| @/****************************************************************************** |
| @ * |
| @ * 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_covariance_matrix_calc_2_armv7 |
| ixheaacd_covariance_matrix_calc_2_armv7: |
| STMFD sp!, {r4-r12, r14} |
| |
| AUTO_CORR_LOOP: |
| |
| STR r0 , [sp, #-4]! |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| LDR r4 , [r1, #-4*128] |
| LDR r5 , [r1, #4*(64-128)] |
| LDR r6 , [r1] |
| LDR r7 , [r1, #4*64] |
| |
| MOV r4, r4, ASR #3 |
| MOV r5, r5, ASR #3 |
| MOV r6, r6, ASR #3 |
| MOV r7, r7, ASR #3 |
| |
| |
| SMULWT r8 , r6 , r4 |
| SMULWT r9 , r7 , r4 |
| SMULWT r10, r6 , r5 |
| SMLAWT r8 , r7 , r5, r8 |
| SMULWT r11, r4 , r4 |
| SUB r9 , r9 , r10 |
| SMLAWT r11, r5 , r5, r11 |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| MOV r10, r1 |
| ADD r12, r1, #64*4 |
| MOV r4 , r6 |
| MOV r5 , r7 |
| |
| SUB r14, r3 , #2 |
| MOVS r14, r14, LSR #1 |
| BEQ ENDLOOP2 |
| LOOP2: |
| LDR r6 , [r10, #4*128]! |
| LDR r7 , [r12, #4*128]! |
| |
| MOV r6, r6, ASR #3 |
| MOV r7, r7, ASR #3 |
| |
| SMLAWT r8 , r6 , r4, r8 |
| SMLAWT r9 , r7 , r4, r9 |
| SMLAWT r8 , r7 , r5, r8 |
| SMULWT r0 , r6 , r5 |
| SMLAWT r11, r4 , r4, r11 |
| SUB r9 , r9 , r0 |
| SMLAWT r11, r5 , r5, r11 |
| |
| LDR r4 , [r10, #4*128]! |
| LDR r5 , [r12, #4*128]! |
| |
| MOV r4, r4, ASR #3 |
| MOV r5, r5, ASR #3 |
| |
| SUBS r14, r14, #1 |
| |
| SMLAWT r8 , r4 , r6, r8 |
| SMLAWT r9 , r5 , r6, r9 |
| SMLAWT r8 , r5 , r7, r8 |
| SMULWT r0 , r4 , r7 |
| SMLAWT r11, r6 , r6, r11 |
| SUB r9 , r9 , r0 |
| SMLAWT r11, r7 , r7, r11 |
| |
| BNE LOOP2 |
| |
| ANDS r0, r3, #0x01 |
| BEQ ENDLOOP2 |
| ODDLOOP: |
| |
| LDR r6 , [r10, #4*128]! |
| LDR r7 , [r12, #4*128]! |
| |
| MOV r6, r6, ASR #3 |
| MOV r7, r7, ASR #3 |
| |
| SMLAWT r8 , r6 , r4, r8 |
| SMLAWT r9 , r7 , r4, r9 |
| SMLAWT r8 , r7 , r5, r8 |
| SMULWT r0 , r6 , r5 |
| SMLAWT r11, r4 , r4, r11 |
| SUB r9 , r9 , r0 |
| SMLAWT r11, r5 , r5, r11 |
| |
| |
| |
| ENDLOOP2: |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| MOV r12, r11 |
| LDR r6 , [r1, #-8*128] |
| LDR r7 , [r1, #4*64-8*128] |
| |
| MOV r6, r6, ASR #3 |
| MOV r7, r7, ASR #3 |
| |
| SMLAWT r12, r6 , r6, r12 |
| |
| SUB r10, r3, #2 |
| SMLAWT r12, r7 , r7, r12 |
| |
| |
| |
| |
| MOV r0, r10, LSL #(2+7) |
| ADD r0, r0, #0x100 |
| LDR r4 , [r1, r10, LSL #(2+7)] |
| LDR r5 , [r1, r0] |
| |
| MOV r4, r4, ASR #3 |
| MOV r5, r5, ASR #3 |
| |
| SMLAWT r11, r4, r4, r11 |
| LDR r0 , [sp], #4 |
| SMLAWT r11, r5, r5, r11 |
| |
| STR r12, [r0, #4] |
| STR r11, [r0] |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| MOV r11, r8 |
| LDR r12, [r1, #-4*128] |
| LDR r14, [r1, #4*(64-128)] |
| |
| MOV r12, r12, ASR #3 |
| MOV r14, r14, ASR #3 |
| |
| |
| SMLAWT r11, r12, r6, r11 |
| ADD r10, r10, #1 |
| |
| LDR r12, [r1, r10, LSL#(2+7)] |
| SMLAWT r11, r14, r7, r11 |
| |
| MOV r14, r10, LSL #(2+7) |
| ADD r14, r14, #0x100 |
| |
| |
