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authorMike Frysinger <vapier@gentoo.org>2014-02-15 22:07:25 -0500
committerMike Frysinger <vapier@gentoo.org>2014-02-16 01:12:38 -0500
commitc70a4b1db0cf5e813ae24b0fa96a352399eb6edf (patch)
tree5a36b0f0955682ae5232907d04fdf68589990783 /ports/sysdeps/ia64/strncpy.S
parent591aeaf7a99bc9aa9179f013114d92496952dced (diff)
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ia64: relocate out of ports/ subdir
Diffstat (limited to 'ports/sysdeps/ia64/strncpy.S')
-rw-r--r--ports/sysdeps/ia64/strncpy.S231
1 files changed, 0 insertions, 231 deletions
diff --git a/ports/sysdeps/ia64/strncpy.S b/ports/sysdeps/ia64/strncpy.S
deleted file mode 100644
index 80f93f185c..0000000000
--- a/ports/sysdeps/ia64/strncpy.S
+++ /dev/null
@@ -1,231 +0,0 @@
-/* Optimized version of the standard strncpy() function.
-   This file is part of the GNU C Library.
-   Copyright (C) 2000-2014 Free Software Foundation, Inc.
-   Contributed by Dan Pop <Dan.Pop@cern.ch>
-	      and Jakub Jelinek <jakub@redhat.com>.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* Return: dest
-
-   Inputs:
-	in0:    dest
-	in1:    src
-	in2:	len
-
-   In this form, it assumes little endian mode.
- */
-
-#include <sysdep.h>
-#undef ret
-
-#define saved_lc	r15
-#define saved_pr	r16
-#define thresh		r17
-#define dest		r18
-#define dest2		r19
-#define src		r20
-#define len		r21
-#define asrc		r22
-#define tmp		r23
-#define pos		r24
-#define w0		r25
-#define w1		r26
-#define c		r27
-#define sh2		r28
-#define	sh1		r29
-#define loopcnt		r30
-#define	value		r31
-
-ENTRY(strncpy)
-	.prologue
-	alloc 	r2 = ar.pfs, 3, 0, 29, 32
-
-#define MEMLAT 2
-	.rotr	r[MEMLAT + 2]
-	.rotp	p[MEMLAT + 1]
-
-	mov	ret0 = in0		// return value = dest
-	.save pr, saved_pr
-	mov	saved_pr = pr           // save the predicate registers
-	.save ar.lc, saved_lc
-	mov 	saved_lc = ar.lc	// save the loop counter
-	mov	ar.ec = 0		// ec is not guaranteed to
-					// be zero upon function entry
-	.body
-	cmp.geu p6, p5 = 24, in2
-(p6)	br.cond.spnt .short_len
-	sub	tmp = r0, in0 ;;	// tmp = -dest
-	mov	len = in2		// len
-	mov 	dest = in0		// dest
-	mov 	src = in1		// src
-	and	tmp = 7, tmp ;;		// loopcnt = -dest % 8
-	cmp.eq	p6, p7 = tmp, r0
-	adds	loopcnt = -1, tmp	// --loopcnt
-(p6)	br.cond.sptk .dest_aligned ;;
-	sub	len = len, tmp		// len -= -dest % 8
-	mov	ar.lc = loopcnt
-.l1:					// copy -dest % 8 bytes
-(p5)	ld1	c = [src], 1		// c = *src++
-	;;
-	st1	[dest] = c, 1		// *dest++ = c
-	cmp.ne	p5, p7 = c, r0
-	br.cloop.dptk .l1 ;;
-(p7)	br.cond.dpnt	.found0_align
-
-.dest_aligned:				// p7 should be cleared here
-	shr.u	c = len, 3		// c = len / 8
-	and	sh1 = 7, src 		// sh1 = src % 8
-	and	asrc = -8, src ;;	// asrc = src & -OPSIZ  -- align src
-	adds	c = (MEMLAT-1), c	// c = (len / 8) + MEMLAT - 1
-	sub	thresh = 8, sh1
-	mov	pr.rot = 1 << 16	// set rotating predicates
-	shl	sh1 = sh1, 3 ;;		// sh1 = 8 * (src % 8)
-	mov	ar.lc = c		// "infinite" loop
-	sub	sh2 = 64, sh1		// sh2 = 64 - sh1
-	cmp.eq  p6, p0 = sh1, r0 	// is the src aligned?
-(p6)    br.cond.sptk .src_aligned
-	adds	c = -(MEMLAT-1), c ;;	// c = (len / 8)
-	ld8	r[1] = [asrc],8
-	mov	ar.lc = c ;;
-
-	.align	32
-.l2:
-(p6)	st8	[dest] = value, 8	// store val to dest
-	ld8.s	r[0] = [asrc], 8
-	shr.u	value = r[1], sh1 ;; 	// value = w0 >> sh1
-	czx1.r	pos = value ;;		// do we have an "early" zero
-	cmp.lt	p7, p0 = pos, thresh	// in w0 >> sh1?
