ref: 3ec20445b28ceccb0a32727f81ef2659596aaf33
parent: d5d2cbcc758d8b735d2aba25663914185d11cada
author: Linfeng Zhang <linfengz@google.com>
date: Tue Sep 5 10:48:17 EDT 2017
Refactor convolve8 NEON functions Change-Id: I4ac576875c91fee7cb150d298fae4a2c156d374c
--- a/vpx_dsp/arm/highbd_vpx_convolve8_neon.c
+++ b/vpx_dsp/arm/highbd_vpx_convolve8_neon.c
@@ -17,8 +17,9 @@
#include "vpx_dsp/arm/transpose_neon.h"
#include "vpx_ports/mem.h"
-static INLINE void load_4x4(const int16_t *s, ptrdiff_t p, int16x4_t *s0,
- int16x4_t *s1, int16x4_t *s2, int16x4_t *s3) {+static INLINE void load_4x4(const int16_t *s, const ptrdiff_t p,
+ int16x4_t *const s0, int16x4_t *const s1,
+ int16x4_t *const s2, int16x4_t *const s3) {*s0 = vld1_s16(s);
s += p;
*s1 = vld1_s16(s);
@@ -28,8 +29,9 @@
*s3 = vld1_s16(s);
}
-static INLINE void load_8x4(const uint16_t *s, ptrdiff_t p, uint16x8_t *s0,
- uint16x8_t *s1, uint16x8_t *s2, uint16x8_t *s3) {+static INLINE void load_8x4(const uint16_t *s, const ptrdiff_t p,
+ uint16x8_t *const s0, uint16x8_t *const s1,
+ uint16x8_t *const s2, uint16x8_t *const s3) {*s0 = vld1q_u16(s);
s += p;
*s1 = vld1q_u16(s);
@@ -39,10 +41,11 @@
*s3 = vld1q_u16(s);
}
-static INLINE void load_8x8(const int16_t *s, ptrdiff_t p, int16x8_t *s0,
- int16x8_t *s1, int16x8_t *s2, int16x8_t *s3,
- int16x8_t *s4, int16x8_t *s5, int16x8_t *s6,
- int16x8_t *s7) {+static INLINE void load_8x8(const int16_t *s, const ptrdiff_t p,
+ int16x8_t *const s0, int16x8_t *const s1,
+ int16x8_t *const s2, int16x8_t *const s3,
+ int16x8_t *const s4, int16x8_t *const s5,
+ int16x8_t *const s6, int16x8_t *const s7) {*s0 = vld1q_s16(s);
s += p;
*s1 = vld1q_s16(s);
@@ -60,11 +63,11 @@
*s7 = vld1q_s16(s);
}
-static INLINE void store_8x8(uint16_t *s, ptrdiff_t p, const uint16x8_t s0,
- const uint16x8_t s1, const uint16x8_t s2,
- const uint16x8_t s3, const uint16x8_t s4,
- const uint16x8_t s5, const uint16x8_t s6,
- const uint16x8_t s7) {+static INLINE void store_8x8(uint16_t *s, const ptrdiff_t p,
+ const uint16x8_t s0, const uint16x8_t s1,
+ const uint16x8_t s2, const uint16x8_t s3,
+ const uint16x8_t s4, const uint16x8_t s5,
+ const uint16x8_t s6, const uint16x8_t s7) {vst1q_u16(s, s0);
s += p;
vst1q_u16(s, s1);
@@ -89,9 +92,9 @@
const int16x8_t filters) {const int16x4_t filters_lo = vget_low_s16(filters);
const int16x4_t filters_hi = vget_high_s16(filters);
- int32x4_t sum = vdupq_n_s32(0);
+ int32x4_t sum;
- sum = vmlal_lane_s16(sum, s0, filters_lo, 0);
+ sum = vmull_lane_s16(s0, filters_lo, 0);
sum = vmlal_lane_s16(sum, s1, filters_lo, 1);
sum = vmlal_lane_s16(sum, s2, filters_lo, 2);
sum = vmlal_lane_s16(sum, s3, filters_lo, 3);
@@ -110,11 +113,10 @@
const uint16x8_t max) {const int16x4_t filters_lo = vget_low_s16(filters);
const int16x4_t filters_hi = vget_high_s16(filters);
- int32x4_t sum0 = vdupq_n_s32(0);
- int32x4_t sum1 = vdupq_n_s32(0);
+ int32x4_t sum0, sum1;
uint16x8_t d;
- sum0 = vmlal_lane_s16(sum0, vget_low_s16(s0), filters_lo, 0);
+ sum0 = vmull_lane_s16(vget_low_s16(s0), filters_lo, 0);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), filters_lo, 1);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), filters_lo, 2);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), filters_lo, 3);
@@ -122,7 +124,7 @@
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), filters_hi, 1);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s6), filters_hi, 2);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s7), filters_hi, 3);
- sum1 = vmlal_lane_s16(sum1, vget_high_s16(s0), filters_lo, 0);
