+++ /dev/null
-dnl x86 mpn_mul_1 (for 386, 486, and Pentium Pro) -- Multiply a limb vector
-dnl with a limb and store the result in a second limb vector.
-dnl
-dnl cycles/limb
-dnl P6: 5.5
-dnl
-dnl The following CPUs have their own optimized code, but for reference the
-dnl code here runs as follows.
-dnl
-dnl cycles/limb
-dnl P5: 12.5
-dnl K6: 10.5
-dnl K7: 4.5
-
-
-dnl Copyright (C) 1992, 1994, 1997, 1998, 1999, 2000 Free Software
-dnl Foundation, Inc.
-dnl
-dnl This file is part of the GNU MP Library.
-dnl
-dnl The GNU MP Library is free software; you can redistribute it and/or
-dnl modify it under the terms of the GNU Lesser General Public License as
-dnl published by the Free Software Foundation; either version 2.1 of the
-dnl License, or (at your option) any later version.
-dnl
-dnl The GNU MP Library is distributed in the hope that it will be useful,
-dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-dnl Lesser General Public License for more details.
-dnl
-dnl You should have received a copy of the GNU Lesser General Public
-dnl License along with the GNU MP Library; see the file COPYING.LIB. If
-dnl not, write to the Free Software Foundation, Inc., 59 Temple Place -
-dnl Suite 330, Boston, MA 02111-1307, USA.
-
-
-include(`../config.m4')
-
-
-C mp_limb_t mpn_mul_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
-C mp_limb_t multiplier);
-
-defframe(PARAM_MULTIPLIER,16)
-defframe(PARAM_SIZE, 12)
-defframe(PARAM_SRC, 8)
-defframe(PARAM_DST, 4)
-
- TEXT
- ALIGN(8)
-PROLOGUE(mpn_mul_1)
-deflit(`FRAME',0)
-
- pushl %edi
- pushl %esi
- pushl %ebx
- pushl %ebp
-deflit(`FRAME',16)
-
- movl PARAM_DST,%edi
- movl PARAM_SRC,%esi
- movl PARAM_SIZE,%ecx
-
- xorl %ebx,%ebx
- andl $3,%ecx
- jz L(end0)
-
-L(oop0):
- movl (%esi),%eax
- mull PARAM_MULTIPLIER
- leal 4(%esi),%esi
- addl %ebx,%eax
- movl $0,%ebx
- adcl %ebx,%edx
- movl %eax,(%edi)
- movl %edx,%ebx C propagate carry into cylimb
-
- leal 4(%edi),%edi
- decl %ecx
- jnz L(oop0)
-
-L(end0):
- movl PARAM_SIZE,%ecx
- shrl $2,%ecx
- jz L(end)
-
-
- ALIGN(8)
-L(oop): movl (%esi),%eax
- mull PARAM_MULTIPLIER
- addl %eax,%ebx
- movl $0,%ebp
- adcl %edx,%ebp
-
- movl 4(%esi),%eax
- mull PARAM_MULTIPLIER
- movl %ebx,(%edi)
- addl %eax,%ebp C new lo + cylimb
- movl $0,%ebx
- adcl %edx,%ebx
-
- movl 8(%esi),%eax
- mull PARAM_MULTIPLIER
- movl %ebp,4(%edi)
- addl %eax,%ebx C new lo + cylimb
- movl $0,%ebp
- adcl %edx,%ebp
-
- movl 12(%esi),%eax
- mull PARAM_MULTIPLIER
- movl %ebx,8(%edi)
- addl %eax,%ebp C new lo + cylimb
- movl $0,%ebx
- adcl %edx,%ebx
-
- movl %ebp,12(%edi)
-
- leal 16(%esi),%esi
- leal 16(%edi),%edi
- decl %ecx
- jnz L(oop)
-
-L(end): movl %ebx,%eax
-
- popl %ebp
- popl %ebx
- popl %esi
- popl %edi
- ret
-
-EPILOGUE()