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nobs/hash/sha3/sha3_s390x.s
2018-06-23 16:34:45 +01:00

50 lines
1.3 KiB
ArmAsm

// Copyright 2017 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.
//+build !gccgo,!appengine
#include "textflag.h"
TEXT ·hasMSA6(SB), NOSPLIT, $16-1
MOVD $0, R0 // KIMD-Query function code
MOVD $tmp-16(SP), R1 // parameter block
XC $16, (R1), (R1) // clear the parameter block
WORD $0xB93E0002 // KIMD --, --
WORD $0x91FC1004 // TM 4(R1), 0xFC (test bits [32-37])
BVS yes
no:
MOVB $0, ret+0(FP)
RET
yes:
MOVB $1, ret+0(FP)
RET
// func kimd(function code, params *[200]byte, src []byte)
TEXT ·kimd(SB), NOFRAME|NOSPLIT, $0-40
MOVD function+0(FP), R0
MOVD params+8(FP), R1
LMG src+16(FP), R2, R3 // R2=base, R3=len
continue:
WORD $0xB93E0002 // KIMD --, R2
BVS continue // continue if interrupted
MOVD $0, R0 // reset R0 for pre-go1.8 compilers
RET
// func klmd(function code, params *[200]byte, dst, src []byte)
TEXT ·klmd(SB), NOFRAME|NOSPLIT, $0-64
// TODO: SHAKE support
MOVD function+0(FP), R0
MOVD params+8(FP), R1
LMG dst+16(FP), R2, R3 // R2=base, R3=len
LMG src+40(FP), R4, R5 // R4=base, R5=len
continue:
WORD $0xB93F0024 // KLMD R2, R4
BVS continue // continue if interrupted
MOVD $0, R0 // reset R0 for pre-go1.8 compilers
RET