+ sum1 = vmull_lane_s16(vget_high_s16(s0), filters_lo, 0);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), filters_lo, 1);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), filters_lo, 2);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), filters_lo, 3);
--- a/vpx_dsp/arm/vpx_convolve8_neon.c
+++ b/vpx_dsp/arm/vpx_convolve8_neon.c
@@ -15,6 +15,7 @@
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/arm/transpose_neon.h"
+#include "vpx_dsp/arm/vpx_convolve8_neon.h"
#include "vpx_ports/mem.h"
// Note:
@@ -29,8 +30,9 @@
// instructions. This optimization is much faster in speed unit test, but slowed
// down the whole decoder by 5%.
-static INLINE void load_8x4(const uint8_t *s, ptrdiff_t p, uint8x8_t *s0,
- uint8x8_t *s1, uint8x8_t *s2, uint8x8_t *s3) {+static INLINE void load_u8_8x4(const uint8_t *s, const ptrdiff_t p,
+ uint8x8_t *const s0, uint8x8_t *const s1,
+ uint8x8_t *const s2, uint8x8_t *const s3) {*s0 = vld1_u8(s);
s += p;
*s1 = vld1_u8(s);
@@ -40,32 +42,11 @@
*s3 = vld1_u8(s);
}
-static INLINE void load_8x8(const uint8_t *s, ptrdiff_t p, uint8x8_t *s0,
- uint8x8_t *s1, uint8x8_t *s2, uint8x8_t *s3,
- uint8x8_t *s4, uint8x8_t *s5, uint8x8_t *s6,
- uint8x8_t *s7) {- *s0 = vld1_u8(s);
- s += p;
- *s1 = vld1_u8(s);
- s += p;
- *s2 = vld1_u8(s);
- s += p;
- *s3 = vld1_u8(s);
- s += p;
- *s4 = vld1_u8(s);
- s += p;
- *s5 = vld1_u8(s);
- s += p;
- *s6 = vld1_u8(s);
- s += p;
- *s7 = vld1_u8(s);
-}
-
-static INLINE void store_8x8(uint8_t *s, ptrdiff_t p, const uint8x8_t s0,
- const uint8x8_t s1, const uint8x8_t s2,
- const uint8x8_t s3, const uint8x8_t s4,
- const uint8x8_t s5, const uint8x8_t s6,
- const uint8x8_t s7) {+static INLINE void store_u8_8x8(uint8_t *s, const ptrdiff_t p,
+ const uint8x8_t s0, const uint8x8_t s1,
+ const uint8x8_t s2, const uint8x8_t s3,
+ const uint8x8_t s4, const uint8x8_t s5,
+ const uint8x8_t s6, const uint8x8_t s7) {vst1_u8(s, s0);
s += p;
vst1_u8(s, s1);
@@ -83,16 +64,18 @@
vst1_u8(s, s7);
}
-static INLINE int16x4_t convolve8_4(int16x4_t s0, int16x4_t s1, int16x4_t s2,
- int16x4_t s3, int16x4_t s4, int16x4_t s5,
- int16x4_t s6, int16x4_t s7,
- int16x8_t filters, int16x4_t filter3,
- int16x4_t filter4) {+static INLINE int16x4_t convolve8_4(const int16x4_t s0, const int16x4_t s1,
+ const int16x4_t s2, const int16x4_t s3,
+ const int16x4_t s4, const int16x4_t s5,
+ const int16x4_t s6, const int16x4_t s7,
+ const int16x8_t filters,
+ const int16x4_t filter3,
+ const int16x4_t filter4) {const int16x4_t filters_lo = vget_low_s16(filters);
const int16x4_t filters_hi = vget_high_s16(filters);
- int16x4_t sum = vdup_n_s16(0);
+ int16x4_t sum;
- sum = vmla_lane_s16(sum, s0, filters_lo, 0);
+ sum = vmul_lane_s16(s0, filters_lo, 0);
sum = vmla_lane_s16(sum, s1, filters_lo, 1);
sum = vmla_lane_s16(sum, s2, filters_lo, 2);
sum = vmla_lane_s16(sum, s5, filters_hi, 1);
@@ -103,26 +86,6 @@
return sum;
}
-static INLINE int16x8_t convolve8_8(int16x8_t s0, int16x8_t s1, int16x8_t s2,
- int16x8_t s3, int16x8_t s4, int16x8_t s5,
- int16x8_t s6, int16x8_t s7,
- int16x8_t filters, int16x8_t filter3,
- int16x8_t filter4) {- const int16x4_t filters_lo = vget_low_s16(filters);
- const int16x4_t filters_hi = vget_high_s16(filters);
- int16x8_t sum = vdupq_n_s16(0);
-
- sum = vmlaq_lane_s16(sum, s0, filters_lo, 0);
- sum = vmlaq_lane_s16(sum, s1, filters_lo, 1);
- sum = vmlaq_lane_s16(sum, s2, filters_lo, 2);
- sum = vmlaq_lane_s16(sum, s5, filters_hi, 1);
- sum = vmlaq_lane_s16(sum, s6, filters_hi, 2);
