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Diffstat (limited to 'third_party/aom/aom_dsp/arm/aom_convolve8_neon_i8mm.c')
-rw-r--r--third_party/aom/aom_dsp/arm/aom_convolve8_neon_i8mm.c334
1 files changed, 156 insertions, 178 deletions
diff --git a/third_party/aom/aom_dsp/arm/aom_convolve8_neon_i8mm.c b/third_party/aom/aom_dsp/arm/aom_convolve8_neon_i8mm.c
index df6e4d2ab5..68e031461d 100644
--- a/third_party/aom/aom_dsp/arm/aom_convolve8_neon_i8mm.c
+++ b/third_party/aom/aom_dsp/arm/aom_convolve8_neon_i8mm.c
@@ -23,69 +23,60 @@
#include "aom_dsp/arm/transpose_neon.h"
#include "aom_ports/mem.h"
-DECLARE_ALIGNED(16, static const uint8_t, dot_prod_permute_tbl[48]) = {
+DECLARE_ALIGNED(16, static const uint8_t, kDotProdPermuteTbl[48]) = {
0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6,
4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10,
8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14
};
-DECLARE_ALIGNED(16, static const uint8_t, dot_prod_tran_concat_tbl[32]) = {
- 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27,
- 4, 12, 20, 28, 5, 13, 21, 29, 6, 14, 22, 30, 7, 15, 23, 31
-};
-
-DECLARE_ALIGNED(16, static const uint8_t, dot_prod_merge_block_tbl[48]) = {
- /* Shift left and insert new last column in transposed 4x4 block. */
+DECLARE_ALIGNED(16, static const uint8_t, kDotProdMergeBlockTbl[48]) = {
+ // Shift left and insert new last column in transposed 4x4 block.
1, 2, 3, 16, 5, 6, 7, 20, 9, 10, 11, 24, 13, 14, 15, 28,
- /* Shift left and insert two new columns in transposed 4x4 block. */
+ // Shift left and insert two new columns in transposed 4x4 block.
2, 3, 16, 17, 6, 7, 20, 21, 10, 11, 24, 25, 14, 15, 28, 29,
- /* Shift left and insert three new columns in transposed 4x4 block. */
+ // Shift left and insert three new columns in transposed 4x4 block.
3, 16, 17, 18, 7, 20, 21, 22, 11, 24, 25, 26, 15, 28, 29, 30
};
-static INLINE int16x4_t convolve8_4_usdot(const uint8x16_t samples,
- const int8x8_t filter,
- const uint8x16x2_t permute_tbl) {
- uint8x16_t permuted_samples[2];
- int32x4_t sum;
-
- /* Permute samples ready for dot product. */
- /* { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } */
- permuted_samples[0] = vqtbl1q_u8(samples, permute_tbl.val[0]);
- /* { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } */
- permuted_samples[1] = vqtbl1q_u8(samples, permute_tbl.val[1]);
+static INLINE int16x4_t convolve8_4_h(const uint8x16_t samples,
+ const int8x8_t filters,
+ const uint8x16x2_t permute_tbl) {
+ // Permute samples ready for dot product.
+ // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 }
+ // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 }
+ uint8x16_t permuted_samples[2] = { vqtbl1q_u8(samples, permute_tbl.val[0]),
+ vqtbl1q_u8(samples, permute_tbl.val[1]) };
- sum = vusdotq_lane_s32(vdupq_n_s32(0), permuted_samples[0], filter, 0);
- sum = vusdotq_lane_s32(sum, permuted_samples[1], filter, 1);
+ int32x4_t sum =
+ vusdotq_lane_s32(vdupq_n_s32(0), permuted_samples[0], filters, 0);
+ sum = vusdotq_lane_s32(sum, permuted_samples[1], filters, 1);
- /* Further narrowing and packing is performed by the caller. */
+ // Further narrowing and packing is performed by the caller.
