media/libvpx/vp8/encoder/arm/neon/subtract_neon.asm@6474c204b198 (annotated)
media/libvpx/vp8/encoder/arm/neon/subtract_neon.asm
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | ; |
| michael@0 | 2 | ; Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| michael@0 | 3 | ; |
| michael@0 | 4 | ; Use of this source code is governed by a BSD-style license |
| michael@0 | 5 | ; that can be found in the LICENSE file in the root of the source |
| michael@0 | 6 | ; tree. An additional intellectual property rights grant can be found |
| michael@0 | 7 | ; in the file PATENTS. All contributing project authors may |
| michael@0 | 8 | ; be found in the AUTHORS file in the root of the source tree. |
| michael@0 | 9 | ; |
| michael@0 | 10 | |
| michael@0 | 11 | EXPORT |vp8_subtract_b_neon| |
| michael@0 | 12 | EXPORT |vp8_subtract_mby_neon| |
| michael@0 | 13 | EXPORT |vp8_subtract_mbuv_neon| |
| michael@0 | 14 | |
| michael@0 | 15 | INCLUDE vp8_asm_enc_offsets.asm |
| michael@0 | 16 | |
| michael@0 | 17 | ARM |
| michael@0 | 18 | REQUIRE8 |
| michael@0 | 19 | PRESERVE8 |
| michael@0 | 20 | |
| michael@0 | 21 | AREA ||.text||, CODE, READONLY, ALIGN=2 |
| michael@0 | 22 | |
| michael@0 | 23 | ;void vp8_subtract_b_neon(BLOCK *be, BLOCKD *bd, int pitch) |
| michael@0 | 24 | |vp8_subtract_b_neon| PROC |
| michael@0 | 25 | |
| michael@0 | 26 | stmfd sp!, {r4-r7} |
| michael@0 | 27 | |
| michael@0 | 28 | ldr r3, [r0, #vp8_block_base_src] |
| michael@0 | 29 | ldr r4, [r0, #vp8_block_src] |
| michael@0 | 30 | ldr r5, [r0, #vp8_block_src_diff] |
| michael@0 | 31 | ldr r3, [r3] |
| michael@0 | 32 | ldr r6, [r0, #vp8_block_src_stride] |
| michael@0 | 33 | add r3, r3, r4 ; src = *base_src + src |
| michael@0 | 34 | ldr r7, [r1, #vp8_blockd_predictor] |
| michael@0 | 35 | |
| michael@0 | 36 | vld1.8 {d0}, [r3], r6 ;load src |
| michael@0 | 37 | vld1.8 {d1}, [r7], r2 ;load pred |
| michael@0 | 38 | vld1.8 {d2}, [r3], r6 |
| michael@0 | 39 | vld1.8 {d3}, [r7], r2 |
| michael@0 | 40 | vld1.8 {d4}, [r3], r6 |
| michael@0 | 41 | vld1.8 {d5}, [r7], r2 |
| michael@0 | 42 | vld1.8 {d6}, [r3], r6 |
| michael@0 | 43 | vld1.8 {d7}, [r7], r2 |
| michael@0 | 44 | |
| michael@0 | 45 | vsubl.u8 q10, d0, d1 |
| michael@0 | 46 | vsubl.u8 q11, d2, d3 |
| michael@0 | 47 | vsubl.u8 q12, d4, d5 |
| michael@0 | 48 | vsubl.u8 q13, d6, d7 |
| michael@0 | 49 | |
| michael@0 | 50 | mov r2, r2, lsl #1 |
| michael@0 | 51 | |
| michael@0 | 52 | vst1.16 {d20}, [r5], r2 ;store diff |
| michael@0 | 53 | vst1.16 {d22}, [r5], r2 |
| michael@0 | 54 | vst1.16 {d24}, [r5], r2 |
| michael@0 | 55 | vst1.16 {d26}, [r5], r2 |
| michael@0 | 56 | |
| michael@0 | 57 | ldmfd sp!, {r4-r7} |
| michael@0 | 58 | bx lr |
| michael@0 | 59 | |
| michael@0 | 60 | ENDP |
| michael@0 | 61 | |
| michael@0 | 62 | |
| michael@0 | 63 | ;========================================== |
| michael@0 | 64 | ;void vp8_subtract_mby_neon(short *diff, unsigned char *src, int src_stride |