- sum = vmlaq_lane_s16(sum, s7, filters_hi, 3);
- sum = vqaddq_s16(sum, vmulq_s16(s3, filter3));
- sum = vqaddq_s16(sum, vmulq_s16(s4, filter4));
- return sum;
-}
-
void vpx_convolve8_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const InterpKernel *filter, int x0_q4,
@@ -153,7 +116,7 @@
__builtin_prefetch(src + 3 * src_stride);
filter3 = vdup_lane_s16(vget_low_s16(filters), 3);
filter4 = vdup_lane_s16(vget_high_s16(filters), 0);
- load_8x4(src, src_stride, &t0, &t1, &t2, &t3);
+ load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_u8_8x4(&t0, &t1, &t2, &t3);
tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -173,7 +136,7 @@
src += 7;
do {- load_8x4(src, src_stride, &t0, &t1, &t2, &t3);
+ load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_u8_8x4(&t0, &t1, &t2, &t3);
tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -223,11 +186,11 @@
int width;
const uint8_t *s;
uint8x8_t t4, t5, t6, t7;
- int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
if (w == 4) { do {- load_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -237,7 +200,8 @@
s5 = vreinterpretq_s16_u16(vmovl_u8(t5));
s6 = vreinterpretq_s16_u16(vmovl_u8(t6));
- load_8x8(src + 7, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(src + 7, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6,
+ &t7);
src += 8 * src_stride;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
@@ -247,7 +211,7 @@
__builtin_prefetch(dst + 5 * dst_stride);
__builtin_prefetch(dst + 6 * dst_stride);
__builtin_prefetch(dst + 7 * dst_stride);
- transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ transpose_u8_4x8(&t0, &t1, &t2, &t3, t4, t5, t6, t7);
s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
s9 = vreinterpretq_s16_u16(vmovl_u8(t2));
@@ -261,19 +225,15 @@
__builtin_prefetch(src + 5 * src_stride);
__builtin_prefetch(src + 6 * src_stride);
__builtin_prefetch(src + 7 * src_stride);
- d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
+ t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
filter4);
- d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
+ t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
filter4);
- d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
+ t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
filter4);
- d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
+ t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
filter4);
- t0 = vqrshrun_n_s16(d0, 7);
- t1 = vqrshrun_n_s16(d1, 7);
- t2 = vqrshrun_n_s16(d2, 7);
- t3 = vqrshrun_n_s16(d3, 7);
transpose_u8_8x4(&t0, &t1, &t2, &t3);
vst1_lane_u32((uint32_t *)dst, vreinterpret_u32_u8(t0), 0);
dst += dst_stride;
@@ -295,7 +255,7 @@
} while (h > 0);
} else {uint8_t *d;
- int16x8_t s11, s12, s13, s14, d4, d5, d6, d7;
+ int16x8_t s11, s12, s13, s14;
do {__builtin_prefetch(src + 0 * src_stride);
@@ -306,7 +266,7 @@
__builtin_prefetch(src + 5 * src_stride);
__builtin_prefetch(src + 6 * src_stride);
__builtin_prefetch(src + 7 * src_stride);
- load_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -329,7 +289,7 @@
__builtin_prefetch(dst + 7 * dst_stride);
do {- load_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -340,33 +300,25 @@
s13 = vreinterpretq_s16_u16(vmovl_u8(t6));
s14 = vreinterpretq_s16_u16(vmovl_u8(t7));
- d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
+ t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
filter4);
- d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
+ t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
filter4);
