home *** CD-ROM | disk | FTP | other *** search
- ! SPARC v8 __mpn_addmul_1 -- Multiply a limb vector with a limb and
- ! add the result to a second limb vector.
-
- ! Copyright (C) 1992, 1993, 1994 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 Library General Public License as published by
- ! the Free Software Foundation; either version 2 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 Library General Public
- ! License for more details.
-
- ! You should have received a copy of the GNU Library General Public License
- ! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- ! the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- ! INPUT PARAMETERS
- ! res_ptr o0
- ! s1_ptr o1
- ! size o2
- ! s2_limb o3
-
- #include "sysdep.h"
-
- .text
- .align 4
- .global C_SYMBOL_NAME(__mpn_addmul_1)
- C_SYMBOL_NAME(__mpn_addmul_1):
- orcc %g0,%g0,%g2
- ld [%o1+0],%o4 ! 1
-
- sll %o2,4,%g1
- and %g1,(4-1)<<4,%g1
- sethi %hi(LL),%g3
- or %g3,%lo(LL),%g3
- jmp %g3+%g1
- nop
- LL:
- LL00: add %o0,-4,%o0
- b Loop00 /* 4, 8, 12, ... */
- add %o1,-4,%o1
- nop
- LL01: b Loop01 /* 1, 5, 9, ... */
- nop
- nop
- nop
- LL10: add %o0,-12,%o0 /* 2, 6, 10, ... */
- b Loop10
- add %o1,4,%o1
- nop
- LL11: add %o0,-8,%o0 /* 3, 7, 11, ... */
- b Loop11
- add %o1,-8,%o1
- nop
-
- 1: addcc %g3,%g2,%g3 ! 1
- ld [%o1+4],%o4 ! 2
- rd %y,%g2 ! 1
- addx %g0,%g2,%g2
- ld [%o0+0],%g1 ! 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+0] ! 1
- Loop00: umul %o4,%o3,%g3 ! 2
- ld [%o0+4],%g1 ! 2
- addxcc %g3,%g2,%g3 ! 2
- ld [%o1+8],%o4 ! 3
- rd %y,%g2 ! 2
- addx %g0,%g2,%g2
- nop
- addcc %g1,%g3,%g3
- st %g3,[%o0+4] ! 2
- Loop11: umul %o4,%o3,%g3 ! 3
- addxcc %g3,%g2,%g3 ! 3
- ld [%o1+12],%o4 ! 4
- rd %y,%g2 ! 3
- add %o1,16,%o1
- addx %g0,%g2,%g2
- ld [%o0+8],%g1 ! 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+8] ! 3
- Loop10: umul %o4,%o3,%g3 ! 4
- addxcc %g3,%g2,%g3 ! 4
- ld [%o1+0],%o4 ! 1
- rd %y,%g2 ! 4
- addx %g0,%g2,%g2
- ld [%o0+12],%g1 ! 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+12] ! 4
- add %o0,16,%o0
- addx %g0,%g2,%g2
- Loop01: addcc %o2,-4,%o2
- bg 1b
- umul %o4,%o3,%g3 ! 1
-
- addcc %g3,%g2,%g3 ! 4
- rd %y,%g2 ! 4
- addx %g0,%g2,%g2
- ld [%o0+0],%g1 ! 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+0] ! 4
- addx %g0,%g2,%o0
-
- retl
- nop
-
-
- ! umul, ld, addxcc, rd, st
-
- ! umul, ld, addxcc, rd, ld, addcc, st, addx
-
-