diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/curve25519/freeze_amd64.s')
| -rw-r--r-- | vendor/golang.org/x/crypto/curve25519/freeze_amd64.s | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/curve25519/freeze_amd64.s b/vendor/golang.org/x/crypto/curve25519/freeze_amd64.s new file mode 100644 index 0000000..3908161 --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/freeze_amd64.s @@ -0,0 +1,73 @@ +// Copyright 2012 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. + +// This code was translated into a form compatible with 6a from the public +// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html + +// +build amd64,!gccgo,!appengine + +#include "const_amd64.h" + +// func freeze(inout *[5]uint64) +TEXT ·freeze(SB),7,$0-8 + MOVQ inout+0(FP), DI + + MOVQ 0(DI),SI + MOVQ 8(DI),DX + MOVQ 16(DI),CX + MOVQ 24(DI),R8 + MOVQ 32(DI),R9 + MOVQ $REDMASK51,AX + MOVQ AX,R10 + SUBQ $18,R10 + MOVQ $3,R11 +REDUCELOOP: + MOVQ SI,R12 + SHRQ $51,R12 + ANDQ AX,SI + ADDQ R12,DX + MOVQ DX,R12 + SHRQ $51,R12 + ANDQ AX,DX + ADDQ R12,CX + MOVQ CX,R12 + SHRQ $51,R12 + ANDQ AX,CX + ADDQ R12,R8 + MOVQ R8,R12 + SHRQ $51,R12 + ANDQ AX,R8 + ADDQ R12,R9 + MOVQ R9,R12 + SHRQ $51,R12 + ANDQ AX,R9 + IMUL3Q $19,R12,R12 + ADDQ R12,SI + SUBQ $1,R11 + JA REDUCELOOP + MOVQ $1,R12 + CMPQ R10,SI + CMOVQLT R11,R12 + CMPQ AX,DX + CMOVQNE R11,R12 + CMPQ AX,CX + CMOVQNE R11,R12 + CMPQ AX,R8 + CMOVQNE R11,R12 + CMPQ AX,R9 + CMOVQNE R11,R12 + NEGQ R12 + ANDQ R12,AX + ANDQ R12,R10 + SUBQ R10,SI + SUBQ AX,DX + SUBQ AX,CX + SUBQ AX,R8 + SUBQ AX,R9 + MOVQ SI,0(DI) + MOVQ DX,8(DI) + MOVQ CX,16(DI) + MOVQ R8,24(DI) + MOVQ R9,32(DI) + RET |