User Guide

Index 297
24592—Rev. 3.15—November 2009 AMD64 Technology
memory-mapped .................................................. 91
ports
............................................... 64, 90, 123, 203
privilege level
...................................................... 92
IDIV instruction ...................................................... 50
IE bit .............................................. 118, 180, 242, 280
IEEE 754 Standard........................... 119, 127, 238, 251
IEEE-754 standard..................................................... 5
IGN ....................................................................... xxi
IGNNE# input signal ............................................. 290
IM bit ............................................................ 119, 244
immediate operands ...................................... 17, 40, 68
implied integer bit........................................... 126, 251
IMUL instruction..................................................... 50
IN instruction .......................................................... 64
INC instruction.................................................. 51, 70
increment ................................................................ 51
indefinite value
floating-point .............................................. 131, 258
integer ........................................................ 131, 258
packed-decimal .................................................. 258
indirect .................................................................. xxi
inexact-result exception.................... 119, 181, 243, 282
infinity........................................................... 129, 255
infinity bit (Y) ....................................................... 246
initialization
MSCSR register ................................................. 118
x87 control word ................................................ 244
XMM registers ................................................... 117
inner product .................................................. 112, 197
input/output (I/O)..................................................... 90
INS instruction ........................................................ 64
INSB instruction...................................................... 64
INSD instruction...................................................... 64
insert instructions............................................ 143, 214
INSERTQ ............................................................. 143
instruction pointer.................................................... 20
instruction prefixes
128-bit media ..................................................... 175
64-bit media....................................................... 228
general-purpose.................................................... 71
x87.................................................................... 277
instruction set ............................................................ 4
instruction-relative address ....................................... 16
instructions
128-bit media .............................................. 105, 156
64-bit media................................................ 207, 223
floating-point ....................... 107, 156, 199, 223, 238
general-purpose.................................................... 41
I/O ...................................................................... 95
invalid in 64-bit mode........................................... 69
locked.................................................................. 95
memory ordering .................................................. 94
prefixes.......................................... 71, 175, 228, 277
serializing............................................................. 95
x87
.................................................................... 261
INSW instruction ..................................................... 64
INT instruction
........................................................ 61
integer bit ....................................... 126, 128, 251, 254
integer data types
128-bit media ..................................................... 124
64-bit media ....................................................... 204
general-purpose .................................................... 36
x87 .................................................................... 252
interleave instructions..................................... 165, 213
interrupt vector ........................................................ 86
interrupts and exceptions .................................... 62, 86
INTO instruction................................................ 61, 69
invalid-operation exception (IE) ...................... 180, 280
IOPL....................................................................... 92
IP register................................................................ 20
IP-relative addressing ..................................... 7, 16, 18
IRET instruction ...................................................... 61
IRETD instruction.................................................... 62
IRETQ instruction.................................................... 62
J
J bit............................................................... 126, 251
Jcc instructions .................................................. 59, 78
JMP instruction.................................................. 58, 69
L
LAHF instruction ..................................................... 63
last data pointer...................................................... 248
last instruction pointer ............................................ 247
last opcode ............................................................ 247
LDDQU instruction................................................ 135
LDMXCSR instruction........................................... 156
LDS instruction.................................................. 49, 69
LEA instruction ....................................................... 49
LEAVE instruction................................................... 44
legacy mode ....................................................... xxi, 7
legacy x86 ............................................................. xxi
LES instruction .................................................. 49, 69
LFENCE instruction................................................. 66
LFS instruction ........................................................ 49
LGS instruction........................................................ 49
limiting ................................................................. 125
linear address..................................................... 11, 12
LOCK prefix ........................................................... 73
LODS instruction ..................................................... 57
LODSB instruction................................................... 57
LODSD instruction .................................................. 57
LODSQ instruction .................................................. 57
LODSW instruction.................................................. 57
logarithmic functions.............................................. 270