#include "vpx_dsp/x86/convolve_sse2.h"
#include "vpx_ports/mem.h"
+#define CONV8_ROUNDING_BITS (7)
+#define CONV8_ROUNDING_NUM (1 << (CONV8_ROUNDING_BITS - 1))
+
void vpx_filter_block1d16_h4_sse2(const uint8_t *src_ptr, ptrdiff_t src_stride,
uint8_t *dst_ptr, ptrdiff_t dst_stride,
uint32_t height, const int16_t *kernel) {
src_reg_shift_3 = _mm_srli_si128(src_reg, 3);
// Output 6 4 2 0
- even = multiply_add_epi8_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
- &kernel_reg_45);
+ even = mm_madd_add_epi8_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
+ &kernel_reg_45);
// Output 7 5 3 1
- odd = multiply_add_epi8_sse2(&src_reg_shift_1, &src_reg_shift_3,
- &kernel_reg_23, &kernel_reg_45);
+ odd = mm_madd_add_epi8_sse2(&src_reg_shift_1, &src_reg_shift_3,
+ &kernel_reg_23, &kernel_reg_45);
// Combine to get the first half of the dst
- dst_first = combine_epi32_sse2(&even, &odd);
+ dst_first = mm_zip_epi32_sse2(&even, &odd);
// Do again to get the second half of dst
src_reg = _mm_loadu_si128((const __m128i *)(src_ptr + 8));
src_reg_shift_3 = _mm_srli_si128(src_reg, 3);
// Output 14 12 10 8
- even = multiply_add_epi8_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
- &kernel_reg_45);
+ even = mm_madd_add_epi8_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
+ &kernel_reg_45);
// Output 15 13 11 9
- odd = multiply_add_epi8_sse2(&src_reg_shift_1, &src_reg_shift_3,
- &kernel_reg_23, &kernel_reg_45);
+ odd = mm_madd_add_epi8_sse2(&src_reg_shift_1, &src_reg_shift_3,
+ &kernel_reg_23, &kernel_reg_45);
// Combine to get the second half of the dst
- dst_second = combine_epi32_sse2(&even, &odd);
+ dst_second = mm_zip_epi32_sse2(&even, &odd);
// Round each result
- dst_first = round_epi16_sse2(&dst_first, ®_32, 6);
- dst_second = round_epi16_sse2(&dst_second, ®_32, 6);
+ dst_first = mm_round_epi16_sse2(&dst_first, ®_32, 6);
+ dst_second = mm_round_epi16_sse2(&dst_second, ®_32, 6);
// Finally combine to get the final dst
dst_first = _mm_packus_epi16(dst_first, dst_second);
src_reg_23_hi = _mm_unpackhi_epi8(src_reg_2, src_reg_3);
// Partial output from first half
- res_reg_m10_lo = multiply_add_packs_epi16_sse2(
+ res_reg_m10_lo = mm_madd_packs_epi16_sse2(
&src_reg_m10_lo_1, &src_reg_m10_lo_2, &kernel_reg_23);
- res_reg_01_lo = multiply_add_packs_epi16_sse2(
- &src_reg_01_lo_1, &src_reg_01_lo_2, &kernel_reg_23);
+ res_reg_01_lo = mm_madd_packs_epi16_sse2(&src_reg_01_lo_1, &src_reg_01_lo_2,
+ &kernel_reg_23);
src_reg_12_lo_1 = _mm_unpacklo_epi8(src_reg_12_lo, _mm_setzero_si128());
src_reg_12_lo_2 = _mm_unpackhi_epi8(src_reg_12_lo, _mm_setzero_si128());
- res_reg_12_lo = multiply_add_packs_epi16_sse2(
- &src_reg_12_lo_1, &src_reg_12_lo_2, &kernel_reg_45);
+ res_reg_12_lo = mm_madd_packs_epi16_sse2(&src_reg_12_lo_1, &src_reg_12_lo_2,
+ &kernel_reg_45);
src_reg_23_lo_1 = _mm_unpacklo_epi8(src_reg_23_lo, _mm_setzero_si128());
src_reg_23_lo_2 = _mm_unpackhi_epi8(src_reg_23_lo, _mm_setzero_si128());
- res_reg_23_lo = multiply_add_packs_epi16_sse2(
- &src_reg_23_lo_1, &src_reg_23_lo_2, &kernel_reg_45);
+ res_reg_23_lo = mm_madd_packs_epi16_sse2(&src_reg_23_lo_1, &src_reg_23_lo_2,
