VTRUNCL

Operation

Copies the low L field from each Q source container.

Assembler Syntax

VTRUNCL.{Q}(z) Pn(p), Vn(v), Vn(w)

Privilege

Unprivileged

Required CPUID flags

VECTOR

VTRUNCL copies the low L field of each Q source container into the low L field of the corresponding destination container. For an active container, the high L field of the destination retains its previous value. An inactive container retains its complete previous destination value. The operation leaves FLAGS unchanged.

An illustrative Q-container VTRUNCL view: each active container copies the low source longword into the low destination longword and preserves the old destination high longword; inactive containers preserve the complete old destination value.

VTRUNCL.Q low-longword truncation

2.75in

Encodings

VTRUNCL.{Q}(z) Pn(p), Vn(v), Vn(w)

Format: Instruction format for VTRUNCL.{Q}(z) Pn(p), Vn(v), Vn(w)

Format: Instruction format for VTRUNCL.{Q}(z) Pn(p), Vn(v), Vn(w)

size — allowed: 3 [reserved_vector_element_type]