glibc/sysdeps/m88k/m88110/addmul_1.s

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; mc88110 __mpn_addmul_1 -- Multiply a limb vector with a single limb and
; store the product in a second limb vector.
; Copyright (C) 1996 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
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; 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
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
; License for more details.
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; You should have received a copy of the GNU Lesser General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
; MA 02111-1307, USA.
; INPUT PARAMETERS
; res_ptr r2
; s1_ptr r3
; size r4
; s2_limb r5
text
align 16
global ___mpn_addmul_1
___mpn_addmul_1:
lda r3,r3[r4]
lda r8,r2[r4] ; RES_PTR in r8 since r2 is retval
subu r4,r0,r4
addu.co r2,r0,r0 ; r2 = cy = 0
ld r6,r3[r4]
addu r4,r4,1
subu r8,r8,4
bcnd.n eq0,r4,Lend
mulu.d r10,r6,r5
Loop: ld r7,r8[r4]
ld r6,r3[r4]
addu.cio r9,r11,r2
addu.ci r2,r10,r0
addu.co r9,r9,r7
st r9,r8[r4]
addu r4,r4,1
mulu.d r10,r6,r5
bcnd ne0,r4,Loop
Lend: ld r7,r8,0
addu.cio r9,r11,r2
addu.ci r2,r10,r0
addu.co r9,r9,r7
st r9,r8,0
jmp.n r1
addu.ci r2,r2,r0