1 ! SPARC v9 64-bit VIS3 __mpn_mul_1 -- Multiply a limb vector with a single
2 ! limb and store the product in a second limb vector.
4 ! Copyright (C) 2013-2015 Free Software Foundation, Inc.
5 ! This file is part of the GNU C Library.
6 ! Contributed by David S. Miller <davem@davemloft.net>
8 ! The GNU C Library is free software; you can redistribute it and/or
9 ! modify it under the terms of the GNU Lesser General Public
10 ! License as published by the Free Software Foundation; either
11 ! version 2.1 of the License, or (at your option) any later version.
13 ! The GNU C Library is distributed in the hope that it will be useful,
14 ! but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 ! Lesser General Public License for more details.
18 ! You should have received a copy of the GNU Lesser General Public
19 ! License along with the GNU C Library; if not, see
20 ! <http://www.gnu.org/licenses/>.
34 .register %g2,#scratch
35 .register %g3,#scratch
36 ENTRY(__mpn_mul_1_vis3)
42 ldx [s1_ptr + 0x00], tmp1
43 ldx [s1_ptr + 0x08], tmp4
44 mulx tmp1, s2_limb, tmp3
45 add s1_ptr, 0x10, s1_ptr
46 umulxhi tmp1, s2_limb, tmp2
48 mulx tmp4, s2_limb, tmp1
49 add res_ptr, 0x10, res_ptr
50 umulxhi tmp4, s2_limb, tmp4
51 addcc carry, tmp3, tmp3
52 stx tmp3, [res_ptr - 0x10]
53 addxc %g0, tmp2, carry
54 addcc carry, tmp1, tmp1
55 addxc %g0, tmp4, carry
57 stx tmp1, [res_ptr - 0x08]
63 ldx [s1_ptr + 0x00], tmp1
64 mulx tmp1, s2_limb, tmp3
65 umulxhi tmp1, s2_limb, tmp2
66 addcc carry, tmp3, tmp3
67 addxc %g0, tmp2, carry
68 stx tmp3, [res_ptr + 0x00]