1 files changed, 52 insertions, 0 deletions
diff --git a/mpi/powerpc32/mpih-mul1.S b/mpi/powerpc32/mpih-mul1.S
index 854624d1..35f94b1f 100644
--- a/mpi/powerpc32/mpih-mul1.S
+++ b/mpi/powerpc32/mpih-mul1.S
@@ -20,6 +20,11 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
 
 /*******************
  * mpi_limb_t
@@ -65,3 +70,50 @@ Lend:	stw	7,4(3)
 	addze	3,10
 	blr
 
+#else
+/* Multiply a limb vector by a limb, for PowerPC.
+   Copyright (C) 1993, 1994, 1995, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.	*/
+
+
+/* mp_limb_t mpn_mul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+			mp_size_t s1_size, mp_limb_t s2_limb)
+   Calculate s1*s2 and put result in res_ptr; return carry.  */
+
+ENTRY(_mpihelp_mul_1)
+       mtctr   %r5
+
+       lwz     %r0,0(%r4)
+       mullw   %r7,%r0,%r6
+       mulhwu  %r10,%r0,%r6
+       addi    %r3,%r3,-4	       # adjust res_ptr
+       addic   %r5,%r5,0	       # clear cy with dummy insn
+       bdz     1f
+
+0:     lwzu    %r0,4(%r4)
+       stwu    %r7,4(%r3)
+       mullw   %r8,%r0,%r6
+       adde    %r7,%r8,%r10
+       mulhwu  %r10,%r0,%r6
+       bdnz    0b
+
+1:     stw     %r7,4(%r3)
+       addze   %r3,%r10
+       blr
+END(_mpihelp_mul_1)
+#endif