return vqmovn_s32(sum);
}
-static INLINE uint8x8_t convolve8_8_usdot(const uint8x16_t samples,
- const int8x8_t filter,
- const uint8x16x3_t permute_tbl) {
- uint8x16_t permuted_samples[3];
- int32x4_t sum0, sum1;
- int16x8_t sum;
-
- /* Permute samples ready for dot product. */
- /* { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } */
- permuted_samples[0] = vqtbl1q_u8(samples, permute_tbl.val[0]);
- /* { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } */
- permuted_samples[1] = vqtbl1q_u8(samples, permute_tbl.val[1]);
- /* { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 } */
- permuted_samples[2] = vqtbl1q_u8(samples, permute_tbl.val[2]);
-
- /* First 4 output values. */
- sum0 = vusdotq_lane_s32(vdupq_n_s32(0), permuted_samples[0], filter, 0);
- sum0 = vusdotq_lane_s32(sum0, permuted_samples[1], filter, 1);
- /* Second 4 output values. */
- sum1 = vusdotq_lane_s32(vdupq_n_s32(0), permuted_samples[1], filter, 0);
- sum1 = vusdotq_lane_s32(sum1, permuted_samples[2], filter, 1);
-
- /* Narrow and re-pack. */
- sum = vcombine_s16(vqmovn_s32(sum0), vqmovn_s32(sum1));
+static INLINE uint8x8_t convolve8_8_h(const uint8x16_t samples,
+ const int8x8_t filters,
+ const uint8x16x3_t permute_tbl) {
+ // Permute samples ready for dot product.
+ // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 }
+ // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 }
+ // { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 }
+ uint8x16_t permuted_samples[3] = { vqtbl1q_u8(samples, permute_tbl.val[0]),
+ vqtbl1q_u8(samples, permute_tbl.val[1]),
+ vqtbl1q_u8(samples, permute_tbl.val[2]) };
+
+ // First 4 output values.
+ int32x4_t sum0 =
+ vusdotq_lane_s32(vdupq_n_s32(0), permuted_samples[0], filters, 0);
+ sum0 = vusdotq_lane_s32(sum0, permuted_samples[1], filters, 1);
+ // Second 4 output values.
+ int32x4_t sum1 =
+ vusdotq_lane_s32(vdupq_n_s32(0), permuted_samples[1], filters, 0);
+ sum1 = vusdotq_lane_s32(sum1, permuted_samples[2], filters, 1);
+
+ // Narrow and re-pack.
+ int16x8_t sum = vcombine_s16(vqmovn_s32(sum0), vqmovn_s32(sum1));
return vqrshrun_n_s16(sum, FILTER_BITS);
}
@@ -95,7 +86,6 @@ void aom_convolve8_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
const int16_t *filter_y, int y_step_q4,
int w, int h) {
const int8x8_t filter = vmovn_s16(vld1q_s16(filter_x));
- uint8x16_t s0, s1, s2, s3;
assert((intptr_t)dst % 4 == 0);
assert(dst_stride % 4 == 0);
@@ -107,19 +97,17 @@ void aom_convolve8_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
src -= ((SUBPEL_TAPS / 2) - 1);
if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(kDotProdPermuteTbl);
do {
- int16x4_t t0, t1, t2, t3;
- uint8x8_t d01, d23;
-
+ uint8x16_t s0, s1, s2, s3;
load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
- t0 = convolve8_4_usdot(s0, filter, perm_tbl);
- t1 = convolve8_4_usdot(s1, filter, perm_tbl);
- t2 = convolve8_4_usdot(s2, filter, perm_tbl);
- t3 = convolve8_4_usdot(s3, filter, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
+ int16x4_t d0 = convolve8_4_h(s0, filter, perm_tbl);
+ int16x4_t d1 = convolve8_4_h(s1, filter, perm_tbl);
+ int16x4_t d2 = convolve8_4_h(s2, filter, perm_tbl);
+ int16x4_t d3 = convolve8_4_h(s3, filter, perm_tbl);
+ uint8x8_t d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ uint8x8_t d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
store_u8x4_strided_x2(dst + 0 * dst_stride, dst_stride, d01);
store_u8x4_strided_x2(dst + 2 * dst_stride, dst_stride, d23);
