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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