diff options
Diffstat (limited to 'third_party/aom/av1/common/arm/convolve_neon.c')
| -rw-r--r-- | third_party/aom/av1/common/arm/convolve_neon.c | 363 |
1 files changed, 342 insertions, 21 deletions
diff --git a/third_party/aom/av1/common/arm/convolve_neon.c b/third_party/aom/av1/common/arm/convolve_neon.c index f15744c94..d0c4f8ff6 100644 --- a/third_party/aom/av1/common/arm/convolve_neon.c +++ b/third_party/aom/av1/common/arm/convolve_neon.c @@ -13,6 +13,8 @@ #include <assert.h> #include <arm_neon.h> +#include "config/av1_rtcd.h" + #include "aom_dsp/aom_dsp_common.h" #include "aom_ports/mem.h" #include "av1/common/convolve.h" @@ -68,6 +70,33 @@ static INLINE uint8x8_t convolve8_horiz_8x8( return vqmovun_s16(sum); } +#if !defined(__aarch64__) +static INLINE uint8x8_t convolve8_horiz_4x1( + const int16x4_t s0, const int16x4_t s1, const int16x4_t s2, + const int16x4_t s3, const int16x4_t s4, const int16x4_t s5, + const int16x4_t s6, const int16x4_t s7, const int16_t *filter, + const int16x4_t shift_round_0, const int16x4_t shift_by_bits) { + int16x4_t sum; + + sum = vmul_n_s16(s0, filter[0]); + sum = vmla_n_s16(sum, s1, filter[1]); + sum = vmla_n_s16(sum, s2, filter[2]); + sum = vmla_n_s16(sum, s5, filter[5]); + sum = vmla_n_s16(sum, s6, filter[6]); + sum = vmla_n_s16(sum, s7, filter[7]); + /* filter[3] can take a max value of 128. So the max value of the result : + * 128*255 + sum > 16 bits + */ + sum = vqadd_s16(sum, vmul_n_s16(s3, filter[3])); + sum = vqadd_s16(sum, vmul_n_s16(s4, filter[4])); + + sum = vqrshl_s16(sum, shift_round_0); + sum = vqrshl_s16(sum, shift_by_bits); + + return vqmovun_s16(vcombine_s16(sum, sum)); +} +#endif // !defined(__arch64__) + static INLINE uint8x8_t convolve8_vert_8x4( const int16x8_t s0, const int16x8_t s1, const int16x8_t s2, const int16x8_t s3, const int16x8_t s4, const int16x8_t s5, @@ -175,7 +204,10 @@ void av1_convolve_x_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, (void)conv_params; (void)filter_params_y; - uint8x8_t t0, t1, t2, t3; + uint8x8_t t0; +#if defined(__aarch64__) + uint8x8_t t1, t2, t3; +#endif assert(bits >= 0); assert((FILTER_BITS - conv_params->round_1) >= 0 || @@ -188,7 +220,7 @@ void av1_convolve_x_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, const int16x8_t shift_by_bits = vdupq_n_s16(-bits); src -= horiz_offset; - +#if defined(__aarch64__) if (h == 4) { uint8x8_t d01, d23; int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3; @@ -275,12 +307,18 @@ void av1_convolve_x_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, w -= 4; } while (w > 0); } else { +#endif int width; const uint8_t *s; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + +#if defined(__aarch64__) + int16x8_t s8, s9, s10; uint8x8_t t4, t5, t6, t7; - int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; +#endif if (w <= 4) { +#if defined(__aarch64__) do { load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); @@ -387,10 +425,49 @@ void av1_convolve_x_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, } h -= 8; } while (h > 0); +#else + int16x8_t tt0; + int16x4_t x0, x1, x2, x3, x4, x5, x6, x7; + const int16x4_t shift_round_0_low = vget_low_s16(shift_round_0); + const int16x4_t shift_by_bits_low = vget_low_s16(shift_by_bits); + do { + t0 = vld1_u8(src); // a0 a1 a2 a3 a4 a5 a6 a7 + tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); + x0 = vget_low_s16(tt0); // a0 a1 a2 a3 + x4 = vget_high_s16(tt0); // a4 a5 a6 a7 + + t0 = vld1_u8(src + 8); // a8 a9 a10 a11 a12 a13 a14 a15 + tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); + x7 = vget_low_s16(tt0); // a8 a9 a10 a11 + + x1 = vext_s16(x0, x4, 1); // a1 a2 a3 a4 + x2 = vext_s16(x0, x4, 2); // a2 a3 a4 a5 + x3 = vext_s16(x0, x4, 3); // a3 a4 a5 a6 + x5 = vext_s16(x4, x7, 1); // a5 a6 a7 a8 + x6 = vext_s16(x4, x7, 