@@ -129,23 +117,20 @@ void aom_convolve8_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
h -= 4;
} while (h > 0);
} else {
- const uint8x16x3_t perm_tbl = vld1q_u8_x3(dot_prod_permute_tbl);
- const uint8_t *s;
- uint8_t *d;
- int width;
- uint8x8_t d0, d1, d2, d3;
+ const uint8x16x3_t perm_tbl = vld1q_u8_x3(kDotProdPermuteTbl);
do {
- width = w;
- s = src;
- d = dst;
+ int width = w;
+ const uint8_t *s = src;
+ uint8_t *d = dst;
do {
+ uint8x16_t s0, s1, s2, s3;
load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
- d0 = convolve8_8_usdot(s0, filter, perm_tbl);
- d1 = convolve8_8_usdot(s1, filter, perm_tbl);
- d2 = convolve8_8_usdot(s2, filter, perm_tbl);
- d3 = convolve8_8_usdot(s3, filter, perm_tbl);
+ uint8x8_t d0 = convolve8_8_h(s0, filter, perm_tbl);
+ uint8x8_t d1 = convolve8_8_h(s1, filter, perm_tbl);
+ uint8x8_t d2 = convolve8_8_h(s2, filter, perm_tbl);
+ uint8x8_t d3 = convolve8_8_h(s3, filter, perm_tbl);
store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
@@ -162,79 +147,83 @@ void aom_convolve8_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
static INLINE void transpose_concat_4x4(uint8x8_t a0, uint8x8_t a1,
uint8x8_t a2, uint8x8_t a3,
- uint8x16_t *b,
- const uint8x16_t permute_tbl) {
- /* Transpose 8-bit elements and concatenate result rows as follows:
- * a0: 00, 01, 02, 03, XX, XX, XX, XX
- * a1: 10, 11, 12, 13, XX, XX, XX, XX
- * a2: 20, 21, 22, 23, XX, XX, XX, XX
- * a3: 30, 31, 32, 33, XX, XX, XX, XX
- *
- * b: 00, 10, 20, 30, 01, 11, 21, 31, 02, 12, 22, 32, 03, 13, 23, 33
- *
- * The 'permute_tbl' is always 'dot_prod_tran_concat_tbl' above. Passing it
- * as an argument is preferable to loading it directly from memory as this
- * inline helper is called many times from the same parent function.
- */
-
- uint8x16x2_t samples = { { vcombine_u8(a0, a1), vcombine_u8(a2, a3) } };
- *b = vqtbl2q_u8(samples, permute_tbl);
+ uint8x16_t *b) {
+ // Transpose 8-bit elements and concatenate result rows as follows:
+ // a0: 00, 01, 02, 03, XX, XX, XX, XX
+ // a1: 10, 11, 12, 13, XX, XX, XX, XX
+ // a2: 20, 21, 22, 23, XX, XX, XX, XX
+ // a3: 30, 31, 32, 33, XX, XX, XX, XX
+ //
+ // b: 00, 10, 20, 30, 01, 11, 21, 31, 02, 12, 22, 32, 03, 13, 23, 33
+
+ uint8x16_t a0q = vcombine_u8(a0, vdup_n_u8(0));
+ uint8x16_t a1q = vcombine_u8(a1, vdup_n_u8(0));
+ uint8x16_t a2q = vcombine_u8(a2, vdup_n_u8(0));
+ uint8x16_t a3q = vcombine_u8(a3, vdup_n_u8(0));
+
+ uint8x16_t a01 = vzipq_u8(a0q, a1q).val[0];
+ uint8x16_t a23 = vzipq_u8(a2q, a3q).val[0];
+
+ uint16x8_t a0123 =
+ vzipq_u16(vreinterpretq_u16_u8(a01), vreinterpretq_u16_u8(a23)).val[0];
+
+ *b = vreinterpretq_u8_u16(a0123);
}
static INLINE void transpose_concat_8x4(uint8x8_t a0, uint8x8_t a1,
uint8x8_t a2, uint8x8_t a3,
- uint8x16_t *b0, uint8x16_t *b1,
- const uint8x16x2_t permute_tbl) {
- /* Transpose 8-bit elements and concatenate result rows as follows:
- * a0: 00, 01, 02, 03, 04, 05, 06, 07
- * a1: 10, 11, 12, 13, 14, 15, 16, 17
- * a2: 20, 21, 22, 23, 24, 25, 26, 27
- * a3: 30, 31, 32, 33, 34, 35, 36, 37
- *
- * b0: 00, 10, 20, 30, 01, 11, 21, 31, 02, 12, 22, 32, 03, 13, 23, 33
- * b1: 04, 14, 24, 34, 05, 15, 25, 35, 06, 16, 26, 36, 07, 17, 27, 37
- *
- * The 'permute_tbl' is always 'dot_prod_tran_concat_tbl' above. Passing it
- * as an argument is preferable to loading it directly from memory as this
- * inline helper is called many times from the same parent function.
