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Xiph.Org
aom-rav1e
Commits
c9b25dca
Commit
c9b25dca
authored
Jul 09, 2013
by
hkuang
Browse files
Add neon optimize vp9_dc_only_idct_add.
Change-Id: Iae84ab945cc9662a0ddd839aa2b9ca59f2ae5423
parent
5000cdf0
Changes
3
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Inline
Side-by-side
vp9/common/arm/neon/vp9_dc_only_idct_add_neon.asm
0 → 100644
View file @
c9b25dca
;
; Copyright (c) 2013 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
|
vp9_dc_only_idct_add_neon
|
ARM
REQUIRE8
PRESERVE8
AREA
||
.text
||
,
CODE
,
READONLY
,
AL
IGN
=
2
;void vp9_dc_only_idct_add_neon(int input_dc, uint8_t *pred_ptr,
; uint8_t *dst_ptr, int pitch, int stride)
;
; r0 int input_dc
; r1 uint8_t *pred_ptr
; r2 uint8_t *dst_ptr
; r3 int pitch
; sp int stride
|
vp9_dc_only_idct_add_neon
|
PROC
; generate cospi_16_64 = 11585
mov
r12
,
#
0x2d00
add
r12
,
#
0x41
; dct_const_round_shift(input_dc * cospi_16_64)
mul
r0
,
r0
,
r12
; input_dc * cospi_16_64
add
r0
,
r0
,
#
0x2000
; +(1 << ((DCT_CONST_BITS) - 1))
asr
r0
,
r0
,
#
14
; >> DCT_CONST_BITS
; dct_const_round_shift(out * cospi_16_64)
mul
r0
,
r0
,
r12
; out * cospi_16_64
add
r0
,
r0
,
#
0x2000
; +(1 << ((DCT_CONST_BITS) - 1))
asr
r0
,
r0
,
#
14
; >> DCT_CONST_BITS
; ROUND_POWER_OF_TWO(out, 4)
add
r0
,
r0
,
#
8
; + (1 <<((4) - 1))
asr
r0
,
r0
,
#
4
; >> 4
vdup.16
q0
,
r0
; ; duplicate a1
ldr
r12
,
[
sp
]
; load stride
vld1.32
{
d2
[
0
]
}
,
[
r1
],
r3
vld1.32
{
d2
[
1
]
}
,
[
r1
],
r3
vld1.32
{
d4
[
0
]
}
,
[
r1
],
r3
vld1.32
{
d4
[
1
]
}
,
[
r1
]
vaddw.u8
q1
,
q0
,
d2
; a1 + pred_ptr[c]
vaddw.u8
q2
,
q0
,
d4
vqmovun.s16
d2
,
q1
; clip_pixel
vqmovun.s16
d4
,
q2
vst1.32
{
d2
[
0
]
}
,
[
r2
],
r12
vst1.32
{
d2
[
1
]
}
,
[
r2
],
r12
vst1.32
{
d4
[
0
]
}
,
[
r2
],
r12
vst1.32
{
d4
[
1
]
}
,
[
r2
]
bx
lr
ENDP
; |vp9_dc_only_idct_add_neon|
END
vp9/common/vp9_rtcd_defs.sh
View file @
c9b25dca
...
...
@@ -338,7 +338,7 @@ specialize vp9_idct4_1d sse2
# dct and add
prototype void vp9_dc_only_idct_add
"int input_dc, uint8_t *pred_ptr, uint8_t *dst_ptr, int pitch, int stride"
specialize vp9_dc_only_idct_add sse2
specialize vp9_dc_only_idct_add sse2
neon
prototype void vp9_short_iwalsh4x4_1_add
"int16_t *input, uint8_t *dest, int dest_stride"
specialize vp9_short_iwalsh4x4_1_add
...
...
vp9/vp9_common.mk
View file @
c9b25dca
...
...
@@ -89,5 +89,6 @@ endif
VP9_COMMON_SRCS-$(HAVE_SSE2)
+=
common/x86/vp9_idct_intrin_sse2.c
VP9_COMMON_SRCS-$(HAVE_NEON)
+=
common/arm/neon/vp9_loopfilter_neon
$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON)
+=
common/arm/neon/vp9_dc_only_idct_add_neon
$(ASM)
$(eval
$(call
rtcd_h_template,vp9_rtcd,vp9/common/vp9_rtcd_defs.sh))
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