+ &kernel_reg_45);
// Add to get first half of the results
res_reg_m1012_lo = _mm_adds_epi16(res_reg_m10_lo, res_reg_12_lo);
// Now repeat everything again for the second half
// Partial output for second half
- res_reg_m10_hi = multiply_add_packs_epi16_sse2(
+ res_reg_m10_hi = mm_madd_packs_epi16_sse2(
&src_reg_m10_hi_1, &src_reg_m10_hi_2, &kernel_reg_23);
- res_reg_01_hi = multiply_add_packs_epi16_sse2(
- &src_reg_01_hi_1, &src_reg_01_hi_2, &kernel_reg_23);
+ res_reg_01_hi = mm_madd_packs_epi16_sse2(&src_reg_01_hi_1, &src_reg_01_hi_2,
+ &kernel_reg_23);
src_reg_12_hi_1 = _mm_unpacklo_epi8(src_reg_12_hi, _mm_setzero_si128());
src_reg_12_hi_2 = _mm_unpackhi_epi8(src_reg_12_hi, _mm_setzero_si128());
- res_reg_12_hi = multiply_add_packs_epi16_sse2(
- &src_reg_12_hi_1, &src_reg_12_hi_2, &kernel_reg_45);
+ res_reg_12_hi = mm_madd_packs_epi16_sse2(&src_reg_12_hi_1, &src_reg_12_hi_2,
+ &kernel_reg_45);
src_reg_23_hi_1 = _mm_unpacklo_epi8(src_reg_23_hi, _mm_setzero_si128());
src_reg_23_hi_2 = _mm_unpackhi_epi8(src_reg_23_hi, _mm_setzero_si128());
- res_reg_23_hi = multiply_add_packs_epi16_sse2(
- &src_reg_23_hi_1, &src_reg_23_hi_2, &kernel_reg_45);
+ res_reg_23_hi = mm_madd_packs_epi16_sse2(&src_reg_23_hi_1, &src_reg_23_hi_2,
+ &kernel_reg_45);
// Second half of the results
res_reg_m1012_hi = _mm_adds_epi16(res_reg_m10_hi, res_reg_12_hi);
res_reg_0123_hi = _mm_adds_epi16(res_reg_01_hi, res_reg_23_hi);
// Round the words
- res_reg_m1012_lo = round_epi16_sse2(&res_reg_m1012_lo, ®_32, 6);
- res_reg_0123_lo = round_epi16_sse2(&res_reg_0123_lo, ®_32, 6);
- res_reg_m1012_hi = round_epi16_sse2(&res_reg_m1012_hi, ®_32, 6);
- res_reg_0123_hi = round_epi16_sse2(&res_reg_0123_hi, ®_32, 6);
+ res_reg_m1012_lo = mm_round_epi16_sse2(&res_reg_m1012_lo, ®_32, 6);
+ res_reg_0123_lo = mm_round_epi16_sse2(&res_reg_0123_lo, ®_32, 6);
+ res_reg_m1012_hi = mm_round_epi16_sse2(&res_reg_m1012_hi, ®_32, 6);
+ res_reg_0123_hi = mm_round_epi16_sse2(&res_reg_0123_hi, ®_32, 6);
// Combine to get the result
res_reg_m1012 = _mm_packus_epi16(res_reg_m1012_lo, res_reg_m1012_hi);
src_reg_shift_3 = _mm_srli_si128(src_reg, 3);
// Output 6 4 2 0
- even = multiply_add_epi8_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
- &kernel_reg_45);
+ even = mm_madd_add_epi8_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
+ &kernel_reg_45);
// Output 7 5 3 1
- odd = multiply_add_epi8_sse2(&src_reg_shift_1, &src_reg_shift_3,
- &kernel_reg_23, &kernel_reg_45);
+ odd = mm_madd_add_epi8_sse2(&src_reg_shift_1, &src_reg_shift_3,
+ &kernel_reg_23, &kernel_reg_45);
// Combine to get the first half of the dst
- dst_first = combine_epi32_sse2(&even, &odd);
- dst_first = round_epi16_sse2(&dst_first, ®_32, 6);
+ dst_first = mm_zip_epi32_sse2(&even, &odd);
+ dst_first = mm_round_epi16_sse2(&dst_first, ®_32, 6);
// Saturate and convert to 8-bit words
dst_first = _mm_packus_epi16(dst_first, _mm_setzero_si128());
src_reg_23_lo = _mm_unpacklo_epi8(src_reg_2, src_reg_3);
// Partial output
- res_reg_m10_lo = multiply_add_packs_epi16_sse2(
