ref: 77a648885cf1a271217fd66e7290932147523572
parent: 469643757f3b3616acd0157b670a910fc5b78577
author: Johann <johannkoenig@google.com>
date: Tue Jun 27 10:33:28 EDT 2017
sad neon: rewrite 32x32, add 32x16 and 32x64 BUG=webm:1425 Change-Id: I966650df7e3face93e1e771634d1cc5458a35f85
--- a/vpx_dsp/arm/sad_neon.c
+++ b/vpx_dsp/arm/sad_neon.c
@@ -117,6 +117,45 @@
return horizontal_add_16x8(abs);
}
+static INLINE uint16x8_t sad32x(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);
+
+ for (i = 0; i < height; ++i) {+ const uint8x16_t a_lo = vld1q_u8(a);
+ const uint8x16_t a_hi = vld1q_u8(a + 16);
+ const uint8x16_t b_lo = vld1q_u8(b);
+ const uint8x16_t b_hi = vld1q_u8(b + 16);
+ a += a_stride;
+ b += b_stride;
+ abs = vabal_u8(abs, vget_low_u8(a_lo), vget_low_u8(b_lo));
+ abs = vabal_u8(abs, vget_high_u8(a_lo), vget_high_u8(b_lo));
+ abs = vabal_u8(abs, vget_low_u8(a_hi), vget_low_u8(b_hi));
+ abs = vabal_u8(abs, vget_high_u8(a_hi), vget_high_u8(b_hi));
+ }
+ return abs;
+}
+
+uint32_t vpx_sad32x16_neon(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride) {+ const uint16x8_t abs = sad32x(src, src_stride, ref, ref_stride, 16);
+ return horizontal_add_16x8(abs);
+}
+
+uint32_t vpx_sad32x32_neon(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride) {+ const uint16x8_t abs = sad32x(src, src_stride, ref, ref_stride, 32);
+ return horizontal_add_16x8(abs);
+}
+
+uint32_t vpx_sad32x64_neon(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride) {+ const uint16x8_t abs = sad32x(src, src_stride, ref, ref_stride, 64);
+ return horizontal_add_16x8(abs);
+}
+
static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
const uint16x8_t vec_hi) {const uint32x4_t vec_l_lo =
@@ -164,29 +203,4 @@
vget_high_u8(vec_ref_48));
}
return horizontal_long_add_16x8(vec_accum_lo, vec_accum_hi);
-}
-
-unsigned int vpx_sad32x32_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 < 32; ++i) {- const uint8x16_t vec_src_00 = vld1q_u8(src);
- const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
- const uint8x16_t vec_ref_00 = vld1q_u8(ref);
- const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
- src += src_stride;
- ref += ref_stride;
- vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_00),
- vget_low_u8(vec_ref_00));
- vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_00),
- vget_high_u8(vec_ref_00));
- vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_16),
- vget_low_u8(vec_ref_16));
- vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_16),
- vget_high_u8(vec_ref_16));
- }
- return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
}
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -702,13 +702,13 @@
specialize qw/vpx_sad64x32 avx2 msa sse2 vsx/;
add_proto qw/unsigned int vpx_sad32x64/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride";
-specialize qw/vpx_sad32x64 avx2 msa sse2 vsx/;
+specialize qw/vpx_sad32x64 neon avx2 msa sse2 vsx/;
add_proto qw/unsigned int vpx_sad32x32/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride";
-specialize qw/vpx_sad32x32 avx2 neon msa sse2 vsx/;
+specialize qw/vpx_sad32x32 neon avx2 msa sse2 vsx/;
add_proto qw/unsigned int vpx_sad32x16/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride";
-specialize qw/vpx_sad32x16 avx2 msa sse2 vsx/;
+specialize qw/vpx_sad32x16 neon avx2 msa sse2 vsx/;
add_proto qw/unsigned int vpx_sad16x32/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride";
specialize qw/vpx_sad16x32 neon msa sse2 vsx/;