1 dnl SPARC mpn_submul_1 -- Multiply a limb vector with a limb and subtract
2 dnl the result from a second limb vector.
4 dnl Copyright 1992, 1993, 1994, 2000 Free Software Foundation, Inc.
6 dnl This file is part of the GNU MP Library.
8 dnl The GNU MP Library is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU Lesser General Public License as published
10 dnl by the Free Software Foundation; either version 3 of the License, or (at
11 dnl your option) any later version.
13 dnl The GNU MP Library is distributed in the hope that it will be useful, but
14 dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
16 dnl License for more details.
18 dnl You should have received a copy of the GNU Lesser General Public License
19 dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
22 include(`../config.m4')
31 PROLOGUE(mpn_submul_1)
32 C Make S1_PTR and RES_PTR point at the end of their blocks
33 C and put (- 4 x SIZE) in index/loop counter.
35 add %o0,%o2,%o4 C RES_PTR in o4 since o0 is retval
76 addx %g2,%g4,%o0 C add sign-compensation and cy to hi limb
77 addcc %o2,4,%o2 C loop counter
89 sra %o3,31,%g4 C g4 = mask of ones iff S2_LIMB < 0
144 EPILOGUE(mpn_submul_1)