ref: 617382a2e3b4a8b053a8032a1a89be0dcf8e349c
parent: 10252275f8332dd003653fa7fa53fa134c3031bf
author: Scott LaVarnway <slavarnway@google.com>
date: Wed Sep 10 05:49:34 EDT 2014
VP9 common for ARMv8 by using NEON intrinsics 02 Add vp9_avg_neon.c - vp9_convolve_avg_neon Change-Id: Id2c9d5bcfa37cff1a16417aba1656ff07bdf10fd Signed-off-by: James Yu <james.yu@linaro.org>
--- a/test/convolve_test.cc
+++ b/test/convolve_test.cc
@@ -1758,6 +1758,7 @@
make_tuple(64, 64, &convolve8_avx2)));
#endif // HAVE_AVX2 && HAVE_SSSE3
+#if HAVE_NEON
#if HAVE_NEON_ASM
const ConvolveFunctions convolve8_neon(
vp9_convolve_copy_neon, vp9_convolve_avg_neon,
@@ -1764,6 +1765,13 @@
vp9_convolve8_horiz_neon, vp9_convolve8_avg_horiz_neon,
vp9_convolve8_vert_neon, vp9_convolve8_avg_vert_neon,
vp9_convolve8_neon, vp9_convolve8_avg_neon, 0);
+#else // HAVE_NEON
+const ConvolveFunctions convolve8_neon(
+ vp9_convolve_copy_c, vp9_convolve_avg_neon,
+ vp9_convolve8_horiz_c, vp9_convolve8_avg_horiz_c,
+ vp9_convolve8_vert_c, vp9_convolve8_avg_vert_c,
+ vp9_convolve8_c, vp9_convolve8_avg_c, 0);
+#endif // HAVE_NEON_ASM
INSTANTIATE_TEST_CASE_P(NEON, ConvolveTest, ::testing::Values(
make_tuple(4, 4, &convolve8_neon),
@@ -1779,7 +1787,7 @@
make_tuple(64, 32, &convolve8_neon),
make_tuple(32, 64, &convolve8_neon),
make_tuple(64, 64, &convolve8_neon)));
-#endif
+#endif // HAVE_NEON
#if HAVE_DSPR2
const ConvolveFunctions convolve8_dspr2(
--- a/vp9/common/arm/neon/vp9_avg_neon.asm
+++ /dev/null
@@ -1,116 +1,0 @@
-;
-; Copyright (c) 2013 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.
-;
-
- EXPORT |vp9_convolve_avg_neon|
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-|vp9_convolve_avg_neon| PROC
- push {r4-r6, lr}- ldrd r4, r5, [sp, #32]
- mov r6, r2
-
- cmp r4, #32
- bgt avg64
- beq avg32
- cmp r4, #8
- bgt avg16
- beq avg8
- b avg4
-
-avg64
- sub lr, r1, #32
- sub r4, r3, #32
-avg64_h
- pld [r0, r1, lsl #1]
- vld1.8 {q0-q1}, [r0]!- vld1.8 {q2-q3}, [r0], lr- pld [r2, r3]
- vld1.8 {q8-q9}, [r6@128]!- vld1.8 {q10-q11}, [r6@128], r4- vrhadd.u8 q0, q0, q8
- vrhadd.u8 q1, q1, q9
- vrhadd.u8 q2, q2, q10
- vrhadd.u8 q3, q3, q11
- vst1.8 {q0-q1}, [r2@128]!- vst1.8 {q2-q3}, [r2@128], r4- subs r5, r5, #1
- bgt avg64_h
- pop {r4-r6, pc}-
-avg32
- vld1.8 {q0-q1}, [r0], r1- vld1.8 {q2-q3}, [r0], r1- vld1.8 {q8-q9}, [r6@128], r3- vld1.8 {q10-q11}, [r6@128], r3- pld [r0]
