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(root)/os/branches/feature_unix/sys/src/libc/386/cycles.s – Rev 2

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Rev	Author	Line No.	Line
2	-	1	`#define RDTSC BYTE $0x0F; BYTE $0x31`
		2
		3	`TEXT cycles(SB),1,$0 /* time stamp counter; cycles since power up */`
		4	`RDTSC`
		5	`MOVL vlong+0(FP), CX /* &vlong */`
		6	`MOVL AX, 0(CX) /* lo */`
		7	`MOVL DX, 4(CX) /* hi */`
		8	`RET`