1233d2500723e5594f3e7c70896ffeeef32b9c950ywan; 2233d2500723e5594f3e7c70896ffeeef32b9c950ywan; Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3233d2500723e5594f3e7c70896ffeeef32b9c950ywan; 4233d2500723e5594f3e7c70896ffeeef32b9c950ywan; Use of this source code is governed by a BSD-style license 5233d2500723e5594f3e7c70896ffeeef32b9c950ywan; that can be found in the LICENSE file in the root of the source 6233d2500723e5594f3e7c70896ffeeef32b9c950ywan; tree. An additional intellectual property rights grant can be found 7233d2500723e5594f3e7c70896ffeeef32b9c950ywan; in the file PATENTS. All contributing project authors may 8233d2500723e5594f3e7c70896ffeeef32b9c950ywan; be found in the AUTHORS file in the root of the source tree. 9233d2500723e5594f3e7c70896ffeeef32b9c950ywan; 10233d2500723e5594f3e7c70896ffeeef32b9c950ywan 11233d2500723e5594f3e7c70896ffeeef32b9c950ywan 12233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPORT |vp8_build_intra_predictors_mby_neon_func| 13233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPORT |vp8_build_intra_predictors_mby_s_neon_func| 14233d2500723e5594f3e7c70896ffeeef32b9c950ywan 15233d2500723e5594f3e7c70896ffeeef32b9c950ywan ARM 16233d2500723e5594f3e7c70896ffeeef32b9c950ywan REQUIRE8 17233d2500723e5594f3e7c70896ffeeef32b9c950ywan PRESERVE8 18233d2500723e5594f3e7c70896ffeeef32b9c950ywan 19233d2500723e5594f3e7c70896ffeeef32b9c950ywan AREA ||.text||, CODE, READONLY, ALIGN=2 20233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r0 unsigned char *y_buffer 21233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r1 unsigned char *ypred_ptr 22233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r2 int y_stride 23233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r3 int mode 24233d2500723e5594f3e7c70896ffeeef32b9c950ywan; stack int Up 25233d2500723e5594f3e7c70896ffeeef32b9c950ywan; stack int Left 26233d2500723e5594f3e7c70896ffeeef32b9c950ywan 27233d2500723e5594f3e7c70896ffeeef32b9c950ywan|vp8_build_intra_predictors_mby_neon_func| PROC 28233d2500723e5594f3e7c70896ffeeef32b9c950ywan push {r4-r8, lr} 29233d2500723e5594f3e7c70896ffeeef32b9c950ywan 30233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #0 31233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_dc_pred 32233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #1 33233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_v_pred 34233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #2 35233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_h_pred 36233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #3 37233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_tm_pred 38233d2500723e5594f3e7c70896ffeeef32b9c950ywan 39233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_dc_pred 40233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldr r4, [sp, #24] ; Up 41233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldr r5, [sp, #28] ; Left 42233d2500723e5594f3e7c70896ffeeef32b9c950ywan 43233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Default the DC average to 128 44233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r12, #128 45233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r12 46233d2500723e5594f3e7c70896ffeeef32b9c950ywan 47233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Zero out running sum 48233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r12, #0 49233d2500723e5594f3e7c70896ffeeef32b9c950ywan 50233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; compute shift and jump 51233d2500723e5594f3e7c70896ffeeef32b9c950ywan adds r7, r4, r5 52233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq skip_dc_pred_up_left 53233d2500723e5594f3e7c70896ffeeef32b9c950ywan 54233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load above row, if it exists 55233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r4, #0 56233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq skip_dc_pred_up 57233d2500723e5594f3e7c70896ffeeef32b9c950ywan 58233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r6, r0, r2 59233d2500723e5594f3e7c70896ffeeef32b9c950ywan vld1.8 {q1}, [r6] 60233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpaddl.u8 q2, q1 61233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpaddl.u16 q3, q2 62233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpaddl.u32 q4, q3 63233d2500723e5594f3e7c70896ffeeef32b9c950ywan 64233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmov.32 r4, d8[0] 65233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmov.32 r6, d9[0] 66233d2500723e5594f3e7c70896ffeeef32b9c950ywan 67233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r4, r6 68233d2500723e5594f3e7c70896ffeeef32b9c950ywan 69233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Move back to interger registers 70233d2500723e5594f3e7c70896ffeeef32b9c950ywan 71233d2500723e5594f3e7c70896ffeeef32b9c950ywanskip_dc_pred_up 72233d2500723e5594f3e7c70896ffeeef32b9c950ywan 73233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r5, #0 74233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq skip_dc_pred_left 75233d2500723e5594f3e7c70896ffeeef32b9c950ywan 76233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r0, r0, #1 77233d2500723e5594f3e7c70896ffeeef32b9c950ywan 78233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load left row, if it exists 79233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 80233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 81233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 82233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 83233d2500723e5594f3e7c70896ffeeef32b9c950ywan 84233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 85233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 86233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 87233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 88233d2500723e5594f3e7c70896ffeeef32b9c950ywan 89233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 90233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 91233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 92233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 93233d2500723e5594f3e7c70896ffeeef32b9c950ywan 94233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 95233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 96233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 97233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 98233d2500723e5594f3e7c70896ffeeef32b9c950ywan 99233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 100233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 101233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 102233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 103233d2500723e5594f3e7c70896ffeeef32b9c950ywan 104233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 105233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 106233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 107233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 108233d2500723e5594f3e7c70896ffeeef32b9c950ywan 109233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 110233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 111233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 112233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0] 113233d2500723e5594f3e7c70896ffeeef32b9c950ywan 