::testing::ValuesIn(kArrayConvolve_neon));
#endif // HAVE_NEON
+#if HAVE_NEON_DOTPROD
+const ConvolveFunctions convolve8_neon_dotprod(
+ vpx_convolve_copy_c, vpx_convolve_avg_c, vpx_convolve8_horiz_neon_dotprod,
+ vpx_convolve8_avg_horiz_neon_dotprod, vpx_convolve8_vert_neon_dotprod,
+ vpx_convolve8_avg_vert_neon_dotprod, vpx_convolve8_neon_dotprod,
+ vpx_convolve8_avg_neon_dotprod, vpx_scaled_horiz_c, vpx_scaled_avg_horiz_c,
+ vpx_scaled_vert_c, vpx_scaled_avg_vert_c, vpx_scaled_2d_c,
+ vpx_scaled_avg_2d_c, 0);
+
+const ConvolveParam kArrayConvolve_neon_dotprod[] = { ALL_SIZES(
+ convolve8_neon_dotprod) };
+INSTANTIATE_TEST_SUITE_P(NEON_DOTPROD, ConvolveTest,
+ ::testing::ValuesIn(kArrayConvolve_neon_dotprod));
+#endif // HAVE_NEON_DOTPROD
+
+#if HAVE_NEON_I8MM
+const ConvolveFunctions convolve8_neon_i8mm(
+ vpx_convolve_copy_c, vpx_convolve_avg_c, vpx_convolve8_horiz_neon_i8mm,
+ vpx_convolve8_avg_horiz_neon_i8mm, vpx_convolve8_vert_neon_i8mm,
+ vpx_convolve8_avg_vert_neon_i8mm, vpx_convolve8_neon_i8mm,
+ vpx_convolve8_avg_neon_i8mm, vpx_scaled_horiz_c, vpx_scaled_avg_horiz_c,
+ vpx_scaled_vert_c, vpx_scaled_avg_vert_c, vpx_scaled_2d_c,
+ vpx_scaled_avg_2d_c, 0);
+
+const ConvolveParam kArrayConvolve_neon_i8mm[] = { ALL_SIZES(
+ convolve8_neon_i8mm) };
+INSTANTIATE_TEST_SUITE_P(NEON_I8MM, ConvolveTest,
+ ::testing::ValuesIn(kArrayConvolve_neon_i8mm));
+#endif // HAVE_NEON_I8MM
+
#if HAVE_DSPR2
const ConvolveFunctions convolve8_dspr2(
vpx_convolve_copy_dspr2, vpx_convolve_avg_dspr2, vpx_convolve8_horiz_dspr2,
// instructions. This optimization is much faster in speed unit test, but slowed
// down the whole decoder by 5%.
-#if VPX_ARCH_AARCH64 && \
- (defined(__ARM_FEATURE_DOTPROD) || defined(__ARM_FEATURE_MATMUL_INT8))
-
-DECLARE_ALIGNED(16, static const uint8_t, dot_prod_permute_tbl[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. */
- 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. */
- 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. */
- 3, 16, 17, 18, 7, 20, 21, 22, 11, 24, 25, 26, 15, 28, 29, 30
-};
-
-#if defined(__ARM_FEATURE_MATMUL_INT8)
-
-void vpx_convolve8_2d_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
- uint8x16_t s0, s1, s2, s3;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(x_step_q4 == 16);
- assert(h % 4 == 3);
-
- (void)x_step_q4;
- (void)y0_q4;
- (void)y_step_q4;
-
- src -= 3;
-
- if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
- int16x4_t d0, d1, d2, d3;
- uint8x8_t d01, d23;
-
- do {
- load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_4_usdot(s0, filters, perm_tbl);
- d1 = convolve8_4_usdot(s1, filters, perm_tbl);
- d2 = convolve8_4_usdot(s2, filters, perm_tbl);
- d3 = convolve8_4_usdot(s3, filters, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h > 3);
-
- /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
- * further details on possible values of block height. */
- load_u8_16x3(src, src_stride, &s0, &s1, &s2);
-
- d0 = convolve8_4_usdot(s0, filters, perm_tbl);
- d1 = convolve8_4_usdot(s1, filters, perm_tbl);
- d2 = convolve8_4_usdot(s2, filters, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, vdup_n_s16(0)), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8_4x1(dst + 2 * dst_stride, d23);
- } 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;
-
- do {
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_8_usdot(s0, filters, perm_tbl);
- d1 = convolve8_8_usdot(s1, filters, perm_tbl);
- d2 = convolve8_8_usdot(s2, filters, perm_tbl);
- d3 = convolve8_8_usdot(s3, filters, perm_tbl);
-
- store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width > 0);
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h > 3);
-
- /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
- * further details on possible values of block height. */
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x3(s, src_stride, &s0, &s1, &s2);
-
- d0 = convolve8_8_usdot(s0, filters, perm_tbl);
- d1 = convolve8_8_usdot(s1, filters, perm_tbl);
- d2 = convolve8_8_usdot(s2, filters, perm_tbl);
-
- store_u8_8x3(d, dst_stride, d0, d1, d2);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width > 0);
- }
-}
-
-void vpx_convolve8_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
- uint8x16_t s0, s1, s2, s3;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(x_step_q4 == 16);
-
- (void)x_step_q4;
- (void)y0_q4;
- (void)y_step_q4;
-
- src -= 3;
-
- if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
- do {
- int16x4_t t0, t1, t2, t3;
- uint8x8_t d01, d23;
-
- load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
-
- t0 = convolve8_4_usdot(s0, filters, perm_tbl);
- t1 = convolve8_4_usdot(s1, filters, perm_tbl);
- t2 = convolve8_4_usdot(s2, filters, perm_tbl);
- t3 = convolve8_4_usdot(s3, filters, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- src += 4 * src_stride;
- dst += 4 * dst_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;
-
- do {
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_8_usdot(s0, filters, perm_tbl);
- d1 = convolve8_8_usdot(s1, filters, perm_tbl);
- d2 = convolve8_8_usdot(s2, filters, perm_tbl);
- d3 = convolve8_8_usdot(s3, filters, perm_tbl);
-
- store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width != 0);
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- }
-}
-
-void vpx_convolve8_avg_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4,
- int w, int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
- uint8x16_t s0, s1, s2, s3;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(x_step_q4 == 16);
-
- (void)x_step_q4;
- (void)y0_q4;
- (void)y_step_q4;
-
- src -= 3;
-
- if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
- do {
- int16x4_t t0, t1, t2, t3;
- uint8x8_t d01, d23, dd01, dd23;
-
- load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
-
- t0 = convolve8_4_usdot(s0, filters, perm_tbl);
- t1 = convolve8_4_usdot(s1, filters, perm_tbl);
- t2 = convolve8_4_usdot(s2, filters, perm_tbl);
- t3 = convolve8_4_usdot(s3, filters, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
-
- dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
- dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
-
- d01 = vrhadd_u8(d01, dd01);
- d23 = vrhadd_u8(d23, dd23);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- src += 4 * src_stride;
- dst += 4 * dst_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, dd0, dd1, dd2, dd3;
-
- do {
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_8_usdot(s0, filters, perm_tbl);
- d1 = convolve8_8_usdot(s1, filters, perm_tbl);
- d2 = convolve8_8_usdot(s2, filters, perm_tbl);
- d3 = convolve8_8_usdot(s3, filters, perm_tbl);
-
- load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
-
- d0 = vrhadd_u8(d0, dd0);
- d1 = vrhadd_u8(d1, dd1);
- d2 = vrhadd_u8(d2, dd2);
- d3 = vrhadd_u8(d3, dd3);
-
- store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width != 0);
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- }
-}
-
-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);
-}
-
-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]);
-}
-
-void vpx_convolve8_vert_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
- const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
- uint8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
- uint8x16x2_t samples_LUT;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(y_step_q4 == 16);
-
- (void)x0_q4;
- (void)x_step_q4;
- (void)y_step_q4;
-
- src -= 3 * src_stride;
-
- if (w == 4) {
- const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
- uint8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
- int16x4_t d0, d1, d2, d3;
- uint8x8_t d01, d23;
-
- load_u8_8x7(src, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
- src += 7 * src_stride;
-
- s7 = vdup_n_u8(0);
- s8 = vdup_n_u8(0);
- s9 = vdup_n_u8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
- transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
- transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
-
- do {
- load_u8_8x4(src, src_stride, &s7, &s8, &s9, &s10);
-
- transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
-
- /* 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]);
-
- d0 = convolve8_4_usdot_partial(s0123, s4567, filters);
- d1 = convolve8_4_usdot_partial(s1234, s5678, filters);
- d2 = convolve8_4_usdot_partial(s2345, s6789, filters);
- d3 = convolve8_4_usdot_partial(s3456, s78910, filters);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- /* Prepare block for next iteration - re-using as much as possible. */
- /* Shuffle everything up four rows. */
- s0123 = s4567;
- s1234 = s5678;
- s2345 = s6789;
- s3456 = s78910;
-
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- } else {
- const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
- uint8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
- s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
- s6789_hi, s78910_lo, s78910_hi;
- uint8x8_t d0, d1, d2, d3;
- const uint8_t *s;
- uint8_t *d;
- int height;
-
- do {
- height = h;
- s = src;
- d = dst;
-
- load_u8_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
- s += 7 * src_stride;
-
- s7 = vdup_n_u8(0);
- s8 = vdup_n_u8(0);
- s9 = vdup_n_u8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
- tran_concat_tbl);
-
- do {
- load_u8_8x4(s, src_stride, &s7, &s8, &s9, &s10);
-
- transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
- tran_concat_tbl);
-
- /* 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]);
- s5678_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
- s6789_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
-
- samples_LUT.val[0] = s3456_hi;
- samples_LUT.val[1] = s78910_hi;
- s4567_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[0]);
- s5678_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
- s6789_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
-
- d0 = convolve8_8_usdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
- filters);
- d1 = convolve8_8_usdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
- filters);
- d2 = convolve8_8_usdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
- filters);
- d3 = convolve8_8_usdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
- filters);
-
- 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. */
