vendor/golang.org/x/crypto/curve25519/square_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 square(out, in *[5]uint64)
  13 TEXT ·square(SB),7,$0-16
  14         MOVQ out+0(FP), DI
  15         MOVQ in+8(FP), SI
  16
  17         MOVQ 0(SI),AX
  18         MULQ 0(SI)
  19         MOVQ AX,CX
  20         MOVQ DX,R8
  21         MOVQ 0(SI),AX
  22         SHLQ $1,AX
  23         MULQ 8(SI)
  24         MOVQ AX,R9
  25         MOVQ DX,R10
  26         MOVQ 0(SI),AX
  27         SHLQ $1,AX
  28         MULQ 16(SI)
  29         MOVQ AX,R11
  30         MOVQ DX,R12
  31         MOVQ 0(SI),AX
  32         SHLQ $1,AX
  33         MULQ 24(SI)
  34         MOVQ AX,R13
  35         MOVQ DX,R14
  36         MOVQ 0(SI),AX
  37         SHLQ $1,AX
  38         MULQ 32(SI)
  39         MOVQ AX,R15
  40         MOVQ DX,BX
  41         MOVQ 8(SI),AX
  42         MULQ 8(SI)
  43         ADDQ AX,R11
  44         ADCQ DX,R12
  45         MOVQ 8(SI),AX
  46         SHLQ $1,AX
  47         MULQ 16(SI)
  48         ADDQ AX,R13
  49         ADCQ DX,R14
  50         MOVQ 8(SI),AX
  51         SHLQ $1,AX
  52         MULQ 24(SI)
  53         ADDQ AX,R15
  54         ADCQ DX,BX
  55         MOVQ 8(SI),DX
  56         IMUL3Q $38,DX,AX
  57         MULQ 32(SI)
  58         ADDQ AX,CX
  59         ADCQ DX,R8
  60         MOVQ 16(SI),AX
  61         MULQ 16(SI)
  62         ADDQ AX,R15
  63         ADCQ DX,BX
  64         MOVQ 16(SI),DX
  65         IMUL3Q $38,DX,AX
  66         MULQ 24(SI)
  67         ADDQ AX,CX
  68         ADCQ DX,R8
  69         MOVQ 16(SI),DX
  70         IMUL3Q $38,DX,AX
  71         MULQ 32(SI)
  72         ADDQ AX,R9
  73         ADCQ DX,R10
  74         MOVQ 24(SI),DX
  75         IMUL3Q $19,DX,AX
  76         MULQ 24(SI)
  77         ADDQ AX,R9
  78         ADCQ DX,R10
  79         MOVQ 24(SI),DX
  80         IMUL3Q $38,DX,AX
  81         MULQ 32(SI)
  82         ADDQ AX,R11
  83         ADCQ DX,R12
  84         MOVQ 32(SI),DX
  85         IMUL3Q $19,DX,AX
  86         MULQ 32(SI)
  87         ADDQ AX,R13
  88         ADCQ DX,R14
  89         MOVQ $REDMASK51,SI
  90         SHLQ $13,R8:CX
  91         ANDQ SI,CX
  92         SHLQ $13,R10:R9
  93         ANDQ SI,R9
  94         ADDQ R8,R9
  95         SHLQ $13,R12:R11
  96         ANDQ SI,R11
  97         ADDQ R10,R11
  98         SHLQ $13,R14:R13
  99         ANDQ SI,R13
 100         ADDQ R12,R13
 101         SHLQ $13,BX:R15
 102         ANDQ SI,R15
 103         ADDQ R14,R15
 104         IMUL3Q $19,BX,DX
 105         ADDQ DX,CX
 106         MOVQ CX,DX
 107         SHRQ $51,DX
 108         ADDQ R9,DX
 109         ANDQ SI,CX
 110         MOVQ DX,R8
 111         SHRQ $51,DX
 112         ADDQ R11,DX
 113         ANDQ SI,R8
 114         MOVQ DX,R9
 115         SHRQ $51,DX
 116         ADDQ R13,DX
 117         ANDQ SI,R9
 118         MOVQ DX,AX
 119         SHRQ $51,DX
 120         ADDQ R15,DX
 121         ANDQ SI,AX
 122         MOVQ DX,R10
 123         SHRQ $51,DX
 124         IMUL3Q $19,DX,DX
 125         ADDQ DX,CX
 126         ANDQ SI,R10
 127         MOVQ CX,0(DI)
 128         MOVQ R8,8(DI)
 129         MOVQ R9,16(DI)
 130         MOVQ AX,24(DI)
 131         MOVQ R10,32(DI)
 132         RET