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4.11 Miscellaneous Instructions
Alpha provides the miscellaneous instructions shown in Table 4–17.
Table 4–17: Miscellaneous Instructions Summary
Mnemonic Operation
AMASK Architecture Mask
CALL_PAL Call Privileged Architecture Library Routine
ECB Evict Cache Block
EXCB Exception Barrier
FETCH Prefetch Data
FETCH_M Prefetch Data, Modify Intent
IMPLVER Implementation Version
MB Memory Barrier
RPCC Read Processor Cycle Counter
TRAPB Trap Barrier
WH64 Write Hint — 64 Bytes
WMB Write Memory Barrier