114233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 115233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 116233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 117233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 118233d2500723e5594f3e7c70896ffeeef32b9c950ywan 119233d2500723e5594f3e7c70896ffeeef32b9c950ywanskip_dc_pred_left 120233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r7, r7, #3 ; Shift 121233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r4, r7, #1 122233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r5, #1 123233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5, lsl r4 124233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r5, r12, lsr r7 ; expected_dc 125233d2500723e5594f3e7c70896ffeeef32b9c950ywan 126233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r5 127233d2500723e5594f3e7c70896ffeeef32b9c950ywan 128233d2500723e5594f3e7c70896ffeeef32b9c950ywanskip_dc_pred_up_left 129233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 130233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 131233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 132233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 133233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 134233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 135233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 136233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 137233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 138233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 139233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 140233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 141233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 142233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 143233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 144233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 145233d2500723e5594f3e7c70896ffeeef32b9c950ywan 146233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 147233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_v_pred 148233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Copy down above row 149233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r6, r0, r2 150233d2500723e5594f3e7c70896ffeeef32b9c950ywan vld1.8 {q0}, [r6] 151233d2500723e5594f3e7c70896ffeeef32b9c950ywan 152233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 153233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 154233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 155233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 156233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 157233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 158233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 159233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 160233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 161233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 162233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 163233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 164233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 165233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 166233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 167233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 168233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 169233d2500723e5594f3e7c70896ffeeef32b9c950ywan 170233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_h_pred 171233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load 4x yleft_col 172233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r0, r0, #1 173233d2500723e5594f3e7c70896ffeeef32b9c950ywan 174233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 175233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 176233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 177233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 178233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 179233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 180233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 181233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 182233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 183233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1]! 184233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1]! 185233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1]! 186233d2500723e5594f3e7c70896ffeeef32b9c950ywan 187233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 188233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 189233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 190233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 191233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 192233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 193233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 194233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 195233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 196233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1]! 197233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1]! 198233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1]! 199233d2500723e5594f3e7c70896ffeeef32b9c950ywan 200233d2500723e5594f3e7c70896ffeeef32b9c950ywan 201233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 202233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 203233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 204233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 205233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 206233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 207233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 208233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 209233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 210233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1]! 211233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1]! 212233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1]! 213233d2500723e5594f3e7c70896ffeeef32b9c950ywan 214233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 215233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 216233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 217233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 218233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 219233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 220233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 221233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 222233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 223233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1]! 224233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1]! 225233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1]! 