media/libvpx/vp8/encoder/x86/subtract_sse2.asm@6474c204b198 (annotated)
media/libvpx/vp8/encoder/x86/subtract_sse2.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 | |
| michael@0 | 12 | %include "vpx_ports/x86_abi_support.asm" |
| michael@0 | 13 | |
| michael@0 | 14 | ;void vp8_subtract_b_sse2_impl(unsigned char *z, int src_stride, |
| michael@0 | 15 | ; short *diff, unsigned char *Predictor, |
| michael@0 | 16 | ; int pitch); |
| michael@0 | 17 | global sym(vp8_subtract_b_sse2_impl) PRIVATE |
| michael@0 | 18 | sym(vp8_subtract_b_sse2_impl): |
| michael@0 | 19 | push rbp |
| michael@0 | 20 | mov rbp, rsp |
| michael@0 | 21 | SHADOW_ARGS_TO_STACK 5 |
| michael@0 | 22 | GET_GOT rbx |
| michael@0 | 23 | push rsi |
| michael@0 | 24 | push rdi |
| michael@0 | 25 | ; end prolog |
| michael@0 | 26 | |
| michael@0 | 27 | mov rdi, arg(2) ;diff |
| michael@0 | 28 | mov rax, arg(3) ;Predictor |
| michael@0 | 29 | mov rsi, arg(0) ;z |
| michael@0 | 30 | movsxd rdx, dword ptr arg(1);src_stride; |
| michael@0 | 31 | movsxd rcx, dword ptr arg(4);pitch |
| michael@0 | 32 | pxor mm7, mm7 |
| michael@0 | 33 | |
| michael@0 | 34 | movd mm0, [rsi] |
| michael@0 | 35 | movd mm1, [rax] |
| michael@0 | 36 | punpcklbw mm0, mm7 |
| michael@0 | 37 | punpcklbw mm1, mm7 |
| michael@0 | 38 | psubw mm0, mm1 |
| michael@0 | 39 | movq MMWORD PTR [rdi], mm0 |
| michael@0 | 40 | |
| michael@0 | 41 | movd mm0, [rsi+rdx] |
| michael@0 | 42 | movd mm1, [rax+rcx] |
| michael@0 | 43 | punpcklbw mm0, mm7 |
| michael@0 | 44 | punpcklbw mm1, mm7 |
| michael@0 | 45 | psubw mm0, mm1 |
| michael@0 | 46 | movq MMWORD PTR [rdi+rcx*2], mm0 |
| michael@0 | 47 | |
| michael@0 | 48 | movd mm0, [rsi+rdx*2] |
| michael@0 | 49 | movd mm1, [rax+rcx*2] |
| michael@0 | 50 | punpcklbw mm0, mm7 |
| michael@0 | 51 | punpcklbw mm1, mm7 |
| michael@0 | 52 | psubw mm0, mm1 |
| michael@0 | 53 | movq MMWORD PTR [rdi+rcx*4], mm0 |
| michael@0 | 54 | |
| michael@0 | 55 | lea rsi, [rsi+rdx*2] |
| michael@0 | 56 | lea rcx, [rcx+rcx*2] |
| michael@0 | 57 | |
| michael@0 | 58 | movd mm0, [rsi+rdx] |
| michael@0 | 59 | movd mm1, [rax+rcx] |
| michael@0 | 60 | punpcklbw mm0, mm7 |
| michael@0 | 61 | punpcklbw mm1, mm7 |
| michael@0 | 62 | psubw mm0, mm1 |
| michael@0 | 63 | movq MMWORD PTR [rdi+rcx*2], mm0 |
| michael@0 | 64 | |
| michael@0 | 65 | ; begin epilog |
| michael@0 | 66 | pop rdi |
| michael@0 | 67 | pop rsi |
| michael@0 | 68 | RESTORE_GOT |
| michael@0 | 69 | UNSHADOW_ARGS |
| michael@0 | 70 | pop rbp |
| michael@0 | 71 | ret |
| michael@0 | 72 | |
| michael@0 | 73 | |
| michael@0 | 74 | ;void vp8_subtract_mby_sse2(short *diff, unsigned char *src, int src_stride, |
| michael@0 | 75 | ;unsigned char *pred, int pred_stride) |
| michael@0 | 76 | global sym(vp8_subtract_mby_sse2) PRIVATE |
| michael@0 | 77 | sym(vp8_subtract_mby_sse2): |
| michael@0 | 78 | push rbp |
| michael@0 | 79 | mov rbp, rsp |
| michael@0 | 80 | SHADOW_ARGS_TO_STACK 5 |
| michael@0 | 81 | GET_GOT rbx |
| michael@0 | 82 | push rsi |
| michael@0 | 83 | push rdi |
| michael@0 | 84 | ; end prolog |
| michael@0 | 85 | |
| michael@0 | 86 | mov rdi, arg(0) ;diff |
| michael@0 | 87 | mov rsi, arg(1) ;src |
| michael@0 | 88 | movsxd rdx, dword ptr arg(2);src_stride |
| michael@0 | 89 | mov rax, arg(3) ;pred |