- s0123_lo = s4567_lo;
- s0123_hi = s4567_hi;
- s1234_lo = s5678_lo;
- s1234_hi = s5678_hi;
- s2345_lo = s6789_lo;
- s2345_hi = s6789_hi;
- s3456_lo = s78910_lo;
- s3456_hi = s78910_hi;
-
- s += 4 * src_stride;
- d += 4 * dst_stride;
- height -= 4;
- } while (height != 0);
- src += 8;
- dst += 8;
- w -= 8;
- } while (w != 0);
- }
-}
-
-void vpx_convolve8_avg_vert_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
- const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
- uint8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
- uint8x16x2_t samples_LUT;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(y_step_q4 == 16);
-
- (void)x0_q4;
- (void)x_step_q4;
- (void)y_step_q4;
-
- src -= 3 * src_stride;
-
- if (w == 4) {
- const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
- uint8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
- int16x4_t d0, d1, d2, d3;
- uint8x8_t d01, d23, dd01, dd23;
-
- load_u8_8x7(src, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
- src += 7 * src_stride;
-
- s7 = vdup_n_u8(0);
- s8 = vdup_n_u8(0);
- s9 = vdup_n_u8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
- transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
- transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
-
- do {
- load_u8_8x4(src, src_stride, &s7, &s8, &s9, &s10);
-
- transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
-
- /* 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]);
-
- d0 = convolve8_4_usdot_partial(s0123, s4567, filters);
- d1 = convolve8_4_usdot_partial(s1234, s5678, filters);
- d2 = convolve8_4_usdot_partial(s2345, s6789, filters);
- d3 = convolve8_4_usdot_partial(s3456, s78910, filters);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
-
- dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
- dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
-
- d01 = vrhadd_u8(d01, dd01);
- d23 = vrhadd_u8(d23, dd23);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- /* Prepare block for next iteration - re-using as much as possible. */
- /* Shuffle everything up four rows. */
- s0123 = s4567;
- s1234 = s5678;
- s2345 = s6789;
- s3456 = s78910;
-
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- } else {
- const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
- uint8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
- s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
- s6789_hi, s78910_lo, s78910_hi;
- uint8x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3;
- const uint8_t *s;
- uint8_t *d;
- int height;
-
- do {
- height = h;
- s = src;
- d = dst;
-
- load_u8_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
- s += 7 * src_stride;
-
- s7 = vdup_n_u8(0);
- s8 = vdup_n_u8(0);
- s9 = vdup_n_u8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
- tran_concat_tbl);
-
- do {
- load_u8_8x4(s, src_stride, &s7, &s8, &s9, &s10);
-
- transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
- tran_concat_tbl);
-
- /* 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]);
- s5678_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
- s6789_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
-
- samples_LUT.val[0] = s3456_hi;
- samples_LUT.val[1] = s78910_hi;
- s4567_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[0]);
- s5678_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
- s6789_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
-
- d0 = convolve8_8_usdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
- filters);
- d1 = convolve8_8_usdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
- filters);
- d2 = convolve8_8_usdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
- filters);
- d3 = convolve8_8_usdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
- filters);
-
- load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
-
- d0 = vrhadd_u8(d0, dd0);
- d1 = vrhadd_u8(d1, dd1);
- d2 = vrhadd_u8(d2, dd2);
- d3 = vrhadd_u8(d3, dd3);
-
- 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. */
- s0123_lo = s4567_lo;
- s0123_hi = s4567_hi;
- s1234_lo = s5678_lo;
- s1234_hi = s5678_hi;
- s2345_lo = s6789_lo;
- s2345_hi = s6789_hi;
- s3456_lo = s78910_lo;
- s3456_hi = s78910_hi;
-
- s += 4 * src_stride;
- d += 4 * dst_stride;
- height -= 4;
- } while (height != 0);
- src += 8;
- dst += 8;
- w -= 8;
- } while (w != 0);
- }
-}
-
-#else // !defined(__ARM_FEATURE_MATMUL_INT8)
-
-void vpx_convolve8_2d_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
- const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[x0_q4]), 128);
- const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
- const uint8x16_t range_limit = vdupq_n_u8(128);
- uint8x16_t s0, s1, s2, s3;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(x_step_q4 == 16);
- assert(h % 4 == 3);
-
- (void)x_step_q4;
- (void)y0_q4;
- (void)y_step_q4;
-
- src -= 3;
-
- if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
- int16x4_t d0, d1, d2, d3;
- uint8x8_t d01, d23;
-
- do {
- load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
- d1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
- d2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
- d3 = convolve8_4_sdot(s3, filters, correction, range_limit, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h > 3);
-
- /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
- * further details on possible values of block height. */
- load_u8_16x3(src, src_stride, &s0, &s1, &s2);
-
- d0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
- d1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
- d2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, vdup_n_s16(0)), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8_4x1(dst + 2 * dst_stride, d23);
- } 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;
-
- do {
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
- d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
- d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
- d3 = convolve8_8_sdot(s3, filters, correction, range_limit, perm_tbl);
-
- store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width != 0);
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h > 3);
-
- /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
- * further details on possible values of block height. */
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x3(s, src_stride, &s0, &s1, &s2);
-
- d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
- d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
- d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
-
- store_u8_8x3(d, dst_stride, d0, d1, d2);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width != 0);
- }
-}
-
-void vpx_convolve8_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
- const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[x0_q4]), 128);
- const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
- const uint8x16_t range_limit = vdupq_n_u8(128);
- uint8x16_t s0, s1, s2, s3;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(x_step_q4 == 16);
-
- (void)x_step_q4;
- (void)y0_q4;
- (void)y_step_q4;
-
- src -= 3;
-
- if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
- do {
- int16x4_t t0, t1, t2, t3;
- uint8x8_t d01, d23;
-
- load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
-
- t0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
- t1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
- t2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
- t3 = convolve8_4_sdot(s3, filters, correction, range_limit, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- src += 4 * src_stride;
- dst += 4 * dst_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;
-
- do {
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
- d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
- d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
- d3 = convolve8_8_sdot(s3, filters, correction, range_limit, perm_tbl);
-
- store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width != 0);
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- }
-}
-
-void vpx_convolve8_avg_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4,
- int w, int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
- const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[x0_q4]), 128);
- const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
- const uint8x16_t range_limit = vdupq_n_u8(128);
- uint8x16_t s0, s1, s2, s3;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(x_step_q4 == 16);
-
- (void)x_step_q4;
- (void)y0_q4;
- (void)y_step_q4;
-
- src -= 3;
-
- if (w == 4) {
- const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
- do {
- int16x4_t t0, t1, t2, t3;
- uint8x8_t d01, d23, dd01, dd23;
-
- load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
-
- t0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
- t1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
- t2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
- t3 = convolve8_4_sdot(s3, filters, correction, range_limit, perm_tbl);
- d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
-
- dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
- dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
-
- d01 = vrhadd_u8(d01, dd01);
- d23 = vrhadd_u8(d23, dd23);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- src += 4 * src_stride;
- dst += 4 * dst_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, dd0, dd1, dd2, dd3;
-
- do {
- width = w;
- s = src;
- d = dst;
- do {
- load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
-
- d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
- d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
- d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
- d3 = convolve8_8_sdot(s3, filters, correction, range_limit, perm_tbl);
-
- load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
-
- d0 = vrhadd_u8(d0, dd0);
- d1 = vrhadd_u8(d1, dd1);
- d2 = vrhadd_u8(d2, dd2);
- d3 = vrhadd_u8(d3, dd3);
-
- store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
-
- s += 8;
- d += 8;
- width -= 8;
- } while (width != 0);
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- }
-}
-
-static INLINE void transpose_concat_4x4(int8x8_t a0, int8x8_t a1, int8x8_t a2,
- int8x8_t a3, int8x16_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.
