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Results 1 - 1 of 1 for armXadd64 (0.14 sec)

  2. github.com/golang/go

    src/internal/runtime/atomic/atomic_arm.s 

    	CMP	$0, R0
	BNE	cas64loop
	MOVW	$1, R0

	DMB	MB_ISH

	MOVBU	R0, swapped+20(FP)
	RET
cas64fail:
	MOVW	$0, R0
	MOVBU	R0, swapped+20(FP)
	RET

TEXT armXadd64<>(SB),NOSPLIT,$0-20
	// addr is already in R1
	MOVW	delta_lo+4(FP), R2
	MOVW	delta_hi+8(FP), R3

add64loop:
	LDREXD	(R1), R4	// loads R4 and R5
	ADD.S	R2, R4
	ADC	R3, R5

	DMB	MB_ISHST
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Mon Mar 25 19:53:03 UTC 2024
    - 5.7K bytes
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