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Results 1 - 1 of 1 for armXchg64 (0.09 sec)

  2. github.com/golang/go

    src/internal/runtime/atomic/atomic_arm.s 

    	ADC	R3, R5

	DMB	MB_ISHST

	STREXD	R4, (R1), R0	// stores R4 and R5
	CMP	$0, R0
	BNE	add64loop

	DMB	MB_ISH

	MOVW	R4, new_lo+12(FP)
	MOVW	R5, new_hi+16(FP)
	RET

TEXT armXchg64<>(SB),NOSPLIT,$0-20
	// addr is already in R1
	MOVW	new_lo+4(FP), R2
	MOVW	new_hi+8(FP), R3

swap64loop:
	LDREXD	(R1), R4	// loads R4 and R5

	DMB	MB_ISHST
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Mon Mar 25 19:53:03 UTC 2024
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