dnl AMD64 mpn_mul_1 -- Multiply a limb vector with a limb and store the result
dnl in a second limb vector.
dnl Copyright 2004 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 3 of the License, or (at
dnl your option) any later version.
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 Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
include(`../config.m4')
C cycles/limb
C AMD K8: 3
C Intel P4: 14
C Intel Core 2: 4.25
C INPUT PARAMETERS
C rp rdi
C up rsi
C n rdx
C vl rcx
TEXT
ALIGN(16)
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
ASM_START()
PROLOGUE(mpn_mul_1)
movq %rdx, %r11
leaq (%rsi,%rdx,8), %rsi
leaq (%rdi,%rdx,8), %rdi
negq %r11
xorl %r8d, %r8d
L(loop):
movq (%rsi,%r11,8), %rax
mulq %rcx
addq %r8, %rax
movl $0, %r8d
adcq %rdx, %r8
movq %rax, (%rdi,%r11,8)
incq %r11
jne L(loop)
movq %r8, %rax
ret
EPILOGUE()
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