vendor/golang.org/x/crypto/curve25519/mul_amd64.s

   1 // Copyright 2012 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 // This code was translated into a form compatible with 6a from the public
   6 // domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
   7
   8 // +build amd64,!gccgo,!appengine
   9
  10 #include "const_amd64.h"
  11
  12 // func mul(dest, a, b *[5]uint64)
  13 TEXT ·mul(SB),0,$16-24
  14         MOVQ dest+0(FP), DI
  15         MOVQ a+8(FP), SI
  16         MOVQ b+16(FP), DX
  17
  18         MOVQ DX,CX
  19         MOVQ 24(SI),DX
  20         IMUL3Q $19,DX,AX
  21         MOVQ AX,0(SP)
  22         MULQ 16(CX)
  23         MOVQ AX,R8
  24         MOVQ DX,R9
  25         MOVQ 32(SI),DX
  26         IMUL3Q $19,DX,AX
  27         MOVQ AX,8(SP)
  28         MULQ 8(CX)
  29         ADDQ AX,R8
  30         ADCQ DX,R9
  31         MOVQ 0(SI),AX
  32         MULQ 0(CX)
  33         ADDQ AX,R8
  34         ADCQ DX,R9
  35         MOVQ 0(SI),AX
  36         MULQ 8(CX)
  37         MOVQ AX,R10
  38         MOVQ DX,R11
  39         MOVQ 0(SI),AX
  40         MULQ 16(CX)
  41         MOVQ AX,R12
  42         MOVQ DX,R13
  43         MOVQ 0(SI),AX
  44         MULQ 24(CX)
  45         MOVQ AX,R14
  46         MOVQ DX,R15
  47         MOVQ 0(SI),AX
  48         MULQ 32(CX)
  49         MOVQ AX,BX
  50         MOVQ DX,BP
  51         MOVQ 8(SI),AX
  52         MULQ 0(CX)
  53         ADDQ AX,R10
  54         ADCQ DX,R11
  55         MOVQ 8(SI),AX
  56         MULQ 8(CX)
  57         ADDQ AX,R12
  58         ADCQ DX,R13
  59         MOVQ 8(SI),AX
  60         MULQ 16(CX)
  61         ADDQ AX,R14
  62         ADCQ DX,R15
  63         MOVQ 8(SI),AX
  64         MULQ 24(CX)
  65         ADDQ AX,BX
  66         ADCQ DX,BP
  67         MOVQ 8(SI),DX
  68         IMUL3Q $19,DX,AX
  69         MULQ 32(CX)
  70         ADDQ AX,R8
  71         ADCQ DX,R9
  72         MOVQ 16(SI),AX
  73         MULQ 0(CX)
  74         ADDQ AX,R12
  75         ADCQ DX,R13
  76         MOVQ 16(SI),AX
  77         MULQ 8(CX)
  78         ADDQ AX,R14
  79         ADCQ DX,R15
  80         MOVQ 16(SI),AX
  81         MULQ 16(CX)
  82         ADDQ AX,BX
  83         ADCQ DX,BP
  84         MOVQ 16(SI),DX
  85         IMUL3Q $19,DX,AX
  86         MULQ 24(CX)
  87         ADDQ AX,R8
  88         ADCQ DX,R9
  89         MOVQ 16(SI),DX
  90         IMUL3Q $19,DX,AX
  91         MULQ 32(CX)
  92         ADDQ AX,R10
  93         ADCQ DX,R11
  94         MOVQ 24(SI),AX
  95         MULQ 0(CX)
  96         ADDQ AX,R14
  97         ADCQ DX,R15
  98         MOVQ 24(SI),AX
  99         MULQ 8(CX)
 100         ADDQ AX,BX
 101         ADCQ DX,BP
 102         MOVQ 0(SP),AX
 103         MULQ 24(CX)
 104         ADDQ AX,R10
 105         ADCQ DX,R11
 106         MOVQ 0(SP),AX
 107         MULQ 32(CX)
 108         ADDQ AX,R12
 109         ADCQ DX,R13
 110         MOVQ 32(SI),AX
 111         MULQ 0(CX)
 112         ADDQ AX,BX
 113         ADCQ DX,BP
 114         MOVQ 8(SP),AX
 115         MULQ 16(CX)
 116         ADDQ AX,R10
 117         ADCQ DX,R11
 118         MOVQ 8(SP),AX
 119         MULQ 24(CX)
 120         ADDQ AX,R12
 121         ADCQ DX,R13
 122         MOVQ 8(SP),AX
 123         MULQ 32(CX)
 124         ADDQ AX,R14
 125         ADCQ DX,R15
 126         MOVQ $REDMASK51,SI
 127         SHLQ $13,R9:R8
 128         ANDQ SI,R8
 129         SHLQ $13,R11:R10
 130         ANDQ SI,R10
 131         ADDQ R9,R10
 132         SHLQ $13,R13:R12
 133         ANDQ SI,R12
 134         ADDQ R11,R12
 135         SHLQ $13,R15:R14
 136         ANDQ SI,R14
 137         ADDQ R13,R14
 138         SHLQ $13,BP:BX
 139         ANDQ SI,BX
 140         ADDQ R15,BX
 141         IMUL3Q $19,BP,DX
 142         ADDQ DX,R8
 143         MOVQ R8,DX
 144         SHRQ $51,DX
 145         ADDQ R10,DX
 146         MOVQ DX,CX
 147         SHRQ $51,DX
 148         ANDQ SI,R8
 149         ADDQ R12,DX
 150         MOVQ DX,R9
 151         SHRQ $51,DX
 152         ANDQ SI,CX
 153         ADDQ R14,DX
 154         MOVQ DX,AX
 155         SHRQ $51,DX
 156         ANDQ SI,R9
 157         ADDQ BX,DX
 158         MOVQ DX,R10
 159         SHRQ $51,DX
 160         ANDQ SI,AX
 161         IMUL3Q $19,DX,DX
 162         ADDQ DX,R8
 163         ANDQ SI,R10
 164         MOVQ R8,0(DI)
 165         MOVQ CX,8(DI)
 166         MOVQ R9,16(DI)
 167         MOVQ AX,24(DI)
 168         MOVQ R10,32(DI)
 169         RET