| @/****************************************************************************** |
| @ * |
| @ * 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 |
| |