fcccbcbb39
Support for gyp which doesn't support multiple objects in the same static library having the same basename. Change-Id: Ib947eefbaf68f8b177a796d23f875ccdfa6bc9dc
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <emmintrin.h> // SSE2
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#include "./vpx_config.h"
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#include "./vp9_rtcd.h"
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#include "vpx/vpx_integer.h"
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#if HAVE_SSE2
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unsigned int vp9_sad16x3_sse2(
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const unsigned char *src_ptr,
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int src_stride,
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const unsigned char *ref_ptr,
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int ref_stride) {
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__m128i s0, s1, s2;
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__m128i r0, r1, r2;
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__m128i sad;
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s0 = _mm_loadu_si128((const __m128i *)(src_ptr + 0 * src_stride));
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s1 = _mm_loadu_si128((const __m128i *)(src_ptr + 1 * src_stride));
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s2 = _mm_loadu_si128((const __m128i *)(src_ptr + 2 * src_stride));
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r0 = _mm_loadu_si128((const __m128i *)(ref_ptr + 0 * ref_stride));
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r1 = _mm_loadu_si128((const __m128i *)(ref_ptr + 1 * ref_stride));
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r2 = _mm_loadu_si128((const __m128i *)(ref_ptr + 2 * ref_stride));
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sad = _mm_sad_epu8(s0, r0);
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sad = _mm_add_epi16(sad, _mm_sad_epu8(s1, r1));
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sad = _mm_add_epi16(sad, _mm_sad_epu8(s2, r2));
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sad = _mm_add_epi16(sad, _mm_srli_si128(sad, 8));
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return _mm_cvtsi128_si32(sad);
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}
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unsigned int vp9_sad3x16_sse2(
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const unsigned char *src_ptr,
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int src_stride,
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const unsigned char *ref_ptr,
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int ref_stride) {
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int r;
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__m128i s0, s1, s2, s3;
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__m128i r0, r1, r2, r3;
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__m128i sad = _mm_setzero_si128();
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__m128i mask;
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const int offset = (uintptr_t)src_ptr & 3;
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/* In current use case, the offset is 1 if CONFIG_SUBPELREFMV is off.
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* Here, for offset=1, we adjust src_ptr to be 4-byte aligned. Then, movd
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* takes much less time.
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*/
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if (offset == 1)
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src_ptr -= 1;
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/* mask = 0xffffffffffff0000ffffffffffff0000 */
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mask = _mm_cmpeq_epi32(sad, sad);
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mask = _mm_slli_epi64(mask, 16);
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for (r = 0; r < 16; r += 4) {
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s0 = _mm_cvtsi32_si128 (*(const int *)(src_ptr + 0 * src_stride));
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s1 = _mm_cvtsi32_si128 (*(const int *)(src_ptr + 1 * src_stride));
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s2 = _mm_cvtsi32_si128 (*(const int *)(src_ptr + 2 * src_stride));
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s3 = _mm_cvtsi32_si128 (*(const int *)(src_ptr + 3 * src_stride));
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r0 = _mm_cvtsi32_si128 (*(const int *)(ref_ptr + 0 * ref_stride));
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r1 = _mm_cvtsi32_si128 (*(const int *)(ref_ptr + 1 * ref_stride));
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r2 = _mm_cvtsi32_si128 (*(const int *)(ref_ptr + 2 * ref_stride));
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r3 = _mm_cvtsi32_si128 (*(const int *)(ref_ptr + 3 * ref_stride));
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s0 = _mm_unpacklo_epi8(s0, s1);
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r0 = _mm_unpacklo_epi8(r0, r1);
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s2 = _mm_unpacklo_epi8(s2, s3);
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r2 = _mm_unpacklo_epi8(r2, r3);
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s0 = _mm_unpacklo_epi64(s0, s2);
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r0 = _mm_unpacklo_epi64(r0, r2);
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// throw out extra byte
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if (offset == 1)
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s0 = _mm_and_si128(s0, mask);
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else
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s0 = _mm_slli_epi64(s0, 16);
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r0 = _mm_slli_epi64(r0, 16);
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sad = _mm_add_epi16(sad, _mm_sad_epu8(s0, r0));
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src_ptr += src_stride*4;
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ref_ptr += ref_stride*4;
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}
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sad = _mm_add_epi16(sad, _mm_srli_si128(sad, 8));
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return _mm_cvtsi128_si32(sad);
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}
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#endif
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