226233d2500723e5594f3e7c70896ffeeef32b9c950ywan 227233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 228233d2500723e5594f3e7c70896ffeeef32b9c950ywan 229233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_tm_pred 230233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load yabove_row 231233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r3, r0, r2 232233d2500723e5594f3e7c70896ffeeef32b9c950ywan vld1.8 {q8}, [r3] 233233d2500723e5594f3e7c70896ffeeef32b9c950ywan 234233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load ytop_left 235233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r3, r3, #1 236233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r7, [r3] 237233d2500723e5594f3e7c70896ffeeef32b9c950ywan 238233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q7, r7 239233d2500723e5594f3e7c70896ffeeef32b9c950ywan 240233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Compute yabove_row - ytop_left 241233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r3, #1 242233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 243233d2500723e5594f3e7c70896ffeeef32b9c950ywan 244233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmull.u8 q4, d16, d0 245233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmull.u8 q5, d17, d0 246233d2500723e5594f3e7c70896ffeeef32b9c950ywan 247233d2500723e5594f3e7c70896ffeeef32b9c950ywan vsub.s16 q4, q4, q7 248233d2500723e5594f3e7c70896ffeeef32b9c950ywan vsub.s16 q5, q5, q7 249233d2500723e5594f3e7c70896ffeeef32b9c950ywan 250233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load 4x yleft_col 251233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r0, r0, #1 252233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r12, #4 253233d2500723e5594f3e7c70896ffeeef32b9c950ywan 254233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_tm_pred_loop 255233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 256233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 257233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 258233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 259233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q0, r3 260233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q1, r4 261233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q2, r5 262233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q3, r6 263233d2500723e5594f3e7c70896ffeeef32b9c950ywan 264233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q8, q0, q4 265233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q9, q0, q5 266233d2500723e5594f3e7c70896ffeeef32b9c950ywan 267233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q10, q1, q4 268233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q11, q1, q5 269233d2500723e5594f3e7c70896ffeeef32b9c950ywan 270233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q12, q2, q4 271233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q13, q2, q5 272233d2500723e5594f3e7c70896ffeeef32b9c950ywan 273233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q14, q3, q4 274233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q15, q3, q5 275233d2500723e5594f3e7c70896ffeeef32b9c950ywan 276233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d0, q8, #0 277233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d1, q9, #0 278233d2500723e5594f3e7c70896ffeeef32b9c950ywan 279233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d2, q10, #0 280233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d3, q11, #0 281233d2500723e5594f3e7c70896ffeeef32b9c950ywan 282233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d4, q12, #0 283233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d5, q13, #0 284233d2500723e5594f3e7c70896ffeeef32b9c950ywan 285233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d6, q14, #0 286233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d7, q15, #0 287233d2500723e5594f3e7c70896ffeeef32b9c950ywan 288233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1]! 289233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1]! 290233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1]! 291233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1]! 292233d2500723e5594f3e7c70896ffeeef32b9c950ywan 293233d2500723e5594f3e7c70896ffeeef32b9c950ywan subs r12, r12, #1 294233d2500723e5594f3e7c70896ffeeef32b9c950ywan bne case_tm_pred_loop 295233d2500723e5594f3e7c70896ffeeef32b9c950ywan 296233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 297233d2500723e5594f3e7c70896ffeeef32b9c950ywan 298233d2500723e5594f3e7c70896ffeeef32b9c950ywan ENDP 299233d2500723e5594f3e7c70896ffeeef32b9c950ywan 300233d2500723e5594f3e7c70896ffeeef32b9c950ywan;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 301233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r0 unsigned char *y_buffer 302233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r1 unsigned char *ypred_ptr 303233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r2 int y_stride 304233d2500723e5594f3e7c70896ffeeef32b9c950ywan; r3 int mode 305233d2500723e5594f3e7c70896ffeeef32b9c950ywan; stack int Up 306233d2500723e5594f3e7c70896ffeeef32b9c950ywan; stack int Left 307233d2500723e5594f3e7c70896ffeeef32b9c950ywan 308233d2500723e5594f3e7c70896ffeeef32b9c950ywan|vp8_build_intra_predictors_mby_s_neon_func| PROC 309233d2500723e5594f3e7c70896ffeeef32b9c950ywan push {r4-r8, lr} 310233d2500723e5594f3e7c70896ffeeef32b9c950ywan 311233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r1, r0 ; unsigned char *ypred_ptr = x->dst.y_buffer; //x->Predictor; 312233d2500723e5594f3e7c70896ffeeef32b9c950ywan 313233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #0 314233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_dc_pred_s 315233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #1 316233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_v_pred_s 317233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #2 318233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_h_pred_s 319233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r3, #3 320233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq case_tm_pred_s 321233d2500723e5594f3e7c70896ffeeef32b9c950ywan 322233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_dc_pred_s 323233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldr r4, [sp, #24] ; Up 324233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldr r5, [sp, #28] ; Left 325233d2500723e5594f3e7c70896ffeeef32b9c950ywan 326233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Default the DC average to 128 327233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r12, #128 328233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r12 329233d2500723e5594f3e7c70896ffeeef32b9c950ywan 330233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Zero out running sum 331233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r12, #0 332233d2500723e5594f3e7c70896ffeeef32b9c950ywan 333233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; compute shift and jump 334233d2500723e5594f3e7c70896ffeeef32b9c950ywan adds r7, r4, r5 335233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq skip_dc_pred_up_left_s 336233d2500723e5594f3e7c70896ffeeef32b9c950ywan 337233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load above row, if it exists 338233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r4, #0 339233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq skip_dc_pred_up_s 340233d2500723e5594f3e7c70896ffeeef32b9c950ywan 341233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r6, r0, r2 342233d2500723e5594f3e7c70896ffeeef32b9c950ywan vld1.8 {q1}, [r6] 343233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpaddl.u8 q2, q1 344233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpaddl.u16 q3, q2 345233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpaddl.u32 q4, q3 