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43 lines
823 B
43 lines
823 B
; SPDX-License-Identifier: GPL-2.0-only |
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; Port on Texas Instruments TMS320C6x architecture |
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; |
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; Copyright (C) 2006, 2009, 2010 Texas Instruments Incorporated |
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; Author: Aurelien Jacquiot ([email protected]) |
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; |
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#include <linux/linkage.h> |
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.text |
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ENTRY(memcpy) |
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AND .L1 0x1,A6,A0 |
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|| AND .S1 0x2,A6,A1 |
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|| AND .L2X 0x4,A6,B0 |
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|| MV .D1 A4,A3 |
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|| MVC .S2 ILC,B2 |
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[A0] LDB .D2T1 *B4++,A5 |
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[A1] LDB .D2T1 *B4++,A7 |
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[A1] LDB .D2T1 *B4++,A8 |
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[B0] LDNW .D2T1 *B4++,A9 |
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|| SHRU .S2X A6,0x3,B1 |
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[!B1] BNOP .S2 B3,1 |
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[A0] STB .D1T1 A5,*A3++ |
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||[B1] MVC .S2 B1,ILC |
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[A1] STB .D1T1 A7,*A3++ |
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[A1] STB .D1T1 A8,*A3++ |
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[B0] STNW .D1T1 A9,*A3++ ; return when len < 8 |
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SPLOOP 2 |
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LDNDW .D2T1 *B4++,A9:A8 |
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NOP 3 |
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NOP |
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SPKERNEL 0,0 |
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|| STNDW .D1T1 A9:A8,*A3++ |
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BNOP .S2 B3,4 |
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MVC .S2 B2,ILC |
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ENDPROC(memcpy)
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