Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / ns32k / add_n.s

diff --git a/gmp/mpn/ns32k/add_n.s b/gmp/mpn/ns32k/add_n.s
new file mode 100644 (file)
index 0000000..962cc16
--- /dev/null
+++ b/gmp/mpn/ns32k/add_n.s
@@ -0,0 +1,44 @@
+# ns32000 __gmpn_add_n -- Add two limb vectors of the same length > 0 and store
+# sum in a third limb vector.
+
+# Copyright 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 3 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.  If not, see http://www.gnu.org/licenses/.
+
+
+       .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