Annotation of OpenXM_contrib/gmp/mpn/sparc32/v8/addmul_1.S, Revision 1.1
1.1 ! maekawa 1: ! SPARC v8 __mpn_addmul_1 -- Multiply a limb vector with a limb and
! 2: ! add the result to a second limb vector.
! 3:
! 4: ! Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
! 5:
! 6: ! This file is part of the GNU MP Library.
! 7:
! 8: ! The GNU MP Library is free software; you can redistribute it and/or modify
! 9: ! it under the terms of the GNU Library General Public License as published by
! 10: ! the Free Software Foundation; either version 2 of the License, or (at your
! 11: ! option) any later version.
! 12:
! 13: ! The GNU MP Library is distributed in the hope that it will be useful, but
! 14: ! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 15: ! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
! 16: ! License for more details.
! 17:
! 18: ! You should have received a copy of the GNU Library General Public License
! 19: ! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 20: ! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 21: ! MA 02111-1307, USA.
! 22:
! 23:
! 24: ! INPUT PARAMETERS
! 25: ! res_ptr o0
! 26: ! s1_ptr o1
! 27: ! size o2
! 28: ! s2_limb o3
! 29:
! 30: #include "sysdep.h"
! 31:
! 32: .text
! 33: .align 4
! 34: .global C_SYMBOL_NAME(__mpn_addmul_1)
! 35: C_SYMBOL_NAME(__mpn_addmul_1):
! 36: orcc %g0,%g0,%g2
! 37: ld [%o1+0],%o4 ! 1
! 38:
! 39: sll %o2,4,%g1
! 40: and %g1,(4-1)<<4,%g1
! 41: #if PIC
! 42: mov %o7,%g4 ! Save return address register
! 43: call 1f
! 44: add %o7,LL-1f,%g3
! 45: 1: mov %g4,%o7 ! Restore return address register
! 46: #else
! 47: sethi %hi(LL),%g3
! 48: or %g3,%lo(LL),%g3
! 49: #endif
! 50: jmp %g3+%g1
! 51: nop
! 52: LL:
! 53: LL00: add %o0,-4,%o0
! 54: b Loop00 /* 4, 8, 12, ... */
! 55: add %o1,-4,%o1
! 56: nop
! 57: LL01: b Loop01 /* 1, 5, 9, ... */
! 58: nop
! 59: nop
! 60: nop
! 61: LL10: add %o0,-12,%o0 /* 2, 6, 10, ... */
! 62: b Loop10
! 63: add %o1,4,%o1
! 64: nop
! 65: LL11: add %o0,-8,%o0 /* 3, 7, 11, ... */
! 66: b Loop11
! 67: add %o1,-8,%o1
! 68: nop
! 69:
! 70: 1: addcc %g3,%g2,%g3 ! 1
! 71: ld [%o1+4],%o4 ! 2
! 72: rd %y,%g2 ! 1
! 73: addx %g0,%g2,%g2
! 74: ld [%o0+0],%g1 ! 2
! 75: addcc %g1,%g3,%g3
! 76: st %g3,[%o0+0] ! 1
! 77: Loop00: umul %o4,%o3,%g3 ! 2
! 78: ld [%o0+4],%g1 ! 2
! 79: addxcc %g3,%g2,%g3 ! 2
! 80: ld [%o1+8],%o4 ! 3
! 81: rd %y,%g2 ! 2
! 82: addx %g0,%g2,%g2
! 83: nop
! 84: addcc %g1,%g3,%g3
! 85: st %g3,[%o0+4] ! 2
! 86: Loop11: umul %o4,%o3,%g3 ! 3
! 87: addxcc %g3,%g2,%g3 ! 3
! 88: ld [%o1+12],%o4 ! 4
! 89: rd %y,%g2 ! 3
! 90: add %o1,16,%o1
! 91: addx %g0,%g2,%g2
! 92: ld [%o0+8],%g1 ! 2
! 93: addcc %g1,%g3,%g3
! 94: st %g3,[%o0+8] ! 3
! 95: Loop10: umul %o4,%o3,%g3 ! 4
! 96: addxcc %g3,%g2,%g3 ! 4
! 97: ld [%o1+0],%o4 ! 1
! 98: rd %y,%g2 ! 4
! 99: addx %g0,%g2,%g2
! 100: ld [%o0+12],%g1 ! 2
! 101: addcc %g1,%g3,%g3
! 102: st %g3,[%o0+12] ! 4
! 103: add %o0,16,%o0
! 104: addx %g0,%g2,%g2
! 105: Loop01: addcc %o2,-4,%o2
! 106: bg 1b
! 107: umul %o4,%o3,%g3 ! 1
! 108:
! 109: addcc %g3,%g2,%g3 ! 4
! 110: rd %y,%g2 ! 4
! 111: addx %g0,%g2,%g2
! 112: ld [%o0+0],%g1 ! 2
! 113: addcc %g1,%g3,%g3
! 114: st %g3,[%o0+0] ! 4
! 115: addx %g0,%g2,%o0
! 116:
! 117: retl
! 118: nop
! 119:
! 120:
! 121: ! umul, ld, addxcc, rd, st
! 122:
! 123: ! umul, ld, addxcc, rd, ld, addcc, st, addx
! 124:
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