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comparison: media/libvpx/vp8/encoder/x86/subtract_mmx.asm
media/libvpx/vp8/encoder/x86/subtract_mmx.asm
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- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:6538eeb640e1 |
|---|---|
| 1 ; | |
| 2 ; Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 ; | |
| 4 ; Use of this source code is governed by a BSD-style license | |
| 5 ; that can be found in the LICENSE file in the root of the source | |
| 6 ; tree. An additional intellectual property rights grant can be found | |
| 7 ; in the file PATENTS. All contributing project authors may | |
| 8 ; be found in the AUTHORS file in the root of the source tree. | |
| 9 ; | |
| 10 | |
| 11 | |
| 12 %include "vpx_ports/x86_abi_support.asm" | |
| 13 | |
| 14 ;void vp8_subtract_b_mmx_impl(unsigned char *z, int src_stride, | |
| 15 ; short *diff, unsigned char *Predictor, | |
| 16 ; int pitch); | |
| 17 global sym(vp8_subtract_b_mmx_impl) PRIVATE | |
| 18 sym(vp8_subtract_b_mmx_impl): | |
| 19 push rbp | |
| 20 mov rbp, rsp | |
| 21 SHADOW_ARGS_TO_STACK 5 | |
| 22 push rsi | |
| 23 push rdi | |
| 24 ; end prolog | |
| 25 | |
| 26 | |
| 27 mov rdi, arg(2) ;diff | |
| 28 mov rax, arg(3) ;Predictor | |
| 29 mov rsi, arg(0) ;z | |
| 30 movsxd rdx, dword ptr arg(1);src_stride; | |
| 31 movsxd rcx, dword ptr arg(4);pitch | |
| 32 pxor mm7, mm7 | |
| 33 | |
| 34 movd mm0, [rsi] | |
| 35 movd mm1, [rax] | |
| 36 punpcklbw mm0, mm7 | |
| 37 punpcklbw mm1, mm7 | |
| 38 psubw mm0, mm1 | |
| 39 movq [rdi], mm0 | |
| 40 | |
| 41 | |
| 42 movd mm0, [rsi+rdx] | |
| 43 movd mm1, [rax+rcx] | |
| 44 punpcklbw mm0, mm7 | |
| 45 punpcklbw mm1, mm7 | |
| 46 psubw mm0, mm1 | |
| 47 movq [rdi+rcx*2],mm0 | |
| 48 | |
| 49 | |
| 50 movd mm0, [rsi+rdx*2] | |
| 51 movd mm1, [rax+rcx*2] | |
| 52 punpcklbw mm0, mm7 | |
| 53 punpcklbw mm1, mm7 | |
| 54 psubw mm0, mm1 | |
| 55 movq [rdi+rcx*4], mm0 | |
| 56 | |
| 57 lea rsi, [rsi+rdx*2] | |
| 58 lea rcx, [rcx+rcx*2] | |
| 59 | |
| 60 | |
| 61 | |
| 62 movd mm0, [rsi+rdx] | |
| 63 movd mm1, [rax+rcx] | |
| 64 punpcklbw mm0, mm7 | |
| 65 punpcklbw mm1, mm7 | |
| 66 psubw mm0, mm1 | |
| 67 movq [rdi+rcx*2], mm0 | |
| 68 | |
| 69 ; begin epilog | |
| 70 pop rdi | |
| 71 pop rsi | |
| 72 UNSHADOW_ARGS | |
| 73 pop rbp | |
| 74 ret | |
| 75 | |
| 76 ;void vp8_subtract_mby_mmx(short *diff, unsigned char *src, int src_stride, | |
| 77 ;unsigned char *pred, int pred_stride) | |
| 78 global sym(vp8_subtract_mby_mmx) PRIVATE | |
| 79 sym(vp8_subtract_mby_mmx): | |
| 80 push rbp | |
| 81 mov rbp, rsp | |
| 82 SHADOW_ARGS_TO_STACK 5 | |
| 83 push rsi | |
| 84 push rdi | |
| 85 ; end prolog | |
| 86 | |
| 87 mov rdi, arg(0) ;diff | |
| 88 mov rsi, arg(1) ;src | |
| 89 movsxd rdx, dword ptr arg(2);src_stride | |
| 90 mov rax, arg(3) ;pred | |
| 91 push rbx | |
| 92 movsxd rbx, dword ptr arg(4);pred_stride | |
| 93 | |
| 94 pxor mm0, mm0 | |
| 95 mov rcx, 16 | |
| 96 | |
| 97 | |
| 98 .submby_loop: | |
