; Port on Texas Instruments TMS320C6x architecture | |
; | |
; Copyright (C) 2006, 2009, 2010 Texas Instruments Incorporated | |
; Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) | |
; | |
; This program is free software; you can redistribute it and/or modify | |
; it under the terms of the GNU General Public License version 2 as | |
; published by the Free Software Foundation. | |
; | |
#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) |