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authorRoman Zippel <zippel@linux-m68k.org>2005-09-03 15:57:10 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:19 -0700
commit072dffda1d35c391fe893ec9b1d098145e668fef (patch)
tree2eee1530619abb7cf751db022216ab483e6fc823 /arch/m68k/lib/memset.c
parent2855b97020f6d4a4dfb005fb77c0b79c8cb9d13f (diff)
downloadop-kernel-dev-072dffda1d35c391fe893ec9b1d098145e668fef.zip
op-kernel-dev-072dffda1d35c391fe893ec9b1d098145e668fef.tar.gz
[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 d55fdb2..0000000
--- a/arch/m68k/lib/memset.c
+++ /dev/null
@@ -1,68 +0,0 @@
-#include <linux/types.h>
-
-void * memset(void * s, int c, size_t count)
-{
- void *xs = s;
- size_t temp, temp1;
-
- if (!count)
- return xs;
- c &= 0xff;
- c |= c << 8;
- c |= c << 16;
- if ((long) s & 1)
- {
- char *cs = s;
- *cs++ = c;
- s = cs;
- count--;
- }
- if (count > 2 && (long) s & 2)
- {
- short *ss = s;
- *ss++ = c;
- s = ss;
- count -= 2;
- }
- temp = count >> 2;
- if (temp)
- {
- long *ls = s;
-
- __asm__ __volatile__("movel %1,%2\n\t"
- "andw #7,%2\n\t"
- "lsrl #3,%1\n\t"
- "negw %2\n\t"
- "jmp %%pc@(2f,%2:w:2)\n\t"
- "1:\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "movel %3,%0@+\n\t"
- "2:\t"
- "dbra %1,1b\n\t"
- "clrw %1\n\t"
- "subql #1,%1\n\t"
- "jpl 1b\n\t"
- : "=a" (ls), "=d" (temp), "=&d" (temp1)
- : "d" (c), "0" (ls), "1" (temp)
- );
- s = ls;
- }
- if (count & 2)
- {
- short *ss = s;
- *ss++ = c;
- s = ss;
- }
- if (count & 1)
- {
- char *cs = s;
- *cs = c;
- }
- return xs;
-}
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