--- /dev/null
+# I960 __gmpn_add_n -- Add two limb vectors of the same length > 0 and store
+# sum in a third limb vector.
+
+# Copyright (C) 1995, 2000 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 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
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+# License for more details.
+
+# 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
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
+
+.text
+ .align 4
+ .globl ___gmpn_add_n
+___gmpn_add_n:
+ mov 0,g6 # clear carry-save register
+ cmpo 1,0 # clear cy
+
+Loop: subo 1,g3,g3 # update loop counter
+ ld (g1),g5 # load from s1_ptr
+ addo 4,g1,g1 # s1_ptr++
+ ld (g2),g4 # load from s2_ptr
+ addo 4,g2,g2 # s2_ptr++
+ cmpo g6,1 # restore cy from g6, relies on cy being 0
+ addc g4,g5,g4 # main add
+ subc 0,0,g6 # save cy in g6
+ st g4,(g0) # store result to res_ptr
+ addo 4,g0,g0 # res_ptr++
+ cmpobne 0,g3,Loop # when branch is taken, clears C bit
+
+ mov g6,g0
+ ret
projects / ghc-hetmet.git / blobdiff