+ res_reg_m10_lo = mm_madd_packs_epi16_sse2(
&src_reg_m10_lo_1, &src_reg_m10_lo_2, &kernel_reg_23);
- res_reg_01_lo = multiply_add_packs_epi16_sse2(
- &src_reg_01_lo_1, &src_reg_01_lo_2, &kernel_reg_23);
+ res_reg_01_lo = mm_madd_packs_epi16_sse2(&src_reg_01_lo_1, &src_reg_01_lo_2,
+ &kernel_reg_23);
src_reg_12_lo_1 = _mm_unpacklo_epi8(src_reg_12_lo, _mm_setzero_si128());
src_reg_12_lo_2 = _mm_unpackhi_epi8(src_reg_12_lo, _mm_setzero_si128());
- res_reg_12_lo = multiply_add_packs_epi16_sse2(
- &src_reg_12_lo_1, &src_reg_12_lo_2, &kernel_reg_45);
+ res_reg_12_lo = mm_madd_packs_epi16_sse2(&src_reg_12_lo_1, &src_reg_12_lo_2,
+ &kernel_reg_45);
src_reg_23_lo_1 = _mm_unpacklo_epi8(src_reg_23_lo, _mm_setzero_si128());
src_reg_23_lo_2 = _mm_unpackhi_epi8(src_reg_23_lo, _mm_setzero_si128());
- res_reg_23_lo = multiply_add_packs_epi16_sse2(
- &src_reg_23_lo_1, &src_reg_23_lo_2, &kernel_reg_45);
+ res_reg_23_lo = mm_madd_packs_epi16_sse2(&src_reg_23_lo_1, &src_reg_23_lo_2,
+ &kernel_reg_45);
// Add to get results
res_reg_m1012_lo = _mm_adds_epi16(res_reg_m10_lo, res_reg_12_lo);
res_reg_0123_lo = _mm_adds_epi16(res_reg_01_lo, res_reg_23_lo);
// Round the words
- res_reg_m1012_lo = round_epi16_sse2(&res_reg_m1012_lo, ®_32, 6);
- res_reg_0123_lo = round_epi16_sse2(&res_reg_0123_lo, ®_32, 6);
+ res_reg_m1012_lo = mm_round_epi16_sse2(&res_reg_m1012_lo, ®_32, 6);
+ res_reg_0123_lo = mm_round_epi16_sse2(&res_reg_0123_lo, ®_32, 6);
// Convert to 8-bit words
res_reg_m1012 = _mm_packus_epi16(res_reg_m1012_lo, _mm_setzero_si128());
dst_first = _mm_add_epi32(tmp_0, tmp_1);
dst_first = _mm_packs_epi32(dst_first, _mm_setzero_si128());
- dst_first = round_epi16_sse2(&dst_first, ®_32, 6);
+ dst_first = mm_round_epi16_sse2(&dst_first, ®_32, 6);
// Saturate and convert to 8-bit words
dst_first = _mm_packus_epi16(dst_first, _mm_setzero_si128());
src_reg_23_lo = _mm_unpacklo_epi8(src_reg_2, src_reg_3);
// Partial output
- res_reg_m10_lo = multiply_add_packs_epi16_sse2(&src_reg_m10_lo_1, ®_zero,
- &kernel_reg_23);
+ res_reg_m10_lo =
+ mm_madd_packs_epi16_sse2(&src_reg_m10_lo_1, ®_zero, &kernel_reg_23);
- res_reg_01_lo = multiply_add_packs_epi16_sse2(&src_reg_01_lo_1, ®_zero,
- &kernel_reg_23);
+ res_reg_01_lo =
+ mm_madd_packs_epi16_sse2(&src_reg_01_lo_1, ®_zero, &kernel_reg_23);
src_reg_12_lo_1 = _mm_unpacklo_epi8(src_reg_12_lo, _mm_setzero_si128());
- res_reg_12_lo = multiply_add_packs_epi16_sse2(&src_reg_12_lo_1, ®_zero,
- &kernel_reg_45);
+ res_reg_12_lo =
+ mm_madd_packs_epi16_sse2(&src_reg_12_lo_1, ®_zero, &kernel_reg_45);
src_reg_23_lo_1 = _mm_unpacklo_epi8(src_reg_23_lo, _mm_setzero_si128());
- res_reg_23_lo = multiply_add_packs_epi16_sse2(&src_reg_23_lo_1, ®_zero,
- &kernel_reg_45);
+ res_reg_23_lo =
+ mm_madd_packs_epi16_sse2(&src_reg_23_lo_1, ®_zero, &kernel_reg_45);
// Add to get results
res_reg_m1012_lo = _mm_adds_epi16(res_reg_m10_lo, res_reg_12_lo);
res_reg_0123_lo = _mm_adds_epi16(res_reg_01_lo, res_reg_23_lo);
// Round the words
- res_reg_m1012_lo = round_epi16_sse2(&res_reg_m1012_lo, ®_32, 6);
- res_reg_0123_lo = round_epi16_sse2(&res_reg_0123_lo, ®_32, 6);
