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Merge "VP8 for ARMv8 by using NEON intrinsics 03"

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Johann 2014-02-26 12:27:36 -08:00 committed by Gerrit Code Review
commit 4e85ecbcd6
3 changed files with 43 additions and 55 deletions
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54
vp8/common/arm/neon/dc_only_idct_add_neon.asm
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@ -1,54 +0,0 @@
;
; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license and patent
; grant that can be found in the LICENSE file in the root of the source
; tree. All contributing project authors may be found in the AUTHORS
; file in the root of the source tree.
;
EXPORT |vp8_dc_only_idct_add_neon|
ARM
REQUIRE8
PRESERVE8
AREA ||.text||, CODE, READONLY, ALIGN=2
;void vp8_dc_only_idct_add_c(short input_dc, unsigned char *pred_ptr,
; int pred_stride, unsigned char *dst_ptr,
; int dst_stride)
; r0 input_dc
; r1 pred_ptr
; r2 pred_stride
; r3 dst_ptr
; sp dst_stride
|vp8_dc_only_idct_add_neon| PROC
add r0, r0, #4
asr r0, r0, #3
ldr r12, [sp]
vdup.16 q0, r0
vld1.32 {d2[0]}, [r1], r2
vld1.32 {d2[1]}, [r1], r2
vld1.32 {d4[0]}, [r1], r2
vld1.32 {d4[1]}, [r1]
vaddw.u8 q1, q0, d2
vaddw.u8 q2, q0, d4
vqmovun.s16 d2, q1
vqmovun.s16 d4, q2
vst1.32 {d2[0]}, [r3], r12
vst1.32 {d2[1]}, [r3], r12
vst1.32 {d4[0]}, [r3], r12
vst1.32 {d4[1]}, [r3]
bx lr
ENDP
END

42
vp8/common/arm/neon/dc_only_idct_add_neon.c Normal file
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@ -0,0 +1,42 @@
/*
* 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>
void vp8_dc_only_idct_add_neon(
int16_t input_dc,
unsigned char *pred_ptr,
int pred_stride,
unsigned char *dst_ptr,
int dst_stride) {
int i;
uint16_t a1 = ((input_dc + 4) >> 3);
uint32x2_t d2u32 = vdup_n_u32(0);
uint8x8_t d2u8;
uint16x8_t q1u16;
uint16x8_t qAdd;
qAdd = vdupq_n_u16(a1);
for (i = 0; i < 2; i++) {
d2u32 = vld1_lane_u32((const uint32_t *)pred_ptr, d2u32, 0);
pred_ptr += pred_stride;
d2u32 = vld1_lane_u32((const uint32_t *)pred_ptr, d2u32, 1);
pred_ptr += pred_stride;
q1u16 = vaddw_u8(qAdd, vreinterpret_u8_u32(d2u32));
d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q1u16));
vst1_lane_u32((uint32_t *)dst_ptr, vreinterpret_u32_u8(d2u8), 0);
dst_ptr += dst_stride;
vst1_lane_u32((uint32_t *)dst_ptr, vreinterpret_u32_u8(d2u8), 1);
dst_ptr += dst_stride;
}
}

2
vp8/vp8_common.mk
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@ -159,7 +159,6 @@ VP8_COMMON_SRCS-$(HAVE_MEDIA) += common/arm/armv6/vp8_variance_halfpixvar16x16_
VP8_COMMON_SRCS-$(HAVE_MEDIA) += common/arm/armv6/vp8_variance_halfpixvar16x16_hv_armv6$(ASM)
# common (neon)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/dc_only_idct_add_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/iwalsh_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfilter_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfiltersimplehorizontaledge_neon$(ASM)
@ -187,6 +186,7 @@ VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/vp8_subpixelvariance16x16s_neon
# common (neon intrinsics)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/bilinearpredict_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/copymem_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/dc_only_idct_add_neon.c
$(eval $(call rtcd_h_template,vp8_rtcd,vp8/common/rtcd_defs.sh))