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