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-rw-r--r--media/libvpx/libvpx/vpx_dsp/x86/avg_intrin_sse2.c614
1 files changed, 614 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/x86/avg_intrin_sse2.c b/media/libvpx/libvpx/vpx_dsp/x86/avg_intrin_sse2.c
new file mode 100644
index 0000000000..4447dfab7c
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_dsp/x86/avg_intrin_sse2.c
@@ -0,0 +1,614 @@
+/*
+ * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <emmintrin.h>
+
+#include "./vpx_dsp_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
+#include "vpx_ports/mem.h"
+
+static INLINE void sign_extend_16bit_to_32bit_sse2(__m128i in, __m128i zero,
+ __m128i *out_lo,
+ __m128i *out_hi) {
+ const __m128i sign_bits = _mm_cmplt_epi16(in, zero);
+ *out_lo = _mm_unpacklo_epi16(in, sign_bits);
+ *out_hi = _mm_unpackhi_epi16(in, sign_bits);
+}
+
+void vpx_minmax_8x8_sse2(const uint8_t *s, int p, const uint8_t *d, int dp,
+ int *min, int *max) {
+ __m128i u0, s0, d0, diff, maxabsdiff, minabsdiff, negdiff, absdiff0, absdiff;
+ u0 = _mm_setzero_si128();
+ // Row 0
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff0 = _mm_max_epi16(diff, negdiff);
+ // Row 1
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(absdiff0, absdiff);
+ minabsdiff = _mm_min_epi16(absdiff0, absdiff);
+ // Row 2
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 2 * dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
+ minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
+ // Row 3
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 3 * dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
+ minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
+ // Row 4
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 4 * dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
+ minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
+ // Row 5
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 5 * dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
+ minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
+ // Row 6
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 6 * dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
+ minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
+ // Row 7
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0);
+ d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 7 * dp)), u0);
+ diff = _mm_subs_epi16(s0, d0);
+ negdiff = _mm_subs_epi16(u0, diff);
+ absdiff = _mm_max_epi16(diff, negdiff);
+ maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
+ minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
+
+ maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_si128(maxabsdiff, 8));
+ maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 32));
+ maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 16));
+ *max = _mm_extract_epi16(maxabsdiff, 0);
+
+ minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_si128(minabsdiff, 8));
+ minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 32));
+ minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 16));
+ *min = _mm_extract_epi16(minabsdiff, 0);
+}
+
+unsigned int vpx_avg_8x8_sse2(const uint8_t *s, int p) {
+ __m128i s0, s1, u0;
+ unsigned int avg = 0;
+ u0 = _mm_setzero_si128();
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+
+ s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 8));
