ref: e77f6620a592aa2b21448dfc018d46335424d475
parent: 83f8fee04b3cc4b357298706bd3adadae8eecc97
parent: 5a51d961f2432e13ac2dc97ab75f5e56cab6c6ae
author: Chi Yo Tsai <chiyotsai@google.com>
date: Wed Oct 31 16:38:52 EDT 2018
Merge "Add SSE2 support for hbd 4-tap interpolation filter."
--- a/vpx_dsp/x86/convolve_sse2.h
+++ b/vpx_dsp/x86/convolve_sse2.h
@@ -32,10 +32,10 @@
// Interprets src as 8-bit words, zero extends to form 16-bit words, then
// multiplies with ker and add the adjacent results to form 32-bit words.
// Finally adds the result from 1 and 2 together.
-static INLINE __m128i multiply_add_epi8_sse2(const __m128i *const src_1,
- const __m128i *const src_2,
- const __m128i *const ker_1,
- const __m128i *const ker_2) {+static INLINE __m128i mm_madd_add_epi8_sse2(const __m128i *const src_1,
+ const __m128i *const src_2,
+ const __m128i *const ker_1,
+ const __m128i *const ker_2) {const __m128i src_1_half = _mm_unpacklo_epi8(*src_1, _mm_setzero_si128());
const __m128i src_2_half = _mm_unpacklo_epi8(*src_2, _mm_setzero_si128());
const __m128i madd_1 = _mm_madd_epi16(src_1_half, *ker_1);
@@ -43,9 +43,21 @@
return _mm_add_epi32(madd_1, madd_2);
}
-static INLINE __m128i multiply_add_packs_epi16_sse2(const __m128i *const src_0,
- const __m128i *const src_1,
- const __m128i *const ker) {+// Interprets src as 16-bit words, then multiplies with ker and add the
+// adjacent results to form 32-bit words. Finally adds the result from 1 and 2
+// together.
+static INLINE __m128i mm_madd_add_epi16_sse2(const __m128i *const src_1,
+ const __m128i *const src_2,
+ const __m128i *const ker_1,
+ const __m128i *const ker_2) {+ const __m128i madd_1 = _mm_madd_epi16(*src_1, *ker_1);
+ const __m128i madd_2 = _mm_madd_epi16(*src_2, *ker_2);
+ return _mm_add_epi32(madd_1, madd_2);
+}
+
+static INLINE __m128i mm_madd_packs_epi16_sse2(const __m128i *const src_0,
+ const __m128i *const src_1,
+ const __m128i *const ker) {const __m128i madd_1 = _mm_madd_epi16(*src_0, *ker);
const __m128i madd_2 = _mm_madd_epi16(*src_1, *ker);
return _mm_packs_epi32(madd_1, madd_2);
@@ -52,16 +64,23 @@
}
// Interleaves src_1 and src_2
-static INLINE __m128i combine_epi32_sse2(const __m128i *const src_1,
- const __m128i *const src_2) {+static INLINE __m128i mm_zip_epi32_sse2(const __m128i *const src_1,
+ const __m128i *const src_2) {const __m128i tmp_1 = _mm_unpacklo_epi32(*src_1, *src_2);
const __m128i tmp_2 = _mm_unpackhi_epi32(*src_1, *src_2);
return _mm_packs_epi32(tmp_1, tmp_2);
}
-static INLINE __m128i round_epi16_sse2(const __m128i *const src,
- const __m128i *const half_depth,
- const int depth) {+static INLINE __m128i mm_round_epi32_sse2(const __m128i *const src,
+ const __m128i *const half_depth,
+ const int depth) {+ const __m128i nearest_src = _mm_add_epi32(*src, *half_depth);
+ return _mm_srai_epi32(nearest_src, depth);
+}
+
+static INLINE __m128i mm_round_epi16_sse2(const __m128i *const src,
+ const __m128i *const half_depth,
+ const int depth) {const __m128i nearest_src = _mm_adds_epi16(*src, *half_depth);
return _mm_srai_epi16(nearest_src, depth);
}
--- a/vpx_dsp/x86/vpx_asm_stubs.c
+++ b/vpx_dsp/x86/vpx_asm_stubs.c
@@ -104,12 +104,12 @@
highbd_filter8_1dfunction vpx_highbd_filter_block1d4_v8_avg_sse2;
highbd_filter8_1dfunction vpx_highbd_filter_block1d4_h8_avg_sse2;
-#define vpx_highbd_filter_block1d16_v4_sse2 vpx_highbd_filter_block1d16_v8_sse2
-#define vpx_highbd_filter_block1d16_h4_sse2 vpx_highbd_filter_block1d16_h8_sse2
-#define vpx_highbd_filter_block1d8_v4_sse2 vpx_highbd_filter_block1d8_v8_sse2
-#define vpx_highbd_filter_block1d8_h4_sse2 vpx_highbd_filter_block1d8_h8_sse2
-#define vpx_highbd_filter_block1d4_v4_sse2 vpx_highbd_filter_block1d4_v8_sse2
-#define vpx_highbd_filter_block1d4_h4_sse2 vpx_highbd_filter_block1d4_h8_sse2
+highbd_filter8_1dfunction vpx_highbd_filter_block1d16_v4_sse2;