- */
-
- uint8x16x2_t samples = { { vcombine_u8(a0, a1), vcombine_u8(a2, a3) } };
- *b0 = vqtbl2q_u8(samples, permute_tbl.val[0]);
- *b1 = vqtbl2q_u8(samples, permute_tbl.val[1]);
+ uint8x16_t *b0, uint8x16_t *b1) {
+ // Transpose 8-bit elements and concatenate result rows as follows:
+ // a0: 00, 01, 02, 03, 04, 05, 06, 07
+ // a1: 10, 11, 12, 13, 14, 15, 16, 17
+ // a2: 20, 21, 22, 23, 24, 25, 26, 27
+ // a3: 30, 31, 32, 33, 34, 35, 36, 37
+ //
+ // b0: 00, 10, 20, 30, 01, 11, 21, 31, 02, 12, 22, 32, 03, 13, 23, 33
+ // b1: 04, 14, 24, 34, 05, 15, 25, 35, 06, 16, 26, 36, 07, 17, 27, 37
+
+ uint8x16_t a0q = vcombine_u8(a0, vdup_n_u8(0));
+ uint8x16_t a1q = vcombine_u8(a1, vdup_n_u8(0));
+ uint8x16_t a2q = vcombine_u8(a2, vdup_n_u8(0));
+ uint8x16_t a3q = vcombine_u8(a3, vdup_n_u8(0));
+
+ uint8x16_t a01 = vzipq_u8(a0q, a1q).val[0];
+ uint8x16_t a23 = vzipq_u8(a2q, a3q).val[0];
+
+ uint16x8x2_t a0123 =
+ vzipq_u16(vreinterpretq_u16_u8(a01), vreinterpretq_u16_u8(a23));
+
+ *b0 = vreinterpretq_u8_u16(a0123.val[0]);
+ *b1 = vreinterpretq_u8_u16(a0123.val[1]);
}
-static INLINE int16x4_t convolve8_4_usdot_partial(const uint8x16_t samples_lo,
- const uint8x16_t samples_hi,
- const int8x8_t filter) {
- /* Sample permutation is performed by the caller. */
- int32x4_t sum;
-
- sum = vusdotq_lane_s32(vdupq_n_s32(0), samples_lo, filter, 0);
- sum = vusdotq_lane_s32(sum, samples_hi, filter, 1);
+static INLINE int16x4_t convolve8_4_v(const uint8x16_t samples_lo,
+ const uint8x16_t samples_hi,
+ const int8x8_t filters) {
+ // Sample permutation is performed by the caller.
+ int32x4_t sum = vusdotq_lane_s32(vdupq_n_s32(0), samples_lo, filters, 0);
+ sum = vusdotq_lane_s32(sum, samples_hi, filters, 1);
- /* Further narrowing and packing is performed by the caller. */
+ // Further narrowing and packing is performed by the caller.
