Annotation of OpenXM_contrib/gmp/mpn/sparc32/v8/addmul_1.asm, Revision 1.1
1.1 ! maekawa 1: dnl SPARC v8 mpn_addmul_1 -- Multiply a limb vector with a limb and
! 2: dnl add the result to a second limb vector.
! 3:
! 4: dnl Copyright (C) 1992, 1993, 1994, 1995, 2000 Free Software Foundation, Inc.
! 5:
! 6: dnl This file is part of the GNU MP Library.
! 7:
! 8: dnl The GNU MP Library is free software; you can redistribute it and/or modify
! 9: dnl it under the terms of the GNU Lesser General Public License as published
! 10: dnl by the Free Software Foundation; either version 2.1 of the License, or (at
! 11: dnl your option) any later version.
! 12:
! 13: dnl The GNU MP Library is distributed in the hope that it will be useful, but
! 14: dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 15: dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 16: dnl License for more details.
! 17:
! 18: dnl You should have received a copy of the GNU Lesser General Public License
! 19: dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 20: dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 21: dnl MA 02111-1307, USA.
! 22:
! 23:
! 24: include(`../config.m4')
! 25:
! 26: C INPUT PARAMETERS
! 27: C res_ptr o0
! 28: C s1_ptr o1
! 29: C size o2
! 30: C s2_limb o3
! 31:
! 32: ASM_START()
! 33: PROLOGUE(mpn_addmul_1)
! 34: orcc %g0,%g0,%g2
! 35: ld [%o1+0],%o4 C 1
! 36:
! 37: sll %o2,4,%g1
! 38: and %g1,(4-1)<<4,%g1
! 39: ifdef(`PIC',
! 40: ` mov %o7,%g4 C Save return address register
! 41: 0: call 1f
! 42: add %o7,L(1)-0b,%g3
! 43: 1: mov %g4,%o7 C Restore return address register
! 44: ',
! 45: ` sethi %hi(L(1)),%g3
! 46: or %g3,%lo(L(1)),%g3
! 47: ')
! 48: jmp %g3+%g1
! 49: nop
! 50: L(1):
! 51: L(L00): add %o0,-4,%o0
! 52: b L(loop00) C 4, 8, 12, ...
! 53: add %o1,-4,%o1
! 54: nop
! 55: L(L01): b L(loop01) C 1, 5, 9, ...
! 56: nop
! 57: nop
! 58: nop
! 59: L(L10): add %o0,-12,%o0 C 2, 6, 10, ...
! 60: b L(loop10)
! 61: add %o1,4,%o1
! 62: nop
! 63: L(L11): add %o0,-8,%o0 C 3, 7, 11, ...
! 64: b L(loop11)
! 65: add %o1,-8,%o1
! 66: nop
! 67:
! 68: L(loop):
! 69: addcc %g3,%g2,%g3 C 1
! 70: ld [%o1+4],%o4 C 2
! 71: rd %y,%g2 C 1
! 72: addx %g0,%g2,%g2
! 73: ld [%o0+0],%g1 C 2
! 74: addcc %g1,%g3,%g3
! 75: st %g3,[%o0+0] C 1
! 76: L(loop00):
! 77: umul %o4,%o3,%g3 C 2
! 78: ld [%o0+4],%g1 C 2
! 79: addxcc %g3,%g2,%g3 C 2
! 80: ld [%o1+8],%o4 C 3
! 81: rd %y,%g2 C 2
! 82: addx %g0,%g2,%g2
! 83: nop
! 84: addcc %g1,%g3,%g3
! 85: st %g3,[%o0+4] C 2
! 86: L(loop11):
! 87: umul %o4,%o3,%g3 C 3
! 88: addxcc %g3,%g2,%g3 C 3
! 89: ld [%o1+12],%o4 C 4
! 90: rd %y,%g2 C 3
! 91: add %o1,16,%o1
! 92: addx %g0,%g2,%g2
! 93: ld [%o0+8],%g1 C 2
! 94: addcc %g1,%g3,%g3
! 95: st %g3,[%o0+8] C 3
! 96: L(loop10):
! 97: umul %o4,%o3,%g3 C 4
! 98: addxcc %g3,%g2,%g3 C 4
! 99: ld [%o1+0],%o4 C 1
! 100: rd %y,%g2 C 4
! 101: addx %g0,%g2,%g2
! 102: ld [%o0+12],%g1 C 2
! 103: addcc %g1,%g3,%g3
! 104: st %g3,[%o0+12] C 4
! 105: add %o0,16,%o0
! 106: addx %g0,%g2,%g2
! 107: L(loop01):
! 108: addcc %o2,-4,%o2
! 109: bg L(loop)
! 110: umul %o4,%o3,%g3 C 1
! 111:
! 112: addcc %g3,%g2,%g3 C 4
! 113: rd %y,%g2 C 4
! 114: addx %g0,%g2,%g2
! 115: ld [%o0+0],%g1 C 2
! 116: addcc %g1,%g3,%g3
! 117: st %g3,[%o0+0] C 4
! 118: addx %g0,%g2,%o0
! 119:
! 120: retl
! 121: nop
! 122: EPILOGUE(mpn_addmul_1)
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