dnl Contributed to the GNU project by Torbjorn Granlund.
dnl Copyright 2009, 2010 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) 6
C P4 model 0 (Willamette) ?
C P4 model 1 (?) ?
C P4 model 2 (Northwood) 15.5
C P4 model 3 (Prescott) ?
C P4 model 4 (Nocona) ?
C AMD K6 ?
C AMD K7 4.75
C AMD K8 ?
ASM_START()
TEXT ALIGN(16)
PROLOGUE(mpn_mod_1s_4p) push %ebp push %edi push %esi push %ebx sub $28, %esp
mov 60(%esp), %edi C cps[]
mov 8(%edi), %eax
mov 12(%edi), %edx
mov 16(%edi), %ecx
mov 20(%edi), %esi
mov 24(%edi), %edi
mov %eax, 4(%esp)
mov %edx, 8(%esp)
mov %ecx, 12(%esp)
mov %esi, 16(%esp)
mov %edi, 20(%esp)
mov 52(%esp), %eax C n xor %edi, %edi
mov 48(%esp), %esi C up
lea -12(%esi,%eax,4), %esi and $3, %eax je L(b0) cmp $2, %eax
jc L(b1) je L(b2)
L(end): mov 4(%esp), %eax mul %edi
mov 60(%esp), %edi
add %eax, %ebp adc $0, %edx
mov 4(%edi), %ecx
mov %edx, %esi
mov %ebp, %eax
sal %cl, %esi
mov %ecx, %ebx
neg %ecx shr %cl, %eax or %esi, %eax
lea 1(%eax), %esi
mull (%edi)
mov %ebx, %ecx
mov %eax, %ebx
mov %ebp, %eax
mov 56(%esp), %ebp
sal %cl, %eax
add %eax, %ebx adc %esi, %edx
imul %ebp, %edx sub %edx, %eax
lea (%eax,%ebp), %edx cmp %eax, %ebx
cmovc( %edx, %eax)
mov %eax, %edx sub %ebp, %eax
cmovc( %edx, %eax)
add $28, %esp
pop %ebx
pop %esi
pop %edi
pop %ebp shr %cl, %eax
ret
EPILOGUE()
ALIGN(16)
PROLOGUE(mpn_mod_1s_4p_cps)
C CAUTION: This is the same code as in pentium4/sse2/mod_1_4.asm push %ebp push %edi push %esi push %ebx
mov 20(%esp), %ebp C FIXME: avoid bp for 0-idx
mov 24(%esp), %ebx
bsr %ebx, %ecx xor $31, %ecx
sal %cl, %ebx C b << cnt
mov %ebx, %edx
not %edx
mov $-1, %eax
div %ebx xor %edi, %edi sub %ebx, %edi
mov $1, %esi
mov %eax, (%ebp) C store bi
mov %ecx, 4(%ebp) C store cnt
shld %cl, %eax, %esi
imul %edi, %esi
mov %eax, %edi mul %esi
add %esi, %edx shr %cl, %esi
mov %esi, 8(%ebp) C store B1modb
not %edx
imul %ebx, %edx
lea (%edx,%ebx), %esi cmp %edx, %eax
cmovnc( %edx, %esi)
mov %edi, %eax mul %esi
add %esi, %edx shr %cl, %esi
mov %esi, 12(%ebp) C store B2modb
not %edx
imul %ebx, %edx
lea (%edx,%ebx), %esi cmp %edx, %eax
cmovnc( %edx, %esi)
mov %edi, %eax mul %esi
add %esi, %edx shr %cl, %esi
mov %esi, 16(%ebp) C store B3modb
not %edx
imul %ebx, %edx
lea (%edx,%ebx), %esi cmp %edx, %eax
cmovnc( %edx, %esi)
mov %edi, %eax mul %esi
add %esi, %edx shr %cl, %esi
mov %esi, 20(%ebp) C store B4modb
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