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authorRoman Zippel <zippel@linux-m68k.org>2005-09-03 18:57:10 -0400
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 03:06:19 -0400
commit072dffda1d35c391fe893ec9b1d098145e668fef (patch)
tree2eee1530619abb7cf751db022216ab483e6fc823 /arch/m68k/lib/memset.c
parent2855b97020f6d4a4dfb005fb77c0b79c8cb9d13f (diff)
[PATCH] m68k: cleanup inline mem functions
Use the builtin functions for memset/memclr/memcpy, special optimizations for page operations have dedicated functions now. Uninline memmove/memchr and move all functions into a single file and clean it up a little. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/m68k/lib/memset.c')
-rw-r--r--arch/m68k/lib/memset.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/m68k/lib/memset.c b/arch/m68k/lib/memset.c
deleted file mode 100644
index d55fdb2ee9d3..000000000000
--- a/arch/m68k/lib/memset.c
+++ /dev/null
@@ -1,68 +0,0 @@
1#include <linux/types.h>
2
3void * memset(void * s, int c, size_t count)
4{
5 void *xs = s;
6 size_t temp, temp1;
7
8 if (!count)
9 return xs;
10 c &= 0xff;
11 c |= c << 8;
12 c |= c << 16;
13 if ((long) s & 1)
14 {
15 char *cs = s;
16 *cs++ = c;
17 s = cs;
18 count--;
19 }
20 if (count > 2 && (long) s & 2)
21 {
22 short *ss = s;
23 *ss++ = c;
24 s = ss;
25 count -= 2;
26 }
27 temp = count >> 2;
28 if (temp)
29 {
30 long *ls = s;
31
32 __asm__ __volatile__("movel %1,%2\n\t"
33 "andw #7,%2\n\t"
34 "lsrl #3,%1\n\t"
35 "negw %2\n\t"
36 "jmp %%pc@(2f,%2:w:2)\n\t"
37 "1:\t"
38 "movel %3,%0@+\n\t"
39 "movel %3,%0@+\n\t"
40 "movel %3,%0@+\n\t"
41 "movel %3,%0@+\n\t"
42 "movel %3,%0@+\n\t"
43 "movel %3,%0@+\n\t"
44 "movel %3,%0@+\n\t"
45 "movel %3,%0@+\n\t"
46 "2:\t"
47 "dbra %1,1b\n\t"
48 "clrw %1\n\t"
49 "subql #1,%1\n\t"
50 "jpl 1b\n\t"
51 : "=a" (ls), "=d" (temp), "=&d" (temp1)
52 : "d" (c), "0" (ls), "1" (temp)
53 );
54 s = ls;
55 }
56 if (count & 2)
57 {
58 short *ss = s;
59 *ss++ = c;
60 s = ss;
61 }
62 if (count & 1)
63 {
64 char *cs = s;
65 *cs = c;
66 }
67 return xs;
68}