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.
113 lines
2.9 KiB
113 lines
2.9 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
|
|
@*/
|
|
|
|
|
|
.code 32
|
|
.eabi_attribute 24, 1 @Tag_ABI_align_needed
|
|
.eabi_attribute 25, 1 @Tag_ABI_align_preserved
|
|
.text
|
|
.p2align 2
|
|
.global ixheaacd_shiftrountine_with_rnd
|
|
.type ixheaacd_shiftrountine_with_rnd, %function
|
|
ixheaacd_shiftrountine_with_rnd:
|
|
STMFD sp!, {r4-r12, r14}
|
|
MOV r4, #0x1f
|
|
ADD r12, r2, r3, LSL #1
|
|
MOV r9, #0x8000
|
|
SUBS r3, r3, #1
|
|
BMI S_WITH_R_L6
|
|
|
|
S_WITH_R_L5:
|
|
LDR r5, [r1, r3, LSL #2]
|
|
LDR r7, [r0, r3, LSL #2]
|
|
LDR r14, [r0], #4
|
|
LDR r10, [r1], #4
|
|
|
|
ADD r6, r5, r7
|
|
SUB r5, r5, r7
|
|
ADD r7, r10, r14
|
|
SUB r4, r10, r14
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
MOVS r10, r4, ASR #0x15
|
|
CMNLT r10, #1
|
|
|
|
MOVLT r4, #0x80000000
|
|
MVNGT r4, #0x80000000
|
|
MOVEQ r4, r4, LSL #10
|
|
|
|
MOVS r10, r5, ASR #0x15
|
|
QADD r4, r4, r9
|
|
CMNLT r10, #1
|
|
MOV r4, r4, ASR #16
|
|
MOVLT r5, #0x80000000
|
|
MVNGT r5, #0x80000000
|
|
MOVEQ r5, r5, LSL #10
|
|
MOV r14, r3, lsl #1
|
|
|
|
|
|
MOVS r10, r6, ASR #0x15
|
|
QADD r5, r5, r9
|
|
CMNLT r10, #1
|
|
MOV r5, r5, ASR #16
|
|
MOVLT r6, #0x80000000
|
|
|
|
STRH r5, [r2, r14]
|
|
MVNGT r6, #0x80000000
|
|
MOVEQ r6, r6, LSL #10
|
|
|
|
MOVS r10, r7, ASR #0x15
|
|
QADD r6, r6, r9
|
|
CMNLT r10, #1
|
|
MOV r6, r6, ASR #16
|
|
MOVLT r7, #0x80000000
|
|
MVNGT r7, #0x80000000
|
|
MOVEQ r7, r7, LSL #10
|
|
|
|
QADD r7, r7, r9
|
|
STRH r4, [r2], #2
|
|
|
|
MOV r7, r7, ASR #16
|
|
|
|
|
|
STRH r7, [r12, r14]
|
|
SUBS r3, r3, #2
|
|
STRH r6, [r12], #2
|
|
BGE S_WITH_R_L5
|
|
S_WITH_R_L6:
|
|
LDMFD sp!, {r4-r12, r15}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|