generic-library/vpx
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sad4d neon: 8x[4,8,16]

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BUG=webm:1425

Change-Id: I7de2500cca4b621f21478c4b0333c56d76dbc9a4
This commit is contained in:
Johann 2017-07-11 07:01:12 -07:00 committed by Johann Koenig
parent dd4347e9ec
commit 8152b0904d
3 changed files with 47 additions and 3 deletions
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3
test/sad_test.cc
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@ -678,6 +678,9 @@ const SadMxNx4Param x4d_neon_tests[] = {
SadMxNx4Param(64, 64, &vpx_sad64x64x4d_neon),
SadMxNx4Param(32, 32, &vpx_sad32x32x4d_neon),
SadMxNx4Param(16, 16, &vpx_sad16x16x4d_neon),
SadMxNx4Param(8, 16, &vpx_sad8x16x4d_neon),
SadMxNx4Param(8, 8, &vpx_sad8x8x4d_neon),
SadMxNx4Param(8, 4, &vpx_sad8x4x4d_neon),
SadMxNx4Param(4, 8, &vpx_sad4x8x4d_neon),
SadMxNx4Param(4, 4, &vpx_sad4x4x4d_neon),
};

41
vpx_dsp/arm/sad4d_neon.c
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@ -47,6 +47,47 @@ void vpx_sad4x8x4d_neon(const uint8_t *src, int src_stride,
}
}
static INLINE void sad8x_4d(const uint8_t *a, int a_stride,
const uint8_t *const b[4], int b_stride,
uint32_t *result, const int height) {
int i, j;
uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0) };
const uint8_t *b_loop[4] = { b[0], b[1], b[2], b[3] };
for (i = 0; i < height; ++i) {
const uint8x8_t a_u8 = vld1_u8(a);
a += a_stride;
for (j = 0; j < 4; ++j) {
const uint8x8_t b_u8 = vld1_u8(b_loop[j]);
b_loop[j] += b_stride;
sum[j] = vabal_u8(sum[j], a_u8, b_u8);
}
}
for (j = 0; j < 4; ++j) {
result[j] = vget_lane_u32(horizontal_add_uint16x8(sum[j]), 0);
}
}
void vpx_sad8x4x4d_neon(const uint8_t *src, int src_stride,
const uint8_t *const ref[4], int ref_stride,
uint32_t *res) {
sad8x_4d(src, src_stride, ref, ref_stride, res, 4);
}
void vpx_sad8x8x4d_neon(const uint8_t *src, int src_stride,
const uint8_t *const ref[4], int ref_stride,
uint32_t *res) {
sad8x_4d(src, src_stride, ref, ref_stride, res, 8);
}
void vpx_sad8x16x4d_neon(const uint8_t *src, int src_stride,
const uint8_t *const ref[4], int ref_stride,
uint32_t *res) {
sad8x_4d(src, src_stride, ref, ref_stride, res, 16);
}
static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
const uint16x8_t vec_hi) {
const uint32x4_t vec_l_lo =

6
vpx_dsp/vpx_dsp_rtcd_defs.pl
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@ -881,13 +881,13 @@ add_proto qw/void vpx_sad16x8x4d/, "const uint8_t *src_ptr, int src_stride, cons
specialize qw/vpx_sad16x8x4d msa sse2 vsx/;
add_proto qw/void vpx_sad8x16x4d/, "const uint8_t *src_ptr, int src_stride, const uint8_t * const ref_ptr[], int ref_stride, uint32_t *sad_array";
specialize qw/vpx_sad8x16x4d msa sse2/;
specialize qw/vpx_sad8x16x4d neon msa sse2/;
add_proto qw/void vpx_sad8x8x4d/, "const uint8_t *src_ptr, int src_stride, const uint8_t * const ref_ptr[], int ref_stride, uint32_t *sad_array";
specialize qw/vpx_sad8x8x4d msa sse2/;
specialize qw/vpx_sad8x8x4d neon msa sse2/;
add_proto qw/void vpx_sad8x4x4d/, "const uint8_t *src_ptr, int src_stride, const uint8_t * const ref_ptr[], int ref_stride, uint32_t *sad_array";
specialize qw/vpx_sad8x4x4d msa sse2/;
specialize qw/vpx_sad8x4x4d neon msa sse2/;
add_proto qw/void vpx_sad4x8x4d/, "const uint8_t *src_ptr, int src_stride, const uint8_t * const ref_ptr[], int ref_stride, uint32_t *sad_array";
specialize qw/vpx_sad4x8x4d neon msa sse2/;