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/*
* Copyright © <2010>, Intel Corporation.
*
* This program is licensed under the terms and conditions of the
* Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
* http://www.opensource.org/licenses/eclipse-1.0.php.
*
*/
// Module name: save_Top_Y_16x4.asm
//
// Save a Y 16x4 block
//
//----------------------------------------------------------------
// Symbols need to be defined before including this module
//
// Source region in :ud
// SRC_YD: SRC_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 2 GRFs
//
// Binding table index:
// BI_DEST_Y: Binding table index of Y surface
//
//----------------------------------------------------------------
#if defined(_DEBUG)
mov (1) EntrySignatureC:w 0xDDD5:w
#endif
#if defined(_FIELD)
and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag
#endif
mov (2) MSGSRC.0<1>:ud ORIX_TOP<2;2,1>:w { NoDDClr } // Block origin
mov (1) MSGSRC.2<1>:ud 0x0003000F:ud { NoDDChk } // Block width and height (16x4)
// Pack Y
mov (16) MSGPAYLOADD(0)<1> TOP_MB_YD(0) // Compressed inst
#if defined(_PROGRESSIVE)
mov (1) MSGDSC MSG_LEN(2)+DWBWMSGDSC_WC+BI_DEST_Y:ud
// send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DWBWMSGDSC+0x00200000+BI_DEST_Y
#endif
#if defined(_FIELD)
// Field picture
(f0.1) mov (1) MSGDSC MSG_LEN(2)+DWBWMSGDSC_WC+ENMSGDSCBF+BI_DEST_Y:ud // Write 2 GRFs to DEST_Y bottom field
(-f0.1) mov (1) MSGDSC MSG_LEN(2)+DWBWMSGDSC_WC+ENMSGDSCTF+BI_DEST_Y:ud // Write 2 GRFs to DEST_Y top field
#endif
send (8) WritebackResponse(0)<1> MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC
// End of save_Top_Y_16x4.asm
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