47 lines
1.5 KiB
ArmAsm
47 lines
1.5 KiB
ArmAsm
@/******************************************************************************
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@ *
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@ * Copyright (C) 2018 The Android Open Source Project
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@ *
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@ * Licensed under the Apache License, Version 2.0 (the "License");
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@ * you may not use this file except in compliance with the License.
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@ * You may obtain a copy of the License at:
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@ *
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@ * http://www.apache.org/licenses/LICENSE-2.0
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@ *
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@ * Unless required by applicable law or agreed to in writing, software
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@ * distributed under the License is distributed on an "AS IS" BASIS,
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@ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@ * See the License for the specific language governing permissions and
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@ * limitations under the License.
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@ *
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@ *****************************************************************************
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@ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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@*/
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.text
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.p2align 2
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.global ixheaacd_mps_mulshift
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ixheaacd_mps_mulshift:
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STMFD sp!, {R4-R12}
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VPUSH {d8 - d15}
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LOOP:
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VLD1.32 {Q0, Q1}, [R0]! @LOADING values from R0
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VLD1.32 {Q2, Q3}, [R1]! @LOADING values from R1
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VQDMULL.S32 Q4, D0, D4
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VQDMULL.S32 Q5, D2, D6
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VQDMULL.S32 Q6, D1, D5
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VQDMULL.S32 Q7, D3, D7
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VUZP.32 Q4, Q6
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VUZP.32 Q5, Q7
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VST1.32 {Q6, Q7}, [R2]! @Storing values to R2
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SUBS R3, R3, #8
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BGT LOOP
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VPOP {d8 - d15}
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LDMFD sp!, {R4-R12}
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BX LR
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