diff options
-rw-r--r-- | sys/lib/libkern/arch/hppa/Makefile.inc | 6 | ||||
-rw-r--r-- | sys/lib/libkern/arch/hppa/ffs.S | 54 |
2 files changed, 3 insertions, 57 deletions
diff --git a/sys/lib/libkern/arch/hppa/Makefile.inc b/sys/lib/libkern/arch/hppa/Makefile.inc index 8ebc6ee0c5d..a76622bfc8c 100644 --- a/sys/lib/libkern/arch/hppa/Makefile.inc +++ b/sys/lib/libkern/arch/hppa/Makefile.inc @@ -1,11 +1,11 @@ -# $OpenBSD: Makefile.inc,v 1.11 2000/06/29 16:39:47 mickey Exp $ +# $OpenBSD: Makefile.inc,v 1.12 2000/07/02 01:05:11 mickey Exp $ SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ random.c ashrdi3.c divdi3.c strncpy.c strncmp.c strcmp.c memchr.c \ memcmp.c memset.c strlen.c strcpy.c strcat.c skpc.c strncasecmp.c \ - bcmp.c scanc.c + bcmp.c scanc.c ffs.c -SRCS+= milli.S ffs.S +SRCS+= milli.S OBJS+= bzero.o SRCS+= bcopy.S spcopy.S diff --git a/sys/lib/libkern/arch/hppa/ffs.S b/sys/lib/libkern/arch/hppa/ffs.S deleted file mode 100644 index 65cd6a769dc..00000000000 --- a/sys/lib/libkern/arch/hppa/ffs.S +++ /dev/null @@ -1,54 +0,0 @@ -/* $OpenBSD: ffs.S,v 1.2 1999/05/09 18:49:10 mickey Exp $ */ - -/* - * Copyright (c) 1990, 1991, 1992, 1994, The University of Utah and - * the Computer Systems Laboratory at the University of Utah (CSL). - * All rights reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - * - */ - -#include <machine/asm.h> - -/* - * ffs(bitmask) - * - * Return the position of the "most significant" bit in `bitmask'. - * Since this is similar to the VAX ffs instruction, bits in a word - * are numbered as "32, 31, ... 1", 0 is returned if no bits are set. - */ - -ENTRY(ffs) - comb,= arg0,r0,ffsdone ; If arg0 is 0 - or r0,r0,ret0 ; return 0 - ldi 32,ret0 ; Set return to high bit - extru,= arg0,31,16,r0 ; If low 16 bits are non-zero - addi,tr -16,ret0,ret0 ; subtract 16 from bitpos - shd r0,arg0,16,arg0 ; else shift right 16 bits - extru,= arg0,31,8,r0 ; If low 8 bits are non-zero - addi,tr -8,ret0,ret0 ; subtract 8 from bitpos - shd r0,arg0,8,arg0 ; else shift right 8 bits - extru,= arg0,31,4,r0 ; If low 4 bits are non-zero - addi,tr -4,ret0,ret0 ; subtract 4 from bitpos - shd r0,arg0,4,arg0 ; else shift right 4 bits - extru,= arg0,31,2,r0 ; If low 2 bits are non-zero - addi,tr -2,ret0,ret0 ; subtract 2 from bitpos - shd r0,arg0,2,arg0 ; else shift right 2 bits - extru,= arg0,31,1,r0 ; If low bit is non-zero - addi -1,ret0,ret0 ; subtract 1 from bitpos -ffsdone: - bv 0(rp) - nop -EXIT(ffs) |