| @ * limitations under the License. |
| @ * |
| @ ***************************************************************************** |
| @ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| @*/ |
| |
| |
| .text |
| .p2align 2 |
| |
| .global ixheaacd_mps_synt_out_calc_armv7 |
| ixheaacd_mps_synt_out_calc_armv7: |
| |
| STMFD sp!, {r4-r12, r14} |
| VPUSH {D8-D15} |
| MOV R6, #3 |
| MUL R7, R0, R6 |
| ADD R4, R1, R0, LSL #2 |
| ADD R5, R2, R7, LSL #2 |
| MOV R6, #5 |
| LOOP1: |
| MOV R8, R0 |
| LOOP2: |
| VLD2.32 {D4, D5}, [R3]! |
| VLD1.32 {D0, D1}, [R2]! |
| VLD1.32 {D2, D3}, [R5]! |
| VLD2.32 {D6, D7}, [R3]! |
| |
| |
| VMULL.S32 Q4, D0, D4 |
| VMULL.S32 Q5, D1, D6 |
| VMULL.S32 Q6, D2, D5 |
| VMULL.S32 Q7, D3, D7 |
| VSHRN.S64 D8, Q4, #31 |
| VSHRN.S64 D9, Q5, #31 |
| VSHRN.S64 D12, Q6, #31 |
| VSHRN.S64 D13, Q7, #31 |
| |
| |
| SUBS R8, R8, #4 |
| VST1.32 {D8, D9}, [R1]! |
| VST1.32 {D12, D13}, [R4]! |
| BGT LOOP2 |
| SUBS R6, R6, #1 |
| ADD R1, R1, R0, LSL #2 |
| ADD R4, R4, R0, LSL #2 |
| ADD R2, R2, R7, LSL #2 |
| ADD R5, R5, R7, LSL #2 |
| BGT LOOP1 |
| VPOP {D8-D15} |
| LDMFD sp!, {r4-r12, r15} |
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