm2)); + src1 += 2 * sstr1; + src2 += 2 * sstr2; + } + sumi.m128 = sum; + *dest = sumi.i[0] + sumi.i[2]; +} +OIL_DEFINE_IMPL_FULL_WRAPPER(sad8x8_u8_sse, sad8x8_u8, OIL_IMPL_FLAG_SSE2); +#endif +