- vrhadd.u8 q0, q0, q8
- pld [r0, r1]
- vrhadd.u8 q1, q1, q9
- pld [r6]
- vrhadd.u8 q2, q2, q10
- pld [r6, r3]
- vrhadd.u8 q3, q3, q11
- vst1.8 {q0-q1}, [r2@128], r3- vst1.8 {q2-q3}, [r2@128], r3- subs r5, r5, #2
- bgt avg32
- pop {r4-r6, pc}-
-avg16
- vld1.8 {q0}, [r0], r1- vld1.8 {q1}, [r0], r1- vld1.8 {q2}, [r6@128], r3- vld1.8 {q3}, [r6@128], r3- pld [r0]
- pld [r0, r1]
- vrhadd.u8 q0, q0, q2
- pld [r6]
- pld [r6, r3]
- vrhadd.u8 q1, q1, q3
- vst1.8 {q0}, [r2@128], r3- vst1.8 {q1}, [r2@128], r3- subs r5, r5, #2
- bgt avg16
- pop {r4-r6, pc}-
-avg8
- vld1.8 {d0}, [r0], r1- vld1.8 {d1}, [r0], r1- vld1.8 {d2}, [r6@64], r3- vld1.8 {d3}, [r6@64], r3- pld [r0]
- pld [r0, r1]
- vrhadd.u8 q0, q0, q1
- pld [r6]
- pld [r6, r3]
- vst1.8 {d0}, [r2@64], r3- vst1.8 {d1}, [r2@64], r3- subs r5, r5, #2
- bgt avg8
- pop {r4-r6, pc}-
-avg4
- vld1.32 {d0[0]}, [r0], r1- vld1.32 {d0[1]}, [r0], r1- vld1.32 {d2[0]}, [r6@32], r3- vld1.32 {d2[1]}, [r6@32], r3- vrhadd.u8 d0, d0, d2
- vst1.32 {d0[0]}, [r2@32], r3- vst1.32 {d0[1]}, [r2@32], r3- subs r5, r5, #2
- bgt avg4
- pop {r4-r6, pc}- ENDP
-
- END
--- /dev/null
+++ b/vp9/common/arm/neon/vp9_avg_neon.c
@@ -1,0 +1,145 @@
+/*
+ * 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 <stddef.h>
+#include <arm_neon.h>
+
+void vp9_convolve_avg_neon(
+ const uint8_t *src, // r0
+ ptrdiff_t src_stride, // r1
+ uint8_t *dst, // r2
+ ptrdiff_t dst_stride, // r3
+ const int16_t *filter_x,
+ int filter_x_stride,
+ const int16_t *filter_y,
+ int filter_y_stride,
+ int w,
+ int h) {+ uint8_t *d;
+ uint8x8_t d0u8, d1u8, d2u8, d3u8;
+ uint32x2_t d0u32, d2u32;
+ uint8x16_t q0u8, q1u8, q2u8, q3u8, q8u8, q9u8, q10u8, q11u8;
+ (void)filter_x; (void)filter_x_stride;
+ (void)filter_y; (void)filter_y_stride;
+
+ d = dst;
+ if (w > 32) { // avg64+ for (; h > 0; h -= 1) {+ q0u8 = vld1q_u8(src);
+ q1u8 = vld1q_u8(src + 16);
+ q2u8 = vld1q_u8(src + 32);
+ q3u8 = vld1q_u8(src + 48);
+ src += src_stride;
+ q8u8 = vld1q_u8(d);
+ q9u8 = vld1q_u8(d + 16);
+ q10u8 = vld1q_u8(d + 32);
+ q11u8 = vld1q_u8(d + 48);
+ d += dst_stride;
+
+ q0u8 = vrhaddq_u8(q0u8, q8u8);
+ q1u8 = vrhaddq_u8(q1u8, q9u8);
+ q2u8 = vrhaddq_u8(q2u8, q10u8);
+ q3u8 = vrhaddq_u8(q3u8, q11u8);
+
+ vst1q_u8(dst, q0u8);
+ vst1q_u8(dst + 16, q1u8);
