const SadMxNParam neon_tests[] = {
SadMxNParam(64, 64, &vpx_sad64x64_neon),
SadMxNParam(32, 32, &vpx_sad32x32_neon),
+ SadMxNParam(16, 32, &vpx_sad16x32_neon),
SadMxNParam(16, 16, &vpx_sad16x16_neon),
SadMxNParam(16, 8, &vpx_sad16x8_neon),
SadMxNParam(8, 16, &vpx_sad8x16_neon),
return horizontal_add_16x8(abs);
}
-unsigned int vpx_sad16x8_neon(unsigned char *src_ptr, int src_stride,
- unsigned char *ref_ptr, int ref_stride) {
- uint8x16_t q0, q4;
- uint16x8_t q12, q13;
- uint32x4_t q1;
- uint64x2_t q3;
- uint32x2_t d5;
+static INLINE uint16x8_t sad16x(const uint8_t *a, int a_stride,
+ const uint8_t *b, int b_stride,
+ const int height) {
int i;
+ uint16x8_t abs = vdupq_n_u16(0);
- q0 = vld1q_u8(src_ptr);
- src_ptr += src_stride;
- q4 = vld1q_u8(ref_ptr);
- ref_ptr += ref_stride;
- q12 = vabdl_u8(vget_low_u8(q0), vget_low_u8(q4));
- q13 = vabdl_u8(vget_high_u8(q0), vget_high_u8(q4));
-
- for (i = 0; i < 7; i++) {
- q0 = vld1q_u8(src_ptr);
- src_ptr += src_stride;
- q4 = vld1q_u8(ref_ptr);
- ref_ptr += ref_stride;
- q12 = vabal_u8(q12, vget_low_u8(q0), vget_low_u8(q4));
- q13 = vabal_u8(q13, vget_high_u8(q0), vget_high_u8(q4));
+ for (i = 0; i < height; ++i) {
+ const uint8x16_t a_u8 = vld1q_u8(a);
+ const uint8x16_t b_u8 = vld1q_u8(b);
+ a += a_stride;
+ b += b_stride;
+ abs = vabal_u8(abs, vget_low_u8(a_u8), vget_low_u8(b_u8));
+ abs = vabal_u8(abs, vget_high_u8(a_u8), vget_high_u8(b_u8));
}
+ return abs;
+}
- q12 = vaddq_u16(q12, q13);
- q1 = vpaddlq_u16(q12);
- q3 = vpaddlq_u32(q1);
- d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)),
- vreinterpret_u32_u64(vget_high_u64(q3)));
+uint32_t vpx_sad16x8_neon(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride) {
+ const uint16x8_t abs = sad16x(src, src_stride, ref, ref_stride, 8);
+ return horizontal_add_16x8(abs);
+}
+
+uint32_t vpx_sad16x16_neon(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride) {
+ const uint16x8_t abs = sad16x(src, src_stride, ref, ref_stride, 16);
+ return horizontal_add_16x8(abs);
+}
- return vget_lane_u32(d5, 0);
+uint32_t vpx_sad16x32_neon(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride) {
+ const uint16x8_t abs = sad16x(src, src_stride, ref, ref_stride, 32);
+ return horizontal_add_16x8(abs);
}
static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
}
return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
}
-
-unsigned int vpx_sad16x16_neon(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride) {
- int i;
- uint16x8_t vec_accum_lo = vdupq_n_u16(0);
- uint16x8_t vec_accum_hi = vdupq_n_u16(0);
-
- for (i = 0; i < 16; ++i) {
- const uint8x16_t vec_src = vld1q_u8(src);
- const uint8x16_t vec_ref = vld1q_u8(ref);
- src += src_stride;
- ref += ref_stride;
- vec_accum_lo =
- vabal_u8(vec_accum_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref));
- vec_accum_hi =
- vabal_u8(vec_accum_hi, vget_high_u8(vec_src), vget_high_u8(vec_ref));
- }
- return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
-}