return vqmovn_s32(sum);
}
-static INLINE uint8x8_t convolve8_8_usdot_partial(const uint8x16_t samples0_lo,
- const uint8x16_t samples0_hi,
- const uint8x16_t samples1_lo,
- const uint8x16_t samples1_hi,
- const int8x8_t filter) {
- /* Sample permutation is performed by the caller. */
- int32x4_t sum0, sum1;
- int16x8_t sum;
-
- /* First 4 output values. */
- sum0 = vusdotq_lane_s32(vdupq_n_s32(0), samples0_lo, filter, 0);
- sum0 = vusdotq_lane_s32(sum0, samples0_hi, filter, 1);
- /* Second 4 output values. */
- sum1 = vusdotq_lane_s32(vdupq_n_s32(0), samples1_lo, filter, 0);
- sum1 = vusdotq_lane_s32(sum1, samples1_hi, filter, 1);
-
- /* Narrow and re-pack. */
- sum = vcombine_s16(vqmovn_s32(sum0), vqmovn_s32(sum1));
+static INLINE uint8x8_t convolve8_8_v(const uint8x16_t samples0_lo,
+ const uint8x16_t samples0_hi,
+ const uint8x16_t samples1_lo,
+ const uint8x16_t samples1_hi,
+ const int8x8_t filters) {
+ // Sample permutation is performed by the caller.
+
+ // First 4 output values.
+ int32x4_t sum0 = vusdotq_lane_s32(vdupq_n_s32(0), samples0_lo, filters, 0);
+ sum0 = vusdotq_lane_s32(sum0, samples0_hi, filters, 1);
+ // Second 4 output values.
+ int32x4_t sum1 = vusdotq_lane_s32(vdupq_n_s32(0), samples1_lo, filters, 0);
+ sum1 = vusdotq_lane_s32(sum1, samples1_hi, filters, 1);
+
+ // Narrow and re-pack.
+ int16x8_t sum = vcombine_s16(vqmovn_s32(sum0), vqmovn_s32(sum1));
return vqrshrun_n_s16(sum, FILTER_BITS);
}
@@ -244,7 +233,7 @@ void aom_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
const int16_t *filter_y, int y_step_q4, int w,
int h) {
const int8x8_t filter = vmovn_s16(vld1q_s16(filter_y));
- const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
+ const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(kDotProdMergeBlockTbl);
uint8x16x2_t samples_LUT;
assert((intptr_t)dst % 4 == 0);
@@ -257,47 +246,44 @@ void aom_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
src -= ((SUBPEL_TAPS / 2) - 1) * src_stride;
if (w == 4) {
- const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
-
uint8x8_t s0, s1, s2, s3, s4, s5, s6;
load_u8_8x7(src, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
src += 7 * src_stride;
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
+ // This operation combines a conventional transpose and the sample permute
+ // (see horizontal case) required before computing the dot product.
uint8x16_t s0123, s1234, s2345, s3456;
- transpose_concat_4x4(s0, s1, s2, s3, &s0123, tran_concat_tbl);
- transpose_concat_4x4(s1, s2, s3, s4, &s1234, tran_concat_tbl);
- transpose_concat_4x4(s2, s3, s4, s5, &s2345, tran_concat_tbl);
- transpose_concat_4x4(s3, s4, s5, s6, &s3456, tran_concat_tbl);
+ transpose_concat_4x4(s0, s1, s2, s3, &s0123);
+ transpose_concat_4x4(s1, s2, s3, s4, &s1234);
+ transpose_concat_4x4(s2, s3, s4, s5, &s2345);
+ transpose_concat_4x4(s3, s4, s5, s6, &s3456);
do {
uint8x8_t s7, s8, s9, s10;
load_u8_8x4(src, src_stride, &s7, &s8, &s9, &s10);
uint8x16_t s4567, s5678, s6789, s78910;
- transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
+ transpose_concat_4x4(s7, s8, s9, s10, &s78910);
- /* Merge new data into block from previous iteration. */
+ // Merge new data into block from previous iteration.