+ res_reg_m1012_lo = mm_round_epi16_sse2(&res_reg_m1012_lo, ®_32, 6);
+ res_reg_0123_lo = mm_round_epi16_sse2(&res_reg_0123_lo, ®_32, 6);
// Convert to 8-bit words
res_reg_m1012 = _mm_packus_epi16(res_reg_m1012_lo, reg_zero);
src_reg_1 = src_reg_3;
}
}
+
+void vpx_highbd_filter_block1d4_h4_sse2(const uint16_t *src_ptr,
+ ptrdiff_t src_stride, uint16_t *dst_ptr,
+ ptrdiff_t dst_stride, uint32_t height,
+ const int16_t *kernel, int bd) {
+ // We will load multiple shifted versions of the row and shuffle them into
+ // 16-bit words of the form
+ // ... s[2] s[1] s[0] s[-1]
+ // ... s[4] s[3] s[2] s[1]
+ // Then we call multiply and add to get partial results
+ // s[2]k[3]+s[1]k[2] s[0]k[3]s[-1]k[2]
+ // s[4]k[5]+s[3]k[4] s[2]k[5]s[1]k[4]
+ // The two results are then added together to get the even output
+
+ __m128i src_reg, src_reg_shift_1, src_reg_shift_2, src_reg_shift_3;
+ __m128i res_reg;
+ __m128i even, odd;
+
+ __m128i kernel_reg; // Kernel
+ __m128i kernel_reg_23, kernel_reg_45; // Segments of the kernel used
+ const __m128i reg_round =
+ _mm_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding
+ const __m128i reg_max = _mm_set1_epi16((1 << bd) - 1);
+ const __m128i reg_zero = _mm_setzero_si128();
+ int h;
+
+ // Start one pixel before as we need tap/2 - 1 = 1 sample from the past
+ src_ptr -= 1;
+
+ // Load Kernel
+ kernel_reg = _mm_loadu_si128((const __m128i *)kernel);
+ kernel_reg_23 = extract_quarter_2_epi16_sse2(&kernel_reg);
+ kernel_reg_45 = extract_quarter_3_epi16_sse2(&kernel_reg);
+
+ for (h = height; h > 0; --h) {
+ src_reg = _mm_loadu_si128((const __m128i *)src_ptr);
+ src_reg_shift_1 = _mm_srli_si128(src_reg, 2);
+ src_reg_shift_2 = _mm_srli_si128(src_reg, 4);
+ src_reg_shift_3 = _mm_srli_si128(src_reg, 6);
+
+ // Output 2 0
+ even = mm_madd_add_epi16_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
+ &kernel_reg_45);
+
+ // Output 3 1
+ odd = mm_madd_add_epi16_sse2(&src_reg_shift_1, &src_reg_shift_3,
+ &kernel_reg_23, &kernel_reg_45);
+
+ // Combine to get the first half of the dst
+ res_reg = _mm_unpacklo_epi32(even, odd);
+ res_reg = mm_round_epi32_sse2(&res_reg, ®_round, CONV8_ROUNDING_BITS);
+ res_reg = _mm_packs_epi32(res_reg, reg_zero);
+
+ // Saturate the result and save
+ res_reg = _mm_min_epi16(res_reg, reg_max);
+ res_reg = _mm_max_epi16(res_reg, reg_zero);
+ _mm_storel_epi64((__m128i *)dst_ptr, res_reg);
+
+ src_ptr += src_stride;
+ dst_ptr += dst_stride;
+ }
+}
+
+void vpx_highbd_filter_block1d4_v4_sse2(const uint16_t *src_ptr,
+ ptrdiff_t src_stride, uint16_t *dst_ptr,
+ ptrdiff_t dst_stride, uint32_t height,
+ const int16_t *kernel, int bd) {
+ // We will load two rows of pixels as 16-bit words, and shuffle them into the
+ // form
+ // ... s[0,1] s[-1,1] s[0,0] s[-1,0]
+ // ... s[0,7] s[-1,7] s[0,6] s[-1,6]
+ // ... s[0,9] s[-1,9] s[0,8] s[-1,8]
+ // ... s[0,13] s[-1,13] s[0,12] s[-1,12]
+ // so that we can call multiply and add with the kernel to get 32-bit words of
+ // the form
+ // ... s[0,1]k[3]+s[-1,1]k[2] s[0,0]k[3]+s[-1,0]k[2]
+ // Finally, we can add multiple rows together to get the desired output.