+ s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 32));
+ s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16));
+ avg = _mm_extract_epi16(s0, 0);
+ return (avg + 32) >> 6;
+}
+
+unsigned int vpx_avg_4x4_sse2(const uint8_t *s, int p) {
+ __m128i s0, s1, u0;
+ unsigned int avg = 0;
+ u0 = _mm_setzero_si128();
+ s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
+ s0 = _mm_adds_epu16(s0, s1);
+
+ s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 4));
+ s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16));
+ avg = _mm_extract_epi16(s0, 0);
+ return (avg + 8) >> 4;
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+unsigned int vpx_highbd_avg_8x8_sse2(const uint8_t *s8, int p) {
+ __m128i s0, s1;
+ unsigned int avg;
+ const uint16_t *s = CONVERT_TO_SHORTPTR(s8);
+ const __m128i zero = _mm_setzero_si128();
+ s0 = _mm_loadu_si128((const __m128i *)(s));
+ s1 = _mm_loadu_si128((const __m128i *)(s + p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadu_si128((const __m128i *)(s + 2 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadu_si128((const __m128i *)(s + 3 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadu_si128((const __m128i *)(s + 4 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadu_si128((const __m128i *)(s + 5 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadu_si128((const __m128i *)(s + 6 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadu_si128((const __m128i *)(s + 7 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_unpackhi_epi16(s0, zero);
+ s0 = _mm_unpacklo_epi16(s0, zero);
+ s0 = _mm_add_epi32(s0, s1);
+ s0 = _mm_add_epi32(s0, _mm_srli_si128(s0, 8));
+ s0 = _mm_add_epi32(s0, _mm_srli_si128(s0, 4));
+ avg = (unsigned int)_mm_cvtsi128_si32(s0);
+
+ return (avg + 32) >> 6;
+}
+
+unsigned int vpx_highbd_avg_4x4_sse2(const uint8_t *s8, int p) {
+ __m128i s0, s1;
+ unsigned int avg;
+ const uint16_t *s = CONVERT_TO_SHORTPTR(s8);
+ s0 = _mm_loadl_epi64((const __m128i *)(s));
+ s1 = _mm_loadl_epi64((const __m128i *)(s + p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadl_epi64((const __m128i *)(s + 2 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s1 = _mm_loadl_epi64((const __m128i *)(s + 3 * p));
+ s0 = _mm_adds_epu16(s0, s1);
+ s0 = _mm_add_epi16(s0, _mm_srli_si128(s0, 4));
+ s0 = _mm_add_epi16(s0, _mm_srli_si128(s0, 2));
+ avg = _mm_extract_epi16(s0, 0);
+
+ return (avg + 8) >> 4;
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+static void hadamard_col8_sse2(__m128i *in, int iter) {
+ __m128i a0 = in[0];
+ __m128i a1 = in[1];
+ __m128i a2 = in[2];
+ __m128i a3 = in[3];
+ __m128i a4 = in[4];
+ __m128i a5 = in[5];
+ __m128i a6 = in[6];
+ __m128i a7 = in[7];
+
+ __m128i b0 = _mm_add_epi16(a0, a1);
+ __m128i b1 = _mm_sub_epi16(a0, a1);
+ __m128i b2 = _mm_add_epi16(a2, a3);
+ __m128i b3 = _mm_sub_epi16(a2, a3);
+ __m128i b4 = _mm_add_epi16(a4, a5);
+ __m128i b5 = _mm_sub_epi16(a4, a5);
+ __m128i b6 = _mm_add_epi16(a6, a7);
+ __m128i b7 = _mm_sub_epi16(a6, a7);
+
+ a0 = _mm_add_epi16(b0, b2);
+ a1 = _mm_add_epi16(b1, b3);
+ a2 = _mm_sub_epi16(b0, b2);
+ a3 = _mm_sub_epi16(b1, b3);
+ a4 = _mm_add_epi16(b4, b6);
+ a5 = _mm_add_epi16(b5, b7);
+ a6 = _mm_sub_epi16(b4, b6);
+ a7 = _mm_sub_epi16(b5, b7);
+
+ if (iter == 0) {
+ b0 = _mm_add_epi16(a0, a4);
+ b7 = _mm_add_epi16(a1, a5);
+ b3 = _mm_add_epi16(a2, a6);
+ b4 = _mm_add_epi16(a3, a7);
+ b2 = _mm_sub_epi16(a0, a4);
