about summary refs log tree commit diff
path: root/sysdeps/ia64/strlen.S
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@gmail.com>2012-01-07 11:19:05 -0500
committerUlrich Drepper <drepper@gmail.com>2012-01-07 11:19:05 -0500
commitd75a0a62b12c35ee85f786d5f8d155ab39909411 (patch)
treec3479d23878ef4ab05629d4a60f4f7623269c1dd /sysdeps/ia64/strlen.S
parentdcc9756b5bfbb2b97f73bad863d7e1c4002bea98 (diff)
downloadglibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.tar.gz
glibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.tar.xz
glibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.zip
Remove IA-64 support
Diffstat (limited to 'sysdeps/ia64/strlen.S')
-rw-r--r--sysdeps/ia64/strlen.S98
1 files changed, 0 insertions, 98 deletions
diff --git a/sysdeps/ia64/strlen.S b/sysdeps/ia64/strlen.S
deleted file mode 100644
index 518d86b0d2..0000000000
--- a/sysdeps/ia64/strlen.S
+++ /dev/null
@@ -1,98 +0,0 @@
-/* Optimized version of the standard strlen() function.
-   This file is part of the GNU C Library.
-   Copyright (C) 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
-   Contributed by Dan Pop <Dan.Pop@cern.ch>.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-/* Return: the length of the input string
-
-   Input:
-        in0:    str
-
-   Look for the null character byte by byte, until we reach a word aligned
-   address, then search word by word, using the czx instruction.  We're
-   also doing one word of read ahead, which could cause problems if the
-   null character is on the last word of a page and the next page is not
-   mapped in the process address space.  Hence the use of the speculative
-   load.
-
-   This implementation assumes little endian mode.  For big endian mode,
-   the instruction czx1.r should be replaced by czx1.l.  */
-
-#include <sysdep.h>
-#undef ret
-
-#define saved_lc	r18
-#define str		r19
-#define pos0		r20
-#define val1		r21
-#define val2		r22
-#define origadd		r23
-#define tmp		r24
-#define loopcnt		r30
-#define len		ret0
-
-ENTRY(strlen)
-	.prologue
-	alloc r2 = ar.pfs, 1, 0, 0, 0
-	.save ar.lc, saved_lc
-        mov 	saved_lc = ar.lc 	// save the loop counter
-	.body
-	mov 	str = in0	
-	mov 	len = r0		// len = 0
-	and 	tmp = 7, in0		// tmp = str % 8
-	;;
-	sub	loopcnt = 8, tmp	// loopcnt = 8 - tmp
-	cmp.eq	p6, p0 = tmp, r0
-(p6)	br.cond.sptk	.str_aligned;;
-	adds	loopcnt = -1, loopcnt;;
-	mov	ar.lc = loopcnt
-.l1:
-	ld1	val2 = [str], 1
-	;;
-	cmp.eq	p6, p0 = val2, r0
-(p6)	br.cond.spnt	.restore_and_exit
-	adds	len = 1, len
-	br.cloop.dptk	.l1
-.str_aligned:
-	mov	origadd = str		// origadd = orig
-	ld8	val1 = [str], 8;;
-	nop.b	0
-	nop.b 	0
-.l2:	ld8.s	val2 = [str], 8		// don't bomb out here
-	czx1.r	pos0 = val1	
-	;;
-	cmp.ne	p6, p0 = 8, pos0
-(p6)	br.cond.spnt .foundit
-	chk.s	val2, .recovery
-.back:
-	mov	val1 = val2	
-	br.cond.dptk	.l2
-.foundit:
-	sub	tmp = str, origadd	// tmp = crt address - orig
-	add	len = len, pos0;;
-	add	len = len, tmp;;
-	adds	len = -16, len
-.restore_and_exit:
-	mov ar.lc = saved_lc		// restore the loop counter
-	br.ret.sptk.many b0
-.recovery:
-	adds	str = -8, str;;
-	ld8	val2 = [str], 8		// bomb out here
-	br.cond.sptk	.back
-END(strlen)
-libc_hidden_builtin_def (strlen)