+
+ // Register for source s[-1:3, :]
+ __m128i src_reg_m1, src_reg_0, src_reg_1, src_reg_2, src_reg_3;
+ // Interleaved rows of the source. lo is first half, hi second
+ __m128i src_reg_m10, src_reg_01;
+ __m128i src_reg_12, src_reg_23;
+
+ __m128i kernel_reg; // Kernel
+ __m128i kernel_reg_23, kernel_reg_45; // Segments of the kernel used
+
+ // Result after multiply and add
+ __m128i res_reg_m10, res_reg_01, res_reg_12, res_reg_23;
+ __m128i res_reg_m1012, res_reg_0123;
+
+ const __m128i reg_round =
+ _mm_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding
+ const __m128i reg_max = _mm_set1_epi16((1 << bd) - 1);
+ const __m128i reg_zero = _mm_setzero_si128();
+
+ // We will compute the result two rows at a time
+ const ptrdiff_t src_stride_unrolled = src_stride << 1;
+ const ptrdiff_t dst_stride_unrolled = dst_stride << 1;
+ int h;
+
+ // We only need to go num_taps/2 - 1 row above the source, so we move
+ // 3 - (num_taps/2 - 1) = 4 - num_taps/2 = 2 back down
+ src_ptr += src_stride_unrolled;
+
+ // Load Kernel
+ kernel_reg = _mm_loadu_si128((const __m128i *)kernel);
+ kernel_reg_23 = extract_quarter_2_epi16_sse2(&kernel_reg);
+ kernel_reg_45 = extract_quarter_3_epi16_sse2(&kernel_reg);
+
+ // First shuffle the data
+ src_reg_m1 = _mm_loadl_epi64((const __m128i *)src_ptr);
+ src_reg_0 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_stride));
+ src_reg_m10 = _mm_unpacklo_epi16(src_reg_m1, src_reg_0);
+
+ // More shuffling
+ src_reg_1 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_stride * 2));
+ src_reg_01 = _mm_unpacklo_epi16(src_reg_0, src_reg_1);
+
+ for (h = height; h > 1; h -= 2) {
+ src_reg_2 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_stride * 3));
+
+ src_reg_12 = _mm_unpacklo_epi16(src_reg_1, src_reg_2);
+
+ src_reg_3 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_stride * 4));
+
+ src_reg_23 = _mm_unpacklo_epi16(src_reg_2, src_reg_3);
+
+ // Partial output
+ res_reg_m10 = _mm_madd_epi16(src_reg_m10, kernel_reg_23);
+ res_reg_01 = _mm_madd_epi16(src_reg_01, kernel_reg_23);
+ res_reg_12 = _mm_madd_epi16(src_reg_12, kernel_reg_45);
+ res_reg_23 = _mm_madd_epi16(src_reg_23, kernel_reg_45);
+
+ // Add to get results
+ res_reg_m1012 = _mm_add_epi32(res_reg_m10, res_reg_12);
+ res_reg_0123 = _mm_add_epi32(res_reg_01, res_reg_23);
+
+ // Round the words
+ res_reg_m1012 =
+ mm_round_epi32_sse2(&res_reg_m1012, ®_round, CONV8_ROUNDING_BITS);
+ res_reg_0123 =
+ mm_round_epi32_sse2(&res_reg_0123, ®_round, CONV8_ROUNDING_BITS);
+
+ res_reg_m1012 = _mm_packs_epi32(res_reg_m1012, reg_zero);
+ res_reg_0123 = _mm_packs_epi32(res_reg_0123, reg_zero);
+
+ // Saturate according to bit depth
+ res_reg_m1012 = _mm_min_epi16(res_reg_m1012, reg_max);
+ res_reg_0123 = _mm_min_epi16(res_reg_0123, reg_max);
+ res_reg_m1012 = _mm_max_epi16(res_reg_m1012, reg_zero);
+ res_reg_0123 = _mm_max_epi16(res_reg_0123, reg_zero);
+
+ // Save only half of the register (8 words)
+ _mm_storel_epi64((__m128i *)dst_ptr, res_reg_m1012);
+ _mm_storel_epi64((__m128i *)(dst_ptr + dst_stride), res_reg_0123);
+
+ // Update the source by two rows
+ src_ptr += src_stride_unrolled;
+ dst_ptr += dst_stride_unrolled;
+
+ src_reg_m10 = src_reg_12;
+ src_reg_01 = src_reg_23;
+ src_reg_1 = src_reg_3;
+ }
+}
+
+void vpx_highbd_filter_block1d8_h4_sse2(const uint16_t *src_ptr,
+ ptrdiff_t src_stride, uint16_t *dst_ptr,
+ ptrdiff_t dst_stride, uint32_t height,
+ const int16_t *kernel, int bd) {
+ // We will load multiple shifted versions of the row and shuffle them into
+ // 16-bit words of the form
+ // ... s[2] s[1] s[0] s[-1]
+ // ... s[4] s[3] s[2] s[1]
+ // Then we call multiply and add to get partial results
+ // s[2]k[3]+s[1]k[2] s[0]k[3]s[-1]k[2]
+ // s[4]k[5]+s[3]k[4] s[2]k[5]s[1]k[4]
+ // The two results are then added together for the first half of even
+ // output.