| michael@0 | 65 | ; unsigned char *pred, int pred_stride) |
| michael@0 | 66 | |vp8_subtract_mby_neon| PROC |
| michael@0 | 67 | push {r4-r7} |
| michael@0 | 68 | mov r12, #4 |
| michael@0 | 69 | ldr r4, [sp, #16] ; pred_stride |
| michael@0 | 70 | mov r6, #32 ; "diff" stride x2 |
| michael@0 | 71 | add r5, r0, #16 ; second diff pointer |
| michael@0 | 72 | |
| michael@0 | 73 | subtract_mby_loop |
| michael@0 | 74 | vld1.8 {q0}, [r1], r2 ;load src |
| michael@0 | 75 | vld1.8 {q1}, [r3], r4 ;load pred |
| michael@0 | 76 | vld1.8 {q2}, [r1], r2 |
| michael@0 | 77 | vld1.8 {q3}, [r3], r4 |
| michael@0 | 78 | vld1.8 {q4}, [r1], r2 |
| michael@0 | 79 | vld1.8 {q5}, [r3], r4 |
| michael@0 | 80 | vld1.8 {q6}, [r1], r2 |
| michael@0 | 81 | vld1.8 {q7}, [r3], r4 |
| michael@0 | 82 | |
| michael@0 | 83 | vsubl.u8 q8, d0, d2 |
| michael@0 | 84 | vsubl.u8 q9, d1, d3 |
| michael@0 | 85 | vsubl.u8 q10, d4, d6 |
| michael@0 | 86 | vsubl.u8 q11, d5, d7 |
| michael@0 | 87 | vsubl.u8 q12, d8, d10 |
| michael@0 | 88 | vsubl.u8 q13, d9, d11 |
| michael@0 | 89 | vsubl.u8 q14, d12, d14 |
| michael@0 | 90 | vsubl.u8 q15, d13, d15 |
| michael@0 | 91 | |
| michael@0 | 92 | vst1.16 {q8}, [r0], r6 ;store diff |
| michael@0 | 93 | vst1.16 {q9}, [r5], r6 |
| michael@0 | 94 | vst1.16 {q10}, [r0], r6 |
| michael@0 | 95 | vst1.16 {q11}, [r5], r6 |
| michael@0 | 96 | vst1.16 {q12}, [r0], r6 |
| michael@0 | 97 | vst1.16 {q13}, [r5], r6 |
| michael@0 | 98 | vst1.16 {q14}, [r0], r6 |
| michael@0 | 99 | vst1.16 {q15}, [r5], r6 |
| michael@0 | 100 | |
| michael@0 | 101 | subs r12, r12, #1 |
| michael@0 | 102 | bne subtract_mby_loop |
| michael@0 | 103 | |
| michael@0 | 104 | pop {r4-r7} |
| michael@0 | 105 | bx lr |
| michael@0 | 106 | ENDP |
| michael@0 | 107 | |
| michael@0 | 108 | ;================================= |
| michael@0 | 109 | ;void vp8_subtract_mbuv_c(short *diff, unsigned char *usrc, unsigned char *vsrc, |
| michael@0 | 110 | ; int src_stride, unsigned char *upred, |
| michael@0 | 111 | ; unsigned char *vpred, int pred_stride) |
| michael@0 | 112 | |
| michael@0 | 113 | |vp8_subtract_mbuv_neon| PROC |
| michael@0 | 114 | push {r4-r7} |
| michael@0 | 115 | ldr r4, [sp, #16] ; upred |
| michael@0 | 116 | ldr r5, [sp, #20] ; vpred |
| michael@0 | 117 | ldr r6, [sp, #24] ; pred_stride |
| michael@0 | 118 | add r0, r0, #512 ; short *udiff = diff + 256; |
| michael@0 | 119 | mov r12, #32 ; "diff" stride x2 |
| michael@0 | 120 | add r7, r0, #16 ; second diff pointer |
| michael@0 | 121 | |
| michael@0 | 122 | ;u |
| michael@0 | 123 | vld1.8 {d0}, [r1], r3 ;load usrc |
| michael@0 | 124 | vld1.8 {d1}, [r4], r6 ;load upred |
| michael@0 | 125 | vld1.8 {d2}, [r1], r3 |
| michael@0 | 126 | vld1.8 {d3}, [r4], r6 |
| michael@0 | 127 | vld1.8 {d4}, [r1], r3 |
| michael@0 | 128 | vld1.8 {d5}, [r4], r6 |
| michael@0 | 129 | vld1.8 {d6}, [r1], r3 |
