blob: 4410dca1cce26d93192395ab171b404b1770d8e8 [file] [log] [blame]
@/******************************************************************************
@ *
@ * Copyright (C) 2018 The Android Open Source Project
@ *
@ * 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.
@ *
@ *****************************************************************************
@ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
@*/
.text
.p2align 2
.global ixheaacd_mps_mulshift
ixheaacd_mps_mulshift:
STMFD sp!, {R4-R12}
VPUSH {d8 - d15}
LOOP:
VLD1.32 {Q0, Q1}, [R0]! @LOADING values from R0
VLD1.32 {Q2, Q3}, [R1]! @LOADING values from R1
VQDMULL.S32 Q4, D0, D4
VQDMULL.S32 Q5, D2, D6
VQDMULL.S32 Q6, D1, D5
VQDMULL.S32 Q7, D3, D7
VUZP.32 Q4, Q6
VUZP.32 Q5, Q7
VST1.32 {Q6, Q7}, [R2]! @Storing values to R2
SUBS R3, R3, #8
BGT LOOP
VPOP {d8 - d15}
LDMFD sp!, {R4-R12}
BX LR