- d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
+ t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
filter4);
- d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
+ t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
filter4);
- d4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filters, filter3,
+ t4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filters, filter3,
filter4);
- d5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filters, filter3,
+ t5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filters, filter3,
filter4);
- d6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filters, filter3,
+ t6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filters, filter3,
filter4);
- d7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filters,
+ t7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filters,
filter3, filter4);
- t0 = vqrshrun_n_s16(d0, 7);
- t1 = vqrshrun_n_s16(d1, 7);
- t2 = vqrshrun_n_s16(d2, 7);
- t3 = vqrshrun_n_s16(d3, 7);
- t4 = vqrshrun_n_s16(d4, 7);
- t5 = vqrshrun_n_s16(d5, 7);
- t6 = vqrshrun_n_s16(d6, 7);
- t7 = vqrshrun_n_s16(d7, 7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
- store_8x8(d, dst_stride, t0, t1, t2, t3, t4, t5, t6, t7);
+ store_u8_8x8(d, dst_stride, t0, t1, t2, t3, t4, t5, t6, t7);
s0 = s8;
s1 = s9;
@@ -418,7 +370,7 @@
__builtin_prefetch(src + 3 * src_stride);
filter3 = vdup_lane_s16(vget_low_s16(filters), 3);
filter4 = vdup_lane_s16(vget_high_s16(filters), 0);
- load_8x4(src, src_stride, &t0, &t1, &t2, &t3);
+ load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_u8_8x4(&t0, &t1, &t2, &t3);
tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -438,7 +390,7 @@
src += 7;
do {- load_8x4(src, src_stride, &t0, &t1, &t2, &t3);
+ load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_u8_8x4(&t0, &t1, &t2, &t3);
tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -491,13 +443,13 @@
int width;
const uint8_t *s;
uint8x8_t t4, t5, t6, t7;
- int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
if (w == 4) {uint32x4_t d0415 = vdupq_n_u32(0);
uint32x4_t d2637 = vdupq_n_u32(0);
do {- load_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -507,7 +459,8 @@
s5 = vreinterpretq_s16_u16(vmovl_u8(t5));
s6 = vreinterpretq_s16_u16(vmovl_u8(t6));
- load_8x8(src + 7, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(src + 7, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6,
+ &t7);
src += 8 * src_stride;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
@@ -517,7 +470,7 @@
__builtin_prefetch(dst + 5 * dst_stride);
__builtin_prefetch(dst + 6 * dst_stride);
__builtin_prefetch(dst + 7 * dst_stride);
- transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ transpose_u8_4x8(&t0, &t1, &t2, &t3, t4, t5, t6, t7);
s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
s9 = vreinterpretq_s16_u16(vmovl_u8(t2));
@@ -531,19 +484,15 @@
__builtin_prefetch(src + 5 * src_stride);
__builtin_prefetch(src + 6 * src_stride);
__builtin_prefetch(src + 7 * src_stride);
- d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
+ t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
filter4);
- d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
+ t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
filter4);
- d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
+ t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
filter4);
- d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
+ t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
filter4);
