generic-library/vpx
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sad4d neon: 4x4, 4x8

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BUG=webm:1425

Change-Id: I5081b5ce131821d590c53ac1206a94f50cb8b468
This commit is contained in:
Johann 2017-07-11 05:44:23 -07:00 committed by Johann Koenig
parent 66a96fd3de
commit dd4347e9ec
3 changed files with 37 additions and 2 deletions
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2
test/sad_test.cc
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@ -678,6 +678,8 @@ const SadMxNx4Param x4d_neon_tests[] = {
SadMxNx4Param(64, 64, &vpx_sad64x64x4d_neon),
SadMxNx4Param(32, 32, &vpx_sad32x32x4d_neon),
SadMxNx4Param(16, 16, &vpx_sad16x16x4d_neon),
SadMxNx4Param(4, 8, &vpx_sad4x8x4d_neon),
SadMxNx4Param(4, 4, &vpx_sad4x4x4d_neon),
};
INSTANTIATE_TEST_CASE_P(NEON, SADx4Test, ::testing::ValuesIn(x4d_neon_tests));
#endif // HAVE_NEON

33
vpx_dsp/arm/sad4d_neon.c
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@ -13,6 +13,39 @@
#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/sum_neon.h"
void vpx_sad4x4x4d_neon(const uint8_t *src, int src_stride,
const uint8_t *const ref[4], int ref_stride,
uint32_t *res) {
int i;
const uint8x16_t src_u8 = load_unaligned_u8q(src, src_stride);
for (i = 0; i < 4; ++i) {
const uint8x16_t ref_u8 = load_unaligned_u8q(ref[i], ref_stride);
uint16x8_t abs = vabdl_u8(vget_low_u8(src_u8), vget_low_u8(ref_u8));
abs = vabal_u8(abs, vget_high_u8(src_u8), vget_high_u8(ref_u8));
res[i] = vget_lane_u32(horizontal_add_uint16x8(abs), 0);
}
}
void vpx_sad4x8x4d_neon(const uint8_t *src, int src_stride,
const uint8_t *const ref[4], int ref_stride,
uint32_t *res) {
int i;
const uint8x16_t src_0 = load_unaligned_u8q(src, src_stride);
const uint8x16_t src_1 = load_unaligned_u8q(src + 4 * src_stride, src_stride);
for (i = 0; i < 4; ++i) {
const uint8x16_t ref_0 = load_unaligned_u8q(ref[i], ref_stride);
const uint8x16_t ref_1 =
load_unaligned_u8q(ref[i] + 4 * ref_stride, ref_stride);
uint16x8_t abs = vabdl_u8(vget_low_u8(src_0), vget_low_u8(ref_0));
abs = vabal_u8(abs, vget_high_u8(src_0), vget_high_u8(ref_0));
abs = vabal_u8(abs, vget_low_u8(src_1), vget_low_u8(ref_1));
abs = vabal_u8(abs, vget_high_u8(src_1), vget_high_u8(ref_1));
res[i] = vget_lane_u32(horizontal_add_uint16x8(abs), 0);
}
}
static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
const uint16x8_t vec_hi) {

4
vpx_dsp/vpx_dsp_rtcd_defs.pl
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@ -890,10 +890,10 @@ add_proto qw/void vpx_sad8x4x4d/, "const uint8_t *src_ptr, int src_stride, const
specialize qw/vpx_sad8x4x4d 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 msa sse2/;
specialize qw/vpx_sad4x8x4d neon msa sse2/;
add_proto qw/void vpx_sad4x4x4d/, "const uint8_t *src_ptr, int src_stride, const uint8_t * const ref_ptr[], int ref_stride, uint32_t *sad_array";
specialize qw/vpx_sad4x4x4d msa sse2/;
specialize qw/vpx_sad4x4x4d neon msa sse2/;
add_proto qw/uint64_t vpx_sum_squares_2d_i16/, "const int16_t *src, int stride, int size";
specialize qw/vpx_sum_squares_2d_i16 sse2 msa/;