AMD x86-64 Architecture Programmer's Manual, Volume 4, 128-Bit ...

26568—Rev. 3.05—September 2003 AMD64 Technology
set
To write a bit value of 1. Compare clear.
SIB
A byte following an instruction opcode that specifies
address calculation based on scale (S), index (I), and base
(B).
SIMD
Single instruction, multiple data. See vector.
SSE
Streaming SIMD extensions instruction set. See 128-bit
media instructions and 64-bit media instructions.
SSE2
Extensions to the SSE instruction set. See 128-bit media
instructions and 64-bit media instructions.
sticky bit
A bit that is set or cleared by hardware and that remains in
that state until explicitly changed by software.
TOP
The x87 top-of-stack pointer.
TPR
Task-priority register (CR8).
TSS
Task-state segment.
underflow
The condition in which a floating-point number is smaller in
magnitude than the smallest nonzero, positive or negative
number that can be represented in the data-type format
being used.
vector
(1) A set of integer or floating-point values, called elements,
that are packed into a single operand. Most of the 128-bit
and 64-bit media instructions use vectors as operands.
Vectors are also called packed or SIMD (single-instruction
multiple-data) operands.
Preface xxi