Reorganisation of the source tree

[ghc-hetmet.git] / rts / gmp / mpn / ns32k / add_n.s

diff --git a/rts/gmp/mpn/ns32k/add_n.s b/rts/gmp/mpn/ns32k/add_n.s
new file mode 100644 (file)
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+++ b/rts/gmp/mpn/ns32k/add_n.s
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+# ns32000 __gmpn_add_n -- Add two limb vectors of the same length > 0 and store
+# sum in a third limb vector.
+
+# Copyright (C) 1992, 1994, 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.
+
+
+       .align 1
+.globl ___gmpn_add_n
+___gmpn_add_n:
+       save    [r3,r4,r5]
+       negd    28(sp),r3
+       movd    r3,r0
+       lshd    2,r0
+       movd    24(sp),r4
+       subd    r0,r4                   # r4 -> to end of S2
+       movd    20(sp),r5
+       subd    r0,r5                   # r5 -> to end of S1
+       movd    16(sp),r2
+       subd    r0,r2                   # r2 -> to end of RES
+       subd    r0,r0                   # cy = 0
+
+Loop:  movd    r5[r3:d],r0
+       addcd   r4[r3:d],r0
+       movd    r0,r2[r3:d]
+       acbd    1,r3,Loop
+
+       scsd    r0                      # r0 = cy.
+       restore [r5,r4,r3]
+       ret     0