+ // Repeat multiple times to get the whole outoput
+
+ __m128i src_reg, src_reg_next, src_reg_shift_1, src_reg_shift_2,
+ src_reg_shift_3;
+ __m128i res_reg;
+ __m128i even, odd;
+ __m128i tmp_0, tmp_1;
+
+ __m128i kernel_reg; // Kernel
+ __m128i kernel_reg_23, kernel_reg_45; // Segments of the kernel used
+ const __m128i reg_round =
+ _mm_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding
+ const __m128i reg_max = _mm_set1_epi16((1 << bd) - 1);
+ const __m128i reg_zero = _mm_setzero_si128();
+ int h;
+
+ // Start one pixel before as we need tap/2 - 1 = 1 sample from the past
+ src_ptr -= 1;
+
+ // Load Kernel
+ kernel_reg = _mm_loadu_si128((const __m128i *)kernel);
+ kernel_reg_23 = extract_quarter_2_epi16_sse2(&kernel_reg);
+ kernel_reg_45 = extract_quarter_3_epi16_sse2(&kernel_reg);
+
+ for (h = height; h > 0; --h) {
+ // We will put first half in the first half of the reg, and second half in
+ // second half
+ src_reg = _mm_loadu_si128((const __m128i *)src_ptr);
+ src_reg_next = _mm_loadu_si128((const __m128i *)(src_ptr + 5));
+
+ // Output 6 4 2 0
+ tmp_0 = _mm_srli_si128(src_reg, 4);
+ tmp_1 = _mm_srli_si128(src_reg_next, 2);
+ src_reg_shift_2 = _mm_unpacklo_epi64(tmp_0, tmp_1);
+ even = mm_madd_add_epi16_sse2(&src_reg, &src_reg_shift_2, &kernel_reg_23,
+ &kernel_reg_45);
+
+ // Output 7 5 3 1
+ tmp_0 = _mm_srli_si128(src_reg, 2);
+ tmp_1 = src_reg_next;
+ src_reg_shift_1 = _mm_unpacklo_epi64(tmp_0, tmp_1);
+
+ tmp_0 = _mm_srli_si128(src_reg, 6);
+ tmp_1 = _mm_srli_si128(src_reg_next, 4);
+ src_reg_shift_3 = _mm_unpacklo_epi64(tmp_0, tmp_1);
+
+ odd = mm_madd_add_epi16_sse2(&src_reg_shift_1, &src_reg_shift_3,
+ &kernel_reg_23, &kernel_reg_45);
+
+ // Combine to get the first half of the dst
+ even = mm_round_epi32_sse2(&even, ®_round, CONV8_ROUNDING_BITS);
+ odd = mm_round_epi32_sse2(&odd, ®_round, CONV8_ROUNDING_BITS);
+ res_reg = mm_zip_epi32_sse2(&even, &odd);
+
+ // Saturate the result and save
+ res_reg = _mm_min_epi16(res_reg, reg_max);
+ res_reg = _mm_max_epi16(res_reg, reg_zero);
+
+ _mm_store_si128((__m128i *)dst_ptr, res_reg);
+
+ src_ptr += src_stride;
+ dst_ptr += dst_stride;
+ }
+}
+
+void vpx_highbd_filter_block1d8_v4_sse2(const uint16_t *src_ptr,
+ ptrdiff_t src_stride, uint16_t *dst_ptr,
+ ptrdiff_t dst_stride, uint32_t height,
+ const int16_t *kernel, int bd) {
+ // We will load two rows of pixels as 16-bit words, and shuffle them into the
+ // form
+ // ... s[0,1] s[-1,1] s[0,0] s[-1,0]
+ // ... s[0,7] s[-1,7] s[0,6] s[-1,6]
+ // ... s[0,9] s[-1,9] s[0,8] s[-1,8]
+ // ... s[0,13] s[-1,13] s[0,12] s[-1,12]
+ // so that we can call multiply and add with the kernel to get 32-bit words of
+ // the form
+ // ... s[0,1]k[3]+s[-1,1]k[2] s[0,0]k[3]+s[-1,0]k[2]
+ // Finally, we can add multiple rows together to get the desired output.