| michael@0 | 130 | vld1.8 {d7}, [r4], r6 |
| michael@0 | 131 | vld1.8 {d8}, [r1], r3 |
| michael@0 | 132 | vld1.8 {d9}, [r4], r6 |
| michael@0 | 133 | vld1.8 {d10}, [r1], r3 |
| michael@0 | 134 | vld1.8 {d11}, [r4], r6 |
| michael@0 | 135 | vld1.8 {d12}, [r1], r3 |
| michael@0 | 136 | vld1.8 {d13}, [r4], r6 |
| michael@0 | 137 | vld1.8 {d14}, [r1], r3 |
| michael@0 | 138 | vld1.8 {d15}, [r4], r6 |
| michael@0 | 139 | |
| michael@0 | 140 | vsubl.u8 q8, d0, d1 |
| michael@0 | 141 | vsubl.u8 q9, d2, d3 |
| michael@0 | 142 | vsubl.u8 q10, d4, d5 |
| michael@0 | 143 | vsubl.u8 q11, d6, d7 |
| michael@0 | 144 | vsubl.u8 q12, d8, d9 |
| michael@0 | 145 | vsubl.u8 q13, d10, d11 |
| michael@0 | 146 | vsubl.u8 q14, d12, d13 |
| michael@0 | 147 | vsubl.u8 q15, d14, d15 |
| michael@0 | 148 | |
| michael@0 | 149 | vst1.16 {q8}, [r0], r12 ;store diff |
| michael@0 | 150 | vst1.16 {q9}, [r7], r12 |
| michael@0 | 151 | vst1.16 {q10}, [r0], r12 |
| michael@0 | 152 | vst1.16 {q11}, [r7], r12 |
| michael@0 | 153 | vst1.16 {q12}, [r0], r12 |
| michael@0 | 154 | vst1.16 {q13}, [r7], r12 |
| michael@0 | 155 | vst1.16 {q14}, [r0], r12 |
| michael@0 | 156 | vst1.16 {q15}, [r7], r12 |
| michael@0 | 157 | |
| michael@0 | 158 | ;v |
| michael@0 | 159 | vld1.8 {d0}, [r2], r3 ;load vsrc |
| michael@0 | 160 | vld1.8 {d1}, [r5], r6 ;load vpred |
| michael@0 | 161 | vld1.8 {d2}, [r2], r3 |
| michael@0 | 162 | vld1.8 {d3}, [r5], r6 |
| michael@0 | 163 | vld1.8 {d4}, [r2], r3 |
| michael@0 | 164 | vld1.8 {d5}, [r5], r6 |
| michael@0 | 165 | vld1.8 {d6}, [r2], r3 |
| michael@0 | 166 | vld1.8 {d7}, [r5], r6 |
| michael@0 | 167 | vld1.8 {d8}, [r2], r3 |
| michael@0 | 168 | vld1.8 {d9}, [r5], r6 |
| michael@0 | 169 | vld1.8 {d10}, [r2], r3 |
| michael@0 | 170 | vld1.8 {d11}, [r5], r6 |
| michael@0 | 171 | vld1.8 {d12}, [r2], r3 |
| michael@0 | 172 | vld1.8 {d13}, [r5], r6 |
| michael@0 | 173 | vld1.8 {d14}, [r2], r3 |
| michael@0 | 174 | vld1.8 {d15}, [r5], r6 |
| michael@0 | 175 | |
| michael@0 | 176 | vsubl.u8 q8, d0, d1 |
| michael@0 | 177 | vsubl.u8 q9, d2, d3 |
| michael@0 | 178 | vsubl.u8 q10, d4, d5 |
| michael@0 | 179 | vsubl.u8 q11, d6, d7 |
| michael@0 | 180 | vsubl.u8 q12, d8, d9 |
| michael@0 | 181 | vsubl.u8 q13, d10, d11 |
| michael@0 | 182 | vsubl.u8 q14, d12, d13 |
| michael@0 | 183 | vsubl.u8 q15, d14, d15 |
| michael@0 | 184 | |
| michael@0 | 185 | vst1.16 {q8}, [r0], r12 ;store diff |
| michael@0 | 186 | vst1.16 {q9}, [r7], r12 |
| michael@0 | 187 | vst1.16 {q10}, [r0], r12 |
| michael@0 | 188 | vst1.16 {q11}, [r7], r12 |
| michael@0 | 189 | vst1.16 {q12}, [r0], r12 |
| michael@0 | 190 | vst1.16 {q13}, [r7], r12 |
| michael@0 | 191 | vst1.16 {q14}, [r0], r12 |
| michael@0 | 192 | vst1.16 {q15}, [r7], r12 |
| michael@0 | 193 | |
| michael@0 | 194 | pop {r4-r7} |
| michael@0 | 195 | bx lr |
| michael@0 | 196 | |
| michael@0 | 197 | ENDP |
| michael@0 | 198 | |
| michael@0 | 199 | END |
