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9–4 Alpha Architecture Handbook
INSQTILR Insert into longword queue at tail, interlocked resident
The entry specified in R17 is inserted into the self-relative queue preceding
the header specified in R16. The insertion is a noninterruptible operation.
The insertion is interlocked to prevent concurrent interlocked insertions or
removals at the head or tail of the same queue by another process, in a multi-
processor environment. This instruction requires that the queue be memory-
resident and that the queue header and elements are quadword-aligned.
INSQTIQ Insert into quadword queue at tail, interlocked
The entry specified in R17 is inserted into the self-relative queue preceding
the header specified in R16. The insertion is a noninterruptible operation.
The insertion is interlocked to prevent concurrent interlocked insertions or
removals at the head or tail of the same queue by another process, in a multi-
processor environment.
INSQTIQR Insert into quadword queue at tail, interlocked resident
The entry specified in R17 is inserted into the self-relative queue preceding
the header specified in R16. The insertion is a noninterruptible operation.
The insertion is interlocked to prevent concurrent interlocked insertions or
removals at the head or tail of the same queue by another process, in a multi-
processor environment. This instruction requires that the queue be memory-
resident and that the queue header and elements are octaword-aligned.
INSQUEL Insert into longword queue
The entry specified in R17 is inserted into the absolute queue following the
entry specified by the predecessor addressed by R16 for INSQUEL, or fol-
lowing the entry specified by the contents of the longword addressed by R16
for INSQUEL/D. The insertion is a noninterruptible operation.
INSQUEQ Insert into quadword queue
The entry specified in R17 is inserted into the absolute queue following the
entry specified by the predecessor addressed by R16 for INSQUEQ, or fol-
lowing the entry specified by the contents of the quadword addressed by R16
for INSQUEQ/D. The insertion is a noninterruptible operation.
PROBE Probe read/write access
PROBE checks the read (PROBER) or write (PROBEW) accessibility of the
first and last byte specified by the base address and the signed offset; the bytes
in between are not checked. System software must check all pages between
the two bytes if they are to be accessed. <p> PROBE is only intended to check
a single datum for accessibility.
Table 9–1 : Unprivileged OpenVMS Alpha PALcode Instruction Summary (Continued)
Mnemonic Operation and Description