1/* 2 * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 3 * 4 */ 5 6 .eabi_attribute 24, 1 7 .eabi_attribute 25, 1 8 9 .arm 10 .fpu neon 11 .text 12 13 .global armVCM4P10_InvTransformDequantLumaDC4x4 14 .func armVCM4P10_InvTransformDequantLumaDC4x4 15armVCM4P10_InvTransformDequantLumaDC4x4: 16 PUSH {r4-r6,lr} 17 VPUSH {d8-d13} 18 VLD4.16 {d0,d1,d2,d3},[r0] 19 LDR r2, =armVCM4P10_QPDivTable 20 LDR r3, =armVCM4P10_VMatrixQPModTable 21 VADD.I16 d4,d0,d1 22 VADD.I16 d5,d2,d3 23 VSUB.I16 d6,d0,d1 24 LDRSB r4,[r2,r1] 25 VSUB.I16 d7,d2,d3 26 LDRSB r5,[r3,r1] 27 VADD.I16 d0,d4,d5 28 VSUB.I16 d1,d4,d5 29 VSUB.I16 d2,d6,d7 30 LSL r5,r5,r4 31 VADD.I16 d3,d6,d7 32 VTRN.16 d0,d1 33 VTRN.16 d2,d3 34 VTRN.32 q0,q1 35 VADD.I16 d4,d0,d1 36 VADD.I16 d5,d2,d3 37 VSUB.I16 d6,d0,d1 38 VSUB.I16 d7,d2,d3 39 VADD.I16 d0,d4,d5 40 VSUB.I16 d1,d4,d5 41 VSUB.I16 d2,d6,d7 42 VADD.I16 d3,d6,d7 43 VDUP.16 d5,r5 44 VMOV.I32 q3,#0x2 45 VMOV.I32 q4,#0x2 46 VMOV.I32 q5,#0x2 47 VMOV.I32 q6,#0x2 48 VMLAL.S16 q3,d0,d5 49 VMLAL.S16 q4,d1,d5 50 VMLAL.S16 q5,d2,d5 51 VMLAL.S16 q6,d3,d5 52 VSHRN.I32 d0,q3,#2 53 VSHRN.I32 d1,q4,#2 54 VSHRN.I32 d2,q5,#2 55 VSHRN.I32 d3,q6,#2 56 VST1.16 {d0,d1,d2,d3},[r0] 57 VPOP {d8-d13} 58 POP {r4-r6,pc} 59 .endfunc 60 61.global omxVCM4P10_TransformDequantLumaDCFromPair 62.func omxVCM4P10_TransformDequantLumaDCFromPair 63omxVCM4P10_TransformDequantLumaDCFromPair: 64 PUSH {r4-r6,lr} 65 MOV r4,r1 66 MOV r5,r2 67 BL armVCM4P10_UnpackBlock4x4 68 MOV r0,r4 69 MOV r1,r5 70 BL armVCM4P10_InvTransformDequantLumaDC4x4 71 MOV r0,#0 72 POP {r4-r6,pc} 73 .endfunc 74 75 .end 76 77