Text file src/runtime/internal/atomic/atomic_mipsx.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	// +build mips mipsle
     6	
     7	#include "textflag.h"
     8	
     9	TEXT ·spinLock(SB),NOSPLIT,$0-4
    10		MOVW	state+0(FP), R1
    11		MOVW	$1, R2
    12		SYNC
    13	try_lock:
    14		MOVW	R2, R3
    15	check_again:
    16		LL	(R1), R4
    17		BNE	R4, check_again
    18		SC	R3, (R1)
    19		BEQ	R3, try_lock
    20		SYNC
    21		RET
    22	
    23	TEXT ·spinUnlock(SB),NOSPLIT,$0-4
    24		MOVW	state+0(FP), R1
    25		SYNC
    26		MOVW	R0, (R1)
    27		SYNC
    28		RET

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