- t0 = vqrshrun_n_s16(d0, 7);
- t1 = vqrshrun_n_s16(d1, 7);
- t2 = vqrshrun_n_s16(d2, 7);
- t3 = vqrshrun_n_s16(d3, 7);
transpose_u8_8x4(&t0, &t1, &t2, &t3);
d0415 = vld1q_lane_u32((uint32_t *)(dst + 0 * dst_stride), d0415, 0);
@@ -579,7 +528,7 @@
} while (h > 0);
} else {uint8_t *d;
- int16x8_t s11, s12, s13, s14, d4, d5, d6, d7;
+ int16x8_t s11, s12, s13, s14;
uint8x16_t d01, d23, d45, d67;
do {@@ -591,7 +540,7 @@
__builtin_prefetch(src + 5 * src_stride);
__builtin_prefetch(src + 6 * src_stride);
__builtin_prefetch(src + 7 * src_stride);
- load_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -614,7 +563,7 @@
__builtin_prefetch(dst + 7 * dst_stride);
do {- load_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
@@ -625,31 +574,23 @@
s13 = vreinterpretq_s16_u16(vmovl_u8(t6));
s14 = vreinterpretq_s16_u16(vmovl_u8(t7));
- d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
+ t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
filter4);
- d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
+ t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
filter4);
- d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
+ t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
filter4);
- d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
+ t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
filter4);
- d4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filters, filter3,
+ t4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filters, filter3,
filter4);
- d5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filters, filter3,
+ t5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filters, filter3,
filter4);
- d6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filters, filter3,
+ t6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filters, filter3,
filter4);
- d7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filters,
+ t7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filters,
filter3, filter4);
- t0 = vqrshrun_n_s16(d0, 7);
- t1 = vqrshrun_n_s16(d1, 7);
- t2 = vqrshrun_n_s16(d2, 7);
- t3 = vqrshrun_n_s16(d3, 7);
- t4 = vqrshrun_n_s16(d4, 7);
- t5 = vqrshrun_n_s16(d5, 7);
- t6 = vqrshrun_n_s16(d6, 7);
- t7 = vqrshrun_n_s16(d7, 7);
transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
d01 = vcombine_u8(vld1_u8(d + 0 * dst_stride),
@@ -665,9 +606,9 @@
d45 = vrhaddq_u8(d45, vcombine_u8(t4, t5));
d67 = vrhaddq_u8(d67, vcombine_u8(t6, t7));
- store_8x8(d, dst_stride, vget_low_u8(d01), vget_high_u8(d01),
- vget_low_u8(d23), vget_high_u8(d23), vget_low_u8(d45),
- vget_high_u8(d45), vget_low_u8(d67), vget_high_u8(d67));
+ store_u8_8x8(d, dst_stride, vget_low_u8(d01), vget_high_u8(d01),
+ vget_low_u8(d23), vget_high_u8(d23), vget_low_u8(d45),
+ vget_high_u8(d45), vget_low_u8(d67), vget_high_u8(d67));
s0 = s8;
s1 = s9;
@@ -779,7 +720,8 @@
int height;
const uint8_t *s;
uint8_t *d;
- int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3;
+ uint8x8_t t0, t1, t2, t3;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
do {__builtin_prefetch(src + 0 * src_stride);
@@ -825,22 +767,22 @@
__builtin_prefetch(s + 1 * src_stride);
__builtin_prefetch(s + 2 * src_stride);
__builtin_prefetch(s + 3 * src_stride);
- d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
+ t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
filter4);
- d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
+ t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
filter4);
- d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
