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/* i80386 __mpn_addmul_1 -- Multiply a limb vector with a limb and add
the result to a second limb vector.
Copyright (C) 1992-2018 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,
see <http://www.gnu.org/licenses/>. */
#include "sysdep.h"
#include "asm-syntax.h"
#define PARMS 4+16 /* space for 4 saved regs */
#define RES PARMS
#define S1 RES+4
#define SIZE S1+4
#define S2LIMB SIZE+4
#define res_ptr edi
#define s1_ptr esi
#define sizeP ecx
#define s2_limb ebx
.text
ENTRY (__mpn_addmul_1)
pushl %res_ptr
cfi_adjust_cfa_offset (4)
pushl %s1_ptr
cfi_adjust_cfa_offset (4)
pushl %ebp
cfi_adjust_cfa_offset (4)
pushl %s2_limb
cfi_adjust_cfa_offset (4)
movl RES(%esp), %res_ptr
cfi_rel_offset (res_ptr, 12)
movl S1(%esp), %s1_ptr
cfi_rel_offset (s1_ptr, 8)
movl SIZE(%esp), %sizeP
movl S2LIMB(%esp), %s2_limb
cfi_rel_offset (s2_limb, 0)
leal (%res_ptr,%sizeP,4), %res_ptr
leal (%s1_ptr,%sizeP,4), %s1_ptr
negl %sizeP
xorl %ebp, %ebp
cfi_rel_offset (ebp, 4)
ALIGN (3)
L(oop):
movl (%s1_ptr,%sizeP,4), %eax
mull %s2_limb
addl %ebp, %eax
adcl $0, %edx
addl %eax, (%res_ptr,%sizeP,4)
adcl $0, %edx
movl %edx, %ebp
incl %sizeP
jnz L(oop)
movl %ebp, %eax
popl %s2_limb
cfi_adjust_cfa_offset (-4)
cfi_restore (s2_limb)
popl %ebp
cfi_adjust_cfa_offset (-4)
cfi_restore (ebp)
popl %s1_ptr
cfi_adjust_cfa_offset (-4)
cfi_restore (s1_ptr)
popl %res_ptr
cfi_adjust_cfa_offset (-4)
cfi_restore (res_ptr)
ret
END (__mpn_addmul_1)
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