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path: root/src/shaders/h264/ildb/Transpose_Left_Y_4x16.asm
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/*
 * Copyright © <2010>, 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, sub license, 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
 *
 * This file was originally licensed under the following license
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
//	Transpose left MB 4x16 to 16x4
//  Assume source is LEFT_TEMP_B, and detination is PREV_MB_YB


//	Input received from dport:
//	+-----------------------+-----------------------+-----------------------+-----------------------+
//	|73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00|
//	+-----------------------+-----------------------+-----------------------+-----------------------+
//	|f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80|
//	+-----------------------+-----------------------+-----------------------+-----------------------+

//	Output of transpose:		<1>	<= <32;8,4>
//	+-----------------------+-----------------------+-----------------------+-----------------------+
//	|f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00|
//	+-----------------------+-----------------------+-----------------------+-----------------------+
//	|f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02|
//	+-----------------------+-----------------------+-----------------------+-----------------------+

	// Transpose the data, also occupy 2 GRFs
	mov (16)	PREV_MB_YB(0)<1>			LEFT_TEMP_B(0, 0)<32;8,4>		{ NoDDClr }
	mov (16)	PREV_MB_YB(0, 16)<1>		LEFT_TEMP_B(0, 1)<32;8,4>		{ NoDDChk }
	mov (16)	PREV_MB_YB(1)<1>			LEFT_TEMP_B(0, 2)<32;8,4>		{ NoDDClr }
	mov (16)	PREV_MB_YB(1, 16)<1>		LEFT_TEMP_B(0, 3)<32;8,4>		{ NoDDChk }