| // 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 路addMulVVW1024(SB), $0-16 | |
| MOVL $32, BX | |
| JMP addMulVVWx(SB) | |
| // func addMulVVW1536(z, x *uint, y uint) (c uint) | |
| TEXT 路addMulVVW1536(SB), $0-16 | |
| MOVL $48, BX | |
| JMP addMulVVWx(SB) | |
| // func addMulVVW2048(z, x *uint, y uint) (c uint) | |
| TEXT 路addMulVVW2048(SB), $0-16 | |
| MOVL $64, BX | |
| JMP addMulVVWx(SB) | |
| TEXT addMulVVWx(SB), NOFRAME|NOSPLIT, $0 | |
| MOVL z+0(FP), DI | |
| MOVL x+4(FP), SI | |
| MOVL y+8(FP), BP | |
| LEAL (DI)(BX*4), DI | |
| LEAL (SI)(BX*4), SI | |
| NEGL BX // i = -n | |
| MOVL $0, CX // c = 0 | |
| JMP E6 | |
| L6: MOVL (SI)(BX*4), AX | |
| MULL BP | |
| ADDL CX, AX | |
| ADCL $0, DX | |
| ADDL AX, (DI)(BX*4) | |
| ADCL $0, DX | |
| MOVL DX, CX | |
| ADDL $1, BX // i++ | |
| E6: CMPL BX, $0 // i < 0 | |
| JL L6 | |
| MOVL CX, c+12(FP) | |
| RET | |