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-rw-r--r--sysdeps/ia64/memccpy.S250
1 files changed, 0 insertions, 250 deletions
diff --git a/sysdeps/ia64/memccpy.S b/sysdeps/ia64/memccpy.S
deleted file mode 100644
index dd638d43c8..0000000000
--- a/sysdeps/ia64/memccpy.S
+++ /dev/null
@@ -1,250 +0,0 @@
-/* Optimized version of the memccpy() function.
-   This file is part of the GNU C Library.
-   Copyright (C) 2000,2001,2003,2006 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: a pointer to the next byte after char in dest or NULL
-
-   Inputs:
-        in0:    dest
-        in1:    src
-  	in2:	char
-        in3:    byte count
-
-   This implementation assumes little endian mode (UM.be = 0).
-
-   This implementation assumes that it is safe to do read ahead
-   in the src block, without getting beyond its limit.  */
-
-#include <sysdep.h>
-#undef ret
-
-#define OP_T_THRES 	16
-#define OPSIZ 		8
-
-#define saved_pr	r17
-#define saved_lc	r18
-#define dest		r19
-#define src		r20
-#define len		r21
-#define asrc		r22
-#define tmp		r23
-#define char		r24
-#define charx8		r25
-#define saved_ec	r26
-#define sh2		r28
-#define	sh1		r29
-#define loopcnt		r30
-#define	value		r31
-
-#ifdef GAS_ALIGN_BREAKS_UNWIND_INFO
-/* Manually force proper loop-alignment.  Note: be sure to
-   double-check the code-layout after making any changes to
-   this routine! */
-# define ALIGN(n)	{ nop 0 }
-#else
-# define ALIGN(n)	.align n
-#endif
-
-ENTRY(memccpy)
-	.prologue
-	alloc 	r2 = ar.pfs, 4, 40 - 4, 0, 40
-
-#include "softpipe.h"
-	.rotr	r[MEMLAT + 7], tmp1[4], tmp2[4], val[4], tmp3[2], pos0[2]
-	.rotp	p[MEMLAT + 6 + 1]
-
-	mov	ret0 = r0		// return NULL if no match
-	.save pr, saved_pr
-	mov	saved_pr = pr		// save the predicate registers
-	mov 	dest = in0		// dest
-	.save ar.lc, saved_lc
-        mov 	saved_lc = ar.lc	// save the loop counter
-        mov 	saved_ec = ar.ec	// save the loop counter
-	.body
-	mov 	src = in1		// src
-	extr.u	char = in2, 0, 8	// char
-	mov	len = in3		// len
-	sub	tmp = r0, in0		// tmp = -dest
-	cmp.ne	p7, p0 = r0, r0		// clear p7
-	;;
-	and	loopcnt = 7, tmp	// loopcnt = -dest % 8
-	cmp.ge	p6, p0 = OP_T_THRES, len	// is len <= OP_T_THRES
-	mov	ar.ec = 0		// ec not guaranteed zero on entry
-(p6)	br.cond.spnt	.cpyfew		// copy byte by byte
-	;;
-	cmp.eq	p6, p0 = loopcnt, r0
-	mux1	charx8 = char, @brcst
-(p6)	br.cond.sptk .dest_aligned
-	sub	len = len, loopcnt	// len -= -dest % 8
-	adds	loopcnt = -1, loopcnt	// --loopcnt
-	;;
-	mov	ar.lc = loopcnt
-.l1:					// copy -dest % 8 bytes
-	ld1	value = [src], 1	// value = *src++
-	;;
-	st1	[dest] = value, 1	// *dest++ = value
-	cmp.eq	p6, p0 = value, char
-(p6)	br.cond.spnt .foundit
-	br.cloop.dptk .l1
-.dest_aligned:
-	and	sh1 = 7, src 		// sh1 = src % 8
-	and	tmp = -8, len   	// tmp = len & -OPSIZ
-	and	asrc = -8, src		// asrc = src & -OPSIZ  -- align src
-	shr.u	loopcnt = len, 3	// loopcnt = len / 8
-	and	len = 7, len ;;		// len = len % 8
-	shl	sh1 = sh1, 3		// sh1 = 8 * (src % 8)
-	adds	loopcnt = -1, loopcnt	// --loopcnt
-	mov     pr.rot = 1 << 16 ;;	// set rotating predicates
-	sub	sh2 = 64, sh1		// sh2 = 64 - sh1
-	mov	ar.lc = loopcnt		// set LC
-	cmp.eq  p6, p0 = sh1, r0 	// is the src aligned?
-(p6)    br.cond.sptk .src_aligned ;;
-	add	src = src, tmp		// src += len & -OPSIZ
-	mov	ar.ec = MEMLAT + 6 + 1 	// six more passes needed
-	ld8	r[1] = [asrc], 8 	// r[1] = w0
-	cmp.ne	p6, p0 = r0, r0	;;	// clear p6
-	ALIGN(32)
-.l2:
-(p[0])		ld8.s	r[0] = [asrc], 8		// r[0] = w1
-(p[MEMLAT])	shr.u	tmp1[0] = r[1 + MEMLAT], sh1	// tmp1 = w0 >> sh1
-(p[MEMLAT])	shl	tmp2[0] = r[0 + MEMLAT], sh2  	// tmp2 = w1 << sh2
-(p[MEMLAT+4])	xor	tmp3[0] = val[1], charx8
-(p[MEMLAT+5])	czx1.r	pos0[0] = tmp3[1]
-(p[MEMLAT+6])	chk.s	r[6 + MEMLAT], .recovery1	// our data isn't
-							// valid - rollback!
