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| author | Paul Mundt <lethal@linux-sh.org> | 2012-01-12 08:11:43 +0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-01-12 08:11:43 +0400 |
| commit | b1bdd255661369cb6eb90b6e181169b5e6d0f9b6 (patch) | |
| tree | 17d15f3a6dc5bdd6205070dbef0e339421b13d25 /arch/c6x/lib/memcpy_64plus.S | |
| parent | 9d14070f656addddce3d63fd483de46930b51850 (diff) | |
| parent | c1537b4863da620f12f5b42ece61bf65314148ed (diff) | |
| download | linux-b1bdd255661369cb6eb90b6e181169b5e6d0f9b6.tar.xz | |
Merge branch 'sh/nommu' into sh-latest
Diffstat (limited to 'arch/c6x/lib/memcpy_64plus.S')
| -rw-r--r-- | arch/c6x/lib/memcpy_64plus.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/c6x/lib/memcpy_64plus.S b/arch/c6x/lib/memcpy_64plus.S new file mode 100644 index 000000000000..0bbc2cbf9318 --- /dev/null +++ b/arch/c6x/lib/memcpy_64plus.S @@ -0,0 +1,46 @@ +; 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) |