?? mul_1.s
字號(hào):
! SPARC v8 __mpn_mul_1 -- Multiply a limb vector with a single limb and! store the product in a second limb vector.! Copyright (C) 1992, 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 Lesser General Public License as published by! the Free Software Foundation; either version 2.1 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; 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>ENTRY(__mpn_mul_1) sll %o2,4,%g1 mov %o7,%g4 ! Save return address register and %g1,(4-1)<<4,%g11: call 2f add %o7,3f-1b,%g32: mov %g4,%o7 ! Restore return address register jmp %g3+%g1 ld [%o1+0],%o4 ! 1 .align 43:LOC(00): add %o0,-4,%o0 add %o1,-4,%o1 b LOC(loop00) /* 4, 8, 12, ... */ orcc %g0,%g0,%g2LOC(01): b LOC(loop01) /* 1, 5, 9, ... */ orcc %g0,%g0,%g2 nop nopLOC(10): add %o0,-12,%o0 /* 2, 6, 10, ... */ add %o1,4,%o1 b LOC(loop10) orcc %g0,%g0,%g2 nopLOC(11): add %o0,-8,%o0 /* 3, 7, 11, ... */ add %o1,-8,%o1 b LOC(loop11) orcc %g0,%g0,%g2LOC(loop): addcc %g3,%g2,%g3 ! 1 ld [%o1+4],%o4 ! 2 st %g3,[%o0+0] ! 1 rd %y,%g2 ! 1LOC(loop00): umul %o4,%o3,%g3 ! 2 addxcc %g3,%g2,%g3 ! 2 ld [%o1+8],%o4 ! 3 st %g3,[%o0+4] ! 2 rd %y,%g2 ! 2LOC(loop11): umul %o4,%o3,%g3 ! 3 addxcc %g3,%g2,%g3 ! 3 ld [%o1+12],%o4 ! 4 add %o1,16,%o1 st %g3,[%o0+8] ! 3 rd %y,%g2 ! 3LOC(loop10): umul %o4,%o3,%g3 ! 4 addxcc %g3,%g2,%g3 ! 4 ld [%o1+0],%o4 ! 1 st %g3,[%o0+12] ! 4 add %o0,16,%o0 rd %y,%g2 ! 4 addx %g0,%g2,%g2LOC(loop01): addcc %o2,-4,%o2 bg LOC(loop) umul %o4,%o3,%g3 ! 1 addcc %g3,%g2,%g3 ! 4 st %g3,[%o0+0] ! 4 rd %y,%g2 ! 4 retl addx %g0,%g2,%o0END(__mpn_mul_1)
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