diff options
| author |   miod <miod@openbsd.org> | 2004-01-26 20:05:29 +0000 |
|---|---|---|
| committer | miod <miod@openbsd.org> | 2004-01-26 20:05:29 +0000 |
| commit | 15d1ec5d30ceebc4c1addb2e30309472c3d7f876 (patch) | |
| tree | 9a24d3964e959b5202d3594b7ce4736df3636da5 /lib/libc | |
| parent | add finalized guard to destructor calls, to prevent multiple calls. (diff) | |
| download | wireguard-openbsd-15d1ec5d30ceebc4c1addb2e30309472c3d7f876.tar.xz wireguard-openbsd-15d1ec5d30ceebc4c1addb2e30309472c3d7f876.zip | |
Use libkern's fast ffs() in libc too.
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/arch/m88k/string/Makefile.inc | 4 | ||||
| -rw-r--r-- | lib/libc/arch/m88k/string/ffs.S | 16 |
2 files changed, 18 insertions, 2 deletions
diff --git a/lib/libc/arch/m88k/string/Makefile.inc b/lib/libc/arch/m88k/string/Makefile.inc index e40cf017c08..7b2bddad6c5 100644 --- a/lib/libc/arch/m88k/string/Makefile.inc +++ b/lib/libc/arch/m88k/string/Makefile.inc @@ -1,7 +1,7 @@ -# $OpenBSD: Makefile.inc,v 1.3 2002/05/17 06:58:20 miod Exp $ +# $OpenBSD: Makefile.inc,v 1.4 2004/01/26 20:05:29 miod Exp $ # $NetBSD: Makefile.inc,v 1.1 1995/03/20 14:45:45 mycroft Exp $ -SRCS+= bcmp.c bcopy.c bzero.c ffs.c index.c memchr.c memcmp.c memset.c \ +SRCS+= bcmp.c bcopy.c bzero.c ffs.S index.c memchr.c memcmp.c memset.c \ rindex.c strcat.c strcmp.c strcpy.c strcspn.c strlcpy.c strlen.c \ strncat.c strncmp.c strncpy.c strpbrk.c strsep.c \ strspn.c strstr.c swab.c diff --git a/lib/libc/arch/m88k/string/ffs.S b/lib/libc/arch/m88k/string/ffs.S new file mode 100644 index 00000000000..b851d315749 --- /dev/null +++ b/lib/libc/arch/m88k/string/ffs.S @@ -0,0 +1,16 @@ +/* $OpenBSD: ffs.S,v 1.1 2004/01/26 20:05:29 miod Exp $ */ + +/* + * Written by Miodrag Vallat, 2004 - Public Domain + */ + +#include "DEFS.h" + +ENTRY(ffs) + bcnd eq0, r2, 1f /* ff1(0) = 32, treat differently */ + ff1 r3, r2 + jmp.n r1 + add r2, r3, 1 /* ff1 returns 0-31, need to increment */ +1: + jmp.n r1 + or r2, r0, r0 |