Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / pyr / mul_1.s

diff --git a/gmp/mpn/pyr/mul_1.s b/gmp/mpn/pyr/mul_1.s
new file mode 100644 (file)
index 0000000..453727f
--- /dev/null
+++ b/gmp/mpn/pyr/mul_1.s
@@ -0,0 +1,40 @@
+# Pyramid __gmpn_mul_1 -- Multiply a limb vector with a limb and store
+# the result in a second limb vector.
+
+# Copyright 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 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/.
+
+.text
+       .align  2
+.globl ___gmpn_mul_1
+___gmpn_mul_1:
+       mova    (pr0)[pr2*4],pr0
+       mova    (pr1)[pr2*4],pr1
+       mnegw   pr2,pr2
+       movw    $0,tr3
+
+Loop:  movw    (pr1)[pr2*4],tr1
+       uemul   pr3,tr0
+       addw    tr3,tr1
+       movw    $0,tr3
+       addwc   tr0,tr3
+       movw    tr1,(pr0)[pr2*4]
+       addw    $1,pr2
+       bne     Loop
+
+       movw    tr3,pr0
+       ret