1// Copyright 2009 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build !purego
6
7#include "textflag.h"
8
9// func addMulVVW1024(z, x *uint, y uint) (c uint)
10TEXT ·addMulVVW1024(SB), $0-16
11	MOVL	$32, BX
12	JMP		addMulVVWx(SB)
13
14// func addMulVVW1536(z, x *uint, y uint) (c uint)
15TEXT ·addMulVVW1536(SB), $0-16
16	MOVL	$48, BX
17	JMP		addMulVVWx(SB)
18
19// func addMulVVW2048(z, x *uint, y uint) (c uint)
20TEXT ·addMulVVW2048(SB), $0-16
21	MOVL	$64, BX
22	JMP		addMulVVWx(SB)
23
24TEXT addMulVVWx(SB), NOFRAME|NOSPLIT, $0
25	MOVL z+0(FP), DI
26	MOVL x+4(FP), SI
27	MOVL y+8(FP), BP
28	LEAL (DI)(BX*4), DI
29	LEAL (SI)(BX*4), SI
30	NEGL BX			// i = -n
31	MOVL $0, CX		// c = 0
32	JMP E6
33
34L6:	MOVL (SI)(BX*4), AX
35	MULL BP
36	ADDL CX, AX
37	ADCL $0, DX
38	ADDL AX, (DI)(BX*4)
39	ADCL $0, DX
40	MOVL DX, CX
41	ADDL $1, BX		// i++
42
43E6:	CMPL BX, $0		// i < 0
44	JL L6
45
46	MOVL CX, c+12(FP)
47	RET
48