User Guide
Index 295
24592—Rev. 3.15—November 2009 AMD64 Technology
64-bit media....................................................... 201
general-purpose
.................................................... 36
mismatched
........................................................ 188
x87............................................................. 250, 256
DAZ bit ................................................................ 119
DE bit ..................................... 118, 119, 181, 242, 281
DEC instruction................................................. 51, 70
decimal adjust instructions........................................ 48
decrement ............................................................... 51
default address size .................................................. 17
default operand size ................................................. 29
denormalized numbers .................................... 128, 254
denormalized-operand exception (DE).............. 181, 281
dependencies ......................................................... 102
DF bit ..................................................................... 35
DH register........................................................ 25, 26
DI register ......................................................... 25, 26
DIL register............................................................. 26
direct far jump ................................................... 58, 61
direct referencing..................................................... xx
direction flag ........................................................... 35
displacements ............................................... xx, 17, 68
DIV instruction........................................................ 50
division................................................................... 50
DIVPD instruction ................................................. 170
DIVPS instruction.................................................. 170
DIVSD instruction ................................................. 170
DIVSS instruction.................................................. 170
DL register ........................................................ 25, 26
DM bit ........................................................... 119, 244
dot product ..................................................... 112, 197
double quadword ..................................................... xx
double-extended-precision format ........................... 252
double-precision format................................... 127, 252
doubleword ............................................................. xx
DX register........................................................ 25, 26
E
EAX register ..................................................... 25, 26
eAX–eSP register ................................................. xxvi
EBP register ...................................................... 25, 26
EBX register...................................................... 25, 26
ECX register...................................................... 25, 26
EDI register....................................................... 25, 26
EDX register ..................................................... 25, 26
effective address ................................................ 15, 49
effective address size ............................................... xx
effective operand size......................................... xx, 39
EFLAGS register ............................................... 25, 33
eFLAGS register................................................... xxvi
EIP register ............................................................. 20
eIP register ........................................................... xxvi
element ................................................................... xx
EM bit................................................................... 249
EMMS instruction.......................................... 209, 233
empty............................................................ 232, 246
emulation (EM) bit................................................. 249
endian byte-ordering................................ xxviii, 14, 48
ENTER instruction................................................... 44
environment
x87 ............................................................ 248, 275
ES bit .................................................................... 243
ESI register........................................................ 25, 26
ESP register....................................................... 25, 26
exception status (ES) bit ......................................... 243
exceptions ......................................................... xx, 86
#MF causes ................................................ 231, 279
#XF causes......................................................... 178
128-bit media ..................................................... 177
64-bit media ....................................................... 230
denormalized-operand (DE)......................... 181, 281
general-purpose .................................................... 86
inexact-result.............................................. 181, 282
invalid-operation (IE).................................. 180, 280
masked responses........................................ 184, 284
masking ..................................................... 184, 283
overflow (OE) ............................................ 181, 282
post-computation ........................................ 182, 282
precision (PE)............................................. 181, 282
pre-computation.......................................... 182, 282
priority....................................................... 182, 282
SIMD floating-point causes ................................. 178
stack fault (SF) ................................................... 282
underflow (UE)........................................... 181, 282
unmasked responses............................................ 288
x87 .................................................................... 278
zero-divide (ZE) ......................................... 181, 281
exit media state ...................................................... 209
explicit integer bit .................................................. 251
exponent................................... xix, 126, 131, 251, 257
extended functions ................................................... 75
external interrupts .................................................... 86
extract instructions .................................. 143, 214, 265
EXTRQ................................................................. 143
F
F2XM1 instruction ................................................. 270
FABS instruction ................................................... 268
FADD instruction................................................... 266
FADDP instruction................................................. 266
far calls ................................................................... 80
far jumps ................................................................. 78
far returns................................................................ 82
fault ........................................................................ 87
FBLD instruction ................................................... 264