+ vst1q_u8(dst + 32, q2u8);
+ vst1q_u8(dst + 48, q3u8);
+ dst += dst_stride;
+ }
+ } else if (w == 32) { // avg32+ for (; h > 0; h -= 2) {+ q0u8 = vld1q_u8(src);
+ q1u8 = vld1q_u8(src + 16);
+ src += src_stride;
+ q2u8 = vld1q_u8(src);
+ q3u8 = vld1q_u8(src + 16);
+ src += src_stride;
+ q8u8 = vld1q_u8(d);
+ q9u8 = vld1q_u8(d + 16);
+ d += dst_stride;
+ q10u8 = vld1q_u8(d);
+ q11u8 = vld1q_u8(d + 16);
+ d += dst_stride;
+
+ q0u8 = vrhaddq_u8(q0u8, q8u8);
+ q1u8 = vrhaddq_u8(q1u8, q9u8);
+ q2u8 = vrhaddq_u8(q2u8, q10u8);
+ q3u8 = vrhaddq_u8(q3u8, q11u8);
+
+ vst1q_u8(dst, q0u8);
+ vst1q_u8(dst + 16, q1u8);
+ dst += dst_stride;
+ vst1q_u8(dst, q2u8);
+ vst1q_u8(dst + 16, q3u8);
+ dst += dst_stride;
+ }
+ } else if (w > 8) { // avg16+ for (; h > 0; h -= 2) {+ q0u8 = vld1q_u8(src);
+ src += src_stride;
+ q1u8 = vld1q_u8(src);
+ src += src_stride;
+ q2u8 = vld1q_u8(d);
+ d += dst_stride;
+ q3u8 = vld1q_u8(d);
+ d += dst_stride;
+
+ q0u8 = vrhaddq_u8(q0u8, q2u8);
+ q1u8 = vrhaddq_u8(q1u8, q3u8);
+
+ vst1q_u8(dst, q0u8);
+ dst += dst_stride;
+ vst1q_u8(dst, q1u8);
+ dst += dst_stride;
+ }
+ } else if (w == 8) { // avg8+ for (; h > 0; h -= 2) {+ d0u8 = vld1_u8(src);
+ src += src_stride;
+ d1u8 = vld1_u8(src);
+ src += src_stride;
+ d2u8 = vld1_u8(d);
+ d += dst_stride;
+ d3u8 = vld1_u8(d);
+ d += dst_stride;
+
+ q0u8 = vcombine_u8(d0u8, d1u8);
+ q1u8 = vcombine_u8(d2u8, d3u8);
+ q0u8 = vrhaddq_u8(q0u8, q1u8);
+
+ vst1_u8(dst, vget_low_u8(q0u8));
+ dst += dst_stride;
+ vst1_u8(dst, vget_high_u8(q0u8));
+ dst += dst_stride;
+ }
+ } else { // avg4+ for (; h > 0; h -= 2) {+ d0u32 = vld1_lane_u32((const uint32_t *)src, d0u32, 0);
+ src += src_stride;
+ d0u32 = vld1_lane_u32((const uint32_t *)src, d0u32, 1);
+ src += src_stride;
+ d2u32 = vld1_lane_u32((const uint32_t *)d, d2u32, 0);
+ d += dst_stride;
+ d2u32 = vld1_lane_u32((const uint32_t *)d, d2u32, 1);
+ d += dst_stride;
+
+ d0u8 = vrhadd_u8(vreinterpret_u8_u32(d0u32),
+ vreinterpret_u8_u32(d2u32));
+
+ d0u32 = vreinterpret_u32_u8(d0u8);
+ vst1_lane_u32((uint32_t *)dst, d0u32, 0);
+ dst += dst_stride;
+ vst1_lane_u32((uint32_t *)dst, d0u32, 1);
+ dst += dst_stride;
+ }
+ }
+ return;
+}
--- /dev/null
+++ b/vp9/common/arm/neon/vp9_avg_neon_asm.asm
@@ -1,0 +1,116 @@
+;
+; Copyright (c) 2013 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.
