Compaq ECQD2KCTE manual Remqhiqr, Remqtilr, Remqtiqr

Table 9–1 : Unprivileged OpenVMS Alpha PALcode Instruction Summary (Continued)

Mnemonic	Operation and Description
REMQHIQR	Remove from quadword queue at header, interlocked resident
	The queue entry following the header, pointed to by R16, is removed from the
	self-relative queue and the address of the removed entry is returned in R1. The
	removal is interlocked to prevent concurrent interlocked insertions or remov-
	als at the head or tail of the same queue by another process, in a multiproces-
	sor environment. The removal is a noninterruptible operation. This instruction
	requires that the queue be memory-resident and that the queue header and ele-
	ments are octaword-aligned.
REMQTIL	Remove from longword queue at tail, interlocked
	The queue entry preceding the header, pointed to by R16, is removed from the
	self-relative queue and the address of the removed entry is returned in R1. The
	removal is interlocked to prevent concurrent interlocked insertions or remov-
	als at the head or tail of the same queue by another process, in a multiproces-
	sor environment. The removal is a noninterruptible operation.
REMQTILR	Remove from longword queue at tail, interlocked resident
	The queue entry preceding the header, pointed to by R16, is removed from the
	self-relative queue and the address of the removed entry is returned in R1. The
	removal is interlocked to prevent concurrent interlocked insertions or remov-
	als at the head or tail of the same queue by another process, in a multiproces-
	sor environment. The removal is a noninterruptible operation. This instruction
	requires that the queue be memory-resident and that the queue header and ele-
	ments are quadword-aligned.
REMQTIQ	Remove from quadword queue at tail, interlocked
	The self-relative queue entry preceding the header, pointed to by R16, is
	removed from the queue and the address of the removed entry is returned in
	R1. The removal 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. The removal is a noninterruptible operation.
REMQTIQR	Remove from quadword queue at tail, interlocked resident
	The queue entry preceding the header, pointed to by R16, is removed from the
	self-relative queue and the address of the removed entry is returned in R1. The
	removal is interlocked to prevent concurrent interlocked insertions or remov-
	als at the head or tail of the same queue by another process, in a multiproces-
	sor environment. The removal is a noninterruptible operation. This instruction
	requires that the queue be memory-resident and that the queue header and ele-
	ments are octaword-aligned.

9–6Alpha Architecture Handbook