| MOV r12, r12, ASR #3 |
| |
| LDR r14, [r1, r14] |
| |
| SMLAWT r8 , r12, r4, r8 |
| |
| MOV r14, r14, ASR #3 |
| MOV r10, r9 |
| |
| SMLAWT r8 , r14, r5, r8 |
| STR r11, [r0, #16] |
| STR r8 , [r0, #8] |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| SMLAWT r9 , r14, r4 , r9 |
| SMULWT r8 , r12, r5 |
| LDR r14, [r1, #4*(64-128)] |
| SUB r9 , r9 , r8 |
| |
| MOV r14, r14, ASR #3 |
| LDR r12, [r1, #-4*128] |
| SMLAWT r10, r14, r6 , r10 |
| |
| MOV r12, r12, ASR #3 |
| SMULWT r8 , r12, r7 |
| STR r9 , [r0, #20] |
| SUB r10, r10, r8 |
| STR r10, [r0, #28] |
| |
| |
| |
| |
| |
| |
| |
| |
| STR r1 , [sp, #-4]! |
| |
| STMFD sp!, {r0, r3} |
| MOVS r0 , r3 , LSR #2 |
| |
| MOV r12, #0 |
| MOV r3 , #0 |
| LDR r5 , [r1, #-8*128] |
| LDR r7 , [r1, #-4*128] |
| LDR r9 , [r1, #4*(64-256)] |
| LDR r11, [r1, #4*(64-128)] |
| |
| |
| |
| MOV r5, r5, ASR #3 |
| MOV r7, r7, ASR #3 |
| MOV r9, r9, ASR #3 |
| MOV r11, r11, ASR #3 |
| |
| |
| BEQ ENDLOOP3 |
| LOOP3: |
| |
| |
| |
| |
| |
| |
| LDR r4 , [r1], #4*128 |
| LDR r8 , [r1, #4*(64-128)] |
| |
| MOV r4, r4, ASR #3 |
| MOV r8, r8, ASR #3 |
| |
| SMLAWT r12, r4 , r5 , r12 |
| SMLAWT r12, r8 , r9 , r12 |
| SMULWT r14, r4 , r9 |
| SMLAWT r3 , r8 , r5 , r3 |
| |
| LDR r6 , [r1], #4*128 |
| SUB r3 , r3 , r14 |
| |
| |
| |
| |
| |
| |
| |
| |
| LDR r10, [r1, #4*(64-128)] |
| |
| MOV r6, r6, ASR #3 |
| MOV r10, r10, ASR #3 |
| |
| SMLAWT r12, r6 , r7 , r12 |
| SMLAWT r12, r10, r11, r12 |
| SMULWT r14, r6 , r11 |
| SMLAWT r3 , r10, r7 , r3 |
| |
| LDR r5 , [r1], #4*128 |
| SUB r3 , r3 , r14 |
| |
| |
| |
| |
| |
| |
| |
| |
| LDR r9 , [r1, #4*(64-128)] |
| |
| MOV r5, r5, ASR #3 |
| MOV r9, r9, ASR #3 |
| |
| SMLAWT r12, r5 , r4 , r12 |
| SMLAWT r12, r9 , r8 , r12 |
| SMULWT r14, r5 , r8 |
| SMLAWT r3 , r9 , r4 , r3 |
| |
| LDR r7 , [r1], #4*128 |
| SUB r3 , r3 , r14 |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| LDR r11, [r1, #4*(64-128)] |
| |
| MOV r7, r7, ASR #3 |
| MOV r11, r11, ASR #3 |
| |
| SMLAWT r12, r7 , r6 , r12 |
| SMLAWT r12, r11, r10, r12 |
| SMULWT r14, r7 , r10 |
| SMLAWT r3 , r11, r6 , r3 |
| |
| SUBS r0 , r0 , #1 |
| SUB r3 , r3 , r14 |
| |
| BNE LOOP3 |
| ENDLOOP3: |
| MOV r4 , r3 |
| LDMFD sp!, {r0, r3} |
| |
| ANDS r5 , r3 , #3 |
| BEQ ENDLOOP4 |
| |
| LOOP4: |
| LDR r6 , [r1, #-8*128] |
| LDR r10, [r1, #4*(64-256)] |
| |
| LDR r7 , [r1], #4*128 |
| LDR r11, [r1, #4*(64-128)] |
| |
| |
| MOV r6, r6, ASR #3 |
| MOV r7, r7, ASR #3 |
| MOV r10, r10, ASR #3 |
| MOV r11, r11, ASR #3 |
| |
| |
| SMLAWT r12, r7 , r6 , r12 |
| SMLAWT r12, r11, r10, r12 |
| SMULWT r14, r7 , r10 |
| SMLAWT r4 , r11, r6 , r4 |
| |
| SUBSNE r5 , r5 , #1 |
| |
| SUB r4 , r4 , r14 |
| |
| BNE LOOP4 |
| ENDLOOP4: |
| STR r12, [r0, #12] |
| STR r4 , [r0, #24] |
| LDR r1 , [sp], #4 |
| |
| SUBS R2, R2, #1 |
| |
| ADD r0, r0, #4*9 |
| |
| |
| ADD r1, r1, #4 |
| BGT AUTO_CORR_LOOP |
| |
| END_OF_AUT0: |
| |
| LDMFD sp!, {r4-r12, r15} |
| |