2); // a6 a7 a8 a9 + x7 = vext_s16(x4, x7, 3); // a7 a8 a9 a10 + + src += src_stride; + + t0 = convolve8_horiz_4x1(x0, x1, x2, x3, x4, x5, x6, x7, x_filter, + shift_round_0_low, shift_by_bits_low); + + if (w == 4) { + vst1_lane_u32((uint32_t *)dst, vreinterpret_u32_u8(t0), + 0); // 00 01 02 03 + dst += dst_stride; + } else if (w == 2) { + vst1_lane_u16((uint16_t *)dst, vreinterpret_u16_u8(t0), 0); // 00 01 + dst += dst_stride; + } + h -= 1; + } while (h > 0); +#endif } else { uint8_t *d; - int16x8_t s11, s12, s13, s14; - + int16x8_t s11; +#if defined(__aarch64__) + int16x8_t s12, s13, s14; do { __builtin_prefetch(src + 0 * src_stride); __builtin_prefetch(src + 1 * src_stride); @@ -479,8 +556,47 @@ void av1_convolve_x_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, dst += 8 * dst_stride; h -= 8; } while (h > 0); +#else + do { + t0 = vld1_u8(src); // a0 a1 a2 a3 a4 a5 a6 a7 + s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); + + width = w; + s = src + 8; + d = dst; + __builtin_prefetch(dst); + + do { + t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 + s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); + s11 = s0; + s0 = s7; + + s1 = vextq_s16(s11, s7, 1); // a1 a2 a3 a4 a5 a6 a7 a8 + s2 = vextq_s16(s11, s7, 2); // a2 a3 a4 a5 a6 a7 a8 a9 + s3 = vextq_s16(s11, s7, 3); // a3 a4 a5 a6 a7 a8 a9 a10 + s4 = vextq_s16(s11, s7, 4); // a4 a5 a6 a7 a8 a9 a10 a11 + s5 = vextq_s16(s11, s7, 5); // a5 a6 a7 a8 a9 a10 a11 a12 + s6 = vextq_s16(s11, s7, 6); // a6 a7 a8 a9 a10 a11 a12 a13 + s7 = vextq_s16(s11, s7, 7); // a7 a8 a9 a10 a11 a12 a13 a14 + + t0 = convolve8_horiz_8x8(s11, s1, s2, s3, s4, s5, s6, s7, x_filter, + shift_round_0, shift_by_bits); + vst1_u8(d, t0); + + s += 8; + d += 8; + width -= 8; + } while (width > 0); + src += src_stride; + dst += dst_stride; + h -= 1; + } while (h > 0); +#endif } +#if defined(__aarch64__) } +#endif } void av1_convolve_y_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, @@ -505,9 +621,12 @@ void av1_convolve_y_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, filter_params_y, subpel_y_q4 & SUBPEL_MASK); if (w <= 4) { - uint8x8_t d01, d23; - int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3; - + uint8x8_t d01; + int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, d0; +#if defined(__aarch64__) + uint8x8_t d23; + int16x4_t s8, s9, s10, d1, d2, d3; +#endif s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(vld1_u8(src)))); src += src_stride; s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(vld1_u8(src)))); @@ -526,6 +645,7 @@ void av1_convolve_y_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, do { s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(vld1_u8(src)))); src += src_stride; +#if defined(__aarch64__) s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(vld1_u8(src)))); src += src_stride; s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(vld1_u8(src)))); @@ -591,14 +711,41 @@ void av1_convolve_y_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, s5 = s9; s6 = s10; h -= 4; +#else + __builtin_prefetch(dst + 0 * dst_stride); + __builtin_prefetch(src + 0 * src_stride); + + d0 = convolve8_4x4(s0, s1, s2, s3, s4, s5, s6, s7, y_filter); + + d01 = vqrshrun_n_s16(vcombine_s16(d0, d0), FILTER_BITS); + + if (w == 4) { + vst1_lane_u32((uint32_t *)dst, vreinterpret_u32_u8(d01), 0); + dst += dst_stride; + } else if (w == 2) { + vst1_lane_u16((uint16_t *)dst, vreinterpret_u16_u8(d01), 0); + dst += dst_stride; + } + s0 = s1; + s1 = s2; + s2 = s3; + s3 = s4; + s4 = s5; + s5 = s6; + s6 = s7; + h -= 1; +#endif } while (h > 0); } else { int height; const uint8_t *s; uint8_t *d; - uint8x8_t t0, t1, t2, t3; - int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; - + uint8x8_t t0; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; +#if