+ b6 = _mm_sub_epi16(a1, a5);
+ b1 = _mm_sub_epi16(a2, a6);
+ b5 = _mm_sub_epi16(a3, a7);
+
+ a0 = _mm_unpacklo_epi16(b0, b1);
+ a1 = _mm_unpacklo_epi16(b2, b3);
+ a2 = _mm_unpackhi_epi16(b0, b1);
+ a3 = _mm_unpackhi_epi16(b2, b3);
+ a4 = _mm_unpacklo_epi16(b4, b5);
+ a5 = _mm_unpacklo_epi16(b6, b7);
+ a6 = _mm_unpackhi_epi16(b4, b5);
+ a7 = _mm_unpackhi_epi16(b6, b7);
+
+ b0 = _mm_unpacklo_epi32(a0, a1);
+ b1 = _mm_unpacklo_epi32(a4, a5);
+ b2 = _mm_unpackhi_epi32(a0, a1);
+ b3 = _mm_unpackhi_epi32(a4, a5);
+ b4 = _mm_unpacklo_epi32(a2, a3);
+ b5 = _mm_unpacklo_epi32(a6, a7);
+ b6 = _mm_unpackhi_epi32(a2, a3);
+ b7 = _mm_unpackhi_epi32(a6, a7);
+
+ in[0] = _mm_unpacklo_epi64(b0, b1);
+ in[1] = _mm_unpackhi_epi64(b0, b1);
+ in[2] = _mm_unpacklo_epi64(b2, b3);
+ in[3] = _mm_unpackhi_epi64(b2, b3);
+ in[4] = _mm_unpacklo_epi64(b4, b5);
+ in[5] = _mm_unpackhi_epi64(b4, b5);
+ in[6] = _mm_unpacklo_epi64(b6, b7);
+ in[7] = _mm_unpackhi_epi64(b6, b7);
+ } else {
+ in[0] = _mm_add_epi16(a0, a4);
+ in[7] = _mm_add_epi16(a1, a5);
+ in[3] = _mm_add_epi16(a2, a6);
+ in[4] = _mm_add_epi16(a3, a7);
+ in[2] = _mm_sub_epi16(a0, a4);
+ in[6] = _mm_sub_epi16(a1, a5);
+ in[1] = _mm_sub_epi16(a2, a6);
+ in[5] = _mm_sub_epi16(a3, a7);
+ }
+}
+
+static INLINE void hadamard_8x8_sse2(const int16_t *src_diff,
+ ptrdiff_t src_stride, tran_low_t *coeff,
+ int is_final) {
+ __m128i src[8];
+ src[0] = _mm_load_si128((const __m128i *)src_diff);
+ src[1] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
+ src[2] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
+ src[3] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
+ src[4] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
+ src[5] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
+ src[6] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
+ src[7] = _mm_load_si128((const __m128i *)(src_diff + src_stride));
+
+ hadamard_col8_sse2(src, 0);
+ hadamard_col8_sse2(src, 1);
+
+ if (is_final) {
+ store_tran_low(src[0], coeff);
+ coeff += 8;
+ store_tran_low(src[1], coeff);
+ coeff += 8;
+ store_tran_low(src[2], coeff);
+ coeff += 8;
+ store_tran_low(src[3], coeff);
+ coeff += 8;
+ store_tran_low(src[4], coeff);
+ coeff += 8;
+ store_tran_low(src[5], coeff);
+ coeff += 8;
+ store_tran_low(src[6], coeff);
+ coeff += 8;
+ store_tran_low(src[7], coeff);
+ } else {
+ int16_t *coeff16 = (int16_t *)coeff;
+ _mm_store_si128((__m128i *)coeff16, src[0]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[1]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[2]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[3]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[4]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[5]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[6]);
+ coeff16 += 8;
+ _mm_store_si128((__m128i *)coeff16, src[7]);
+ }
+}
+
+void vpx_hadamard_8x8_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
+ tran_low_t *coeff) {
+ hadamard_8x8_sse2(src_diff, src_stride, coeff, 1);
+}
+
+static INLINE void hadamard_16x16_sse2(const int16_t *src_diff,
+ ptrdiff_t src_stride, tran_low_t *coeff,
+ int is_final) {
+#if CONFIG_VP9_HIGHBITDEPTH
+ // For high bitdepths, it is unnecessary to store_tran_low
+ // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the
+ // next stage. Output to an intermediate buffer first, then store_tran_low()
+ // in the final stage.
+ DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]);
+ int16_t *t_coeff = temp_coeff;
+#else
+ int16_t *t_coeff = coeff;
+#endif
+ int16_t *coeff16 = (int16_t *)coeff;
+ int idx;
+ for (idx = 0; idx < 4; ++idx) {
+ const int16_t *src_ptr =
+ src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8;
+ hadamard_8x8_sse2(src_ptr, src_stride, (tran_low_t *)(t_coeff + idx * 64),
+ 0);
+ }
+
+ for (idx = 0; idx < 64; idx += 8) {
+ __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff);
+ __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 64));
+ __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 128));
+ __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 192));
+
+ __m128i b0 = _mm_add_epi16(coeff0, coeff1);
+ __m128i b1 = _mm_sub_epi16(coeff0, coeff1);
+ __m128i b2 = _mm_add_epi16(coeff2, coeff3);
+ __m128i b3 = _mm_sub_epi16(coeff2, coeff3);
+
+ b0 = _mm_srai_epi16(b0, 1);
+ b1 = _mm_srai_epi16(b1, 1);
+ b2 = _mm_srai_epi16(b2, 1);
+ b3 = _mm_srai_epi16(b3, 1);
+
+ coeff0 = _mm_add_epi16(b0, b2);
+ coeff1 = _mm_add_epi16(b1, b3);
+ coeff2 = _mm_sub_epi16(b0, b2);
+ coeff3 = _mm_sub_epi16(b1, b3);
+
+ if (is_final) {
+ store_tran_low(coeff0, coeff);
+ store_tran_low(coeff1, coeff + 64);
+ store_tran_low(coeff2, coeff + 128);
+ store_tran_low(coeff3, coeff + 192);
+ coeff += 8;
+ } else {
+ _mm_store_si128((__m128i *)coeff16, coeff0);
+ _mm_store_si128((__m128i *)(coeff16 + 64), coeff1);
+ _mm_store_si128((__m128i *)(coeff16 + 128), coeff2);
+ _mm_store_si128((__m128i *)(coeff16 + 192), coeff3);
+ coeff16 += 8;
+ }
+
+ t_coeff += 8;
+ }
+}
+
+void vpx_hadamard_16x16_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
+ tran_low_t *coeff) {
+ hadamard_16x16_sse2(src_diff, src_stride, coeff, 1);
+}
+
+void vpx_hadamard_32x32_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
+ tran_low_t *coeff) {
+#if CONFIG_VP9_HIGHBITDEPTH
+ // For high bitdepths, it is unnecessary to store_tran_low
+ // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the
+ // next stage. Output to an intermediate buffer first, then store_tran_low()
+ // in the final stage.
+ DECLARE_ALIGNED(32, int16_t, temp_coeff[32 * 32]);
+ int16_t *t_coeff = temp_coeff;
+#else
+ int16_t *t_coeff = coeff;
+#endif
+ int idx;
+ __m128i coeff0_lo, coeff1_lo, coeff2_lo, coeff3_lo, b0_lo, b1_lo, b2_lo,
+ b3_lo;
+ __m128i coeff0_hi, coeff1_hi, coeff2_hi, coeff3_hi, b0_hi, b1_hi, b2_hi,
+ b3_hi;
+ __m128i b0, b1, b2, b3;
+ const __m128i zero = _mm_setzero_si128();
+ for (idx = 0; idx < 4; ++idx) {
+ const int16_t *src_ptr =
+ src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16;
+ hadamard_16x16_sse2(src_ptr, src_stride,
+ (tran_low_t *)(t_coeff + idx * 256), 0);
+ }
+
+ for (idx = 0; idx < 256; idx += 8) {
+ __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff);
+ __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 256));
+ __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 512));
+ __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 768));
+
+ // Sign extend 16 bit to 32 bit.