- */
-
- int8x16x2_t samples = { { vcombine_s8(a0, a1), vcombine_s8(a2, a3) } };
- *b = vqtbl2q_s8(samples, permute_tbl);
-}
-
-static INLINE void transpose_concat_8x4(int8x8_t a0, int8x8_t a1, int8x8_t a2,
- int8x8_t a3, int8x16_t *b0,
- int8x16_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.
- */
-
- int8x16x2_t samples = { { vcombine_s8(a0, a1), vcombine_s8(a2, a3) } };
- *b0 = vqtbl2q_s8(samples, permute_tbl.val[0]);
- *b1 = vqtbl2q_s8(samples, permute_tbl.val[1]);
-}
-
-void vpx_convolve8_vert_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
- const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[y0_q4]), 128);
- const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
- const uint8x8_t range_limit = vdup_n_u8(128);
- const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
- uint8x8_t t0, t1, t2, t3, t4, t5, t6;
- int8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
- int8x16x2_t samples_LUT;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(y_step_q4 == 16);
-
- (void)x0_q4;
- (void)x_step_q4;
- (void)y_step_q4;
-
- src -= 3 * src_stride;
-
- if (w == 4) {
- const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
- int8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
- int16x4_t d0, d1, d2, d3;
- uint8x8_t d01, d23;
-
- load_u8_8x7(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
- src += 7 * src_stride;
-
- /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
- s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
- s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
- s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
- s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
- s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
- s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
- s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
- s7 = vdup_n_s8(0);
- s8 = vdup_n_s8(0);
- s9 = vdup_n_s8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
- transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
- transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
-
- do {
- uint8x8_t t7, t8, t9, t10;
-
- load_u8_8x4(src, src_stride, &t7, &t8, &t9, &t10);
-
- s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
- s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
- s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
- s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
-
- transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
-
- /* Merge new data into block from previous iteration. */
- samples_LUT.val[0] = s3456;
- samples_LUT.val[1] = s78910;
- s4567 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
- s5678 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
- s6789 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
-
- d0 = convolve8_4_sdot_partial(s0123, s4567, correction, filters);
- d1 = convolve8_4_sdot_partial(s1234, s5678, correction, filters);
- d2 = convolve8_4_sdot_partial(s2345, s6789, correction, filters);
- d3 = convolve8_4_sdot_partial(s3456, s78910, correction, filters);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- /* Prepare block for next iteration - re-using as much as possible. */
- /* Shuffle everything up four rows. */
- s0123 = s4567;
- s1234 = s5678;
- s2345 = s6789;
- s3456 = s78910;
-
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- } else {
- const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
- int8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
- s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
- s6789_hi, s78910_lo, s78910_hi;
- uint8x8_t d0, d1, d2, d3;
- const uint8_t *s;
- uint8_t *d;
- int height;
-
- do {
- height = h;
- s = src;
- d = dst;
-
- load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
- s += 7 * src_stride;
-
- /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
- s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
- s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
- s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
- s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
- s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
- s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
- s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
- s7 = vdup_n_s8(0);
- s8 = vdup_n_s8(0);
- s9 = vdup_n_s8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
- tran_concat_tbl);
-
- do {
- uint8x8_t t7, t8, t9, t10;
-
- load_u8_8x4(s, src_stride, &t7, &t8, &t9, &t10);
-
- s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
- s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
- s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
- s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
-
- transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
- tran_concat_tbl);
-
- /* Merge new data into block from previous iteration. */
- samples_LUT.val[0] = s3456_lo;
- samples_LUT.val[1] = s78910_lo;
- s4567_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
- s5678_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
- s6789_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
-
- samples_LUT.val[0] = s3456_hi;
- samples_LUT.val[1] = s78910_hi;
- s4567_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
- s5678_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
- s6789_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
-
- d0 = convolve8_8_sdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
- correction, filters);
- d1 = convolve8_8_sdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
- correction, filters);
- d2 = convolve8_8_sdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
- correction, filters);
- d3 = convolve8_8_sdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
- correction, filters);
-
- 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. */
- s0123_lo = s4567_lo;
- s0123_hi = s4567_hi;
- s1234_lo = s5678_lo;
- s1234_hi = s5678_hi;
- s2345_lo = s6789_lo;
- s2345_hi = s6789_hi;
- s3456_lo = s78910_lo;
- s3456_hi = s78910_hi;
-
- s += 4 * src_stride;
- d += 4 * dst_stride;
- height -= 4;
- } while (height != 0);
- src += 8;
- dst += 8;
- w -= 8;
- } while (w != 0);
- }
-}
-
-void vpx_convolve8_avg_vert_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
- const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[y0_q4]), 128);
- const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
- const uint8x8_t range_limit = vdup_n_u8(128);
- const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
- uint8x8_t t0, t1, t2, t3, t4, t5, t6;
- int8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
- int8x16x2_t samples_LUT;
-
- assert((intptr_t)dst % 4 == 0);
- assert(dst_stride % 4 == 0);
- assert(y_step_q4 == 16);
-
- (void)x0_q4;
- (void)x_step_q4;
- (void)y_step_q4;
-
- src -= 3 * src_stride;
-
- if (w == 4) {
- const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
- int8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
- int16x4_t d0, d1, d2, d3;
- uint8x8_t d01, d23, dd01, dd23;
-
- load_u8_8x7(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
- src += 7 * src_stride;
-
- /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
- s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
- s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
- s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
- s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
- s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
- s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
- s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
- s7 = vdup_n_s8(0);
- s8 = vdup_n_s8(0);
- s9 = vdup_n_s8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
- transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
- transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
-
- do {
- uint8x8_t t7, t8, t9, t10;
-
- load_u8_8x4(src, src_stride, &t7, &t8, &t9, &t10);
-
- s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
- s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
- s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
- s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
-
- transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
-
- /* Merge new data into block from previous iteration. */
- samples_LUT.val[0] = s3456;
- samples_LUT.val[1] = s78910;
- s4567 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
- s5678 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
- s6789 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
-
- d0 = convolve8_4_sdot_partial(s0123, s4567, correction, filters);
- d1 = convolve8_4_sdot_partial(s1234, s5678, correction, filters);
- d2 = convolve8_4_sdot_partial(s2345, s6789, correction, filters);
- d3 = convolve8_4_sdot_partial(s3456, s78910, correction, filters);
- d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
- d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
-
- dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
- dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
-
- d01 = vrhadd_u8(d01, dd01);
- d23 = vrhadd_u8(d23, dd23);
-
- store_u8(dst + 0 * dst_stride, dst_stride, d01);
- store_u8(dst + 2 * dst_stride, dst_stride, d23);
-
- /* Prepare block for next iteration - re-using as much as possible. */
- /* Shuffle everything up four rows. */
- s0123 = s4567;
- s1234 = s5678;
- s2345 = s6789;
- s3456 = s78910;
-
- src += 4 * src_stride;
- dst += 4 * dst_stride;
- h -= 4;
- } while (h != 0);
- } else {
- const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
- int8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
- s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
- s6789_hi, s78910_lo, s78910_hi;
- uint8x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3;
- const uint8_t *s;
- uint8_t *d;
- int height;
-
- do {
- height = h;
- s = src;
- d = dst;
-
- load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
- s += 7 * src_stride;
-
- /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
- s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
- s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
- s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
- s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
- s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
- s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
- s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
- s7 = vdup_n_s8(0);
- s8 = vdup_n_s8(0);
- s9 = vdup_n_s8(0);
-
- /* This operation combines a conventional transpose and the sample permute
- * (see horizontal case) required before computing the dot product.
