Blackfin arch: Replace C version of 64 bit multiply with hand optimized assembly

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 0 insertions, 99 deletions

diff --git a/arch/blackfin/lib/muldi3.c b/arch/blackfin/lib/muldi3.c
deleted file mode 100644
index 303d0c6a6dba..000000000000
--- a/arch/blackfin/lib/muldi3.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * File:         arch/blackfin/lib/muldi3.c
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Modified:
- *               Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifndef SI_TYPE_SIZE
-#define SI_TYPE_SIZE 32
-#endif
-#define __ll_b (1L << (SI_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((usitype) (t) % __ll_b)
-#define __ll_highpart(t) ((usitype) (t) / __ll_b)
-#define BITS_PER_UNIT 8
-
-#if !defined(umul_ppmm)
-#define umul_ppmm(w1, w0, u, v)						\
-  do {									\
-    usitype __x0, __x1, __x2, __x3;					\
-    usitype __ul, __vl, __uh, __vh;					\
-									\
-    __ul = __ll_lowpart (u);						\
-    __uh = __ll_highpart (u);						\
-    __vl = __ll_lowpart (v);						\
-    __vh = __ll_highpart (v);						\
-									\
-    __x0 = (usitype) __ul * __vl;					\
-    __x1 = (usitype) __ul * __vh;					\
-    __x2 = (usitype) __uh * __vl;					\
-    __x3 = (usitype) __uh * __vh;					\
-									\
-    __x1 += __ll_highpart (__x0);/* this can't give carry */		\
-    __x1 += __x2;		/* but this indeed can */		\
-    if (__x1 < __x2)		/* did we get it? */			\
-      __x3 += __ll_b;		/* yes, add it in the proper pos. */	\
-									\
-    (w1) = __x3 + __ll_highpart (__x1);					\
-    (w0) = __ll_lowpart (__x1) * __ll_b + __ll_lowpart (__x0);		\
-  } while (0)
-#endif
-
-#if !defined(__umulsidi3)
-#define __umulsidi3(u, v) 						\
-  ({diunion __w;                                                        \
-       umul_ppmm (__w.s.high, __w.s.low, u, v);                         \
-           __w.ll; })
-#endif
-
-typedef unsigned int usitype __attribute__ ((mode(SI)));
-typedef int sitype __attribute__ ((mode(SI)));
-typedef int ditype __attribute__ ((mode(DI)));
-typedef int word_type __attribute__ ((mode(__word__)));
-
-struct distruct {
-	sitype low, high;
-};
-typedef union {
-	struct distruct s;
-	ditype ll;
-} diunion;
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-ditype __muldi3(ditype u, ditype v)__attribute__((l1_text));
-#endif
-
-ditype __muldi3(ditype u, ditype v)
-{
-	diunion w;
-	diunion uu, vv;
-
-	uu.ll = u, vv.ll = v;
-	w.ll = __umulsidi3(uu.s.low, vv.s.low);
-	w.s.high += ((usitype) uu.s.low * (usitype) vv.s.high
-		     + (usitype) uu.s.high * (usitype) vv.s.low);
-
-	return w.ll;
-}