| michael@0 | 90 | movdqa xmm4, [GLOBAL(t80)] |
| michael@0 | 91 | push rbx |
| michael@0 | 92 | mov rcx, 8 ; do two lines at one time |
| michael@0 | 93 | movsxd rbx, dword ptr arg(4);pred_stride |
| michael@0 | 94 | |
| michael@0 | 95 | .submby_loop: |
| michael@0 | 96 | movdqa xmm0, [rsi] ; src |
| michael@0 | 97 | movdqa xmm1, [rax] ; pred |
| michael@0 | 98 | |
| michael@0 | 99 | movdqa xmm2, xmm0 |
| michael@0 | 100 | psubb xmm0, xmm1 |
| michael@0 | 101 | |
| michael@0 | 102 | pxor xmm1, xmm4 ;convert to signed values |
| michael@0 | 103 | pxor xmm2, xmm4 |
| michael@0 | 104 | pcmpgtb xmm1, xmm2 ; obtain sign information |
| michael@0 | 105 | |
| michael@0 | 106 | movdqa xmm2, xmm0 |
| michael@0 | 107 | punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| michael@0 | 108 | punpckhbw xmm2, xmm1 ; put sign back to subtraction |
| michael@0 | 109 | |
| michael@0 | 110 | movdqa xmm3, [rsi + rdx] |
| michael@0 | 111 | movdqa xmm5, [rax + rbx] |
| michael@0 | 112 | |
| michael@0 | 113 | lea rsi, [rsi+rdx*2] |
| michael@0 | 114 | lea rax, [rax+rbx*2] |
| michael@0 | 115 | |
| michael@0 | 116 | movdqa [rdi], xmm0 |
| michael@0 | 117 | movdqa [rdi +16], xmm2 |
| michael@0 | 118 | |
| michael@0 | 119 | movdqa xmm1, xmm3 |
| michael@0 | 120 | psubb xmm3, xmm5 |
| michael@0 | 121 | |
| michael@0 | 122 | pxor xmm5, xmm4 ;convert to signed values |
| michael@0 | 123 | pxor xmm1, xmm4 |
| michael@0 | 124 | pcmpgtb xmm5, xmm1 ; obtain sign information |
| michael@0 | 125 | |
| michael@0 | 126 | movdqa xmm1, xmm3 |
| michael@0 | 127 | punpcklbw xmm3, xmm5 ; put sign back to subtraction |
| michael@0 | 128 | punpckhbw xmm1, xmm5 ; put sign back to subtraction |
| michael@0 | 129 | |
| michael@0 | 130 | movdqa [rdi +32], xmm3 |
| michael@0 | 131 | movdqa [rdi +48], xmm1 |
| michael@0 | 132 | |
| michael@0 | 133 | add rdi, 64 |
| michael@0 | 134 | dec rcx |
| michael@0 | 135 | jnz .submby_loop |
| michael@0 | 136 | |
| michael@0 | 137 | pop rbx |
| michael@0 | 138 | pop rdi |
| michael@0 | 139 | pop rsi |
| michael@0 | 140 | ; begin epilog |
| michael@0 | 141 | RESTORE_GOT |
| michael@0 | 142 | UNSHADOW_ARGS |
| michael@0 | 143 | pop rbp |
| michael@0 | 144 | ret |
| michael@0 | 145 | |
| michael@0 | 146 | ;vp8_subtract_mbuv_sse2(short *diff, unsigned char *usrc, unsigned char *vsrc, |
| michael@0 | 147 | ; int src_stride, unsigned char *upred, |
| michael@0 | 148 | ; unsigned char *vpred, int pred_stride) |
| michael@0 | 149 | global sym(vp8_subtract_mbuv_sse2) PRIVATE |
| michael@0 | 150 | sym(vp8_subtract_mbuv_sse2): |
| michael@0 | 151 | push rbp |
| michael@0 | 152 | mov rbp, rsp |
| michael@0 | 153 | SHADOW_ARGS_TO_STACK 7 |
| michael@0 | 154 | GET_GOT rbx |
| michael@0 | 155 | push rsi |
| michael@0 | 156 | push rdi |
| michael@0 | 157 | ; end prolog |
| michael@0 | 158 | |
| michael@0 | 159 | movdqa xmm4, [GLOBAL(t80)] |
| michael@0 | 160 | mov rdi, arg(0) ;diff |
| michael@0 | 161 | mov rsi, arg(1) ;usrc |
| michael@0 | 162 | movsxd rdx, dword ptr arg(3);src_stride; |
| michael@0 | 163 | mov rax, arg(4) ;upred |
| michael@0 | 164 | add rdi, 256*2 ;diff = diff + 256 (shorts) |
| michael@0 | 165 | mov rcx, 4 |
| michael@0 | 166 | push rbx |
| michael@0 | 167 | movsxd rbx, dword ptr arg(6);pred_stride |