defined(__aarch64__) + uint8x8_t t1, t2, t3; + int16x8_t s8, s9, s10; +#endif do { __builtin_prefetch(src + 0 * src_stride); __builtin_prefetch(src + 1 * src_stride); @@ -628,6 +775,7 @@ void av1_convolve_y_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, do { s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); s += src_stride; +#if defined(__aarch64__) s8 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); s += src_stride; s9 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); @@ -670,6 +818,24 @@ void av1_convolve_y_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, s5 = s9; s6 = s10; height -= 4; +#else + __builtin_prefetch(d); + __builtin_prefetch(s); + + t0 = convolve8_vert_8x4(s0, s1, s2, s3, s4, s5, s6, s7, y_filter); + + vst1_u8(d, t0); + d += dst_stride; + + s0 = s1; + s1 = s2; + s2 = s3; + s3 = s4; + s4 = s5; + s5 = s6; + s6 = s7; + height -= 1; +#endif } while (height > 0); src += 8; dst += 8; @@ -686,7 +852,10 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, ConvolveParams *conv_params) { int im_dst_stride; int width, height; - uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; + uint8x8_t t0; +#if defined(__aarch64__) + uint8x8_t t1, t2, t3, t4, t5, t6, t7; +#endif DECLARE_ALIGNED(16, int16_t, im_block[(MAX_SB_SIZE + HORIZ_EXTRA_ROWS) * MAX_SB_SIZE]); @@ -724,13 +893,18 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, assert(conv_params->round_0 > 0); if (w <= 4) { - int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3; + int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, d0; +#if defined(__aarch64__) + int16x4_t s8, s9, s10, d1, d2, d3; +#endif const int16x4_t horiz_const = vdup_n_s16((1 << (bd + FILTER_BITS - 2))); const int16x4_t shift_round_0 = vdup_n_s16(-(conv_params->round_0 - 1)); do { s = src_ptr; + +#if defined(__aarch64__) __builtin_prefetch(s + 0 * src_stride); __builtin_prefetch(s + 1 * src_stride); __builtin_prefetch(s + 2 * src_stride); @@ -789,16 +963,56 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, src_ptr += 4 * src_stride; dst_ptr += 4 * im_dst_stride; height -= 4; +#else + int16x8_t tt0; + + __builtin_prefetch(s); + + t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 + tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); + s0 = vget_low_s16(tt0); + s4 = vget_high_s16(tt0); + + __builtin_prefetch(dst_ptr); + s += 8; + + t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 + s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); + + s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 + s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 + s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 + s5 = vext_s16(s4, s7, 1); // a5 a6 a7 a8 + s6 = vext_s16(s4, s7, 2); // a6 a7 a8 a9 + s7 = vext_s16(s4, s7, 3); // a7 a8 a9 a10 + + d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp, + horiz_const, shift_round_0); + + if (w == 4) { + vst1_s16(dst_ptr, d0); + dst_ptr += im_dst_stride; + } else if (w == 2) { + vst1_lane_u32((uint32_t *)dst_ptr, vreinterpret_u32_s16(d0), 0); + dst_ptr += im_dst_stride; + } + + src_ptr += src_stride; + height -= 1; +#endif } while (height > 0); } else { int16_t *d_tmp; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, res0; +#if defined(__aarch64__) + int16x8_t s8, s9, s10, res1, res2, res3, res4, res5, res6, res7; int16x8_t s11, s12, s13, s14; - int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; - int16x8_t res0, res1, res2, res3, res4, res5, res6, res7; +#endif const int16x8_t horiz_const = vdupq_n_s16((1 << (bd + FILTER_BITS - 2))); const int16x8_t shift_round_0 = vdupq_n_s16(-(conv_params->round_0 - 1)); +#if defined(__aarch64__) do { __builtin_prefetch(src_ptr + 0 * src_stride); __builtin_prefetch(src_ptr + 1 * src_stride); @@ -886,6 +1100,45 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, dst_ptr += 8 * im_dst_stride; height -= 8; } while (height > 0); +#else + do { + t0 = vld1_u8(src_ptr); + s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7 + + width = w; + s = src_ptr + 8; + d_tmp = dst_ptr; + + __builtin_prefetch(dst_ptr); + + do { + t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 + s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); + int16x8_t sum = s0; + s0 = s7; + + s1 = vextq_s16(sum, s7, 1); // a1 a2 a3 a4 a5 a6 a7 a8 + s2 = vextq_s16(sum, s7, 2); // a2 a3 a4 a5 a6 a7 a8 a9 + s3 = vextq_s16(sum, s7, 3); // a3 a4 a5 a6 a7 a8 a9 a10 + s4 = vextq_s16(sum, s7, 4); // a4 a5 a6 a7 a8 a9 a10 a11 + s5 = vextq_s16(sum, s7, 5); // a5 a6 a7 a8 a9 a10 a11 a12 + s6 = vextq_s16(sum, s7, 6); // a6 a7 a8 a9 a10 a11 a12 a13 + s7 = vextq_s16(sum, s7, 7); // a7 a8 a9 a10 a11 a12 a13 a14 + + res0 = convolve8_8x8_s16(sum, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp, + horiz_const, shift_round_0); + + vst1q_s16(d_tmp, res0); + + s += 8; + d_tmp += 8; + width -= 8; + } while (width > 0); + src_ptr += src_stride; + dst_ptr += im_dst_stride; + height -= 1; + } while (height > 0); +#endif } // vertical @@ -910,10 +1163,17 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, width = w; if (width <= 4) { - int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; - uint16x4_t d0, d1, d2, d3; - uint16x8_t dd0, dd1; - uint8x8_t d01, d23; + int16x4_t s0, s1, s2, s3, s4, s5, s6, s7; + uint16x4_t d0; + uint16x8_t dd0; + uint8x8_t d01; + +#if defined(__aarch64__) + int16x4_t s8, s9, s10; + uint16x4_t d1, d2, d3; + uint16x8_t dd1; + uint8x8_t d23; +#endif d_u8 = dst_u8_ptr; v_s = v_src_ptr; @@ -931,6 +1191,7 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, v_s += (7 * im_stride); do { +#if defined(__aarch64__) load_s16_4x4(v_s, im_stride, &s7, &s8, &s9, &s10); v_s += (im_stride << 2); @@ -1008,11 +1269,48 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, s5 = s9; s6 = s10; height -= 4; +#else + s7 = vld1_s16(v_s); + v_s += im_stride; + + __builtin_prefetch(d_u8 + 0 * dst_stride); + + d0 = convolve8_vert_4x4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, + round_shift_vec, offset_const, + sub_const_vec); + + dd0 = vqrshlq_u16(vcombine_u16(d0, d0), vec_round_bits); + d01 = vqmovn_u16(dd0); + + if (w == 4) { + vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(d01), + 0); // 00 01 02 03 + d_u8 += dst_stride; + + } else if (w == 2) { + vst1_lane_u16((uint16_t *)d_u8, vreinterpret_u16_u8(d01), + 0); // 00 01 + d_u8 += dst_stride; + } + + s0 = s1; + s1 = s2; + s2 = s3; + s3 = s4; + s4 = s5; + s5 = s6; + s6 = s7; + height -= 1; +#endif } while (height > 0); } else { // if width is a multiple of 8 & height is a multiple of 4 - int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; - uint8x8_t res0, res1, res2, res3; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + uint8x8_t res0; +#if defined(__aarch64__) + int16x8_t s8, s9, s10; + uint8x8_t res1, res2, res3; +#endif do { __builtin_prefetch(v_src_ptr + 0 * im_stride); @@ -1032,6 +1330,7 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, height = h; do { +#if defined(__aarch64__) load_s16_8x4(v_s, im_stride, &s7, &s8, &s9, &s10); v_s += (im_stride << 2); @@ -1076,6 +1375,28 @@ void av1_convolve_2d_sr_neon(const uint8_t *src, int src_stride, uint8_t *dst, s5 = s9; s6 = s10; height -= 4; +#else + s7 = vld1q_s16(v_s); + v_s += im_stride; + + __builtin_prefetch(d_u8 + 0 * dst_stride); + + res0 = convolve8_vert_8x4_s32(s0, s1, s2, s3, s4, s5, s6, s7, + y_filter, round_shift_vec, offset_const, + sub_const_vec, vec_round_bits); + + vst1_u8(d_u8, res0); + d_u8 += dst_stride; + + s0 = s1; + s1 = s2; + s2 = s3; + s3 = s4; + s4 = s5; + s5 = s6; + s6 = s7; + height -= 1; +#endif } while (height > 0); v_src_ptr += 8; dst_u8_ptr += 8; |