+;
+
+ EXPORT |vp9_convolve_avg_neon|
+ ARM
+ REQUIRE8
+ PRESERVE8
+
+ AREA ||.text||, CODE, READONLY, ALIGN=2
+
+|vp9_convolve_avg_neon| PROC
+ push {r4-r6, lr}+ ldrd r4, r5, [sp, #32]
+ mov r6, r2
+
+ cmp r4, #32
+ bgt avg64
+ beq avg32
+ cmp r4, #8
+ bgt avg16
+ beq avg8
+ b avg4
+
+avg64
+ sub lr, r1, #32
+ sub r4, r3, #32
+avg64_h
+ pld [r0, r1, lsl #1]
+ vld1.8 {q0-q1}, [r0]!+ vld1.8 {q2-q3}, [r0], lr+ pld [r2, r3]
+ vld1.8 {q8-q9}, [r6@128]!+ vld1.8 {q10-q11}, [r6@128], r4+ vrhadd.u8 q0, q0, q8
+ vrhadd.u8 q1, q1, q9
+ vrhadd.u8 q2, q2, q10
+ vrhadd.u8 q3, q3, q11
+ vst1.8 {q0-q1}, [r2@128]!+ vst1.8 {q2-q3}, [r2@128], r4+ subs r5, r5, #1
+ bgt avg64_h
+ pop {r4-r6, pc}+
+avg32
+ vld1.8 {q0-q1}, [r0], r1+ vld1.8 {q2-q3}, [r0], r1+ vld1.8 {q8-q9}, [r6@128], r3+ vld1.8 {q10-q11}, [r6@128], r3+ pld [r0]
+ vrhadd.u8 q0, q0, q8
+ pld [r0, r1]
+ vrhadd.u8 q1, q1, q9
+ pld [r6]
+ vrhadd.u8 q2, q2, q10
+ pld [r6, r3]
+ vrhadd.u8 q3, q3, q11
+ vst1.8 {q0-q1}, [r2@128], r3+ vst1.8 {q2-q3}, [r2@128], r3+ subs r5, r5, #2
+ bgt avg32
+ pop {r4-r6, pc}+
+avg16
+ vld1.8 {q0}, [r0], r1+ vld1.8 {q1}, [r0], r1+ vld1.8 {q2}, [r6@128], r3+ vld1.8 {q3}, [r6@128], r3+ pld [r0]
+ pld [r0, r1]
+ vrhadd.u8 q0, q0, q2
+ pld [r6]
+ pld [r6, r3]
+ vrhadd.u8 q1, q1, q3
+ vst1.8 {q0}, [r2@128], r3+ vst1.8 {q1}, [r2@128], r3+ subs r5, r5, #2
+ bgt avg16
+ pop {r4-r6, pc}+
+avg8
+ vld1.8 {d0}, [r0], r1+ vld1.8 {d1}, [r0], r1+ vld1.8 {d2}, [r6@64], r3+ vld1.8 {d3}, [r6@64], r3+ pld [r0]
+ pld [r0, r1]
+ vrhadd.u8 q0, q0, q1
+ pld [r6]
+ pld [r6, r3]
+ vst1.8 {d0}, [r2@64], r3+ vst1.8 {d1}, [r2@64], r3+ subs r5, r5, #2
+ bgt avg8
+ pop {r4-r6, pc}+
+avg4
+ vld1.32 {d0[0]}, [r0], r1+ vld1.32 {d0[1]}, [r0], r1+ vld1.32 {d2[0]}, [r6@32], r3+ vld1.32 {d2[1]}, [r6@32], r3+ vrhadd.u8 d0, d0, d2
+ vst1.32 {d0[0]}, [r2@32], r3+ vst1.32 {d0[1]}, [r2@32], r3+ subs r5, r5, #2
+ bgt avg4
+ pop {r4-r6, pc}+ ENDP
+
+ END
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -293,8 +293,7 @@
$vp9_convolve_copy_neon_asm=vp9_convolve_copy_neon;
add_proto qw/void vp9_convolve_avg/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4, const int16_t *filter_y, int y_step_q4, int w, int h";
-specialize qw/vp9_convolve_avg neon_asm dspr2/, "$sse2_x86inc";
-$vp9_convolve_avg_neon_asm=vp9_convolve_avg_neon;
+specialize qw/vp9_convolve_avg neon dspr2/, "$sse2_x86inc";
add_proto qw/void vp9_convolve8/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4, const int16_t *filter_y, int y_step_q4, int w, int h";
specialize qw/vp9_convolve8 sse2 ssse3 neon_asm dspr2/, "$avx2_ssse3";
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -149,7 +149,6 @@
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_iht8x8_add_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_mb_lpf_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_copy_neon$(ASM)
-VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_avg_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_save_reg_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_reconintra_neon$(ASM)
@@ -156,10 +155,12 @@
# neon with assembly and intrinsics implementations. If both are available
# prefer assembly.
ifeq ($(HAVE_NEON_ASM), yes)
+VP9_COMMON_SRCS-yes += common/arm/neon/vp9_avg_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_16_neon.c
else
ifeq ($(HAVE_NEON), yes)
+VP9_COMMON_SRCS-yes += common/arm/neon/vp9_avg_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_16_neon.c
endif # HAVE_NEON
--
⑨