You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.0 KiB
111 lines
3.0 KiB
@/******************************************************************************
|
|
@ *
|
|
@ * 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_neg_shift_spec_armv7
|
|
|
|
ixheaacd_neg_shift_spec_armv7:
|
|
STMFD sp!, {R4-R12, R14}
|
|
VPUSH {D8 - D15}
|
|
MOV R5, #448
|
|
SUB R6, R5, #1
|
|
MOV R6, R6, LSL #2
|
|
ADD R6, R6, R0
|
|
MOV R8, #-16
|
|
SUB R6, R6, #12
|
|
MOV R7, R3, LSL #1
|
|
VDUP.32 Q1, R2
|
|
MOV R4, #0x8000
|
|
VDUP.32 Q2, R4
|
|
|
|
VLD1.32 {D0, D1}, [R6], R8
|
|
VQNEG.S32 Q0, Q0
|
|
|
|
|
|
VLD1.32 {D6, D7}, [R6], R8
|
|
VQSHL.S32 Q15, Q0, Q1
|
|
VQADD.S32 Q14, Q15, Q2
|
|
VSHR.S32 Q13, Q14, #16
|
|
VREV64.32 Q13, Q13
|
|
SUB R5, R5, #8
|
|
|
|
VUZP.16 D27, D26
|
|
VQNEG.S32 Q3, Q3
|
|
|
|
|
|
LOOP_1:
|
|
|
|
|
|
VST1.16 D27[0], [R1], R7
|
|
VQSHL.S32 Q12, Q3, Q1
|
|
VLD1.32 {D0, D1}, [R6], R8
|
|
VST1.16 D27[1], [R1], R7
|
|
VQADD.S32 Q11, Q12, Q2
|
|
VST1.16 D27[2], [R1], R7
|
|
VQNEG.S32 Q0, Q0
|
|
VST1.16 D27[3], [R1], R7
|
|
VSHR.S32 Q10, Q11, #16
|
|
VREV64.32 Q10, Q10
|
|
SUBS R5, R5, #8
|
|
|
|
|
|
VUZP.16 D21, D20
|
|
VQSHL.S32 Q15, Q0, Q1
|
|
VST1.16 D21[0], [R1], R7
|
|
VLD1.32 {D6, D7}, [R6], R8
|
|
VQADD.S32 Q14, Q15, Q2
|
|
VST1.16 D21[1], [R1], R7
|
|
VSHR.S32 Q13, Q14, #16
|
|
VST1.16 D21[2], [R1], R7
|
|
VREV64.32 Q13, Q13
|
|
VST1.16 D21[3], [R1], R7
|
|
|
|
|
|
VUZP.16 D27, D26
|
|
VQNEG.S32 Q3, Q3
|
|
|
|
|
|
|
|
BGT LOOP_1
|
|
|
|
VST1.16 D27[0], [R1], R7
|
|
VQSHL.S32 Q12, Q3, Q1
|
|
VST1.16 D27[1], [R1], R7
|
|
VST1.16 D27[2], [R1], R7
|
|
VQADD.S32 Q11, Q12, Q2
|
|
VST1.16 D27[3], [R1], R7
|
|
VSHR.S32 Q10, Q11, #16
|
|
|
|
|
|
VREV64.32 Q10, Q10
|
|
|
|
VUZP.16 D21, D20
|
|
|
|
VST1.16 D21[0], [R1], R7
|
|
VST1.16 D21[1], [R1], R7
|
|
VST1.16 D21[2], [R1], R7
|
|
VST1.16 D21[3], [R1], R7
|
|
VPOP {D8 - D15}
|
|
LDMFD sp!, {R4-R12, R15}
|
|
.end
|
|
|