- */
- 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
- tran_concat_tbl);
- transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
- tran_concat_tbl);
-
- do {
- uint8x8_t t7, t8, t9, t10;
-
- load_u8_8x4(s, src_stride, &t7, &t8, &t9, &t10);
-
- s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
- s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
- s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
- s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
-
- transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
- tran_concat_tbl);
-
- /* Merge new data into block from previous iteration. */
- samples_LUT.val[0] = s3456_lo;
- samples_LUT.val[1] = s78910_lo;
- s4567_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
- s5678_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
- s6789_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
-
- samples_LUT.val[0] = s3456_hi;
- samples_LUT.val[1] = s78910_hi;
- s4567_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
- s5678_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
- s6789_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
-
- d0 = convolve8_8_sdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
- correction, filters);
- d1 = convolve8_8_sdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
- correction, filters);
- d2 = convolve8_8_sdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
- correction, filters);
- d3 = convolve8_8_sdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
- correction, filters);
-
- load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
-
- d0 = vrhadd_u8(d0, dd0);
- d1 = vrhadd_u8(d1, dd1);
- d2 = vrhadd_u8(d2, dd2);
- d3 = vrhadd_u8(d3, dd3);
-
- 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. */
- s0123_lo = s4567_lo;
- s0123_hi = s4567_hi;
- s1234_lo = s5678_lo;
- s1234_hi = s5678_hi;
- s2345_lo = s6789_lo;
- s2345_hi = s6789_hi;
- s3456_lo = s78910_lo;
- s3456_hi = s78910_hi;
-
- s += 4 * src_stride;
- d += 4 * dst_stride;
- height -= 4;
- } while (height != 0);
- src += 8;
- dst += 8;
- w -= 8;
- } while (w != 0);
- }
-}
-
-#endif // defined(__ARM_FEATURE_MATMUL_INT8)
-
-#else // !(VPX_ARCH_AARCH64 &&
- // (defined(__ARM_FEATURE_DOTPROD) ||
- // defined(__ARM_FEATURE_MATMUL_INT8)))
-
void vpx_convolve8_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const InterpKernel *filter, int x0_q4,
} while (w != 0);
}
}
-
-#endif // #if VPX_ARCH_AARCH64 &&
- // (defined(__ARM_FEATURE_DOTPROD) ||
- // defined(__ARM_FEATURE_MATMUL_INT8))
#include "./vpx_dsp_rtcd.h"
#include "vpx_dsp/vpx_filter.h"
-#if VPX_ARCH_AARCH64 && \
- (defined(__ARM_FEATURE_DOTPROD) || defined(__ARM_FEATURE_MATMUL_INT8))
-void vpx_convolve8_2d_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h);
-#endif
-
#if VPX_ARCH_AARCH64 && defined(__ARM_FEATURE_DOTPROD)
+void vpx_convolve8_2d_horiz_neon_dotprod(const uint8_t *src,
+ ptrdiff_t src_stride, uint8_t *dst,
+ ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4,
+ int y_step_q4, int w, int h);
+
static INLINE int16x4_t convolve8_4_sdot_partial(const int8x16_t samples_lo,
const int8x16_t samples_hi,
const int32x4_t correction,
#if VPX_ARCH_AARCH64 && defined(__ARM_FEATURE_MATMUL_INT8)
+void vpx_convolve8_2d_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h);
+
static INLINE int16x4_t convolve8_4_usdot_partial(const uint8x16_t samples_lo,
const uint8x16_t samples_hi,
const int8x8_t filters) {
--- /dev/null
+/*
+ * Copyright (c) 2021 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 <arm_neon.h>
+#include <assert.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/arm/mem_neon.h"
+#include "vpx_dsp/arm/transpose_neon.h"
+#include "vpx_dsp/arm/vpx_convolve8_neon.h"
+#include "vpx_dsp/vpx_filter.h"
+#include "vpx_ports/mem.h"
+
+DECLARE_ALIGNED(16, static const uint8_t, dot_prod_permute_tbl[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. */
+ 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. */
+ 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. */
+ 3, 16, 17, 18, 7, 20, 21, 22, 11, 24, 25, 26, 15, 28, 29, 30
+};
+
+void vpx_convolve8_2d_horiz_neon_dotprod(const uint8_t *src,
+ ptrdiff_t src_stride, uint8_t *dst,
+ ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4,
+ int y_step_q4, int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
+ const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[x0_q4]), 128);
+ const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
+ const uint8x16_t range_limit = vdupq_n_u8(128);
+ uint8x16_t s0, s1, s2, s3;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(x_step_q4 == 16);
+ assert(h % 4 == 3);
+
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ src -= 3;
+
+ if (w == 4) {
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ int16x4_t d0, d1, d2, d3;
+ uint8x8_t d01, d23;
+
+ do {
+ load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
+ d1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
+ d2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
+ d3 = convolve8_4_sdot(s3, filters, correction, range_limit, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h > 3);
+
+ /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
+ * further details on possible values of block height. */
+ load_u8_16x3(src, src_stride, &s0, &s1, &s2);
+
+ d0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
+ d1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
+ d2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, vdup_n_s16(0)), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8_4x1(dst + 2 * dst_stride, d23);
+ } 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;
+
+ do {
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
+ d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
+ d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
+ d3 = convolve8_8_sdot(s3, filters, correction, range_limit, perm_tbl);
+
+ store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width != 0);
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h > 3);
+
+ /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
+ * further details on possible values of block height. */
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x3(s, src_stride, &s0, &s1, &s2);
+
+ d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
+ d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
+ d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
+
+ store_u8_8x3(d, dst_stride, d0, d1, d2);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width != 0);
+ }
+}
+
+void vpx_convolve8_horiz_neon_dotprod(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
+ const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[x0_q4]), 128);
+ const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
+ const uint8x16_t range_limit = vdupq_n_u8(128);
+ uint8x16_t s0, s1, s2, s3;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(x_step_q4 == 16);
+
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ src -= 3;
+
+ if (w == 4) {
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ do {
+ int16x4_t t0, t1, t2, t3;
+ uint8x8_t d01, d23;
+
+ load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
+
+ t0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
+ t1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
+ t2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
+ t3 = convolve8_4_sdot(s3, filters, correction, range_limit, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ src += 4 * src_stride;
+ dst += 4 * dst_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;
+
+ do {
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
+ d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
+ d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
+ d3 = convolve8_8_sdot(s3, filters, correction, range_limit, perm_tbl);
+
+ store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width != 0);
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ }
+}
+
+void vpx_convolve8_avg_horiz_neon_dotprod(const uint8_t *src,
+ ptrdiff_t src_stride, uint8_t *dst,
+ ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4,
+ int y_step_q4, int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
+ const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[x0_q4]), 128);
+ const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
+ const uint8x16_t range_limit = vdupq_n_u8(128);
+ uint8x16_t s0, s1, s2, s3;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(x_step_q4 == 16);
+
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ src -= 3;
+
+ if (w == 4) {
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ do {
+ int16x4_t t0, t1, t2, t3;
+ uint8x8_t d01, d23, dd01, dd23;
+
+ load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
+
+ t0 = convolve8_4_sdot(s0, filters, correction, range_limit, perm_tbl);
+ t1 = convolve8_4_sdot(s1, filters, correction, range_limit, perm_tbl);
+ t2 = convolve8_4_sdot(s2, filters, correction, range_limit, perm_tbl);
+ t3 = convolve8_4_sdot(s3, filters, correction, range_limit, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
+
+ dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
+ dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
+
+ d01 = vrhadd_u8(d01, dd01);
+ d23 = vrhadd_u8(d23, dd23);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ src += 4 * src_stride;
+ dst += 4 * dst_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, dd0, dd1, dd2, dd3;
+
+ do {
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_8_sdot(s0, filters, correction, range_limit, perm_tbl);
+ d1 = convolve8_8_sdot(s1, filters, correction, range_limit, perm_tbl);
+ d2 = convolve8_8_sdot(s2, filters, correction, range_limit, perm_tbl);
+ d3 = convolve8_8_sdot(s3, filters, correction, range_limit, perm_tbl);
+
+ load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
+
+ d0 = vrhadd_u8(d0, dd0);
+ d1 = vrhadd_u8(d1, dd1);
+ d2 = vrhadd_u8(d2, dd2);
+ d3 = vrhadd_u8(d3, dd3);
+
+ store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width != 0);
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ }
+}
+
+static INLINE void transpose_concat_4x4(int8x8_t a0, int8x8_t a1, int8x8_t a2,
+ int8x8_t a3, int8x16_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.
+ */
+
+ int8x16x2_t samples = { { vcombine_s8(a0, a1), vcombine_s8(a2, a3) } };
+ *b = vqtbl2q_s8(samples, permute_tbl);
+}
+
+static INLINE void transpose_concat_8x4(int8x8_t a0, int8x8_t a1, int8x8_t a2,
+ int8x8_t a3, int8x16_t *b0,
+ int8x16_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.
