diff options
Diffstat (limited to 'sysdeps/vax/sub_n.s')
| -rw-r--r-- | sysdeps/vax/sub_n.s | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/vax/sub_n.s b/sysdeps/vax/sub_n.s new file mode 100644 index 0000000000..300b4dee8f --- /dev/null +++ b/sysdeps/vax/sub_n.s @@ -0,0 +1,47 @@ +# VAX __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and store +# difference in a third 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 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 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 Library General Public +# License for more details. + +# You should have received a copy of the GNU Library General Public License +# along with the GNU MP Library; see the file COPYING.LIB. If not, write to +# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + +# INPUT PARAMETERS +# res_ptr (sp + 4) +# s1_ptr (sp + 8) +# s2_ptr (sp + 12) +# size (sp + 16) + +.text + .align 1 +.globl ___mpn_sub_n +___mpn_sub_n: + .word 0x0 + movl 16(ap),r0 + movl 12(ap),r1 + movl 8(ap),r2 + movl 4(ap),r3 + subl2 r4,r4 + +Loop: + movl (r2)+,r4 + sbwc (r1)+,r4 + movl r4,(r3)+ + jsobgtr r0,Loop + + adwc r0,r0 + ret |