+ sign_extend_16bit_to_32bit_sse2(coeff0, zero, &coeff0_lo, &coeff0_hi);
+ sign_extend_16bit_to_32bit_sse2(coeff1, zero, &coeff1_lo, &coeff1_hi);
+ sign_extend_16bit_to_32bit_sse2(coeff2, zero, &coeff2_lo, &coeff2_hi);
+ sign_extend_16bit_to_32bit_sse2(coeff3, zero, &coeff3_lo, &coeff3_hi);
+
+ b0_lo = _mm_add_epi32(coeff0_lo, coeff1_lo);
+ b0_hi = _mm_add_epi32(coeff0_hi, coeff1_hi);
+
+ b1_lo = _mm_sub_epi32(coeff0_lo, coeff1_lo);
+ b1_hi = _mm_sub_epi32(coeff0_hi, coeff1_hi);
+
+ b2_lo = _mm_add_epi32(coeff2_lo, coeff3_lo);
+ b2_hi = _mm_add_epi32(coeff2_hi, coeff3_hi);
+
+ b3_lo = _mm_sub_epi32(coeff2_lo, coeff3_lo);
+ b3_hi = _mm_sub_epi32(coeff2_hi, coeff3_hi);
+
+ b0_lo = _mm_srai_epi32(b0_lo, 2);
+ b1_lo = _mm_srai_epi32(b1_lo, 2);
+ b2_lo = _mm_srai_epi32(b2_lo, 2);
+ b3_lo = _mm_srai_epi32(b3_lo, 2);
+
+ b0_hi = _mm_srai_epi32(b0_hi, 2);
+ b1_hi = _mm_srai_epi32(b1_hi, 2);
+ b2_hi = _mm_srai_epi32(b2_hi, 2);
+ b3_hi = _mm_srai_epi32(b3_hi, 2);
+
+ b0 = _mm_packs_epi32(b0_lo, b0_hi);
+ b1 = _mm_packs_epi32(b1_lo, b1_hi);
+ b2 = _mm_packs_epi32(b2_lo, b2_hi);
+ b3 = _mm_packs_epi32(b3_lo, b3_hi);
+
+ coeff0 = _mm_add_epi16(b0, b2);
+ coeff1 = _mm_add_epi16(b1, b3);
+ store_tran_low(coeff0, coeff);
+ store_tran_low(coeff1, coeff + 256);
+
+ coeff2 = _mm_sub_epi16(b0, b2);
+ coeff3 = _mm_sub_epi16(b1, b3);
+ store_tran_low(coeff2, coeff + 512);
+ store_tran_low(coeff3, coeff + 768);
+
+ coeff += 8;
+ t_coeff += 8;
+ }
+}
+
+int vpx_satd_sse2(const tran_low_t *coeff, int length) {
+ int i;
+ const __m128i zero = _mm_setzero_si128();
+ __m128i accum = zero;
+
+ for (i = 0; i < length; i += 8) {
+ const __m128i src_line = load_tran_low(coeff);
+ const __m128i inv = _mm_sub_epi16(zero, src_line);
+ const __m128i abs = _mm_max_epi16(src_line, inv); // abs(src_line)
+ const __m128i abs_lo = _mm_unpacklo_epi16(abs, zero);
+ const __m128i abs_hi = _mm_unpackhi_epi16(abs, zero);
+ const __m128i sum = _mm_add_epi32(abs_lo, abs_hi);
+ accum = _mm_add_epi32(accum, sum);
+ coeff += 8;
+ }
+
+ { // cascading summation of accum
+ __m128i hi = _mm_srli_si128(accum, 8);
+ accum = _mm_add_epi32(accum, hi);
+ hi = _mm_srli_epi64(accum, 32);
+ accum = _mm_add_epi32(accum, hi);
+ }
+
+ return _mm_cvtsi128_si32(accum);
+}
+
+void vpx_int_pro_row_sse2(int16_t hbuf[16], const uint8_t *ref,
+ const int ref_stride, const int height) {
+ int idx;
+ __m128i zero = _mm_setzero_si128();
+ __m128i src_line = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s0 = _mm_unpacklo_epi8(src_line, zero);
+ __m128i s1 = _mm_unpackhi_epi8(src_line, zero);
+ __m128i t0, t1;
+ int height_1 = height - 1;
+ ref += ref_stride;
+
+ for (idx = 1; idx < height_1; idx += 2) {