| michael@0 | 168 | |
| michael@0 | 169 | ;u |
| michael@0 | 170 | .submbu_loop: |
| michael@0 | 171 | movq xmm0, [rsi] ; src |
| michael@0 | 172 | movq xmm2, [rsi+rdx] ; src -- next line |
| michael@0 | 173 | movq xmm1, [rax] ; pred |
| michael@0 | 174 | movq xmm3, [rax+rbx] ; pred -- next line |
| michael@0 | 175 | lea rsi, [rsi + rdx*2] |
| michael@0 | 176 | lea rax, [rax + rbx*2] |
| michael@0 | 177 | |
| michael@0 | 178 | punpcklqdq xmm0, xmm2 |
| michael@0 | 179 | punpcklqdq xmm1, xmm3 |
| michael@0 | 180 | |
| michael@0 | 181 | movdqa xmm2, xmm0 |
| michael@0 | 182 | psubb xmm0, xmm1 ; subtraction with sign missed |
| michael@0 | 183 | |
| michael@0 | 184 | pxor xmm1, xmm4 ;convert to signed values |
| michael@0 | 185 | pxor xmm2, xmm4 |
| michael@0 | 186 | pcmpgtb xmm1, xmm2 ; obtain sign information |
| michael@0 | 187 | |
| michael@0 | 188 | movdqa xmm2, xmm0 |
| michael@0 | 189 | movdqa xmm3, xmm1 |
| michael@0 | 190 | punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| michael@0 | 191 | punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| michael@0 | 192 | |
| michael@0 | 193 | movdqa [rdi], xmm0 ; store difference |
| michael@0 | 194 | movdqa [rdi +16], xmm2 ; store difference |
| michael@0 | 195 | add rdi, 32 |
| michael@0 | 196 | sub rcx, 1 |
| michael@0 | 197 | jnz .submbu_loop |
| michael@0 | 198 | |
| michael@0 | 199 | mov rsi, arg(2) ;vsrc |
| michael@0 | 200 | mov rax, arg(5) ;vpred |
| michael@0 | 201 | mov rcx, 4 |
| michael@0 | 202 | |
| michael@0 | 203 | ;v |
| michael@0 | 204 | .submbv_loop: |
| michael@0 | 205 | movq xmm0, [rsi] ; src |
| michael@0 | 206 | movq xmm2, [rsi+rdx] ; src -- next line |
| michael@0 | 207 | movq xmm1, [rax] ; pred |
| michael@0 | 208 | movq xmm3, [rax+rbx] ; pred -- next line |
| michael@0 | 209 | lea rsi, [rsi + rdx*2] |
| michael@0 | 210 | lea rax, [rax + rbx*2] |
| michael@0 | 211 | |
| michael@0 | 212 | punpcklqdq xmm0, xmm2 |
| michael@0 | 213 | punpcklqdq xmm1, xmm3 |
| michael@0 | 214 | |
| michael@0 | 215 | movdqa xmm2, xmm0 |
| michael@0 | 216 | psubb xmm0, xmm1 ; subtraction with sign missed |
| michael@0 | 217 | |
| michael@0 | 218 | pxor xmm1, xmm4 ;convert to signed values |
| michael@0 | 219 | pxor xmm2, xmm4 |
| michael@0 | 220 | pcmpgtb xmm1, xmm2 ; obtain sign information |
| michael@0 | 221 | |
| michael@0 | 222 | movdqa xmm2, xmm0 |
| michael@0 | 223 | movdqa xmm3, xmm1 |
| michael@0 | 224 | punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| michael@0 | 225 | punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| michael@0 | 226 | |
| michael@0 | 227 | movdqa [rdi], xmm0 ; store difference |
| michael@0 | 228 | movdqa [rdi +16], xmm2 ; store difference |
| michael@0 | 229 | add rdi, 32 |
| michael@0 | 230 | sub rcx, 1 |
| michael@0 | 231 | jnz .submbv_loop |
| michael@0 | 232 | |
| michael@0 | 233 | pop rbx |
| michael@0 | 234 | ; begin epilog |
| michael@0 | 235 | pop rdi |
| michael@0 | 236 | pop rsi |
| michael@0 | 237 | RESTORE_GOT |
| michael@0 | 238 | UNSHADOW_ARGS |
| michael@0 | 239 | pop rbp |
| michael@0 | 240 | ret |
| michael@0 | 241 | |
| michael@0 | 242 | SECTION_RODATA |
| michael@0 | 243 | align 16 |
| michael@0 | 244 | t80: |
| michael@0 | 245 | times 16 db 0x80 |