+
+ // Register for source s[-1:3, :]
+ __m128i src_reg_m1, src_reg_0, src_reg_1, src_reg_2, src_reg_3;
+ // Interleaved rows of the source. lo is first half, hi second
+ __m128i src_reg_m10_lo, src_reg_01_lo, src_reg_m10_hi, src_reg_01_hi;
+ __m128i src_reg_12_lo, src_reg_23_lo, src_reg_12_hi, src_reg_23_hi;
+
+ // Result after multiply and add
+ __m128i res_reg_m10_lo, res_reg_01_lo, res_reg_12_lo, res_reg_23_lo;
+ __m128i res_reg_m10_hi, res_reg_01_hi, res_reg_12_hi, res_reg_23_hi;
+ __m128i res_reg_m1012, res_reg_0123;
+ __m128i res_reg_m1012_lo, res_reg_0123_lo;
+ __m128i res_reg_m1012_hi, res_reg_0123_hi;
+
+ __m128i kernel_reg; // Kernel
+ __m128i kernel_reg_23, kernel_reg_45; // Segments of the kernel used
+
+ const __m128i reg_round =
+ _mm_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding
+ const __m128i reg_max = _mm_set1_epi16((1 << bd) - 1);
+ const __m128i reg_zero = _mm_setzero_si128();
+
+ // We will compute the result two rows at a time
+ const ptrdiff_t src_stride_unrolled = src_stride << 1;
+ const ptrdiff_t dst_stride_unrolled = dst_stride << 1;
+ int h;
+
+ // We only need to go num_taps/2 - 1 row above the source, so we move
+ // 3 - (num_taps/2 - 1) = 4 - num_taps/2 = 2 back down
+ src_ptr += src_stride_unrolled;
+
+ // Load Kernel
+ kernel_reg = _mm_loadu_si128((const __m128i *)kernel);
+ kernel_reg_23 = extract_quarter_2_epi16_sse2(&kernel_reg);
+ kernel_reg_45 = extract_quarter_3_epi16_sse2(&kernel_reg);
+
+ // First shuffle the data
+ src_reg_m1 = _mm_loadu_si128((const __m128i *)src_ptr);
+ src_reg_0 = _mm_loadu_si128((const __m128i *)(src_ptr + src_stride));
+ src_reg_m10_lo = _mm_unpacklo_epi16(src_reg_m1, src_reg_0);
+ src_reg_m10_hi = _mm_unpackhi_epi16(src_reg_m1, src_reg_0);
+
+ // More shuffling
+ src_reg_1 = _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 2));
+ src_reg_01_lo = _mm_unpacklo_epi16(src_reg_0, src_reg_1);
+ src_reg_01_hi = _mm_unpackhi_epi16(src_reg_0, src_reg_1);
+
+ for (h = height; h > 1; h -= 2) {
+ src_reg_2 = _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 3));
+
+ src_reg_12_lo = _mm_unpacklo_epi16(src_reg_1, src_reg_2);
+ src_reg_12_hi = _mm_unpackhi_epi16(src_reg_1, src_reg_2);
+
+ src_reg_3 = _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 4));
+
+ src_reg_23_lo = _mm_unpacklo_epi16(src_reg_2, src_reg_3);
+ src_reg_23_hi = _mm_unpackhi_epi16(src_reg_2, src_reg_3);
+
+ // Partial output for first half
+ res_reg_m10_lo = _mm_madd_epi16(src_reg_m10_lo, kernel_reg_23);
+ res_reg_01_lo = _mm_madd_epi16(src_reg_01_lo, kernel_reg_23);
+ res_reg_12_lo = _mm_madd_epi16(src_reg_12_lo, kernel_reg_45);
+ res_reg_23_lo = _mm_madd_epi16(src_reg_23_lo, kernel_reg_45);
+
+ // Add to get results
