diff options
Diffstat (limited to 'vpx_dsp/arm/sum_squares_neon.c')
| -rw-r--r-- | vpx_dsp/arm/sum_squares_neon.c | 117 |
1 files changed, 66 insertions, 51 deletions
diff --git a/vpx_dsp/arm/sum_squares_neon.c b/vpx_dsp/arm/sum_squares_neon.c index cfefad993..074afe325 100644 --- a/vpx_dsp/arm/sum_squares_neon.c +++ b/vpx_dsp/arm/sum_squares_neon.c @@ -9,77 +9,92 @@ */ #include <arm_neon.h> - #include <assert.h> + #include "./vpx_dsp_rtcd.h" +#include "vpx_dsp/arm/sum_neon.h" uint64_t vpx_sum_squares_2d_i16_neon(const int16_t *src, int stride, int size) { - uint64x1_t s2; - if (size == 4) { int16x4_t s[4]; - int32x4_t s0; - uint32x2_t s1; + int32x4_t sum_s32; s[0] = vld1_s16(src + 0 * stride); s[1] = vld1_s16(src + 1 * stride); s[2] = vld1_s16(src + 2 * stride); s[3] = vld1_s16(src + 3 * stride); - s0 = vmull_s16(s[0], s[0]); - s0 = vmlal_s16(s0, s[1], s[1]); - s0 = vmlal_s16(s0, s[2], s[2]); - s0 = vmlal_s16(s0, s[3], s[3]); - s1 = vpadd_u32(vget_low_u32(vreinterpretq_u32_s32(s0)), - vget_high_u32(vreinterpretq_u32_s32(s0))); - s2 = vpaddl_u32(s1); + + sum_s32 = vmull_s16(s[0], s[0]); + sum_s32 = vmlal_s16(sum_s32, s[1], s[1]); + sum_s32 = vmlal_s16(sum_s32, s[2], s[2]); + sum_s32 = vmlal_s16(sum_s32, s[3], s[3]); + + return horizontal_long_add_uint32x4(vreinterpretq_u32_s32(sum_s32)); } else { - int r = size; - uint64x2_t s1 = vdupq_n_u64(0); + uint64x2_t sum_u64 = vdupq_n_u64(0); + int rows = size; do { - int c = size; - int32x4_t s0 = vdupq_n_s32(0); - const int16_t *src_t = src; + const int16_t *src_ptr = src; + int32x4_t sum_s32[2] = { vdupq_n_s32(0), vdupq_n_s32(0) }; + int cols = size; do { int16x8_t s[8]; - s[0] = vld1q_s16(src_t + 0 * stride); - s[1] = vld1q_s16(src_t + 1 * stride); - s[2] = vld1q_s16(src_t + 2 * stride); - s[3] = vld1q_s16(src_t + 3 * stride); - s[4] = vld1q_s16(src_t + 4 * stride); - s[5] = vld1q_s16(src_t + 5 * stride); - s[6] = vld1q_s16(src_t + 6 * stride); - s[7] = vld1q_s16(src_t + 7 * stride); - s0 = vmlal_s16(s0, vget_low_s16(s[0]), vget_low_s16(s[0])); - s0 = vmlal_s16(s0, vget_low_s16(s[1]), vget_low_s16(s[1])); - s0 = vmlal_s16(s0, vget_low_s16(s[2]), vget_low_s16(s[2])); - s0 = vmlal_s16(s0, vget_low_s16(s[3]), vget_low_s16(s[3])); - s0 = vmlal_s16(s0, vget_low_s16(s[4]), vget_low_s16(s[4])); - s0 = vmlal_s16(s0, vget_low_s16(s[5]), vget_low_s16(s[5])); - s0 = vmlal_s16(s0, vget_low_s16(s[6]), vget_low_s16(s[6])); - s0 = vmlal_s16(s0, vget_low_s16(s[7]), vget_low_s16(s[7])); - s0 = vmlal_s16(s0, vget_high_s16(s[0]), vget_high_s16(s[0])); - s0 = vmlal_s16(s0, vget_high_s16(s[1]), vget_high_s16(s[1])); - s0 = vmlal_s16(s0, vget_high_s16(s[2]), vget_high_s16(s[2])); - s0 = vmlal_s16(s0, vget_high_s16(s[3]), vget_high_s16(s[3])); - s0 = vmlal_s16(s0, vget_high_s16(s[4]), vget_high_s16(s[4])); - s0 = vmlal_s16(s0, vget_high_s16(s[5]), vget_high_s16(s[5])); - s0 = vmlal_s16(s0, vget_high_s16(s[6]), vget_high_s16(s[6])); - s0 = vmlal_s16(s0, vget_high_s16(s[7]), vget_high_s16(s[7])); - src_t += 8; - c -= 8; - } while (c); + s[0] = vld1q_s16(src_ptr + 0 * stride); + s[1] = vld1q_s16(src_ptr + 1 * stride); + s[2] = vld1q_s16(src_ptr + 2 * stride); + s[3] = vld1q_s16(src_ptr + 3 * stride); + s[4] = vld1q_s16(src_ptr + 4 * stride); + s[5] = vld1q_s16(src_ptr + 5 * stride); + s[6] = vld1q_s16(src_ptr + 6 * stride); + s[7] = vld1q_s16(src_ptr + 7 * stride); - s1 = vaddw_u32(s1, vget_low_u32(vreinterpretq_u32_s32(s0))); - s1 = vaddw_u32(s1, vget_high_u32(vreinterpretq_u32_s32(s0))); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[0]), vget_low_s16(s[0])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[1]), vget_low_s16(s[1])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[2]), vget_low_s16(s[2])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[3]), vget_low_s16(s[3])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[4]), vget_low_s16(s[4])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[5]), vget_low_s16(s[5])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[6]), vget_low_s16(s[6])); + sum_s32[0] = + vmlal_s16(sum_s32[0], vget_low_s16(s[7]), vget_low_s16(s[7])); + + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[0]), vget_high_s16(s[0])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[1]), vget_high_s16(s[1])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[2]), vget_high_s16(s[2])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[3]), vget_high_s16(s[3])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[4]), vget_high_s16(s[4])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[5]), vget_high_s16(s[5])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[6]), vget_high_s16(s[6])); + sum_s32[1] = + vmlal_s16(sum_s32[1], vget_high_s16(s[7]), vget_high_s16(s[7])); + + src_ptr += 8; + cols -= 8; + } while (cols); + + sum_u64 = vpadalq_u32(sum_u64, vreinterpretq_u32_s32(sum_s32[0])); + sum_u64 = vpadalq_u32(sum_u64, vreinterpretq_u32_s32(sum_s32[1])); src += 8 * stride; - r -= 8; - } while (r); + rows -= 8; + } while (rows); - s2 = vadd_u64(vget_low_u64(s1), vget_high_u64(s1)); + return horizontal_add_uint64x2(sum_u64); } - - return vget_lane_u64(s2, 0); } |