RDCYCLE
Read Cycle Counter
RDCYCLE rd
Reads the lower 32/64 bits of the cycle counter.
Details
RDCYCLE reads the cycle CSR, which counts the number of clock cycles executed by the processor. It is an assembler pseudoinstruction for CSRRS rd, cycle, x0.
Pseudocode Operation
R[rd] = CSR[cycle];Example
RDCYCLE x10
Encoding
Binary Layout
110000000000
31:20
00000
19:15
010
14:12
rd
11:7
1110011
6:0
Operands
-
rd
Destination register (integer)