Move m68k from ports to libc

1 files changed, 0 insertions, 168 deletions

diff --git a/ports/sysdeps/m68k/m680x0/lshift.S b/ports/sysdeps/m68k/m680x0/lshift.S
deleted file mode 100644
index f7724f4514..0000000000
--- a/ports/sysdeps/m68k/m680x0/lshift.S
+++ /dev/null
@@ -1,168 +0,0 @@
-/* mc68020 __mpn_lshift -- Shift left a low-level natural-number integer.
-
-Copyright (C) 1996-2014 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP 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 MP 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 MP Library.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/*
-  INPUT PARAMETERS
-  res_ptr	(sp + 4)
-  s_ptr		(sp + 8)
-  s_size	(sp + 16)
-  cnt		(sp + 12)
-*/
-
-#include "sysdep.h"
-#include "asm-syntax.h"
-
-#define res_ptr a1
-#define s_ptr a0
-#define s_size d6
-#define cnt d4
-
-	TEXT
-ENTRY(__mpn_lshift)
-
-/* Save used registers on the stack.  */
-	moveml	R(d2)-R(d6)/R(a2),MEM_PREDEC(sp)
-	cfi_adjust_cfa_offset (6*4)
-	cfi_rel_offset (R(d2), 0)
-	cfi_rel_offset (R(d3), 4)
-	cfi_rel_offset (R(d4), 8)
-	cfi_rel_offset (R(d5), 12)
-	cfi_rel_offset (R(d6), 16)
-	cfi_rel_offset (R(a2), 20)
-
-/* Copy the arguments to registers.  */
-	movel	MEM_DISP(sp,28),R(res_ptr)
-	movel	MEM_DISP(sp,32),R(s_ptr)
-	movel	MEM_DISP(sp,36),R(s_size)
-	movel	MEM_DISP(sp,40),R(cnt)
-
-	moveql	#1,R(d5)
-	cmpl	R(d5),R(cnt)
-	bne	L(Lnormal)
-	cmpl	R(s_ptr),R(res_ptr)
-	bls	L(Lspecial)		/* jump if s_ptr >= res_ptr */
-#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
-	lea	MEM_INDX1(s_ptr,s_size,l,4),R(a2)
-#else /* not mc68020 */
-	movel	R(s_size),R(d0)
-	asll	#2,R(d0)
-	lea	MEM_INDX(s_ptr,d0,l),R(a2)
-#endif
-	cmpl	R(res_ptr),R(a2)
-	bls	L(Lspecial)		/* jump if res_ptr >= s_ptr + s_size */
-
-L(Lnormal:)
-	moveql	#32,R(d5)
-	subl	R(cnt),R(d5)
-
-#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
-	lea	MEM_INDX1(s_ptr,s_size,l,4),R(s_ptr)
-	lea	MEM_INDX1(res_ptr,s_size,l,4),R(res_ptr)
-#else /* not mc68000 */
-	movel	R(s_size),R(d0)
-	asll	#2,R(d0)
-	addl	R(s_size),R(s_ptr)
-	addl	R(s_size),R(res_ptr)
-#endif
-	movel	MEM_PREDEC(s_ptr),R(d2)
-	movel	R(d2),R(d0)
-	lsrl	R(d5),R(d0)		/* compute carry limb */
-
-	lsll	R(cnt),R(d2)
-	movel	R(d2),R(d1)
-	subql	#1,R(s_size)
-	beq	L(Lend)
-	lsrl	#1,R(s_size)
-	bcs	L(L1)
-	subql	#1,R(s_size)
-
-L(Loop:)
-	movel	MEM_PREDEC(s_ptr),R(d2)
-	movel	R(d2),R(d3)
-	lsrl	R(d5),R(d3)
-	orl	R(d3),R(d1)
-	movel	R(d1),MEM_PREDEC(res_ptr)
-	lsll	R(cnt),R(d2)
-L(L1:)
-	movel	MEM_PREDEC(s_ptr),R(d1)
-	movel	R(d1),R(d3)
-	lsrl	R(d5),R(d3)
-	orl	R(d3),R(d2)
-	movel	R(d2),MEM_PREDEC(res_ptr)
-	lsll	R(cnt),R(d1)
-
-	dbf	R(s_size),L(Loop)
-	subl	#0x10000,R(s_size)
-	bcc	L(Loop)
-
-L(Lend:)
-	movel	R(d1),MEM_PREDEC(res_ptr) /* store least significant limb */
-
-/* Restore used registers from stack frame.  */
-	moveml	MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
-	cfi_remember_state
-	cfi_adjust_cfa_offset (-6*4)
-	cfi_restore (R(d2))
-	cfi_restore (R(d3))
-	cfi_restore (R(d4))
-	cfi_restore (R(d5))
-	cfi_restore (R(d6))
-	cfi_restore (R(a2))
-	rts
-
-/* We loop from least significant end of the arrays, which is only
-   permissible if the source and destination don't overlap, since the
-   function is documented to work for overlapping source and destination.  */
-
-	cfi_restore_state
-L(Lspecial:)
-	clrl	R(d0)			/* initialize carry */
-	eorw	#1,R(s_size)
-	lsrl	#1,R(s_size)
-	bcc	L(LL1)
-	subql	#1,R(s_size)
-
-L(LLoop:)
-	movel	MEM_POSTINC(s_ptr),R(d2)
-	addxl	R(d2),R(d2)
-	movel	R(d2),MEM_POSTINC(res_ptr)
-L(LL1:)
-	movel	MEM_POSTINC(s_ptr),R(d2)
-	addxl	R(d2),R(d2)
-	movel	R(d2),MEM_POSTINC(res_ptr)
-
-	dbf	R(s_size),L(LLoop)
-	addxl	R(d0),R(d0)		/* save cy in lsb */
-	subl	#0x10000,R(s_size)
-	bcs	L(LLend)
-	lsrl	#1,R(d0)		/* restore cy */
-	bra	L(LLoop)
-
-L(LLend:)
-/* Restore used registers from stack frame.  */
-	moveml	MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
-	cfi_adjust_cfa_offset (-6*4)
-	cfi_restore (R(d2))
-	cfi_restore (R(d3))
-	cfi_restore (R(d4))
-	cfi_restore (R(d5))
-	cfi_restore (R(d6))
-	cfi_restore (R(a2))
-	rts
-END(__mpn_lshift)