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146 lines
3.1 KiB
146 lines
3.1 KiB
@/******************************************************************************
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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_postradixcompute2
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.type ixheaacd_postradixcompute2, %function
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ixheaacd_postradixcompute2:
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STMFD sp!, {r4-r12, r14}
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SUB sp, sp, #20
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STR r0, [sp, #16]
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ADD r4, r1, r3, lsl #1
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MOV r3, r3, asr #4
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STR r3, [sp, #4]
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MOV r5, #1
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STR r5, [sp]
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POSTRADIX2_START:
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LDR r14, [r2]
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LDMIA r1!, {r5-r12}
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ADD r0, r0, r14
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ADD r14, r5, r7
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SUB r5, r5, r7
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ADD r7, r9, r11
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SUB r9, r9, r11
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ADD r11, r6, r8
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SUB r6, r6, r8
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ADD r8, r10, r12
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SUB r10, r10, r12
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STR r14, [r0], #4
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STR r11, [r0], #32-4
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STR r7, [r0], #4
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STR r8, [r0], #(32+(32<<1))-4
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STR r5, [r0], #4
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STR r6, [r0], #32-4
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STR r9, [r0], #4
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STR r10, [r0], #0
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LDR r0, [sp, #16]
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LDR r14, [r2], #4
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LDMIA r4!, {r5-r12}
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ADD r0, r0, r14
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ADD r0, r0, #8
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ADD r14, r5, r7
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SUB r5, r5, r7
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ADD r7, r9, r11
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SUB r9, r9, r11
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ADD r11, r6, r8
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SUB r6, r6, r8
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ADD r8, r10, r12
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SUB r10, r10, r12
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STR r14, [r0], #4
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STR r11, [r0], #32-4
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STR r7, [r0], #4
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STR r8, [r0], #(32+(32<<1))-4
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STR r5, [r0], #4
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STR r6, [r0], #32-4
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STR r9, [r0], #4
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STR r10, [r0], #0
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SUBS r3, r3, #1
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LDR r0, [sp, #16]
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BGT POSTRADIX2_START
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LDR r0, [sp, #16]
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LDR r3, [sp, #4]
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LDR r6, [sp]
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ADD r1, r1, r3, lsl #5
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ADD r4, r4, r3, lsl #5
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SUBS r6, r6, #1
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STR r6, [sp]
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BPL POSTRADIX2_START
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ADD sp, sp, #20
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LDMFD sp!, {r4-r12, r15}
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