+ */
+
+ int8x16x2_t samples = { { vcombine_s8(a0, a1), vcombine_s8(a2, a3) } };
+ *b0 = vqtbl2q_s8(samples, permute_tbl.val[0]);
+ *b1 = vqtbl2q_s8(samples, permute_tbl.val[1]);
+}
+
+void vpx_convolve8_vert_neon_dotprod(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
+ const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[y0_q4]), 128);
+ const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
+ const uint8x8_t range_limit = vdup_n_u8(128);
+ const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
+ uint8x8_t t0, t1, t2, t3, t4, t5, t6;
+ int8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+ int8x16x2_t samples_LUT;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(y_step_q4 == 16);
+
+ (void)x0_q4;
+ (void)x_step_q4;
+ (void)y_step_q4;
+
+ src -= 3 * src_stride;
+
+ if (w == 4) {
+ const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
+ int8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
+ int16x4_t d0, d1, d2, d3;
+ uint8x8_t d01, d23;
+
+ load_u8_8x7(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
+ src += 7 * src_stride;
+
+ /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
+ s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
+ s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
+ s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
+ s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
+ s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
+ s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
+ s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
+ s7 = vdup_n_s8(0);
+ s8 = vdup_n_s8(0);
+ s9 = vdup_n_s8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
+ transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
+ transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
+
+ do {
+ uint8x8_t t7, t8, t9, t10;
+
+ load_u8_8x4(src, src_stride, &t7, &t8, &t9, &t10);
+
+ s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
+ s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
+ s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
+ s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
+
+ transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
+
+ /* Merge new data into block from previous iteration. */
+ samples_LUT.val[0] = s3456;
+ samples_LUT.val[1] = s78910;
+ s4567 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
+ s5678 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
+ s6789 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
+
+ d0 = convolve8_4_sdot_partial(s0123, s4567, correction, filters);
+ d1 = convolve8_4_sdot_partial(s1234, s5678, correction, filters);
+ d2 = convolve8_4_sdot_partial(s2345, s6789, correction, filters);
+ d3 = convolve8_4_sdot_partial(s3456, s78910, correction, filters);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ /* Prepare block for next iteration - re-using as much as possible. */
+ /* Shuffle everything up four rows. */
+ s0123 = s4567;
+ s1234 = s5678;
+ s2345 = s6789;
+ s3456 = s78910;
+
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ } else {
+ const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
+ int8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
+ s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
+ s6789_hi, s78910_lo, s78910_hi;
+ uint8x8_t d0, d1, d2, d3;
+ const uint8_t *s;
+ uint8_t *d;
+ int height;
+
+ do {
+ height = h;
+ s = src;
+ d = dst;
+
+ load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
+ s += 7 * src_stride;
+
+ /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
+ s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
+ s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
+ s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
+ s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
+ s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
+ s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
+ s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
+ s7 = vdup_n_s8(0);
+ s8 = vdup_n_s8(0);
+ s9 = vdup_n_s8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
+ tran_concat_tbl);
+
+ do {
+ uint8x8_t t7, t8, t9, t10;
+
+ load_u8_8x4(s, src_stride, &t7, &t8, &t9, &t10);
+
+ s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
+ s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
+ s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
+ s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
+
+ transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
+ tran_concat_tbl);
+
+ /* Merge new data into block from previous iteration. */
+ samples_LUT.val[0] = s3456_lo;
+ samples_LUT.val[1] = s78910_lo;
+ s4567_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
+ s5678_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
+
+ samples_LUT.val[0] = s3456_hi;
+ samples_LUT.val[1] = s78910_hi;
+ s4567_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
+ s5678_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
+
+ d0 = convolve8_8_sdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
+ correction, filters);
+ d1 = convolve8_8_sdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
+ correction, filters);
+ d2 = convolve8_8_sdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
+ correction, filters);
+ d3 = convolve8_8_sdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
+ correction, filters);
+
+ 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. */
+ s0123_lo = s4567_lo;
+ s0123_hi = s4567_hi;
+ s1234_lo = s5678_lo;
+ s1234_hi = s5678_hi;
+ s2345_lo = s6789_lo;
+ s2345_hi = s6789_hi;
+ s3456_lo = s78910_lo;
+ s3456_hi = s78910_hi;
+
+ s += 4 * src_stride;
+ d += 4 * dst_stride;
+ height -= 4;
+ } while (height != 0);
+ src += 8;
+ dst += 8;
+ w -= 8;
+ } while (w != 0);
+ }
+}
+
+void vpx_convolve8_avg_vert_neon_dotprod(const uint8_t *src,
+ ptrdiff_t src_stride, uint8_t *dst,
+ ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4,
+ int y_step_q4, int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
+ const int16x8_t correct_tmp = vmulq_n_s16(vld1q_s16(filter[y0_q4]), 128);
+ const int32x4_t correction = vdupq_n_s32((int32_t)vaddvq_s16(correct_tmp));
+ const uint8x8_t range_limit = vdup_n_u8(128);
+ const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
+ uint8x8_t t0, t1, t2, t3, t4, t5, t6;
+ int8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+ int8x16x2_t samples_LUT;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(y_step_q4 == 16);
+
+ (void)x0_q4;
+ (void)x_step_q4;
+ (void)y_step_q4;
+
+ src -= 3 * src_stride;
+
+ if (w == 4) {
+ const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
+ int8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
+ int16x4_t d0, d1, d2, d3;
+ uint8x8_t d01, d23, dd01, dd23;
+
+ load_u8_8x7(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
+ src += 7 * src_stride;
+
+ /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
+ s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
+ s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
+ s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
+ s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
+ s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
+ s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
+ s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
+ s7 = vdup_n_s8(0);
+ s8 = vdup_n_s8(0);
+ s9 = vdup_n_s8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
+ transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
+ transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
+
+ do {
+ uint8x8_t t7, t8, t9, t10;
+
+ load_u8_8x4(src, src_stride, &t7, &t8, &t9, &t10);
+
+ s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
+ s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
+ s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
+ s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
+
+ transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
+
+ /* Merge new data into block from previous iteration. */
+ samples_LUT.val[0] = s3456;
+ samples_LUT.val[1] = s78910;
+ s4567 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
+ s5678 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
+ s6789 = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
+
+ d0 = convolve8_4_sdot_partial(s0123, s4567, correction, filters);
+ d1 = convolve8_4_sdot_partial(s1234, s5678, correction, filters);
+ d2 = convolve8_4_sdot_partial(s2345, s6789, correction, filters);