| 99 movq mm1, [rsi] | |
| 100 movq mm3, [rax] | |
| 101 | |
| 102 movq mm2, mm1 | |
| 103 movq mm4, mm3 | |
| 104 | |
| 105 punpcklbw mm1, mm0 | |
| 106 punpcklbw mm3, mm0 | |
| 107 | |
| 108 punpckhbw mm2, mm0 | |
| 109 punpckhbw mm4, mm0 | |
| 110 | |
| 111 psubw mm1, mm3 | |
| 112 psubw mm2, mm4 | |
| 113 | |
| 114 movq [rdi], mm1 | |
| 115 movq [rdi+8], mm2 | |
| 116 | |
| 117 movq mm1, [rsi+8] | |
| 118 movq mm3, [rax+8] | |
| 119 | |
| 120 movq mm2, mm1 | |
| 121 movq mm4, mm3 | |
| 122 | |
| 123 punpcklbw mm1, mm0 | |
| 124 punpcklbw mm3, mm0 | |
| 125 | |
| 126 punpckhbw mm2, mm0 | |
| 127 punpckhbw mm4, mm0 | |
| 128 | |
| 129 psubw mm1, mm3 | |
| 130 psubw mm2, mm4 | |
| 131 | |
| 132 movq [rdi+16], mm1 | |
| 133 movq [rdi+24], mm2 | |
| 134 add rdi, 32 | |
| 135 lea rax, [rax+rbx] | |
| 136 lea rsi, [rsi+rdx] | |
| 137 dec rcx | |
| 138 jnz .submby_loop | |
| 139 | |
| 140 pop rbx | |
| 141 pop rdi | |
| 142 pop rsi | |
| 143 ; begin epilog | |
| 144 UNSHADOW_ARGS | |
| 145 pop rbp | |
| 146 ret | |
| 147 | |
| 148 | |
| 149 ;vp8_subtract_mbuv_mmx(short *diff, unsigned char *usrc, unsigned char *vsrc, | |
| 150 ; int src_stride, unsigned char *upred, | |
| 151 ; unsigned char *vpred, int pred_stride) | |
| 152 | |
| 153 global sym(vp8_subtract_mbuv_mmx) PRIVATE | |
| 154 sym(vp8_subtract_mbuv_mmx): | |
| 155 push rbp | |
| 156 mov rbp, rsp | |
| 157 SHADOW_ARGS_TO_STACK 7 | |
| 158 push rsi | |
| 159 push rdi | |
| 160 ; end prolog | |
| 161 | |
| 162 mov rdi, arg(0) ;diff | |
| 163 mov rsi, arg(1) ;usrc | |
| 164 movsxd rdx, dword ptr arg(3);src_stride; | |
| 165 mov rax, arg(4) ;upred | |
| 166 add rdi, 256*2 ;diff = diff + 256 (shorts) | |
| 167 mov rcx, 8 | |
| 168 push rbx | |
| 169 movsxd rbx, dword ptr arg(6);pred_stride | |
| 170 | |
| 171 pxor mm7, mm7 | |
| 172 | |
| 173 .submbu_loop: | |
| 174 movq mm0, [rsi] | |
| 175 movq mm1, [rax] | |
| 176 movq mm3, mm0 | |
| 177 movq mm4, mm1 | |
| 178 punpcklbw mm0, mm7 | |
| 179 punpcklbw mm1, mm7 | |
| 180 punpckhbw mm3, mm7 | |
| 181 punpckhbw mm4, mm7 | |
| 182 psubw mm0, mm1 | |
| 183 psubw mm3, mm4 | |
| 184 movq [rdi], mm0 | |
| 185 movq [rdi+8], mm3 | |
| 186 add rdi, 16 | |
| 187 add rsi, rdx | |
| 188 add rax, rbx | |
| 189 | |
| 190 dec rcx | |
| 191 jnz .submbu_loop | |
| 192 | |
| 193 mov rsi, arg(2) ;vsrc | |
| 194 mov rax, arg(5) ;vpred | |
| 195 mov rcx, 8 | |
| 196 | |
| 197 .submbv_loop: | |
| 198 movq mm0, [rsi] | |
| 199 movq mm1, [rax] | |
| 200 movq mm3, mm0 | |
| 201 movq mm4, mm1 | |
| 202 punpcklbw mm0, mm7 | |
| 203 punpcklbw mm1, mm7 | |
| 204 punpckhbw mm3, mm7 | |
| 205 punpckhbw mm4, mm7 | |
| 206 psubw mm0, mm1 | |
| 207 psubw mm3, mm4 | |
| 208 movq [rdi], mm0 | |
| 209 movq [rdi+8], mm3 | |
| 210 add rdi, 16 | |
| 211 add rsi, rdx | |
| 212 add rax, rbx | |
| 213 | |
| 214 dec rcx | |
| 215 jnz .submbv_loop | |
| 216 | |
| 217 pop rbx | |
| 218 ; begin epilog | |
| 219 pop rdi | |
| 220 pop rsi | |
| 221 UNSHADOW_ARGS | |
| 222 pop rbp | |
| 223 ret |
