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dnl x86 __gmpn_addmul_1 (for 386 and 486) -- Multiply a limb vector with a
dnl limb and add the result to a second limb vector.
dnl Copyright 1992, 1994, 1997, 1999-2002, 2005 Free Software Foundation, Inc.
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 modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C cycles/limb
C P5
C P6 model 0-8,10-12
C P6 model 9 (Banias)
C P6 model 13 (Dothan)
C P4 model 0 (Willamette)
C P4 model 1 (?)
C P4 model 2 (Northwood)
C P4 model 3 (Prescott)
C P4 model 4 (Nocona)
C Intel Atom
C AMD K6
C AMD K7
C AMD K8 3.875
C AMD K10
ifdef(`OPERATION_addmul_1',`
define(ADDSUB, addl)
define(M4_function_1, mpn_addmul_1)
define(M4_function_1c, mpn_addmul_1c)
',`ifdef(`OPERATION_submul_1',`
define(ADDSUB, subl)
define(M4_function_1, mpn_submul_1)
',`m4_error(`Need OPERATION_addmul_1 or OPERATION_submul_1
')')')
MULFUNC_PROLOGUE(mpn_addmul_1 mpn_submul_1 mpn_addmul_1c)
C mp_limb_t M4_function_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
C mp_limb_t mult);
define(PARAM_CARRY, `FRAME+20(%esp)')
define(PARAM_MULTIPLIER, `FRAME+16(%esp)')
define(PARAM_SIZE, `FRAME+12(%esp)')
define(PARAM_SRC, `FRAME+8(%esp)')
define(PARAM_DST, `FRAME+4(%esp)')
TEXT
ALIGN(32)
PROLOGUE(M4_function_1)
deflit(`FRAME',0)
pushl %edi
pushl %esi
pushl %ebx
pushl %ebp
deflit(`FRAME',16)
movl PARAM_SRC, %esi
movl PARAM_SIZE, %ecx
movl PARAM_DST, %edi
movl (%esi), %eax
mull PARAM_MULTIPLIER
testb $1, %cl
jnz L(bx1)
L(bx0): movl %eax, %ebx
movl %edx, %ebp
shrl $2, %ecx
jnc L(lo0)
L(b10): leal -8(%esi), %esi
leal -8(%edi), %edi
incl %ecx
jmp L(lo2)
L(bx1): movl %eax, %ebp
movl %edx, %ebx
shrl $2, %ecx
jc L(b11)
L(b01): leal 4(%edi), %edi
jz L(end)
leal 4(%esi), %esi
jmp L(top)
L(b11): leal -4(%esi), %esi
leal -4(%edi), %edi
incl %ecx
jmp L(lo3)
ALIGN(16)
L(top): movl (%esi), %eax
mull PARAM_MULTIPLIER
ADDSUB %ebp, -4(%edi)
adcl %eax, %ebx
movl $0, %ebp
adcl %edx, %ebp
L(lo0): movl 4(%esi), %eax
mull PARAM_MULTIPLIER
ADDSUB %ebx, (%edi)
adcl %eax, %ebp
movl $0, %ebx
adcl %edx, %ebx
L(lo3): movl 8(%esi), %eax
mull PARAM_MULTIPLIER
ADDSUB %ebp, 4(%edi)
adcl %eax, %ebx
movl $0, %ebp
adcl %edx, %ebp
L(lo2): movl 12(%esi), %eax
mull PARAM_MULTIPLIER
ADDSUB %ebx, 8(%edi)
adcl %eax, %ebp
movl $0, %ebx
adcl %edx, %ebx
leal 16(%esi), %esi
leal 16(%edi), %edi
decl %ecx
jnz L(top)
L(end): xor %eax, %eax
ADDSUB %ebp, -4(%edi)
adcl %ebx, %eax
popl %ebp
popl %ebx
popl %esi
popl %edi
ret
EPILOGUE()
ifdef(`OPERATION_addmul_1',`
ALIGN(32)
PROLOGUE(M4_function_1c)
deflit(`FRAME',0)
pushl %edi
pushl %esi
pushl %ebx
pushl %ebp
deflit(`FRAME',16)
movl PARAM_SRC, %esi
movl PARAM_SIZE, %ecx
movl PARAM_DST, %edi
movl (%esi), %eax
mull PARAM_MULTIPLIER
testb $1, %cl
jnz L(cx1)
movl PARAM_CARRY, %ebx
xorl %ebp, %ebp
L(cx0): addl %eax, %ebx
adcl %edx, %ebp
shrl $2, %ecx
jnc L(lo0)
L(c10): leal -8(%esi), %esi
leal -8(%edi), %edi
incl %ecx
jmp L(lo2)
L(cx1): movl PARAM_CARRY, %ebp
xorl %ebx, %ebx
addl %eax, %ebp
adcl %edx, %ebx
shrl $2, %ecx
jc L(c11)
L(c01): leal 4(%edi), %edi
jz L(end)
leal 4(%esi), %esi
jmp L(top)
L(c11): leal -4(%esi), %esi
leal -4(%edi), %edi
incl %ecx
jmp L(lo3)
EPILOGUE()
')
|