+highbd_filter8_1dfunction vpx_highbd_filter_block1d16_h4_sse2;
+highbd_filter8_1dfunction vpx_highbd_filter_block1d8_v4_sse2;
+highbd_filter8_1dfunction vpx_highbd_filter_block1d8_h4_sse2;
+highbd_filter8_1dfunction vpx_highbd_filter_block1d4_v4_sse2;
+highbd_filter8_1dfunction vpx_highbd_filter_block1d4_h4_sse2;
#define vpx_highbd_filter_block1d16_v4_avg_sse2 \
vpx_highbd_filter_block1d16_v8_avg_sse2
#define vpx_highbd_filter_block1d16_h4_avg_sse2 \
--- a/vpx_dsp/x86/vpx_subpixel_4t_intrin_sse2.c
+++ b/vpx_dsp/x86/vpx_subpixel_4t_intrin_sse2.c
@@ -16,6 +16,9 @@
#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) {@@ -54,15 +57,15 @@
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));
@@ -71,19 +74,19 @@
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);
@@ -181,21 +184,21 @@
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);
@@ -203,21 +206,21 @@
// 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);
@@ -224,10 +227,10 @@
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);
@@ -288,16 +291,16 @@
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());
@@ -383,21 +386,21 @@
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);
@@ -404,8 +407,8 @@
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());
@@ -480,7 +483,7 @@
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());
@@ -565,19 +568,19 @@
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);
@@ -584,8 +587,8 @@
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);
@@ -603,4 +606,400 @@
src_reg_01_lo_1 = src_reg_23_lo_1;
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);
}
--- a/vpx_dsp/x86/vpx_subpixel_8t_intrin_avx2.c
+++ b/vpx_dsp/x86/vpx_subpixel_8t_intrin_avx2.c
@@ -623,7 +623,7 @@
_mm256_castsi256_si128(kernel_reg_45));
dst_reg = _mm_adds_epi16(tmp_0, tmp_1);
- dst_reg = round_epi16_sse2(&dst_reg, ®_32, 6);
+ dst_reg = mm_round_epi16_sse2(&dst_reg, ®_32, 6);
dst_reg = _mm_packus_epi16(dst_reg, _mm_setzero_si128());
@@ -797,7 +797,7 @@
dst = _mm_hadds_epi16(dst, _mm_setzero_si128());
// Round result
- dst = round_epi16_sse2(&dst, ®_32, 6);
+ dst = mm_round_epi16_sse2(&dst, ®_32, 6);
// Pack to 8-bits
dst = _mm_packus_epi16(dst, _mm_setzero_si128());
--- a/vpx_dsp/x86/vpx_subpixel_8t_intrin_ssse3.c
+++ b/vpx_dsp/x86/vpx_subpixel_8t_intrin_ssse3.c
@@ -246,8 +246,8 @@
dst_second = _mm_adds_epi16(tmp_0, tmp_1);
// 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);
@@ -348,10 +348,10 @@
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);
@@ -421,7 +421,7 @@
dst_first = _mm_adds_epi16(tmp_0, tmp_1);
// Round round result
- dst_first = round_epi16_sse2(&dst_first, ®_32, 6);
+ dst_first = mm_round_epi16_sse2(&dst_first, ®_32, 6);
// Pack to 8-bits
dst_first = _mm_packus_epi16(dst_first, _mm_setzero_si128());
@@ -504,8 +504,8 @@
res_reg_0123 = _mm_adds_epi16(res_reg_01, res_reg_23);
// Round the words
- res_reg_m1012 = round_epi16_sse2(&res_reg_m1012, ®_32, 6);
- res_reg_0123 = round_epi16_sse2(&res_reg_0123, ®_32, 6);
+ res_reg_m1012 = mm_round_epi16_sse2(&res_reg_m1012, ®_32, 6);
+ res_reg_0123 = mm_round_epi16_sse2(&res_reg_0123, ®_32, 6);
// Pack from 16-bit to 8-bit
res_reg_m1012 = _mm_packus_epi16(res_reg_m1012, _mm_setzero_si128());
@@ -563,7 +563,7 @@
dst_first = _mm_hadds_epi16(dst_first, _mm_setzero_si128());
// Round result
- dst_first = round_epi16_sse2(&dst_first, ®_32, 6);
+ dst_first = mm_round_epi16_sse2(&dst_first, ®_32, 6);
// Pack to 8-bits
dst_first = _mm_packus_epi16(dst_first, _mm_setzero_si128());
@@ -648,8 +648,8 @@
reg_1 = _mm_hadds_epi16(reg_1, _mm_setzero_si128());
// Round the words
- reg_0 = round_epi16_sse2(®_0, ®_32, 6);
- reg_1 = round_epi16_sse2(®_1, ®_32, 6);
+ reg_0 = mm_round_epi16_sse2(®_0, ®_32, 6);
+ reg_1 = mm_round_epi16_sse2(®_1, ®_32, 6);
// Pack from 16-bit to 8-bit and put them in the right order
reg_0 = _mm_packus_epi16(reg_0, reg_0);
--
⑨