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// Copyright 2016 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.
#include "textflag.h"
// func block(dig *digest, p []byte)
TEXT ·block(SB), NOSPLIT|NOFRAME, $0-32
MOVBZ ·useAsm(SB), R4
LMG dig+0(FP), R1, R3 // R2 = &p[0], R3 = len(p)
MOVBZ $2, R0 // SHA-256 function code
CMPBEQ R4, $0, generic
loop:
WORD $0xB93E0002 // KIMD R2
BVS loop // continue if interrupted
RET
generic:
BR ·blockGeneric(SB)
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