Intel ARCHITECTURE IA-32 User Manual

Index-1
Index
64-bit mode
default operand size, 8-1
introduction, 8-1
legacy instructions, 8-1
multiplication notes, 8-2
register usage, 8-2, 8-4
sign-extension, 8-3
software prefetch, 8-6
using CVTSI2SS & CVTSI2SD, 8-6
A
absolute difference of signed numbers, 4-24
absolute difference of unsigned numbers, 4-23
absolute value, 4-25
accesses per iteration, E-12, E-13
active power, 9-1
algorithm to avoid changing the rounding mode,
2-66
aligned ebp-based frame, D-4, D-6
aligned esp-based stack frames, D-4
Alignment
stack, 2-42
alignment, 2-29
code, 2-57
AoS format, 3-29
application performance tools, A-1
Arrays
Aligning, 2-39
automatic processor dispatch support, A-4
automatic vectorization, 3-18, 3-19
B
battery life, 9-1, 9-7
OS APIs, 9-8
performance options, 9-8
Branch Prediction, 2-15
branch prediction, 2-5
C
C4-state, 9-6
cache blocking techniques, 6-34
cache level, 6-6
cache management
simple memory copy, 6-46
smart cache, 1-31
video decoder, 6-45
video encoder, 6-45
calculating insertion for scheduling distance,
E-3
call graph profiling, A-13
changing the rounding mode, 2-65
checking for MMX technology support, 3-2
checking for Streaming SIMD Extensions
support, 3-3
classes (C/C++), 3-17
clipping to an arbitrary signed range, 4-26
clipping to an arbitrary unsigned range, 4-28
code optimization options, A-3
Code segment
Data in, 2-47

Intel ARCHITECTURE IA-32 Specifications

General

Instruction Set	x86
Instruction Set Type	CISC
Memory Segmentation	Supported
Operating Modes	Real mode, Protected mode, Virtual 8086 mode
Max Physical Address Size	36 bits (with PAE)
Max Virtual Address Size	32 bits
Architecture	IA-32 (Intel Architecture 32-bit)
Addressable Memory	4 GB (with Physical Address Extension up to 64 GB)
Floating Point Registers	8 x 80-bit
MMX Registers	8 x 64-bit
SSE Registers	8 x 128-bit
Registers	General-purpose registers (EAX, EBX, ECX, EDX, ESI, EDI, ESP, EBP), Segment registers (CS, DS, SS, ES, FS, GS), Instruction pointer (EIP), Flags register (EFLAGS)
Floating Point Unit	Yes (x87)