diff options
Diffstat (limited to 'media/libstagefright/codecs/aacenc/src/asm/ARMV5E/band_nrg_v5.s')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/src/asm/ARMV5E/band_nrg_v5.s | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/band_nrg_v5.s b/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/band_nrg_v5.s new file mode 100644 index 0000000..4789f6d --- /dev/null +++ b/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/band_nrg_v5.s @@ -0,0 +1,204 @@ +@/* +@ ** 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 |