samples_LUT.val[0] = s3456;
samples_LUT.val[1] = s78910;
s4567 = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[0]);
s5678 = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
s6789 = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
- int16x4_t d0 = convolve8_4_usdot_partial(s0123, s4567, filter);
- int16x4_t d1 = convolve8_4_usdot_partial(s1234, s5678, filter);
- int16x4_t d2 = convolve8_4_usdot_partial(s2345, s6789, filter);
- int16x4_t d3 = convolve8_4_usdot_partial(s3456, s78910, filter);
+ int16x4_t d0 = convolve8_4_v(s0123, s4567, filter);
+ int16x4_t d1 = convolve8_4_v(s1234, s5678, filter);
+ int16x4_t d2 = convolve8_4_v(s2345, s6789, filter);
+ int16x4_t d3 = convolve8_4_v(s3456, s78910, filter);
uint8x8_t d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
uint8x8_t d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
store_u8x4_strided_x2(dst + 0 * dst_stride, dst_stride, d01);
store_u8x4_strided_x2(dst + 2 * dst_stride, dst_stride, d23);
- /* Prepare block for next iteration - re-using as much as possible. */
- /* Shuffle everything up four rows. */
+ // Prepare block for next iteration - re-using as much as possible.
+ // Shuffle everything up four rows.
s0123 = s4567;
s1234 = s5678;
s2345 = s6789;
@@ -308,8 +294,6 @@ void aom_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
h -= 4;
} while (h != 0);
} else {
- const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
-
do {
int height = h;
const uint8_t *s = src;
@@ -319,19 +303,14 @@ void aom_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
load_u8_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
s += 7 * src_stride;
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
+ // This operation combines a conventional transpose and the sample permute
+ // (see horizontal case) required before computing the dot product.
uint8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
s3456_lo, s3456_hi;
- transpose_concat_8x4(s0, s1, s2, s3, &s0123_lo, &s0123_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s1, s2, s3, s4, &s1234_lo, &s1234_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s2, s3, s4, s5, &s2345_lo, &s2345_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s3, s4, s5, s6, &s3456_lo, &s3456_hi,
- tran_concat_tbl);
+ transpose_concat_8x4(s0, s1, s2, s3, &s0123_lo, &s0123_hi);
+ transpose_concat_8x4(s1, s2, s3, s4, &s1234_lo, &s1234_hi);
+ transpose_concat_8x4(s2, s3, s4, s5, &s2345_lo, &s2345_hi);
+ transpose_concat_8x4(s3, s4, s5, s6, &s3456_lo, &s3456_hi);
do {
uint8x8_t s7, s8, s9, s10;
@@ -339,10 +318,9 @@ void aom_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
uint8x16_t s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo, s6789_hi,
s78910_lo, s78910_hi;
- transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
- tran_concat_tbl);
+ transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi);
- /* Merge new data into block from previous iteration. */
+ // Merge new data into block from previous iteration.
samples_LUT.val[0] = s3456_lo;
samples_LUT.val[1] = s78910_lo;
s4567_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[0]);
@@ -355,19 +333,19 @@ void aom_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
s5678_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
s6789_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
- uint8x8_t d0 = convolve8_8_usdot_partial(s0123_lo, s4567_lo, s0123_hi,
- s4567_hi, filter);
- uint8x8_t d1 = convolve8_8_usdot_partial(s1234_lo, s5678_lo, s1234_hi,
- s5678_hi, filter);
- uint8x8_t d2 = convolve8_8_usdot_partial(s2345_lo, s6789_lo, s2345_hi,
- s6789_hi, filter);
- uint8x8_t d3 = convolve8_8_usdot_partial(s3456_lo, s78910_lo, s3456_hi,
- s78910_hi, filter);
+ uint8x8_t d0 =
+ convolve8_8_v(s0123_lo, s4567_lo, s0123_hi, s4567_hi, filter);
+ uint8x8_t d1 =
+ convolve8_8_v(s1234_lo, s5678_lo, s1234_hi, s5678_hi, filter);
+ uint8x8_t d2 =
+ convolve8_8_v(s2345_lo, s6789_lo, s2345_hi, s6789_hi, filter);
+ uint8x8_t d3 =
+ convolve8_8_v(s3456_lo, s78910_lo, s3456_hi, s78910_hi, filter);
store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
- /* Prepare block for next iteration - re-using as much as possible. */
- /* Shuffle everything up four rows. */
+ // Prepare block for next iteration - re-using as much as possible.
+ // Shuffle everything up four rows.
s0123_lo = s4567_lo;
s0123_hi = s4567_hi;
s1234_lo = s5678_lo;