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@/*
@ ** Copyright 2003-2010, VisualOn, Inc.
@ **
@ ** 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.
@ */
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ File: band_nrg_v5.s
@
@ Content: CalcBandEnergy and CalcBandEnergyMS function armv5 assemble
@
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
.section .text
.global CalcBandEnergy
CalcBandEnergy:
stmdb sp!, {r4 - r11, lr}
mov r2, r2, lsl #16
ldr r12, [r13, #36]
mov r9, #0
mov r5, r2, asr #16
mov r4, #0
cmp r5, #0
ble L212
L22:
mov r2, r4, lsl #1
ldrsh r10, [r1, r2]
add r11, r1, r2
ldrsh r2, [r11, #2]
mov r14, #0
cmp r10, r2
bge L28
L23:
ldr r11, [r0, +r10, lsl #2]
add r10, r10, #1
ldr r6, [r0, +r10, lsl #2]
smull r11, r7, r11, r11
add r10, r10, #1
smull r6, r8, r6, r6
ldr r11, [r0, +r10, lsl #2]
qadd r14, r14, r7
add r10, r10, #1
smull r11, r7, r11, r11
ldr r6, [r0, +r10, lsl #2]
qadd r14, r14, r8
smull r6, r8, r6, r6
add r10, r10, #1
qadd r14, r14, r7
cmp r10, r2
qadd r14, r14, r8
blt L23
L28:
qadd r14, r14, r14
str r14, [r3, +r4, lsl #2]
add r4, r4, #1
qadd r9, r9, r14
cmp r4, r5
blt L22
L212:
str r9, [r12, #0]
ldmia sp!, {r4 - r11, pc}
@ENDP ; |CalcBandEnergy|
.global CalcBandEnergyMS
CalcBandEnergyMS:
stmdb sp!, {r4 - r11, lr}
sub r13, r13, #24
mov r12, #0
mov r3, r3, lsl #16
mov r14, #0
mov r3, r3, asr #16
cmp r3, #0
mov r4, #0
ble L315
L32:
mov r5, r4, lsl #1
mov r6, #0
ldrsh r10, [r2, r5]
add r5, r2, r5
mov r7, #0
ldrsh r11, [r5, #2]
cmp r10, r11
bge L39
str r3, [r13, #4]
str r4, [r13, #8]
str r12, [r13, #12]
str r14, [r13, #16]
L33:
ldr r8, [r0, +r10, lsl #2]
ldr r9, [r1, +r10, lsl #2]
mov r8, r8, asr #1
add r10, r10, #1
mov r9, r9, asr #1
ldr r12, [r0, +r10, lsl #2]
add r5, r8, r9
ldr r14, [r1, +r10, lsl #2]
sub r8, r8, r9
smull r5, r3, r5, r5
mov r12, r12, asr #1
smull r8, r4, r8, r8
mov r14, r14, asr #1
qadd r6, r6, r3
add r5, r12, r14
qadd r7, r7, r4
sub r8, r12, r14
smull r5, r3, r5, r5
add r10, r10, #1
smull r8, r4, r8, r8
qadd r6, r6, r3
qadd r7, r7, r4
ldr r8, [r0, +r10, lsl #2]
ldr r9, [r1, +r10, lsl #2]
mov r8, r8, asr #1
add r10, r10, #1
mov r9, r9, asr #1
ldr r12, [r0, +r10, lsl #2]
add r5, r8, r9
ldr r14, [r1, +r10, lsl #2]
sub r8, r8, r9
smull r5, r3, r5, r5
mov r12, r12, asr #1
smull r8, r4, r8, r8
mov r14, r14, asr #1
qadd r6, r6, r3
add r5, r12, r14
qadd r7, r7, r4
sub r8, r12, r14
smull r5, r3, r5, r5
add r10, r10, #1
smull r8, r4, r8, r8
qadd r6, r6, r3
qadd r7, r7, r4
cmp r10, r11
blt L33
ldr r3, [r13, #4]
ldr r4, [r13, #8]
ldr r12, [r13, #12]
ldr r14, [r13, #16]
L39:
qadd r6, r6, r6
qadd r7, r7, r7
ldr r8, [r13, #60]
ldr r9, [r13, #68]
qadd r12, r12, r6
qadd r14, r14, r7
str r6, [r8, +r4, lsl #2]
str r7, [r9, +r4, lsl #2]
add r4, r4, #1
cmp r4, r3
blt L32
L315:
ldr r8, [r13, #64]
ldr r9, [r13, #72]
str r12, [r8, #0]
str r14, [r9, #0]
add r13, r13, #24
ldmia sp!, {r4 - r11, pc}
@ENDP ; |CalcBandEnergyMS|
.end
|