+ d3 = convolve8_4_sdot_partial(s3456, s78910, correction, filters);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
+
+ dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
+ dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
+
+ d01 = vrhadd_u8(d01, dd01);
+ d23 = vrhadd_u8(d23, dd23);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ /* Prepare block for next iteration - re-using as much as possible. */
+ /* Shuffle everything up four rows. */
+ s0123 = s4567;
+ s1234 = s5678;
+ s2345 = s6789;
+ s3456 = s78910;
+
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ } else {
+ const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
+ int8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
+ s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
+ s6789_hi, s78910_lo, s78910_hi;
+ uint8x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3;
+ const uint8_t *s;
+ uint8_t *d;
+ int height;
+
+ do {
+ height = h;
+ s = src;
+ d = dst;
+
+ load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
+ s += 7 * src_stride;
+
+ /* Clamp sample range to [-128, 127] for 8-bit signed dot product. */
+ s0 = vreinterpret_s8_u8(vsub_u8(t0, range_limit));
+ s1 = vreinterpret_s8_u8(vsub_u8(t1, range_limit));
+ s2 = vreinterpret_s8_u8(vsub_u8(t2, range_limit));
+ s3 = vreinterpret_s8_u8(vsub_u8(t3, range_limit));
+ s4 = vreinterpret_s8_u8(vsub_u8(t4, range_limit));
+ s5 = vreinterpret_s8_u8(vsub_u8(t5, range_limit));
+ s6 = vreinterpret_s8_u8(vsub_u8(t6, range_limit));
+ s7 = vdup_n_s8(0);
+ s8 = vdup_n_s8(0);
+ s9 = vdup_n_s8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
+ tran_concat_tbl);
+
+ do {
+ uint8x8_t t7, t8, t9, t10;
+
+ load_u8_8x4(s, src_stride, &t7, &t8, &t9, &t10);
+
+ s7 = vreinterpret_s8_u8(vsub_u8(t7, range_limit));
+ s8 = vreinterpret_s8_u8(vsub_u8(t8, range_limit));
+ s9 = vreinterpret_s8_u8(vsub_u8(t9, range_limit));
+ s10 = vreinterpret_s8_u8(vsub_u8(t10, range_limit));
+
+ transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
+ tran_concat_tbl);
+
+ /* Merge new data into block from previous iteration. */
+ samples_LUT.val[0] = s3456_lo;
+ samples_LUT.val[1] = s78910_lo;
+ s4567_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
+ s5678_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_lo = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
+
+ samples_LUT.val[0] = s3456_hi;
+ samples_LUT.val[1] = s78910_hi;
+ s4567_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[0]);
+ s5678_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_hi = vqtbl2q_s8(samples_LUT, merge_block_tbl.val[2]);
+
+ d0 = convolve8_8_sdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
+ correction, filters);
+ d1 = convolve8_8_sdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
+ correction, filters);
+ d2 = convolve8_8_sdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
+ correction, filters);
+ d3 = convolve8_8_sdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
+ correction, filters);
+
+ load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
+
+ d0 = vrhadd_u8(d0, dd0);
+ d1 = vrhadd_u8(d1, dd1);
+ d2 = vrhadd_u8(d2, dd2);
+ d3 = vrhadd_u8(d3, dd3);
+
+ 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. */
+ s0123_lo = s4567_lo;
+ s0123_hi = s4567_hi;
+ s1234_lo = s5678_lo;
+ s1234_hi = s5678_hi;
+ s2345_lo = s6789_lo;
+ s2345_hi = s6789_hi;
+ s3456_lo = s78910_lo;
+ s3456_hi = s78910_hi;
+
+ s += 4 * src_stride;
+ d += 4 * dst_stride;
+ height -= 4;
+ } while (height != 0);
+ src += 8;
+ dst += 8;
+ w -= 8;
+ } while (w != 0);
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2023 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 <arm_neon.h>
+#include <assert.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/arm/mem_neon.h"
+#include "vpx_dsp/arm/transpose_neon.h"
+#include "vpx_dsp/arm/vpx_convolve8_neon.h"
+#include "vpx_dsp/vpx_filter.h"
+#include "vpx_ports/mem.h"
+
+DECLARE_ALIGNED(16, static const uint8_t, dot_prod_permute_tbl[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. */
+ 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. */
+ 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. */
+ 3, 16, 17, 18, 7, 20, 21, 22, 11, 24, 25, 26, 15, 28, 29, 30
+};
+
+void vpx_convolve8_2d_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
+ uint8x16_t s0, s1, s2, s3;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(x_step_q4 == 16);
+ assert(h % 4 == 3);
+
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ src -= 3;
+
+ if (w == 4) {
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ int16x4_t d0, d1, d2, d3;
+ uint8x8_t d01, d23;
+
+ do {
+ load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_4_usdot(s0, filters, perm_tbl);
+ d1 = convolve8_4_usdot(s1, filters, perm_tbl);
+ d2 = convolve8_4_usdot(s2, filters, perm_tbl);
+ d3 = convolve8_4_usdot(s3, filters, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h > 3);
+
+ /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
+ * further details on possible values of block height. */
+ load_u8_16x3(src, src_stride, &s0, &s1, &s2);
+
+ d0 = convolve8_4_usdot(s0, filters, perm_tbl);
+ d1 = convolve8_4_usdot(s1, filters, perm_tbl);
+ d2 = convolve8_4_usdot(s2, filters, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, vdup_n_s16(0)), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8_4x1(dst + 2 * dst_stride, d23);
+ } 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;
+
+ do {
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_8_usdot(s0, filters, perm_tbl);
+ d1 = convolve8_8_usdot(s1, filters, perm_tbl);
+ d2 = convolve8_8_usdot(s2, filters, perm_tbl);
+ d3 = convolve8_8_usdot(s3, filters, perm_tbl);
+
+ store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width > 0);
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h > 3);
+
+ /* Process final three rows (h % 4 == 3). See vpx_convolve_neon.c for
+ * further details on possible values of block height. */
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x3(s, src_stride, &s0, &s1, &s2);
+
+ d0 = convolve8_8_usdot(s0, filters, perm_tbl);
+ d1 = convolve8_8_usdot(s1, filters, perm_tbl);
+ d2 = convolve8_8_usdot(s2, filters, perm_tbl);
+
+ store_u8_8x3(d, dst_stride, d0, d1, d2);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width > 0);
+ }
+}
+
+void vpx_convolve8_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
+ uint8x16_t s0, s1, s2, s3;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(x_step_q4 == 16);
+
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ src -= 3;
+
+ if (w == 4) {
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ do {
+ int16x4_t t0, t1, t2, t3;
+ uint8x8_t d01, d23;
+
+ load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
+
+ t0 = convolve8_4_usdot(s0, filters, perm_tbl);
+ t1 = convolve8_4_usdot(s1, filters, perm_tbl);
+ t2 = convolve8_4_usdot(s2, filters, perm_tbl);
+ t3 = convolve8_4_usdot(s3, filters, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ src += 4 * src_stride;
+ dst += 4 * dst_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;
+
+ do {
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_8_usdot(s0, filters, perm_tbl);
+ d1 = convolve8_8_usdot(s1, filters, perm_tbl);
+ d2 = convolve8_8_usdot(s2, filters, perm_tbl);
+ d3 = convolve8_8_usdot(s3, filters, perm_tbl);
+
+ store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width != 0);
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ }
+}
+
+void vpx_convolve8_avg_horiz_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[x0_q4]));
+ uint8x16_t s0, s1, s2, s3;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(x_step_q4 == 16);
+
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ src -= 3;
+
+ if (w == 4) {
+ const uint8x16x2_t perm_tbl = vld1q_u8_x2(dot_prod_permute_tbl);
+ do {
+ int16x4_t t0, t1, t2, t3;
+ uint8x8_t d01, d23, dd01, dd23;
+
+ load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3);
+
+ t0 = convolve8_4_usdot(s0, filters, perm_tbl);
+ t1 = convolve8_4_usdot(s1, filters, perm_tbl);
+ t2 = convolve8_4_usdot(s2, filters, perm_tbl);
+ t3 = convolve8_4_usdot(s3, filters, perm_tbl);
+ d01 = vqrshrun_n_s16(vcombine_s16(t0, t1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(t2, t3), FILTER_BITS);
+
+ dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
+ dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
