CLREX

Clear exclusive

This instruction clears the local monitor of the executing PE.

Encoding: System

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
1	1	0	1	0	1	0	1	0	0	0	0	0	0	1	1	0	0	1	1					0	1	0	1	1	1	1	1
																				CRm				op2			Rt

CLREX {#<imm>}

Decoding algorithm

// CRm field is ignored

Operation

ClearExclusiveLocal(ProcessorID());

Explanations

<imm>: Is an optional 4-bit unsigned immediate, in the range 0 to 15, defaulting to 15 and encoded in the "CRm" field.