! 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, 1995 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., 59 Temple Place - Suite 330, Boston, ! MA 02111-1307, 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 #if PIC mov %o7,%g4 ! Save return address register call 1f add %o7,LL-1f,%g3 1: mov %g4,%o7 ! Restore return address register #else sethi %hi(LL),%g3 or %g3,%lo(LL),%g3 #endif 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