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 MOVW $32, R5
12 JMP addMulVVWx(SB)
13
14// func addMulVVW1536(z, x *uint, y uint) (c uint)
15TEXT ·addMulVVW1536(SB), $0-16
16 MOVW $48, R5
17 JMP addMulVVWx(SB)
18
19// func addMulVVW2048(z, x *uint, y uint) (c uint)
20TEXT ·addMulVVW2048(SB), $0-16
21 MOVW $64, R5
22 JMP addMulVVWx(SB)
23
24TEXT addMulVVWx(SB), NOFRAME|NOSPLIT, $0
25 MOVW $0, R0
26 MOVW z+0(FP), R1
27 MOVW x+4(FP), R2
28 MOVW y+8(FP), R3
29 ADD R5<<2, R1, R5
30 MOVW $0, R4
31 B E9
32
33L9: MOVW.P 4(R2), R6
34 MULLU R6, R3, (R7, R6)
35 ADD.S R4, R6
36 ADC R0, R7
37 MOVW 0(R1), R4
38 ADD.S R4, R6
39 ADC R0, R7
40 MOVW.P R6, 4(R1)
41 MOVW R7, R4
42
43E9: TEQ R1, R5
44 BNE L9
45
46 MOVW R4, c+12(FP)
47 RET
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