Annotation of OpenXM_contrib/gmp/mpn/x86/pentium/mul_1.asm, Revision 1.1
1.1 ! maekawa 1: dnl Intel Pentium mpn_mul_1 -- mpn by limb multiplication.
! 2: dnl
! 3: dnl P5: 13.0 cycles/limb
! 4:
! 5: dnl Copyright (C) 1992, 1994, 1996, 1999, 2000 Free Software Foundation,
! 6: dnl Inc.
! 7: dnl
! 8: dnl This file is part of the GNU MP Library.
! 9: dnl
! 10: dnl The GNU MP Library is free software; you can redistribute it and/or
! 11: dnl modify it under the terms of the GNU Lesser General Public License as
! 12: dnl published by the Free Software Foundation; either version 2.1 of the
! 13: dnl License, or (at your option) any later version.
! 14: dnl
! 15: dnl The GNU MP Library is distributed in the hope that it will be useful,
! 16: dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
! 17: dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 18: dnl Lesser General Public License for more details.
! 19: dnl
! 20: dnl You should have received a copy of the GNU Lesser General Public
! 21: dnl License along with the GNU MP Library; see the file COPYING.LIB. If
! 22: dnl not, write to the Free Software Foundation, Inc., 59 Temple Place -
! 23: dnl Suite 330, Boston, MA 02111-1307, USA. */
! 24:
! 25:
! 26: include(`../config.m4')
! 27:
! 28:
! 29: C mp_limb_t mpn_mul_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
! 30: C mp_limb_t multiplier);
! 31:
! 32: defframe(PARAM_MULTIPLIER,16)
! 33: defframe(PARAM_SIZE, 12)
! 34: defframe(PARAM_SRC, 8)
! 35: defframe(PARAM_DST, 4)
! 36:
! 37: .text
! 38: ALIGN(8)
! 39: PROLOGUE(mpn_mul_1)
! 40:
! 41: pushl %edi
! 42: pushl %esi
! 43: pushl %ebx
! 44: pushl %ebp
! 45: deflit(`FRAME',16)
! 46:
! 47: movl PARAM_DST, %edi
! 48: movl PARAM_SRC, %esi
! 49: movl PARAM_SIZE, %ecx
! 50: movl PARAM_MULTIPLIER, %ebp
! 51:
! 52: leal (%edi,%ecx,4), %edi
! 53: leal (%esi,%ecx,4), %esi
! 54: negl %ecx
! 55: xorl %ebx, %ebx
! 56: ALIGN(8)
! 57:
! 58: L(oop): adcl $0, %ebx
! 59: movl (%esi,%ecx,4), %eax
! 60:
! 61: mull %ebp
! 62:
! 63: addl %eax, %ebx
! 64:
! 65: movl %ebx, (%edi,%ecx,4)
! 66: incl %ecx
! 67:
! 68: movl %edx, %ebx
! 69: jnz L(oop)
! 70:
! 71: adcl $0, %ebx
! 72: movl %ebx, %eax
! 73: popl %ebp
! 74: popl %ebx
! 75: popl %esi
! 76: popl %edi
! 77: ret
! 78:
! 79: EPILOGUE()
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