+
+ d01 = vrhadd_u8(d01, dd01);
+ d23 = vrhadd_u8(d23, dd23);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ src += 4 * src_stride;
+ dst += 4 * dst_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, dd0, dd1, dd2, dd3;
+
+ do {
+ width = w;
+ s = src;
+ d = dst;
+ do {
+ load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3);
+
+ d0 = convolve8_8_usdot(s0, filters, perm_tbl);
+ d1 = convolve8_8_usdot(s1, filters, perm_tbl);
+ d2 = convolve8_8_usdot(s2, filters, perm_tbl);
+ d3 = convolve8_8_usdot(s3, filters, perm_tbl);
+
+ load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
+
+ d0 = vrhadd_u8(d0, dd0);
+ d1 = vrhadd_u8(d1, dd1);
+ d2 = vrhadd_u8(d2, dd2);
+ d3 = vrhadd_u8(d3, dd3);
+
+ store_u8_8x4(d, dst_stride, d0, d1, d2, d3);
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ } while (width != 0);
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ }
+}
+
+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);
+}
+
+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]);
+}
+
+void vpx_convolve8_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
+ const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
+ uint8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+ uint8x16x2_t samples_LUT;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(y_step_q4 == 16);
+
+ (void)x0_q4;
+ (void)x_step_q4;
+ (void)y_step_q4;
+
+ src -= 3 * src_stride;
+
+ if (w == 4) {
+ const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
+ uint8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
+ int16x4_t d0, d1, d2, d3;
+ uint8x8_t d01, d23;
+
+ load_u8_8x7(src, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
+ src += 7 * src_stride;
+
+ s7 = vdup_n_u8(0);
+ s8 = vdup_n_u8(0);
+ s9 = vdup_n_u8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
+ transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
+ transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
+
+ do {
+ load_u8_8x4(src, src_stride, &s7, &s8, &s9, &s10);
+
+ transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
+
+ /* 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]);
+
+ d0 = convolve8_4_usdot_partial(s0123, s4567, filters);
+ d1 = convolve8_4_usdot_partial(s1234, s5678, filters);
+ d2 = convolve8_4_usdot_partial(s2345, s6789, filters);
+ d3 = convolve8_4_usdot_partial(s3456, s78910, filters);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ /* Prepare block for next iteration - re-using as much as possible. */
+ /* Shuffle everything up four rows. */
+ s0123 = s4567;
+ s1234 = s5678;
+ s2345 = s6789;
+ s3456 = s78910;
+
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ } else {
+ const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
+ uint8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
+ s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
+ s6789_hi, s78910_lo, s78910_hi;
+ uint8x8_t d0, d1, d2, d3;
+ const uint8_t *s;
+ uint8_t *d;
+ int height;
+
+ do {
+ height = h;
+ s = src;
+ d = dst;
+
+ load_u8_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
+ s += 7 * src_stride;
+
+ s7 = vdup_n_u8(0);
+ s8 = vdup_n_u8(0);
+ s9 = vdup_n_u8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
+ tran_concat_tbl);
+
+ do {
+ load_u8_8x4(s, src_stride, &s7, &s8, &s9, &s10);
+
+ transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
+ tran_concat_tbl);
+
+ /* 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]);
+ s5678_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
+
+ samples_LUT.val[0] = s3456_hi;
+ samples_LUT.val[1] = s78910_hi;
+ s4567_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[0]);
+ s5678_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
+
+ d0 = convolve8_8_usdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
+ filters);
+ d1 = convolve8_8_usdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
+ filters);
+ d2 = convolve8_8_usdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
+ filters);
+ d3 = convolve8_8_usdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
+ filters);
+
+ 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. */
+ s0123_lo = s4567_lo;
+ s0123_hi = s4567_hi;
+ s1234_lo = s5678_lo;
+ s1234_hi = s5678_hi;
+ s2345_lo = s6789_lo;
+ s2345_hi = s6789_hi;
+ s3456_lo = s78910_lo;
+ s3456_hi = s78910_hi;
+
+ s += 4 * src_stride;
+ d += 4 * dst_stride;
+ height -= 4;
+ } while (height != 0);
+ src += 8;
+ dst += 8;
+ w -= 8;
+ } while (w != 0);
+ }
+}
+
+void vpx_convolve8_avg_vert_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ const int8x8_t filters = vmovn_s16(vld1q_s16(filter[y0_q4]));
+ const uint8x16x3_t merge_block_tbl = vld1q_u8_x3(dot_prod_merge_block_tbl);
+ uint8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+ uint8x16x2_t samples_LUT;
+
+ assert((intptr_t)dst % 4 == 0);
+ assert(dst_stride % 4 == 0);
+ assert(y_step_q4 == 16);
+
+ (void)x0_q4;
+ (void)x_step_q4;
+ (void)y_step_q4;
+
+ src -= 3 * src_stride;
+
+ if (w == 4) {
+ const uint8x16_t tran_concat_tbl = vld1q_u8(dot_prod_tran_concat_tbl);
+ uint8x16_t s0123, s1234, s2345, s3456, s4567, s5678, s6789, s78910;
+ int16x4_t d0, d1, d2, d3;
+ uint8x8_t d01, d23, dd01, dd23;
+
+ load_u8_8x7(src, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
+ src += 7 * src_stride;
+
+ s7 = vdup_n_u8(0);
+ s8 = vdup_n_u8(0);
+ s9 = vdup_n_u8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567, tran_concat_tbl);
+ transpose_concat_4x4(s5, s6, s7, s8, &s5678, tran_concat_tbl);
+ transpose_concat_4x4(s6, s7, s8, s9, &s6789, tran_concat_tbl);
+
+ do {
+ load_u8_8x4(src, src_stride, &s7, &s8, &s9, &s10);
+
+ transpose_concat_4x4(s7, s8, s9, s10, &s78910, tran_concat_tbl);
+
+ /* 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]);
+
+ d0 = convolve8_4_usdot_partial(s0123, s4567, filters);
+ d1 = convolve8_4_usdot_partial(s1234, s5678, filters);
+ d2 = convolve8_4_usdot_partial(s2345, s6789, filters);
+ d3 = convolve8_4_usdot_partial(s3456, s78910, filters);
+ d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
+ d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
+
+ dd01 = load_u8(dst + 0 * dst_stride, dst_stride);
+ dd23 = load_u8(dst + 2 * dst_stride, dst_stride);
+
+ d01 = vrhadd_u8(d01, dd01);
+ d23 = vrhadd_u8(d23, dd23);
+
+ store_u8(dst + 0 * dst_stride, dst_stride, d01);
+ store_u8(dst + 2 * dst_stride, dst_stride, d23);
+
+ /* Prepare block for next iteration - re-using as much as possible. */
+ /* Shuffle everything up four rows. */
+ s0123 = s4567;
+ s1234 = s5678;
+ s2345 = s6789;
+ s3456 = s78910;
+
+ src += 4 * src_stride;
+ dst += 4 * dst_stride;
+ h -= 4;
+ } while (h != 0);
+ } else {
+ const uint8x16x2_t tran_concat_tbl = vld1q_u8_x2(dot_prod_tran_concat_tbl);
+ uint8x16_t s0123_lo, s0123_hi, s1234_lo, s1234_hi, s2345_lo, s2345_hi,
+ s3456_lo, s3456_hi, s4567_lo, s4567_hi, s5678_lo, s5678_hi, s6789_lo,
+ s6789_hi, s78910_lo, s78910_hi;
+ uint8x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3;
+ const uint8_t *s;
+ uint8_t *d;
+ int height;
+
+ do {
+ height = h;
+ s = src;
+ d = dst;
+
+ load_u8_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
+ s += 7 * src_stride;
+
+ s7 = vdup_n_u8(0);
+ s8 = vdup_n_u8(0);
+ s9 = vdup_n_u8(0);
+
+ /* This operation combines a conventional transpose and the sample permute
+ * (see horizontal case) required before computing the dot product.
+ */
+ 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(s4, s5, s6, s7, &s4567_lo, &s4567_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s5, s6, s7, s8, &s5678_lo, &s5678_hi,
+ tran_concat_tbl);
+ transpose_concat_8x4(s6, s7, s8, s9, &s6789_lo, &s6789_hi,
+ tran_concat_tbl);
+
+ do {
+ load_u8_8x4(s, src_stride, &s7, &s8, &s9, &s10);
+
+ transpose_concat_8x4(s7, s8, s9, s10, &s78910_lo, &s78910_hi,
+ tran_concat_tbl);
+
+ /* 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]);
+ s5678_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_lo = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
+
+ samples_LUT.val[0] = s3456_hi;
+ samples_LUT.val[1] = s78910_hi;
+ s4567_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[0]);
+ s5678_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[1]);
+ s6789_hi = vqtbl2q_u8(samples_LUT, merge_block_tbl.val[2]);
+
+ d0 = convolve8_8_usdot_partial(s0123_lo, s4567_lo, s0123_hi, s4567_hi,
+ filters);
+ d1 = convolve8_8_usdot_partial(s1234_lo, s5678_lo, s1234_hi, s5678_hi,
