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/*
* Copyright (C) 2007-2008 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/*
*
*/
.eabi_attribute 24, 1
.eabi_attribute 25, 1
.arm
.fpu neon
.text
.align 4
armVCM4P10_pIndexTable8x8:
.word OMX_VC_CHROMA_DC-(P0+8), OMX_VC_CHROMA_HOR-(P0+8)
.word OMX_VC_CHROMA_VERT-(P0+8), OMX_VC_CHROMA_PLANE-(P0+8)
armVCM4P10_MultiplierTableChroma8x8:
.hword 3, 2, 1,4
.hword -3,-2,-1,0
.hword 1, 2, 3,4
.global omxVCM4P10_PredictIntraChroma_8x8
.func omxVCM4P10_PredictIntraChroma_8x8
omxVCM4P10_PredictIntraChroma_8x8:
PUSH {r4-r10,lr}
VPUSH {d8-d15}
ADR r8, armVCM4P10_pIndexTable8x8
LDR r6,[sp,#0x68]
LDR r4,[sp,#0x60]
LDR r5,[sp,#0x64]
LDR r7,[sp,#0x6c]
LDR r8,[r8,r6,LSL #2]
P0: ADD pc,r8
OMX_VC_CHROMA_DC:
TST r7,#2
BEQ L0xe8
ADD r9,r0,r4
ADD r10,r4,r4
VLD1.8 {d1[0]},[r0],r10
VLD1.8 {d1[1]},[r9],r10
VLD1.8 {d1[2]},[r0],r10
VLD1.8 {d1[3]},[r9],r10
VLD1.8 {d1[4]},[r0],r10
VLD1.8 {d1[5]},[r9],r10
VLD1.8 {d1[6]},[r0],r10
VLD1.8 {d1[7]},[r9]
TST r7,#1
BEQ L0xcc
VLD1.8 {d0},[r1]
MOV r0,#0
VPADDL.U8 d2,d0
VPADDL.U16 d3,d2
VPADDL.U8 d2,d1
VPADDL.U16 d1,d2
VADD.I32 d2,d3,d1
VRSHR.U32 d2,d2,#3
VRSHR.U32 d3,d3,#2
VRSHR.U32 d1,d1,#2
VMOV.I8 d5,#0xc
VMOV.I8 d6,#0x4
VSHL.I64 d5,d5,#32
VSHR.U64 d6,d6,#32
VADD.I8 d6,d6,d5
VTBL.8 d0,{d2-d3},d5
VTBL.8 d4,{d1-d2},d6
L0x9c:
ADD r9,r3,r5
ADD r10,r5,r5
VST1.8 {d0},[r3],r10
VST1.8 {d0},[r9],r10
VST1.8 {d0},[r3],r10
VST1.8 {d0},[r9],r10
VST1.8 {d4},[r3],r10
VST1.8 {d4},[r9],r10
VST1.8 {d4},[r3],r10
VST1.8 {d4},[r9]
VPOP {d8-d15}
POP {r4-r10,pc}
L0xcc:
MOV r0,#0
VPADDL.U8 d2,d1
VPADDL.U16 d1,d2
VRSHR.U32 d1,d1,#2
VDUP.8 d0,d1[0]
VDUP.8 d4,d1[4]
B L0x9c
L0xe8:
TST r7,#1
BEQ L0x114
VLD1.8 {d0},[r1]
MOV r0,#0
VPADDL.U8 d2,d0
VPADDL.U16 d3,d2
VRSHR.U32 d3,d3,#2
VMOV.I8 d5,#0x4
VSHL.I64 d5,d5,#32
VTBL.8 d0,{d3},d5
B L0x11c
L0x114:
VMOV.I8 d0,#0x80
MOV r0,#0
L0x11c:
ADD r9,r3,r5
ADD r10,r5,r5
VST1.8 {d0},[r3],r10
VST1.8 {d0},[r9],r10
VST1.8 {d0},[r3],r10
VST1.8 {d0},[r9],r10
VST1.8 {d0},[r3],r10