+ t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
filter4);
- d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
+ t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
filter4);
- vst1_u8(d, vqrshrun_n_s16(d0, 7));
+ vst1_u8(d, t0);
d += dst_stride;
- vst1_u8(d, vqrshrun_n_s16(d1, 7));
+ vst1_u8(d, t1);
d += dst_stride;
- vst1_u8(d, vqrshrun_n_s16(d2, 7));
+ vst1_u8(d, t2);
d += dst_stride;
- vst1_u8(d, vqrshrun_n_s16(d3, 7));
+ vst1_u8(d, t3);
d += dst_stride;
s0 = s4;
@@ -959,8 +901,9 @@
int height;
const uint8_t *s;
uint8_t *d;
+ uint8x8_t t0, t1, t2, t3;
uint8x16_t d01, d23, dd01, dd23;
- int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
do {__builtin_prefetch(src + 0 * src_stride);
@@ -1006,17 +949,17 @@
__builtin_prefetch(s + 1 * src_stride);
__builtin_prefetch(s + 2 * src_stride);
__builtin_prefetch(s + 3 * src_stride);
- d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
+ t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, filter3,
filter4);
- d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
+ t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, filter3,
filter4);
- d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
+ t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, filter3,
filter4);
- d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
+ t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, filter3,
filter4);
- d01 = vcombine_u8(vqrshrun_n_s16(d0, 7), vqrshrun_n_s16(d1, 7));
- d23 = vcombine_u8(vqrshrun_n_s16(d2, 7), vqrshrun_n_s16(d3, 7));
+ d01 = vcombine_u8(t0, t1);
+ d23 = vcombine_u8(t2, t3);
dd01 = vcombine_u8(vld1_u8(d + 0 * dst_stride),
vld1_u8(d + 1 * dst_stride));
dd23 = vcombine_u8(vld1_u8(d + 2 * dst_stride),
--- /dev/null
+++ b/vpx_dsp/arm/vpx_convolve8_neon.h
@@ -1,0 +1,58 @@
+/*
+ * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <arm_neon.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+
+static INLINE void load_u8_8x8(const uint8_t *s, const ptrdiff_t p,
+ uint8x8_t *const s0, uint8x8_t *const s1,
+ uint8x8_t *const s2, uint8x8_t *const s3,
+ uint8x8_t *const s4, uint8x8_t *const s5,
+ uint8x8_t *const s6, uint8x8_t *const s7) {+ *s0 = vld1_u8(s);
+ s += p;
+ *s1 = vld1_u8(s);
+ s += p;
+ *s2 = vld1_u8(s);
+ s += p;
+ *s3 = vld1_u8(s);
+ s += p;
+ *s4 = vld1_u8(s);
+ s += p;
+ *s5 = vld1_u8(s);
+ s += p;
+ *s6 = vld1_u8(s);
+ s += p;
+ *s7 = vld1_u8(s);
+}
+
+static INLINE uint8x8_t convolve8_8(const int16x8_t s0, const int16x8_t s1,
+ const int16x8_t s2, const int16x8_t s3,
+ const int16x8_t s4, const int16x8_t s5,
+ const int16x8_t s6, const int16x8_t s7,
+ const int16x8_t filters,
+ const int16x8_t filter3,
+ const int16x8_t filter4) {+ const int16x4_t filters_lo = vget_low_s16(filters);
+ const int16x4_t filters_hi = vget_high_s16(filters);
+ int16x8_t sum;
+
+ sum = vmulq_lane_s16(s0, filters_lo, 0);
+ sum = vmlaq_lane_s16(sum, s1, filters_lo, 1);
+ sum = vmlaq_lane_s16(sum, s2, filters_lo, 2);
+ sum = vmlaq_lane_s16(sum, s5, filters_hi, 1);
+ sum = vmlaq_lane_s16(sum, s6, filters_hi, 2);
+ sum = vmlaq_lane_s16(sum, s7, filters_hi, 3);
+ sum = vqaddq_s16(sum, vmulq_s16(s3, filter3));
+ sum = vqaddq_s16(sum, vmulq_s16(s4, filter4));
+ return vqrshrun_n_s16(sum, 7);
+}
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -378,6 +378,7 @@
DSP_SRCS-$(HAVE_NEON) += arm/mem_neon.h
DSP_SRCS-$(HAVE_NEON) += arm/sum_neon.h
DSP_SRCS-$(HAVE_NEON) += arm/transpose_neon.h
+DSP_SRCS-$(HAVE_NEON) += arm/vpx_convolve8_neon.h
# PPC VSX utilities
DSP_SRCS-$(HAVE_VSX) += ppc/types_vsx.h
--
⑨