+ src_line = _mm_loadu_si128((const __m128i *)ref);
+ t0 = _mm_unpacklo_epi8(src_line, zero);
+ t1 = _mm_unpackhi_epi8(src_line, zero);
+ s0 = _mm_adds_epu16(s0, t0);
+ s1 = _mm_adds_epu16(s1, t1);
+ ref += ref_stride;
+
+ src_line = _mm_loadu_si128((const __m128i *)ref);
+ t0 = _mm_unpacklo_epi8(src_line, zero);
+ t1 = _mm_unpackhi_epi8(src_line, zero);
+ s0 = _mm_adds_epu16(s0, t0);
+ s1 = _mm_adds_epu16(s1, t1);
+ ref += ref_stride;
+ }
+
+ src_line = _mm_loadu_si128((const __m128i *)ref);
+ t0 = _mm_unpacklo_epi8(src_line, zero);
+ t1 = _mm_unpackhi_epi8(src_line, zero);
+ s0 = _mm_adds_epu16(s0, t0);
+ s1 = _mm_adds_epu16(s1, t1);
+
+ if (height == 64) {
+ s0 = _mm_srai_epi16(s0, 5);
+ s1 = _mm_srai_epi16(s1, 5);
+ } else if (height == 32) {
+ s0 = _mm_srai_epi16(s0, 4);
+ s1 = _mm_srai_epi16(s1, 4);
+ } else {
+ s0 = _mm_srai_epi16(s0, 3);
+ s1 = _mm_srai_epi16(s1, 3);
+ }
+
+ _mm_storeu_si128((__m128i *)hbuf, s0);
+ hbuf += 8;
+ _mm_storeu_si128((__m128i *)hbuf, s1);
+}
+
+int16_t vpx_int_pro_col_sse2(const uint8_t *ref, const int width) {
+ __m128i zero = _mm_setzero_si128();
+ __m128i src_line = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s0 = _mm_sad_epu8(src_line, zero);
+ __m128i s1;
+ int i;
+
+ for (i = 16; i < width; i += 16) {
+ ref += 16;
+ src_line = _mm_loadu_si128((const __m128i *)ref);
+ s1 = _mm_sad_epu8(src_line, zero);
+ s0 = _mm_adds_epu16(s0, s1);
+ }
+
+ s1 = _mm_srli_si128(s0, 8);
+ s0 = _mm_adds_epu16(s0, s1);
+
+ return _mm_extract_epi16(s0, 0);
+}
+
+int vpx_vector_var_sse2(const int16_t *ref, const int16_t *src, const int bwl) {
+ int idx;
+ int width = 4 << bwl;
+ int16_t mean;
+ __m128i v0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i v1 = _mm_load_si128((const __m128i *)src);
+ __m128i diff = _mm_subs_epi16(v0, v1);
+ __m128i sum = diff;
+ __m128i sse = _mm_madd_epi16(diff, diff);
+
+ ref += 8;
+ src += 8;
+
+ for (idx = 8; idx < width; idx += 8) {
+ v0 = _mm_loadu_si128((const __m128i *)ref);
+ v1 = _mm_load_si128((const __m128i *)src);
+ diff = _mm_subs_epi16(v0, v1);
+
+ sum = _mm_add_epi16(sum, diff);
+ v0 = _mm_madd_epi16(diff, diff);
+ sse = _mm_add_epi32(sse, v0);
+
+ ref += 8;
+ src += 8;
+ }
+
+ v0 = _mm_srli_si128(sum, 8);
+ sum = _mm_add_epi16(sum, v0);
+ v0 = _mm_srli_epi64(sum, 32);
+ sum = _mm_add_epi16(sum, v0);
+ v0 = _mm_srli_epi32(sum, 16);
+ sum = _mm_add_epi16(sum, v0);
+
+ v1 = _mm_srli_si128(sse, 8);
+ sse = _mm_add_epi32(sse, v1);
+ v1 = _mm_srli_epi64(sse, 32);
+ sse = _mm_add_epi32(sse, v1);
+
+ mean = (int16_t)_mm_extract_epi16(sum, 0);
+
+ return _mm_cvtsi128_si32(sse) - ((mean * mean) >> (bwl + 2));
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 09:21:04 +0000