+ filters);
+ d2 = convolve8_8_usdot_partial(s2345_lo, s6789_lo, s2345_hi, s6789_hi,
+ filters);
+ d3 = convolve8_8_usdot_partial(s3456_lo, s78910_lo, s3456_hi, s78910_hi,
+ filters);
+
+ load_u8_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3);
+
+ d0 = vrhadd_u8(d0, dd0);
+ d1 = vrhadd_u8(d1, dd1);
+ d2 = vrhadd_u8(d2, dd2);
+ d3 = vrhadd_u8(d3, dd3);
+
+ 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. */
+ s0123_lo = s4567_lo;
+ s0123_hi = s4567_hi;
+ s1234_lo = s5678_lo;
+ s1234_hi = s5678_hi;
+ s2345_lo = s6789_lo;
+ s2345_hi = s6789_hi;
+ s3456_lo = s78910_lo;
+ s3456_hi = s78910_hi;
+
+ s += 4 * src_stride;
+ d += 4 * dst_stride;
+ height -= 4;
+ } while (height != 0);
+ src += 8;
+ dst += 8;
+ w -= 8;
+ } while (w != 0);
+ }
+}
#include "vpx_dsp/vpx_dsp_common.h"
#include "vpx_ports/mem.h"
-#if VPX_ARCH_AARCH64 && \
- (defined(__ARM_FEATURE_DOTPROD) || defined(__ARM_FEATURE_MATMUL_INT8))
-#include "vpx_dsp/arm/vpx_convolve8_neon.h"
-
-void vpx_convolve8_neon(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
- ptrdiff_t dst_stride, const InterpKernel *filter,
- int x0_q4, int x_step_q4, int y0_q4, int y_step_q4,
- int w, int h) {
- /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the
- * maximum buffer size to 64 * (64 + 7). */
- uint8_t temp[64 * 71];
-
- /* Account for the vertical phase needing 3 lines prior and 4 lines post. */
- const int intermediate_height = h + 7;
-
- assert(y_step_q4 == 16);
- assert(x_step_q4 == 16);
-
- /* Filter starting 3 lines back. */
- vpx_convolve8_2d_horiz_neon(src - src_stride * 3, src_stride, temp, w, filter,
- x0_q4, x_step_q4, y0_q4, y_step_q4, w,
- intermediate_height);
-
- /* Step into the temp buffer 3 lines to get the actual frame data */
- vpx_convolve8_vert_neon(temp + w * 3, w, dst, dst_stride, filter, x0_q4,
- x_step_q4, y0_q4, y_step_q4, w, h);
-}
-
-void vpx_convolve8_avg_neon(const uint8_t *src, ptrdiff_t src_stride,
- uint8_t *dst, ptrdiff_t dst_stride,
- const InterpKernel *filter, int x0_q4,
- int x_step_q4, int y0_q4, int y_step_q4, int w,
- int h) {
- uint8_t temp[64 * 71];
- const int intermediate_height = h + 7;
-
- assert(y_step_q4 == 16);
- assert(x_step_q4 == 16);
-
- vpx_convolve8_2d_horiz_neon(src - src_stride * 3, src_stride, temp, w, filter,
- x0_q4, x_step_q4, y0_q4, y_step_q4, w,
- intermediate_height);
-
- vpx_convolve8_avg_vert_neon(temp + w * 3, w, dst, dst_stride, filter, x0_q4,
- x_step_q4, y0_q4, y_step_q4, w, h);
-}
-
-#else // !(VPX_ARCH_AARCH64 &&
- // (defined(__ARM_FEATURE_DOTPROD) ||
- // defined(__ARM_FEATURE_MATMUL_INT8)))
-
void vpx_convolve8_neon(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
ptrdiff_t dst_stride, const InterpKernel *filter,
int x0_q4, int x_step_q4, int y0_q4, int y_step_q4,
vpx_convolve8_avg_vert_neon(temp + w * 3, w, dst, dst_stride, filter, x0_q4,
x_step_q4, y0_q4, y_step_q4, w, h);
}
-
-#endif // #if VPX_ARCH_AARCH64 &&
- // (defined(__ARM_FEATURE_DOTPROD) ||
- // defined(__ARM_FEATURE_MATMUL_INT8))
--- /dev/null
+/*
+ * Copyright (c) 2023 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 <assert.h>
+
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/arm/vpx_convolve8_neon.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_ports/mem.h"
+
+void vpx_convolve8_neon_dotprod(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4, int w,
+ int h) {
+ /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the
+ * maximum buffer size to 64 * (64 + 7). */
+ uint8_t temp[64 * 71];
+
+ /* Account for the vertical phase needing 3 lines prior and 4 lines post. */
+ const int intermediate_height = h + 7;
+
+ assert(y_step_q4 == 16);
+ assert(x_step_q4 == 16);
+
+ /* Filter starting 3 lines back. */
+ vpx_convolve8_2d_horiz_neon_dotprod(src - src_stride * 3, src_stride, temp, w,
+ filter, x0_q4, x_step_q4, y0_q4,
+ y_step_q4, w, intermediate_height);
+
+ /* Step into the temp buffer 3 lines to get the actual frame data. */
+ vpx_convolve8_vert_neon_dotprod(temp + w * 3, w, dst, dst_stride, filter,
+ x0_q4, x_step_q4, y0_q4, y_step_q4, w, h);
+}
+
+void vpx_convolve8_avg_neon_dotprod(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {
+ uint8_t temp[64 * 71];
+ const int intermediate_height = h + 7;
+
+ assert(y_step_q4 == 16);
+ assert(x_step_q4 == 16);
+
+ vpx_convolve8_2d_horiz_neon_dotprod(src - src_stride * 3, src_stride, temp, w,
+ filter, x0_q4, x_step_q4, y0_q4,
+ y_step_q4, w, intermediate_height);
+
+ vpx_convolve8_avg_vert_neon_dotprod(temp + w * 3, w, dst, dst_stride, filter,
+ x0_q4, x_step_q4, y0_q4, y_step_q4, w, h);
+}
--- /dev/null
+/*
+ * Copyright (c) 2023 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 <assert.h>
+
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/arm/vpx_convolve8_neon.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_ports/mem.h"
+
+void vpx_convolve8_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4, int w,
+ int h) {
+ /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the
+ * maximum buffer size to 64 * (64 + 7). */
+ uint8_t temp[64 * 71];
+
+ /* Account for the vertical phase needing 3 lines prior and 4 lines post. */
+ const int intermediate_height = h + 7;
+
+ assert(y_step_q4 == 16);
+ assert(x_step_q4 == 16);
+
+ /* Filter starting 3 lines back. */
+ vpx_convolve8_2d_horiz_neon_i8mm(src - src_stride * 3, src_stride, temp, w,
+ filter, x0_q4, x_step_q4, y0_q4, y_step_q4,
+ w, intermediate_height);
+
+ /* Step into the temp buffer 3 lines to get the actual frame data. */
+ vpx_convolve8_vert_neon_i8mm(temp + w * 3, w, dst, dst_stride, filter, x0_q4,
+ x_step_q4, y0_q4, y_step_q4, w, h);
+}
+
+void vpx_convolve8_avg_neon_i8mm(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int x_step_q4, int y0_q4, int y_step_q4, int w,
+ int h) {
+ uint8_t temp[64 * 71];
+ const int intermediate_height = h + 7;
+
+ assert(y_step_q4 == 16);
+ assert(x_step_q4 == 16);
+
+ vpx_convolve8_2d_horiz_neon_i8mm(src - src_stride * 3, src_stride, temp, w,
+ filter, x0_q4, x_step_q4, y0_q4, y_step_q4,
+ w, intermediate_height);
+
+ vpx_convolve8_avg_vert_neon_i8mm(temp + w * 3, w, dst, dst_stride, filter,
+ x0_q4, x_step_q4, y0_q4, y_step_q4, w, h);
+}
DSP_SRCS-yes += arm/vpx_convolve8_neon.c
DSP_SRCS-yes += arm/vpx_convolve_avg_neon.c
DSP_SRCS-yes += arm/vpx_convolve_neon.c
+DSP_SRCS-$(HAVE_NEON_DOTPROD) += arm/vpx_convolve8_neon_dotprod.c
+DSP_SRCS-$(HAVE_NEON_DOTPROD) += arm/vpx_convolve_neon_dotprod.c
+DSP_SRCS-$(HAVE_NEON_I8MM) += arm/vpx_convolve8_neon_i8mm.c
+DSP_SRCS-$(HAVE_NEON_I8MM) += arm/vpx_convolve_neon_i8mm.c
endif # HAVE_NEON
endif # HAVE_NEON_ASM
specialize qw/vpx_convolve_avg neon dspr2 msa sse2 vsx mmi lsx/;
add_proto qw/void vpx_convolve8/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_convolve8 sse2 ssse3 avx2 neon dspr2 msa vsx mmi lsx/;
+specialize qw/vpx_convolve8 sse2 ssse3 avx2 neon neon_dotprod neon_i8mm dspr2 msa vsx mmi lsx/;
add_proto qw/void vpx_convolve8_horiz/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_convolve8_horiz sse2 ssse3 avx2 neon dspr2 msa vsx mmi lsx/;
+specialize qw/vpx_convolve8_horiz sse2 ssse3 avx2 neon neon_dotprod neon_i8mm dspr2 msa vsx mmi lsx/;
add_proto qw/void vpx_convolve8_vert/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_convolve8_vert sse2 ssse3 avx2 neon dspr2 msa vsx mmi lsx/;
+specialize qw/vpx_convolve8_vert sse2 ssse3 avx2 neon neon_dotprod neon_i8mm dspr2 msa vsx mmi lsx/;
add_proto qw/void vpx_convolve8_avg/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_convolve8_avg sse2 ssse3 avx2 neon dspr2 msa vsx mmi lsx/;
+specialize qw/vpx_convolve8_avg sse2 ssse3 avx2 neon neon_dotprod neon_i8mm dspr2 msa vsx mmi lsx/;
add_proto qw/void vpx_convolve8_avg_horiz/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_convolve8_avg_horiz sse2 ssse3 avx2 neon dspr2 msa vsx mmi lsx/;
+specialize qw/vpx_convolve8_avg_horiz sse2 ssse3 avx2 neon neon_dotprod neon_i8mm dspr2 msa vsx mmi lsx/;
add_proto qw/void vpx_convolve8_avg_vert/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_convolve8_avg_vert sse2 ssse3 avx2 neon dspr2 msa vsx mmi lsx/;
+specialize qw/vpx_convolve8_avg_vert sse2 ssse3 avx2 neon neon_dotprod neon_i8mm dspr2 msa vsx mmi lsx/;
add_proto qw/void vpx_scaled_2d/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
specialize qw/vpx_scaled_2d ssse3 neon msa/;
projects / platform / upstream / libvpx.git / commitdiff