diff options
Diffstat (limited to 'src/crypto/sha1/sha1block_s390x.s')
| -rw-r--r-- | src/crypto/sha1/sha1block_s390x.s | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/crypto/sha1/sha1block_s390x.s b/src/crypto/sha1/sha1block_s390x.s new file mode 100644 index 0000000..6ba6883 --- /dev/null +++ b/src/crypto/sha1/sha1block_s390x.s @@ -0,0 +1,20 @@ +// 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 $1, R0 // SHA-1 function code + CMPBEQ R4, $0, generic + +loop: + WORD $0xB93E0002 // KIMD R2 + BVS loop // continue if interrupted + RET + +generic: + BR ·blockGeneric(SB) |