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- ; mc88110 __mpn_mul_1 -- Multiply a limb vector with a single limb and
- ; store the product in a second limb vector.
-
- ; Copyright (C) 1992, 1994 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 General Public License as published by
- ; the Free Software Foundation; either version 2, 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 General Public License for more details.
-
- ; You should have received a copy of the GNU General Public License
- ; along with the GNU MP Library; see the file COPYING. If not, write to
- ; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- ; INPUT PARAMETERS
- ; res_ptr r2
- ; s1_ptr r3
- ; size r4
- ; s2_limb r5
-
- #include "sysdep.h"
-
- ENTRY (__mpn_mul_1)
- ld r6,r3,0
- sub r4,r0,r4
- sub r3,r3,r4 ; r3 is offset s1_ptr
- sub r2,r2,r4
- sub r8,r2,8 ; r8 is offset res_ptr
- mulu.d r10,r6,r5
-
- addu r4,r4,1
- bcnd eq0,r4,Lend
- addu.co r2,r0,0 ; clear cy_limb
-
- Loop: ld r6,r3[r4]
- addu.cio r9,r11,r2
- or r2,r10,r0 ; could be avoided if unrolled
- addu r4,r4,1
- mulu.d r10,r6,r5
- bcnd ne0,r4,Loop
- st r9,r8[r4]
-
- Lend: addu.cio r9,r11,r2
- st r9,r8,4
- jmp.n r1
- addu.ci r2,r10,r0
-
- ; This is the Right Way to do this on '110. 4 cycles / 64-bit limb.
- ; ld.d r10,
- ; mulu.d
- ; addu.cio
- ; addu.cio
- ; st.d
- ; mulu.d ,r11,r5
- ; ld.d r12,
- ; mulu.d ,r10,r5
- ; addu.cio
- ; addu.cio
- ; st.d
- ; mulu.d
- ; ld.d r10,
- ; mulu.d
- ; addu.cio
- ; addu.cio
- ; st.d
- ; mulu.d
- ; ld.d r10,
- ; mulu.d
- ; addu.cio
- ; addu.cio
- ; st.d
- ; mulu.d
-