Text file src/pkg/crypto/sha1/sha1block_s390x.s

     1	// Copyright 2016 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	#include "textflag.h"
     6	
     7	// func block(dig *digest, p []byte)
     8	TEXT ·block(SB), NOSPLIT|NOFRAME, $0-32
     9		MOVBZ  ·useAsm(SB), R4
    10		LMG    dig+0(FP), R1, R3            // R2 = &p[0], R3 = len(p)
    11		MOVBZ  $1, R0                       // SHA-1 function code
    12		CMPBEQ R4, $0, generic
    13	
    14	loop:
    15		WORD $0xB93E0002 // KIMD R2
    16		BVS  loop        // continue if interrupted
    17		RET
    18	
    19	generic:
    20		BR ·blockGeneric(SB)

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