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The TRCIDR8 returns the maximum speculation depth of the instruction trace stream.
The TRCIDR8 is a 32-bit register.
The maximum number of P0 elements in the trace stream that can be speculative at any time.
|Maximum speculation depth of the instruction trace stream.|
Bit fields and details not provided in this description are architecturally defined. See the Arm® Embedded Trace Macrocell Architecture Specification ETMv4.
The TRCIDR8 can be accessed through the external debug interface, offset