346233d2500723e5594f3e7c70896ffeeef32b9c950ywan 347233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmov.32 r4, d8[0] 348233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmov.32 r6, d9[0] 349233d2500723e5594f3e7c70896ffeeef32b9c950ywan 350233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r4, r6 351233d2500723e5594f3e7c70896ffeeef32b9c950ywan 352233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Move back to interger registers 353233d2500723e5594f3e7c70896ffeeef32b9c950ywan 354233d2500723e5594f3e7c70896ffeeef32b9c950ywanskip_dc_pred_up_s 355233d2500723e5594f3e7c70896ffeeef32b9c950ywan 356233d2500723e5594f3e7c70896ffeeef32b9c950ywan cmp r5, #0 357233d2500723e5594f3e7c70896ffeeef32b9c950ywan beq skip_dc_pred_left_s 358233d2500723e5594f3e7c70896ffeeef32b9c950ywan 359233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r0, r0, #1 360233d2500723e5594f3e7c70896ffeeef32b9c950ywan 361233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load left row, if it exists 362233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 363233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 364233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 365233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 366233d2500723e5594f3e7c70896ffeeef32b9c950ywan 367233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 368233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 369233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 370233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 371233d2500723e5594f3e7c70896ffeeef32b9c950ywan 372233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 373233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 374233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 375233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 376233d2500723e5594f3e7c70896ffeeef32b9c950ywan 377233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 378233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 379233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 380233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 381233d2500723e5594f3e7c70896ffeeef32b9c950ywan 382233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 383233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 384233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 385233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 386233d2500723e5594f3e7c70896ffeeef32b9c950ywan 387233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 388233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 389233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 390233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 391233d2500723e5594f3e7c70896ffeeef32b9c950ywan 392233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 393233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 394233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 395233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0] 396233d2500723e5594f3e7c70896ffeeef32b9c950ywan 397233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r3 398233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r4 399233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5 400233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r6 401233d2500723e5594f3e7c70896ffeeef32b9c950ywan 402233d2500723e5594f3e7c70896ffeeef32b9c950ywanskip_dc_pred_left_s 403233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r7, r7, #3 ; Shift 404233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r4, r7, #1 405233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r5, #1 406233d2500723e5594f3e7c70896ffeeef32b9c950ywan add r12, r12, r5, lsl r4 407233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r5, r12, lsr r7 ; expected_dc 408233d2500723e5594f3e7c70896ffeeef32b9c950ywan 409233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r5 410233d2500723e5594f3e7c70896ffeeef32b9c950ywan 411233d2500723e5594f3e7c70896ffeeef32b9c950ywanskip_dc_pred_up_left_s 412233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 413233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 414233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 415233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 416233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 417233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 418233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 419233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 420233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 421233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 422233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 423233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 424233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 425233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 426233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 427233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 428233d2500723e5594f3e7c70896ffeeef32b9c950ywan 429233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 430233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_v_pred_s 431233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Copy down above row 432233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r6, r0, r2 433233d2500723e5594f3e7c70896ffeeef32b9c950ywan vld1.8 {q0}, [r6] 434233d2500723e5594f3e7c70896ffeeef32b9c950ywan 435233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 436233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 437233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 438233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 439233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 440233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 441233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 442233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 443233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 444233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 445233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 446233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 447233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 448233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 449233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 450233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 451233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 452233d2500723e5594f3e7c70896ffeeef32b9c950ywan 453233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_h_pred_s 454233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load 4x yleft_col 455233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r0, r0, #1 456233d2500723e5594f3e7c70896ffeeef32b9c950ywan 457233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 458233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 459233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 460233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 461233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 462233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 463233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 464233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 465233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 466233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1], r2 