dnl  AMD64 mpn_addaddmul_1msb0, R = Au + Bv, u,v < 2^63.

dnl  Copyright 2008 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 AMD K8,K9	 2.167

C AMD K10	 2.167

C Intel P4	12.0

C Intel core2	 4.0

C Intel corei	 ?

C Intel atom	 ?

C VIA nano	 ?

C TODO

C  * Perhaps handle various n mod 3 sizes better.  The code now is too large.

C INPUT PARAMETERS

define(`rp',	`%rdi')

define(`ap',	`%rsi')

define(`bp_param', `%rdx')

define(`n',	`%rcx')

define(`u0',	`%r8')

define(`v0',	`%r9')

define(`bp', `%rbp')

ASM_START()

	TEXT

	ALIGN(16)

PROLOGUE(mpn_addaddmul_1msb0)

	push	%r12

	push	%rbp

	lea	(ap,n,8), ap

	lea	(bp_param,n,8), bp

	lea	(rp,n,8), rp

	neg	n

	mov	(ap,n,8), %rax

	mul	%r8

	mov	%rax, %r12

	mov	(bp,n,8), %rax

	mov	%rdx, %r10

	add	$3, n

	jns	L(end)

	ALIGN(16)

L(top):	mul	%r9

	add	%rax, %r12

	mov	-16(ap,n,8), %rax

	adc	%rdx, %r10

	mov	%r12, -24(rp,n,8)

	mul	%r8

	add	%rax, %r10

	mov	-16(bp,n,8), %rax

	mov	$0, R32(%r11)

	adc	%rdx, %r11

	mul	%r9

	add	%rax, %r10

	mov	-8(ap,n,8), %rax

	adc	%rdx, %r11

	mov	%r10, -16(rp,n,8)

	mul	%r8

	add	%rax, %r11

	mov	-8(bp,n,8), %rax

	mov	$0, R32(%r12)

	adc	%rdx, %r12

	mul	%r9

	add	%rax, %r11

	adc	%rdx, %r12

	mov	(ap,n,8), %rax

	mul	%r8

	add	%rax, %r12

	mov	%r11, -8(rp,n,8)

	mov	(bp,n,8), %rax

	mov	$0, R32(%r10)

	adc	%rdx, %r10

	add	$3, n

	js	L(top)

L(end):	cmp	$1, R32(n)

	ja	2f

	jz	1f

	mul	%r9

	add	%rax, %r12

	mov	-16(ap), %rax

	adc	%rdx, %r10

	mov	%r12, -24(rp)

	mul	%r8

	add	%rax, %r10

	mov	-16(bp), %rax

	mov	$0, R32(%r11)

	adc	%rdx, %r11

	mul	%r9

	add	%rax, %r10

	mov	-8(ap), %rax

	adc	%rdx, %r11

	mov	%r10, -16(rp)

	mul	%r8

	add	%rax, %r11

	mov	-8(bp), %rax

	mov	$0, R32(%r12)

	adc	%rdx, %r12

	mul	%r9

	add	%rax, %r11

	adc	%rdx, %r12

	mov	%r11, -8(rp)

	mov	%r12, %rax

	pop	%rbp

	pop	%r12

	ret

1:	mul	%r9

	add	%rax, %r12

	mov	-8(ap), %rax

	adc	%rdx, %r10

	mov	%r12, -16(rp)

	mul	%r8

	add	%rax, %r10

	mov	-8(bp), %rax

	mov	$0, R32(%r11)

	adc	%rdx, %r11

	mul	%r9

	add	%rax, %r10

	adc	%rdx, %r11

	mov	%r10, -8(rp)

	mov	%r11, %rax

	pop	%rbp

	pop	%r12

	ret

2:	mul	%r9

	add	%rax, %r12

	mov	%r12, -8(rp)

	adc	%rdx, %r10

	mov	%r10, %rax

	pop	%rbp

	pop	%r12

	ret

EPILOGUE()

CF_PROT