| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build !purego |
| |
| #include "textflag.h" |
| |
| // func addMulVVW1024(z, x *uint, y uint) (c uint) |
| TEXT ·addMulVVW1024(SB), $0-16 |
| MOVW $32, R5 |
| JMP addMulVVWx(SB) |
| |
| // func addMulVVW1536(z, x *uint, y uint) (c uint) |
| TEXT ·addMulVVW1536(SB), $0-16 |
| MOVW $48, R5 |
| JMP addMulVVWx(SB) |
| |
| // func addMulVVW2048(z, x *uint, y uint) (c uint) |
| TEXT ·addMulVVW2048(SB), $0-16 |
| MOVW $64, R5 |
| JMP addMulVVWx(SB) |
| |
| TEXT addMulVVWx(SB), NOFRAME|NOSPLIT, $0 |
| MOVW $0, R0 |
| MOVW z+0(FP), R1 |
| MOVW x+4(FP), R2 |
| MOVW y+8(FP), R3 |
| ADD R5<<2, R1, R5 |
| MOVW $0, R4 |
| B E9 |
| |
| L9: MOVW.P 4(R2), R6 |
| MULLU R6, R3, (R7, R6) |
| ADD.S R4, R6 |
| ADC R0, R7 |
| MOVW 0(R1), R4 |
| ADD.S R4, R6 |
| ADC R0, R7 |
| MOVW.P R6, 4(R1) |
| MOVW R7, R4 |
| |
| E9: TEQ R1, R5 |
| BNE L9 |
| |
| MOVW R4, c+12(FP) |
| RET |