467233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1], r2 468233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1], r2 469233d2500723e5594f3e7c70896ffeeef32b9c950ywan 470233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 471233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 472233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 473233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 474233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 475233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 476233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 477233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 478233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 479233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1], r2 480233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1], r2 481233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1], r2 482233d2500723e5594f3e7c70896ffeeef32b9c950ywan 483233d2500723e5594f3e7c70896ffeeef32b9c950ywan 484233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 485233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 486233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 487233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 488233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 489233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 490233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 491233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 492233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 493233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1], r2 494233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1], r2 495233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1], r2 496233d2500723e5594f3e7c70896ffeeef32b9c950ywan 497233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 498233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 499233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 500233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 501233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 502233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q1, r4 503233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q2, r5 504233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q3, r6 505233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 506233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1], r2 507233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1], r2 508233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1], r2 509233d2500723e5594f3e7c70896ffeeef32b9c950ywan 510233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 511233d2500723e5594f3e7c70896ffeeef32b9c950ywan 512233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_tm_pred_s 513233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load yabove_row 514233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r3, r0, r2 515233d2500723e5594f3e7c70896ffeeef32b9c950ywan vld1.8 {q8}, [r3] 516233d2500723e5594f3e7c70896ffeeef32b9c950ywan 517233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load ytop_left 518233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r3, r3, #1 519233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r7, [r3] 520233d2500723e5594f3e7c70896ffeeef32b9c950ywan 521233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q7, r7 522233d2500723e5594f3e7c70896ffeeef32b9c950ywan 523233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Compute yabove_row - ytop_left 524233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r3, #1 525233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u8 q0, r3 526233d2500723e5594f3e7c70896ffeeef32b9c950ywan 527233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmull.u8 q4, d16, d0 528233d2500723e5594f3e7c70896ffeeef32b9c950ywan vmull.u8 q5, d17, d0 529233d2500723e5594f3e7c70896ffeeef32b9c950ywan 530233d2500723e5594f3e7c70896ffeeef32b9c950ywan vsub.s16 q4, q4, q7 531233d2500723e5594f3e7c70896ffeeef32b9c950ywan vsub.s16 q5, q5, q7 532233d2500723e5594f3e7c70896ffeeef32b9c950ywan 533233d2500723e5594f3e7c70896ffeeef32b9c950ywan ; Load 4x yleft_col 534233d2500723e5594f3e7c70896ffeeef32b9c950ywan sub r0, r0, #1 535233d2500723e5594f3e7c70896ffeeef32b9c950ywan mov r12, #4 536233d2500723e5594f3e7c70896ffeeef32b9c950ywan 537233d2500723e5594f3e7c70896ffeeef32b9c950ywancase_tm_pred_loop_s 538233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r3, [r0], r2 539233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r4, [r0], r2 540233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r5, [r0], r2 541233d2500723e5594f3e7c70896ffeeef32b9c950ywan ldrb r6, [r0], r2 542233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q0, r3 543233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q1, r4 544233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q2, r5 545233d2500723e5594f3e7c70896ffeeef32b9c950ywan vdup.u16 q3, r6 546233d2500723e5594f3e7c70896ffeeef32b9c950ywan 547233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q8, q0, q4 548233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q9, q0, q5 549233d2500723e5594f3e7c70896ffeeef32b9c950ywan 550233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q10, q1, q4 551233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q11, q1, q5 552233d2500723e5594f3e7c70896ffeeef32b9c950ywan 553233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q12, q2, q4 554233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q13, q2, q5 555233d2500723e5594f3e7c70896ffeeef32b9c950ywan 556233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q14, q3, q4 557233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqadd.s16 q15, q3, q5 558233d2500723e5594f3e7c70896ffeeef32b9c950ywan 559233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d0, q8, #0 560233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d1, q9, #0 561233d2500723e5594f3e7c70896ffeeef32b9c950ywan 562233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d2, q10, #0 563233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d3, q11, #0 564233d2500723e5594f3e7c70896ffeeef32b9c950ywan 565233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d4, q12, #0 566233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d5, q13, #0 567233d2500723e5594f3e7c70896ffeeef32b9c950ywan 568233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d6, q14, #0 569233d2500723e5594f3e7c70896ffeeef32b9c950ywan vqshrun.s16 d7, q15, #0 570233d2500723e5594f3e7c70896ffeeef32b9c950ywan 571233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q0}, [r1], r2 572233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q1}, [r1], r2 573233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q2}, [r1], r2 574233d2500723e5594f3e7c70896ffeeef32b9c950ywan vst1.u8 {q3}, [r1], r2 575233d2500723e5594f3e7c70896ffeeef32b9c950ywan 576233d2500723e5594f3e7c70896ffeeef32b9c950ywan subs r12, r12, #1 577233d2500723e5594f3e7c70896ffeeef32b9c950ywan bne case_tm_pred_loop_s 578233d2500723e5594f3e7c70896ffeeef32b9c950ywan 579233d2500723e5594f3e7c70896ffeeef32b9c950ywan pop {r4-r8,pc} 580233d2500723e5594f3e7c70896ffeeef32b9c950ywan 581233d2500723e5594f3e7c70896ffeeef32b9c950ywan ENDP 582233d2500723e5594f3e7c70896ffeeef32b9c950ywan 583233d2500723e5594f3e7c70896ffeeef32b9c950ywan 584233d2500723e5594f3e7c70896ffeeef32b9c950ywan END 585