-(p[MEMLAT+6])	cmp.ne	p6, p0 = 8, pos0[1]
-(p6)		br.cond.spnt	.gotit
-(p[MEMLAT+6])	st8	[dest] = val[3], 8		// store val to dest
-(p[MEMLAT+3])	or	val[0] = tmp1[3], tmp2[3] 	// val = tmp1 | tmp2
-		br.ctop.sptk    .l2
-		br.cond.sptk .cpyfew
-
-.src_aligned:
-		cmp.ne  p6, p0 = r0, r0			// clear p6
-		mov     ar.ec = MEMLAT + 2 + 1 ;;	// set EC
-.l3:
-(p[0])		ld8.s	r[0] = [src], 8
-(p[MEMLAT])	xor	tmp3[0] = r[MEMLAT], charx8
-(p[MEMLAT+1])	czx1.r	pos0[0] = tmp3[1]
-(p[MEMLAT+2])	cmp.ne	p7, p0 = 8, pos0[1]
-(p[MEMLAT+2])	chk.s	r[MEMLAT+2], .recovery2
-(p7)		br.cond.spnt	.gotit
-.back2:
-(p[MEMLAT+2])	st8	[dest] = r[MEMLAT+2], 8
-		br.ctop.dptk .l3
-.cpyfew:
-	cmp.eq	p6, p0 = len, r0	// is len == 0 ?
-	adds	len = -1, len		// --len;
-(p6)	br.cond.spnt	.restore_and_exit ;;
-	mov	ar.lc = len
-.l4:
-	ld1	value = [src], 1
-	;;
-	st1	[dest] = value, 1
-	cmp.eq	p6, p0 = value, char
-(p6)	br.cond.spnt .foundit
-	br.cloop.dptk	.l4 ;;
-.foundit:
-(p6)	mov	ret0 = dest
-.restore_and_exit:
-	mov     pr = saved_pr, -1    	// restore the predicate registers
-	mov 	ar.lc = saved_lc	// restore the loop counter
-	mov 	ar.ec = saved_ec ;;	// restore the epilog counter
-	br.ret.sptk.many b0
-.gotit:
-	.pred.rel "mutex" p6, p7
-(p6)	mov	value = val[3]		// if coming from l2
-(p7)	mov	value = r[MEMLAT+2]	// if coming from l3
-	mov	ar.lc = pos0[1] ;;
-.l5:
-	extr.u	tmp = value, 0, 8 ;;
-	st1	[dest] = tmp, 1
-	shr.u	value = value, 8
-	br.cloop.sptk .l5 ;;
-	mov 	ret0 = dest
-	mov	pr = saved_pr, -1
-	mov	ar.lc = saved_lc
-	br.ret.sptk.many b0
-
-.recovery1:
-#if MEMLAT != 6
-# error "MEMLAT must be 6!"
-#endif
-	adds	src = -8, asrc
-	mov	loopcnt = ar.lc
-	mov	tmp = ar.ec
-	;;
-(p[0])	adds	src = -8, src
-	;;
-(p[1])	adds	src = -8, src
-	sub	sh1 = (MEMLAT + 6 + 1), tmp
-	;;
-(p[2])	adds	src = -8, src
-	;;
-(p[3])	adds	src = -8, src
-	shl	loopcnt = loopcnt, 3
-	;;
-(p[4])	adds	src = -8, src
-	;;
-(p[5])	adds	src = -8, src
-	shl	sh1 = sh1, 3
-	;;
-(p[6])	adds	src = -8, src
-	;;
-(p[7])	adds	src = -8, src
-	shl	tmp = tmp, 3
-	;;
-(p[8])	adds	src = -8, src
-	;;
-(p[9])	adds	src = -8, src
-	shr.u	sh2 = sh2, 3
-	;;
-(p[10])	adds	src = -8, src
-	;;
-(p[11])	adds	src = -8, src
-	add	len = len, loopcnt
-	;;
-	sub	src = src, sh2
-	;;
-	add	len = tmp, len
-	add	src = sh1, src
-	br.cond.sptk .cpyfew
-
-.recovery2:
-#if MEMLAT != 6
-# error "MEMLAT must be 6!"
-#endif
-	add	tmp = -8, src
-(p7)	br.cond.spnt .gotit
-	;;
-(p[0])	add	tmp = -8, tmp ;;
-(p[1])	add	tmp = -8, tmp ;;
-(p[2])	add	tmp = -8, tmp ;;
-(p[3])	add	tmp = -8, tmp ;;
-(p[4])	add	tmp = -8, tmp ;;
-(p[5])	add	tmp = -8, tmp ;;
-(p[6])	add	tmp = -8, tmp ;;
-(p[7])	add	tmp = -8, tmp ;;
-	ld8	r[MEMLAT+2] = [tmp] ;;
-	xor	pos0[1] = r[MEMLAT+2], charx8 ;;
-	czx1.r	pos0[1] = pos0[1] ;;
-	cmp.ne	p7, p6 = 8, pos0[1]
-(p7)	br.cond.spnt .gotit
-	br.cond.sptk .back2
-END(memccpy)
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