-	adds	len = -8, len		// len -= 8
-(p7)	br.cond.dpnt .nonalign_found0
-	chk.s	r[0], .recovery2	// it is safe to do that only
-.back2:					// after the previous test
-	shl	tmp = r[0], sh2  	// tmp = w1 << sh2
-	;;
-	or	value = value, tmp ;;	// value |= tmp
-	czx1.r	pos = value ;;
-	cmp.ne	p7, p6 = 8, pos
-(p7)	br.cond.dpnt .nonalign_found0
-	br.ctop.dptk    .l2 ;;
-	adds	len = 8, len
-	br.cond.sptk	.not_found0 ;;
-.nonalign_found0:
-	cmp.gtu	p6, p0 = -8, len
-(p6)	br.cond.dptk .found0
-	adds	len = 8, len
-	br.cond.sptk	.not_found0 ;;
-
-	.align	32
-.src_aligned:
-.l3:
-(p[0])		ld8.s	r[0] = [src], 8
-(p[MEMLAT])	chk.s	r[MEMLAT], .recovery3
-.back3:
-(p[MEMLAT])	mov	value = r[MEMLAT]
-(p[MEMLAT])	czx1.r	pos = r[MEMLAT] ;;
-(p[MEMLAT])	cmp.ne	p7, p0 = 8, pos
-(p[MEMLAT])	adds	len = -8, len	// len -= 8
-(p7)		br.cond.dpnt .found0
-(p[MEMLAT])	st8	[dest] = r[MEMLAT], 8
-		br.ctop.dptk .l3 ;;
-
-	chk.s	r[MEMLAT-1], .recovery4
-.back4:
-	mov	value = r[MEMLAT-1]
-
-.not_found0:
-	cmp.eq	p5, p6 = len, r0
-	adds	len = -1, len
-(p5)	br.cond.dptk	.restore_and_exit ;;
-	mov	ar.lc = len
-.l4:
-(p6)	extr.u	c = value, 0, 8		// c = value & 0xff
-(p6)	shr.u	value = value, 8 ;;
-	st1	[dest] = c, 1
-	cmp.ne	p6, p0 = c, r0
-	br.cloop.dptk	.l4
-	br.cond.sptk	.restore_and_exit
-
-.found0_align:
-	mov	pos = 0
-	adds	len = -8, len
-	mov	value = 0 ;;
-.found0:
-	shl	tmp = pos, 3
-	shr.u	loopcnt = len, 4	// loopcnt = len / 16
-	mov	c = -1 ;;
-	cmp.eq	p6, p0 = loopcnt, r0
-	adds	loopcnt = -1, loopcnt
-	shl	c = c, tmp ;;
-	and	len = 0xf, len
-	andcm	value = value, c
-	mov	ar.lc = loopcnt ;;
-	cmp.le	p7, p0 = 8, len
-	adds	dest2 = 16, dest
-	st8	[dest] = value, 8
-	and	len = 0x7, len
-(p6)	br.cond.dpnt	.l6 ;;
-.l5:
-	st8	[dest] = r0, 16
-	st8	[dest2] = r0, 16
-	br.cloop.dptk	.l5 ;;
-.l6:
-(p7)	st8	[dest] = r0, 8
-	cmp.eq	p5, p0 = len, r0
-	adds	len = -1, len
-(p5)	br.cond.dptk .restore_and_exit ;;
-	mov	ar.lc = len ;;
-.l7:
-	st1	[dest] = r0, 1
-	br.cloop.dptk	.l7 ;;
-.restore_and_exit:
-	mov 	ar.lc = saved_lc	// restore the loop counter
-	mov	pr = saved_pr, -1	// restore the predicate registers
-	br.ret.sptk.many b0
-
-.short_len:
-	cmp.eq	p5, p0 = in2, r0
-	adds	loopcnt = -1, in2
-(p5)	br.cond.spnt .restore_and_exit ;;
-	mov	ar.lc = loopcnt		// p6 should be set when we get here
-.l8:
-(p6)	ld1	c = [in1], 1		// c = *src++
-	;;
-	st1	[in0] = c, 1		// *dest++ = c
-(p6)	cmp.ne	p6, p0 = c, r0
-	br.cloop.dptk .l8
-	;;
-	mov 	ar.lc = saved_lc	// restore the loop counter
-	mov	pr = saved_pr, -1	// restore the predicate registers
-	br.ret.sptk.many b0
-.recovery2:
-	add	c = 8, len
-	add	tmp = -8, asrc ;;
-	cmp.gtu	p8, p5 = c, thresh ;;
-(p8)	ld8	r[0] = [tmp]
-(p5)	mov	r[0] = r0
-	br.cond.sptk .back2
-.recovery3:
-	add	tmp = -(MEMLAT + 1) * 8, src ;;
-	ld8	r[MEMLAT] = [tmp]
-	br.cond.sptk .back3
-.recovery4:
-	cmp.eq	p5, p6 = len, r0
-	add	tmp = -MEMLAT * 8, src ;;
-(p6)	ld8	r[MEMLAT - 1] = [tmp]
-(p5)	mov	r[MEMLAT - 1] = r0
-	br.cond.sptk .back4
-END(strncpy)
-libc_hidden_builtin_def (strncpy)