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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
.global omxVCM4P10_DequantTransformResidualFromPairAndAdd
omxVCM4P10_DequantTransformResidualFromPairAndAdd:
PUSH {r4-r12,lr}
VPUSH {d8-d9}
SUB sp,sp,#0x20
ADD r4,sp,#0
LDR r5,[sp,#0x64]
MOV r7,r1
MOV r8,r2
MOV r9,r3
CMP r5,#0
BEQ L0x114
MOV r1,r4
BL armVCM4P10_UnpackBlock4x4 ;//
LDR r1,[sp,#0x60]
LDR r11, .LarmVCM4P10_QPModuloTable
P0: ADD r11, pc
LDR r10, .LarmVCM4P10_QPDivTable
P1: ADD r10, pc
LDR r2, .LarmVCM4P10_VMatrixU16
P2: ADD r2, pc
LDRSB r12,[r11,r1]
LDRSB lr,[r10,r1]
LDR r10, =0x3020504
LDR r1, =0x5040100
ADD r2,r2,r12
VDUP.32 d7,r1
VDUP.32 d9,r10
VDUP.16 d5,lr
VLD1.8 {d6},[r2]
VTBL.8 d8,{d6},d7
VTBL.8 d4,{d6},d9
CMP r8,#0
VLD1.16 {d0,d1,d2,d3},[r4]
VSHL.U16 d8,d8,d5
VSHL.U16 d4,d4,d5
BEQ L1
LDRSH r10,[r8,#0]
L1:
VMUL.I16 d0,d0,d8
VMUL.I16 d1,d1,d4
VMUL.I16 d2,d2,d8
VMUL.I16 d3,d3,d4
VMOVNE.16 d0[0],r10
VTRN.16 d0,d1
VTRN.16 d2,d3
VTRN.32 q0,q1
VMOV.I16 d4,#0
VADD.I16 d5,d0,d2
VSUB.I16 d6,d0,d2
VHADD.S16 d7,d1,d4
VHADD.S16 d8,d3,d4
VSUB.I16 d7,d7,d3
VADD.I16 d8,d1,d8
VADD.I16 d0,d5,d8
VADD.I16 d1,d6,d7
VSUB.I16 d2,d6,d7
VSUB.I16 d3,d5,d8
VTRN.16 d0,d1
VTRN.16 d2,d3
VTRN.32 q0,q1
VADD.I16 d5,d0,d2
VSUB.I16 d6,d0,d2
VHADD.S16 d7,d1,d4
VHADD.S16 d8,d3,d4
VSUB.I16 d7,d7,d3
VADD.I16 d8,d1,d8
VADD.I16 d0,d5,d8
VADD.I16 d1,d6,d7
VSUB.I16 d2,d6,d7
VSUB.I16 d3,d5,d8
VRSHR.S16 d0,d0,#6
VRSHR.S16 d1,d1,#6
VRSHR.S16 d2,d2,#6
VRSHR.S16 d3,d3,#6
B L0x130
L0x114:
LDRSH r10,[r8,#0]
ADD r10,r10,#0x20
ASR r10,r10,#6
VDUP.16 d0,r10
VDUP.16 d1,r10
VDUP.16 d2,r10
VDUP.16 d3,r10
L0x130:
LDR r1,[sp,#0x58]
LDR r10,[sp,#0x5c]
LDR r3,[r7],r1
LDR r5,[r7],r1
VMOV d4,r3,r5
LDR r3,[r7],r1
LDR r5,[r7,#0]
VMOV d5,r3,r5
VADDW.U8 q3,q0,d4
VADDW.U8 q4,q1,d5
VQMOVUN.S16 d0,q3
VQMOVUN.S16 d1,q4
VST1.32 {d0[0]},[r9],r10
VST1.32 {d0[1]},[r9],r10
VST1.32 {d1[0]},[r9],r10
VST1.32 {d1[1]},[r9]
MOV r0,#0
ADD sp,sp,#0x20
VPOP {d8-d9}
POP {r4-r12,pc}
.LarmVCM4P10_QPModuloTable:
.word armVCM4P10_QPModuloTable-(P0+8)
.LarmVCM4P10_QPDivTable:
.word armVCM4P10_QPDivTable-(P1+8)
.LarmVCM4P10_VMatrixU16:
.word armVCM4P10_VMatrixU16-(P2+8)
.end
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