| /* |
| * Copyright © 2009 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Author: |
| * Zou Nan hai <nanhai.zou@intel.com> |
| * Yan Li <li.l.yan@intel.com> |
| * Liu Xi bin<xibin.liu@intel.com> |
| */ |
| /* GRF allocation: |
| g1~g30: constant buffer |
| g1~g2:intra IQ matrix |
| g3~g4:non intra IQ matrix |
| g5~g20:IDCT table |
| g112~g115: intra IQ matrix in UW format (in order to use instruction compress), copys from g1~g2 |
| g[a0.0]:DCT data of a block |
| g125: ip before jump |
| F''[v][u]=(((QF[v][u]*2)+Sign(QF[v][u])) * W[w][v][u] * quantiser_scale)/32; |
| */ |
| DO_IQ_NON_INTRA: |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| mul (16) g116.0<1>D g[a0.0]<8,8,1>W g112.0<8,8,1>UW {align1 compr}; |
| mul (16) g116.0<1>D g116.0<8,8,1>D g109.0<8,8,0>UW {align1 compr}; |
| asr (16) g116.0<1>D g116.0<8,8,1>D 4UW {align1 compr}; |
| |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| mul (16) g118.0<1>D g[a0.0]<8,8,1>W g113.0<8,8,1>UW {align1 compr}; |
| mul (16) g118.0<1>D g118.0<8,8,1>D g109.0<8,8,0>UW {align1 compr}; |
| asr (16) g118.0<1>D g118.0<8,8,1>D 4UW {align1 compr}; |
| |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| mul (16) g120.0<1>D g[a0.0]<8,8,1>W g114.0<8,8,1>UW {align1 compr}; |
| mul (16) g120.0<1>D g120.0<8,8,1>D g109.0<8,8,0>UW {align1 compr}; |
| asr (16) g120.0<1>D g120.0<8,8,1>D 4UW {align1 compr}; |
| |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| mul (16) g122.0<1>D g[a0.0]<8,8,1>W g115.0<8,8,1>UW {align1 compr}; |
| mul (16) g122.0<1>D g122.0<8,8,1>D g109.0<8,8,0>UW {align1 compr}; |
| asr (16) g122.0<1>D g122.0<8,8,1>D 4UW {align1 compr}; |
| |
| add (1) ip g125.0<1,1,1>UD 0x20UD {align1}; //jump back |