+ res_reg_m1012_lo = _mm_add_epi32(res_reg_m10_lo, res_reg_12_lo);
+ res_reg_0123_lo = _mm_add_epi32(res_reg_01_lo, res_reg_23_lo);
+
+ // Round the words
+ res_reg_m1012_lo =
+ mm_round_epi32_sse2(&res_reg_m1012_lo, ®_round, CONV8_ROUNDING_BITS);
+ res_reg_0123_lo =
+ mm_round_epi32_sse2(&res_reg_0123_lo, ®_round, CONV8_ROUNDING_BITS);
+
+ // Partial output for first half
+ res_reg_m10_hi = _mm_madd_epi16(src_reg_m10_hi, kernel_reg_23);
+ res_reg_01_hi = _mm_madd_epi16(src_reg_01_hi, kernel_reg_23);
+ res_reg_12_hi = _mm_madd_epi16(src_reg_12_hi, kernel_reg_45);
+ res_reg_23_hi = _mm_madd_epi16(src_reg_23_hi, kernel_reg_45);
+
+ // Add to get results
+ res_reg_m1012_hi = _mm_add_epi32(res_reg_m10_hi, res_reg_12_hi);
+ res_reg_0123_hi = _mm_add_epi32(res_reg_01_hi, res_reg_23_hi);
+
+ // Round the words
+ res_reg_m1012_hi =
+ mm_round_epi32_sse2(&res_reg_m1012_hi, ®_round, CONV8_ROUNDING_BITS);
+ res_reg_0123_hi =
+ mm_round_epi32_sse2(&res_reg_0123_hi, ®_round, CONV8_ROUNDING_BITS);
+
+ // Combine the two halfs
+ res_reg_m1012 = _mm_packs_epi32(res_reg_m1012_lo, res_reg_m1012_hi);
+ res_reg_0123 = _mm_packs_epi32(res_reg_0123_lo, res_reg_0123_hi);
+
+ // Saturate according to bit depth
+ res_reg_m1012 = _mm_min_epi16(res_reg_m1012, reg_max);
+ res_reg_0123 = _mm_min_epi16(res_reg_0123, reg_max);
+ res_reg_m1012 = _mm_max_epi16(res_reg_m1012, reg_zero);
+ res_reg_0123 = _mm_max_epi16(res_reg_0123, reg_zero);
+
+ // Save only half of the register (8 words)
+ _mm_store_si128((__m128i *)dst_ptr, res_reg_m1012);
+ _mm_store_si128((__m128i *)(dst_ptr + dst_stride), res_reg_0123);
+
+ // Update the source by two rows
+ src_ptr += src_stride_unrolled;
+ dst_ptr += dst_stride_unrolled;
+
+ src_reg_m10_lo = src_reg_12_lo;
+ src_reg_m10_hi = src_reg_12_hi;
+ src_reg_01_lo = src_reg_23_lo;
+ src_reg_01_hi = src_reg_23_hi;
+ src_reg_1 = src_reg_3;
+ }
+}
+
+void vpx_highbd_filter_block1d16_h4_sse2(const uint16_t *src_ptr,
+ ptrdiff_t src_stride,
+ uint16_t *dst_ptr,
+ ptrdiff_t dst_stride, uint32_t height,
+ const int16_t *kernel, int bd) {
+ vpx_highbd_filter_block1d8_h4_sse2(src_ptr, src_stride, dst_ptr, dst_stride,
+ height, kernel, bd);
+ vpx_highbd_filter_block1d8_h4_sse2(src_ptr + 8, src_stride, dst_ptr + 8,
+ dst_stride, height, kernel, bd);
+}
+
+void vpx_highbd_filter_block1d16_v4_sse2(const uint16_t *src_ptr,
+ ptrdiff_t src_stride,
+ uint16_t *dst_ptr,
+ ptrdiff_t dst_stride, uint32_t height,
+ const int16_t *kernel, int bd) {
+ vpx_highbd_filter_block1d8_v4_sse2(src_ptr, src_stride, dst_ptr, dst_stride,
+ height, kernel, bd);
+ vpx_highbd_filter_block1d8_v4_sse2(src_ptr + 8, src_stride, dst_ptr + 8,
+ dst_stride, height, kernel, bd);
+}
projects / libvpx / commitdiff