| 1 | ;***************************************************************************** |
| 2 | ;* Copyright (C) 2013 x265 project |
| 3 | ;* |
| 4 | ;* Authors: Min Chen <chenm001@163.com> |
| 5 | ;* Praveen Kumar Tiwari <praveen@multicorewareinc.com> |
| 6 | ;* Nabajit Deka <nabajit@multicorewareinc.com> |
| 7 | ;* Dnyaneshwar Gorade <dnyaneshwar@multicorewareinc.com> |
| 8 | ;* Murugan Vairavel <murugan@multicorewareinc.com> |
| 9 | ;* Yuvaraj Venkatesh <yuvaraj@multicorewareinc.com> |
| 10 | ;* This program is free software; you can redistribute it and/or modify |
| 11 | ;* it under the terms of the GNU General Public License as published by |
| 12 | ;* the Free Software Foundation; either version 2 of the License, or |
| 13 | ;* (at your option) any later version. |
| 14 | ;* |
| 15 | ;* This program is distributed in the hope that it will be useful, |
| 16 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;* GNU General Public License for more details. |
| 19 | ;* |
| 20 | ;* You should have received a copy of the GNU General Public License |
| 21 | ;* along with this program; if not, write to the Free Software |
| 22 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 23 | ;* |
| 24 | ;* This program is also available under a commercial proprietary license. |
| 25 | ;* For more information, contact us at license @ x265.com. |
| 26 | ;*****************************************************************************/ |
| 27 | |
| 28 | %include "x86inc.asm" |
| 29 | |
| 30 | SECTION_RODATA 32 |
| 31 | |
| 32 | pw_2: times 16 db 2 |
| 33 | |
| 34 | SECTION .text |
| 35 | |
| 36 | ;============================================================================================================ |
| 37 | ; void saoCuOrgE0(pixel * rec, int8_t * offsetEo, int lcuWidth, int8_t signLeft) |
| 38 | ;============================================================================================================ |
| 39 | INIT_XMM sse4 |
| 40 | cglobal saoCuOrgE0, 4, 4, 8, rec, offsetEo, lcuWidth, signLeft |
| 41 | |
| 42 | neg r3 ; r3 = -iSignLeft |
| 43 | movd m0, r3d |
| 44 | pslldq m0, 15 ; m0 = [iSignLeft x .. x] |
| 45 | pcmpeqb m4, m4 ; m4 = [pb -1] |
| 46 | pxor m5, m5 ; m5 = 0 |
| 47 | movh m6, [r1] ; m6 = m_offsetEo |
| 48 | |
| 49 | .loop: |
| 50 | movu m7, [r0] ; m1 = pRec[x] |
| 51 | mova m1, m7 |
| 52 | movu m2, [r0+1] ; m2 = pRec[x+1] |
| 53 | |
| 54 | psubusb m3, m2, m7 |
| 55 | psubusb m1, m2 |
| 56 | pcmpeqb m3, m5 |
| 57 | pcmpeqb m1, m5 |
| 58 | pcmpeqb m2, m7 |
| 59 | |
| 60 | pabsb m3, m3 ; m1 = (pRec[x] - pRec[x+1]) > 0) ? 1 : 0 |
| 61 | por m1, m3 ; m1 = iSignRight |
| 62 | pandn m2, m1 |
| 63 | |
| 64 | palignr m3, m2, m0, 15 ; m3 = -iSignLeft |
| 65 | psignb m3, m4 ; m3 = iSignLeft |
| 66 | mova m0, m4 |
| 67 | pslldq m0, 15 |
| 68 | pand m0, m2 ; [pb 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1] |
| 69 | paddb m2, m3 |
| 70 | paddb m2, [pw_2] ; m1 = uiEdgeType |
| 71 | pshufb m3, m6, m2 |
| 72 | pmovzxbw m2, m7 ; rec |
| 73 | punpckhbw m7, m5 |
| 74 | pmovsxbw m1, m3 ; iOffsetEo |
| 75 | punpckhbw m3, m3 |
| 76 | psraw m3, 8 |
| 77 | paddw m2, m1 |
| 78 | paddw m7, m3 |
| 79 | packuswb m2, m7 |
| 80 | movu [r0], m2 |
| 81 | |
| 82 | add r0q, 16 |
| 83 | sub r2d, 16 |
| 84 | jnz .loop |
| 85 | RET |