VST1.8 {d0},[r9],r10
VST1.8 {d0},[r3],r10
VST1.8 {d0},[r9]
VPOP {d8-d15}
POP {r4-r10,pc}
OMX_VC_CHROMA_VERT:
VLD1.8 {d0},[r1]
MOV r0,#0
B L0x11c
OMX_VC_CHROMA_HOR:
ADD r9,r0,r4
ADD r10,r4,r4
VLD1.8 {d0[]},[r0],r10
VLD1.8 {d1[]},[r9],r10
VLD1.8 {d2[]},[r0],r10
VLD1.8 {d3[]},[r9],r10
VLD1.8 {d4[]},[r0],r10
VLD1.8 {d5[]},[r9],r10
VLD1.8 {d6[]},[r0],r10
VLD1.8 {d7[]},[r9]
B L0x28c
OMX_VC_CHROMA_PLANE:
ADD r9,r0,r4
ADD r10,r4,r4
VLD1.8 {d0},[r1]
VLD1.8 {d2[0]},[r2]
VLD1.8 {d1[0]},[r0],r10
VLD1.8 {d1[1]},[r9],r10
VLD1.8 {d1[2]},[r0],r10
VLD1.8 {d1[3]},[r9],r10
VLD1.8 {d1[4]},[r0],r10
VLD1.8 {d1[5]},[r9],r10
VLD1.8 {d1[6]},[r0],r10
VLD1.8 {d1[7]},[r9]
VREV64.8 d3,d0
VSUBL.U8 q3,d3,d2
VSHR.U64 d3,d3,#8
VSUBL.U8 q2,d3,d0
VREV64.8 d3,d1
VSUBL.U8 q7,d3,d2
VSHR.U64 d3,d3,#8
VSUBL.U8 q6,d3,d1
ADR r2, armVCM4P10_MultiplierTableChroma8x8
VSHL.I64 d4,d4,#16
VEXT.8 d9,d4,d6,#2
VLD1.16 {d10},[r2]!
VSHL.I64 d12,d12,#16
VEXT.8 d16,d12,d14,#2
VMUL.I16 d11,d9,d10
VMUL.I16 d3,d16,d10
VPADD.I16 d3,d11,d3
VPADDL.S16 d3,d3
VSHL.I32 d2,d3,#4
VADD.I32 d3,d3,d2
VLD1.16 {d10,d11},[r2]
VRSHR.S32 d3,d3,#5
VADDL.U8 q0,d0,d1
VDUP.16 q0,d1[3]
VSHL.I16 q0,q0,#4
VDUP.16 q2,d3[0]
VDUP.16 q3,d3[2]
VMUL.I16 q2,q2,q5
VMUL.I16 q3,q3,q5
VADD.I16 q2,q2,q0
VDUP.16 q0,d6[0]
VDUP.16 q1,d6[1]
VDUP.16 q4,d6[2]
VDUP.16 q5,d6[3]
VDUP.16 q6,d7[0]
VDUP.16 q7,d7[1]
VDUP.16 q8,d7[2]
VDUP.16 q9,d7[3]
VADD.I16 q0,q2,q0
VADD.I16 q1,q2,q1
VADD.I16 q4,q2,q4
VADD.I16 q5,q2,q5
VADD.I16 q6,q2,q6
VADD.I16 q7,q2,q7
VADD.I16 q8,q2,q8
VADD.I16 q9,q2,q9
VQRSHRUN.S16 d0,q0,#5
VQRSHRUN.S16 d1,q1,#5
VQRSHRUN.S16 d2,q4,#5
VQRSHRUN.S16 d3,q5,#5
VQRSHRUN.S16 d4,q6,#5
VQRSHRUN.S16 d5,q7,#5
VQRSHRUN.S16 d6,q8,#5
VQRSHRUN.S16 d7,q9,#5
L0x28c:
ADD r9,r3,r5
ADD r10,r5,r5
VST1.8 {d0},[r3],r10
VST1.8 {d1},[r9],r10
VST1.8 {d2},[r3],r10
VST1.8 {d3},[r9],r10
VST1.8 {d4},[r3],r10
VST1.8 {d5},[r9],r10
VST1.8 {d6},[r3],r10
VST1.8 {d7},[r9]
MOV r0,#0
VPOP {d8-d15}
POP {r4-r10,pc}
.endfunc
.end
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